{"id":165,"date":"2023-08-26T14:08:29","date_gmt":"2022-09-24T11:45:34","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/index.php\/2023\/11\/30\/%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8nestjs%e5%9c%a8nodejs%e4%b8%ad%e6%9e%84%e5%bb%ba%e4%b8%80%e4%b8%aa%e7%b1%bb%e5%9e%8b%e5%ae%89%e5%85%a8%e7%9a%84url%e7%bc%a9%e7%9f%ad%e5%99%a8%e3%80%82\/"},"modified":"2025-08-01T01:44:52","modified_gmt":"2025-07-31T17:44:52","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8nestjs%e5%9c%a8nodejs%e4%b8%ad%e6%9e%84%e5%bb%ba%e4%b8%80%e4%b8%aa%e7%b1%bb%e5%9e%8b%e5%ae%89%e5%85%a8%e7%9a%84url%e7%bc%a9%e7%9f%ad%e5%99%a8%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8nestjs%e5%9c%a8nodejs%e4%b8%ad%e6%9e%84%e5%bb%ba%e4%b8%80%e4%b8%aa%e7%b1%bb%e5%9e%8b%e5%ae%89%e5%85%a8%e7%9a%84url%e7%bc%a9%e7%9f%ad%e5%99%a8%e3%80%82\/","title":{"rendered":"NestJS\u5b9e\u6218\uff1a\u6784\u5efa\u9ad8\u6027\u80fd\u7c7b\u578b\u5b89\u5168\u7684Node.js\u77ed\u94fe\u63a5\u670d\u52a1"},"content":{"rendered":"<h3>\u5f15\u8a00<\/h3>\n<p>URL\u662fUniform Resource Locator\u7684\u7f29\u5199\uff0c\u5b83\u662f\u5206\u914d\u7ed9\u7f51\u7edc\u4e0a\u72ec\u7279\u8d44\u6e90\u7684\u5730\u5740\u3002\u7531\u4e8eURL\u7684\u552f\u4e00\u6027\uff0c\u6ca1\u6709\u4e24\u4e2a\u8d44\u6e90\u53ef\u4ee5\u5177\u6709\u76f8\u540c\u7684URL\u3002<\/p>\n<p>URL\u7684\u957f\u5ea6\u548c\u590d\u6742\u7a0b\u5ea6\u5404\u4e0d\u76f8\u540c\u3002URL\u53ef\u80fd\u50cf<code>example.com<\/code>\u8fd9\u6837\u7b80\u77ed\uff0c\u4e5f\u53ef\u80fd\u50cf<code>http:\/\/llanfairpwllgwyngyllgogerychwyrndrobwllllantysiliogogogoch.co.uk<\/code>\u8fd9\u6837\u5197\u957f\u3002\u590d\u6742\u7684URL\u53ef\u80fd\u4e0d\u7f8e\u89c2\uff0c\u4f1a\u5bfc\u81f4\u641c\u7d22\u5f15\u64ce\u4f18\u5316\uff08SEO\uff09\u95ee\u9898\uff0c\u5e76\u5bf9\u8425\u9500\u8ba1\u5212\u4ea7\u751f\u8d1f\u9762\u5f71\u54cd\u3002URL\u7f29\u77ed\u5668\u53ef\u4ee5\u5c06\u957fURL\u6620\u5c04\u4e3a\u8f83\u77ed\u7684URL\uff0c\u5e76\u5728\u4f7f\u7528\u77edURL\u65f6\u5c06\u7528\u6237\u91cd\u5b9a\u5411\u5230\u539f\u59cbURL\u3002<\/p>\n<p>\u5728\u672c\u6559\u7a0b\u4e2d\uff0c\u60a8\u5c06\u4f7f\u7528NestJS\u521b\u5efa\u4e00\u4e2aURL\u7f29\u77ed\u5668\u3002\u9996\u5148\uff0c\u60a8\u5c06\u5728\u670d\u52a1\u4e2d\u5b9e\u73b0URL\u7f29\u77ed\u548c\u91cd\u5b9a\u5411\u903b\u8f91\u3002\u7136\u540e\uff0c\u60a8\u5c06\u521b\u5efa\u8def\u7531\u5904\u7406\u7a0b\u5e8f\u6765\u65b9\u4fbf\u7f29\u77ed\u548c\u91cd\u5b9a\u5411\u8bf7\u6c42\u3002<\/p>\n<h2>\u5148\u51b3\u6761\u4ef6<\/h2>\n<p>\u8981\u6309\u7167\u672c\u6559\u7a0b\u8fdb\u884c\u64cd\u4f5c\uff0c\u60a8\u9700\u8981\u51c6\u5907\u4ee5\u4e0b\u6750\u6599\uff1a<\/p>\n<ul class=\"post-ul\">\n<li>Node.js 16\u6216\u66f4\u9ad8\u7248\u672c\u7684\u672c\u5730\u5f00\u53d1\u73af\u5883\u3002\u8bf7\u6839\u636e\u60a8\u7684\u7cfb\u7edf\uff0c\u53c2\u8003\u300a\u5982\u4f55\u5b89\u88c5Node.js\u5e76\u521b\u5efa\u672c\u5730\u5f00\u53d1\u73af\u5883\u300b\u6559\u7a0b\u8fdb\u884c\u8bbe\u7f6e\u3002<\/li>\n<li>\u7cfb\u7edf\u4e0a\u5df2\u5b89\u88c5NestJS CLI\uff08\u60a8\u5c06\u5728\u7b2c\u4e00\u6b65\u4e2d\u8fdb\u884c\u8bbe\u7f6e\uff09\uff0c\u5e76\u719f\u6089NestJS\u3002\u8bf7\u67e5\u9605\u300aNestJS\u5165\u95e8\u6307\u5357\u300b\u3002<\/li>\n<li>\u719f\u6089TypeScript\u3002\u60a8\u53ef\u4ee5\u67e5\u9605\u300aTypeScript\u7f16\u7a0b\u7cfb\u5217\u300b\u4ee5\u4e86\u89e3\u66f4\u591a\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<h2>\u7b2c\u4e00\u6b65 &#8211; \u51c6\u5907\u5f00\u53d1\u73af\u5883<\/h2>\n<p>\u5728\u8fd9\u4e2a\u6b65\u9aa4\u4e2d\uff0c\u60a8\u5c06\u8bbe\u7f6e\u6240\u6709\u5f00\u59cb\u5b9e\u65bdURL\u7f29\u77ed\u903b\u8f91\u6240\u9700\u7684\u5185\u5bb9\u3002\u60a8\u5c06\u5168\u5c40\u5b89\u88c5NestJS CLI\uff0c\u751f\u6210\u4e00\u4e2a\u65b0\u7684NestJS\u5e94\u7528\u6837\u677f\uff0c\u5b89\u88c5\u4f9d\u8d56\u9879\uff0c\u5e76\u521b\u5efa\u9879\u76ee\u7684\u6a21\u5757\u3001\u670d\u52a1\u548c\u63a7\u5236\u5668\u3002<\/p>\n<p>\u9996\u5148\uff0c\u5982\u679c\u60a8\u4ee5\u524d\u6ca1\u6709\u5b89\u88c5\u8fc7Nest CLI\uff0c\u60a8\u9700\u8981\u5168\u5c40\u5b89\u88c5\u5b83\u3002\u60a8\u5c06\u4f7f\u7528\u8fd9\u4e2aCLI\u6765\u751f\u6210\u9879\u76ee\u76ee\u5f55\u548c\u6240\u9700\u7684\u6587\u4ef6\u3002\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u4ee5\u5b89\u88c5Nest CLI\uff1a<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"$\"><span class=\"token function\">npm<\/span> <span class=\"token function\">install<\/span> <span class=\"token parameter variable\">-g<\/span> @nestjs\/cli<\/li><\/ol><\/code><\/pre>\n<p><code>-g<\/code>\u9009\u9879\u5c06\u5168\u5c40\u5728\u60a8\u7684\u7cfb\u7edf\u4e0a\u5b89\u88c5Nest CLI\u3002<\/p>\n<p>\u60a8\u5c06\u4f1a\u770b\u5230\u4ee5\u4e0b\u8f93\u51fa\u7ed3\u679c\uff1a<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"$\"><div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa...<\/div><\/li><li data-prefix=\"$\">added <span class=\"token number\">249<\/span> packages, and audited <span class=\"token number\">250<\/span> packages <span class=\"token keyword\">in<\/span> 3m<\/li><li data-prefix=\"$\"><span class=\"token number\">39<\/span> packages are looking <span class=\"token keyword\">for<\/span> funding<\/li><li data-prefix=\"$\">run <span class=\"token function\">npm<\/span> fund <span class=\"token keyword\">for<\/span> details<\/li><li data-prefix=\"$\">found <span class=\"token number\">0<\/span> vulnerabilities<\/li><\/ol><\/code><\/pre>\n<p>\u7136\u540e\uff0c\u60a8\u5c06\u4f7f\u7528\u65b0\u5b89\u88c5\u7684\u547d\u4ee4\u6765\u521b\u5efa\u9879\u76ee\u5e76\u751f\u6210\u5fc5\u8981\u7684\u6837\u677f\u5f15\u5bfc\u6587\u4ef6\uff1a<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"$\">nest new URL-shortener<\/li><\/ol><\/code><\/pre>\n<p>\u60a8\u5c06\u4f1a\u770b\u5230\u4ee5\u4e0b\u8f93\u51fa\u7ed3\u679c\uff1a<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"$\"><div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/div><\/li><\/ol><\/code><\/pre>\n<p>\u8fd9\u662f\u6587\u7ae0\u300a\u5982\u4f55\u4f7f\u7528NestJS\u5728NodeJS\u4e2d\u6784\u5efa\u4e00\u4e2a\u7c7b\u578b\u5b89\u5168\u7684URL\u7f29\u77ed\u5668\u300b\u7684\u7b2c2\u90e8\u5206\uff08\u51718\u90e8\u5206\uff09\u3002<\/p>\n<pre class=\"post-pre\"><code><ol>\r\n  <li data-prefix=\"$\">\u26a1 \u6b63\u5728\u4e3a\u60a8\u642d\u5efa\u5e94\u7528\u7a0b\u5e8f...<\/li>\r\n  <li data-prefix=\"$\"><\/li>\r\n  <li data-prefix=\"$\">\u521b\u5efa url-shortener\/.eslintrc.js (631 \u5b57\u8282)<\/li>\r\n  <li data-prefix=\"$\">\u521b\u5efa url-shortener\/.prettierrc (51 \u5b57\u8282)<\/li>\r\n  <li data-prefix=\"$\">\u521b\u5efa url-shortener\/nest-cli.json (118 \u5b57\u8282)<\/li>\r\n  <li data-prefix=\"$\">\u521b\u5efa url-shortener\/package.json (2002 \u5b57\u8282)<\/li>\r\n  <li data-prefix=\"$\">\u521b\u5efa url-shortener\/README.md (3339 \u5b57\u8282)<\/li>\r\n  <li data-prefix=\"$\">\u521b\u5efa url-shortener\/tsconfig.build.json (97 \u5b57\u8282)<\/li>\r\n  <li data-prefix=\"$\">\u521b\u5efa url-shortener\/tsconfig.json (546 \u5b57\u8282)<\/li>\r\n  <li data-prefix=\"$\">\u521b\u5efa url-shortener\/src\/app.controller.spec.ts (617 \u5b57\u8282)<\/li>\r\n  <li data-prefix=\"$\">\u521b\u5efa url-shortener\/src\/app.controller.ts (274 \u5b57\u8282)<\/li>\r\n  <li data-prefix=\"$\">\u521b\u5efa url-shortener\/src\/app.module.ts (249 \u5b57\u8282)<\/li>\r\n  <li data-prefix=\"$\">\u521b\u5efa url-shortener\/src\/app.service.ts (142 \u5b57\u8282)<\/li>\r\n  <li data-prefix=\"$\">\u521b\u5efa url-shortener\/src\/main.ts (208 \u5b57\u8282)<\/li>\r\n  <li data-prefix=\"$\">\u521b\u5efa url-shortener\/test\/app.e2e-spec.ts (630 \u5b57\u8282)<\/li>\r\n  <li data-prefix=\"$\">\u521b\u5efa url-shortener\/test\/jest-e2e.json (183 \u5b57\u8282)<\/li>\r\n  <li data-prefix=\"$\"><\/li>\r\n  <li data-prefix=\"$\">? \u60a8\u5e0c\u671b\u4f7f\u7528\u54ea\u4e2a\u5305\u7ba1\u7406\u5668\uff1f (\u4f7f\u7528\u65b9\u5411\u952e\u9009\u62e9)<\/li>\r\n  <li data-prefix=\"$\">&gt; npm<\/li>\r\n  <li data-prefix=\"$\">  yarn<\/li>\r\n  <li data-prefix=\"$\">  pnpm<\/li>\r\n<\/ol>\r\n<\/code><\/pre>\n<p>\u9009\u62e9 npm\u3002<\/p>\n<p>\u60a8\u5c06\u770b\u5230\u4ee5\u4e0b\u8f93\u51fa\u7ed3\u679c\uff1a<\/p>\n<pre class=\"post-pre\"><code><ol>\r\n  <li data-prefix=\"$\"><div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/div>\u221a \u5b89\u88c5\u8fdb\u884c\u4e2d... \u2615<\/li>\r\n  <li data-prefix=\"$\"><\/li>\r\n  <li data-prefix=\"$\">? \u6210\u529f\u521b\u5efa\u9879\u76ee url-shortener<\/li>\r\n  <li data-prefix=\"$\">? \u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u5f00\u59cb\uff1a<\/li>\r\n  <li data-prefix=\"$\"><\/li>\r\n  <li data-prefix=\"$\">$ cd url-shortener<\/li>\r\n  <li data-prefix=\"$\">$ npm run start<\/li>\r\n  <li data-prefix=\"$\"><\/li>\r\n  <li data-prefix=\"$\">                          \u611f\u8c22\u60a8\u5b89\u88c5 Nest ?<\/li>\r\n  <li data-prefix=\"$\">                 \u8bf7\u8003\u8651\u5411\u6211\u4eec\u7684\u5f00\u653e\u96c6\u4f53\u6350\u6b3e<\/li>\r\n  <li data-prefix=\"$\">                        \u4ee5\u5e2e\u52a9\u6211\u4eec\u7ef4\u62a4\u6b64\u8f6f\u4ef6\u5305\u3002<\/li>\r\n  <li data-prefix=\"$\"><\/li>\r\n  <li data-prefix=\"$\">               ? \u6350\u6b3e\uff1ahttps:\/\/opencollective.com\/nest<\/li>\r\n<\/ol>\r\n<\/code><\/pre>\n<p>\u79fb\u52a8\u5230\u60a8\u521b\u5efa\u7684\u9879\u76ee\u76ee\u5f55\u4e2d\u3002<\/p>\n<pre class=\"post-pre\"><code><ol>\r\n  <li data-prefix=\"$\">cd url-shortener<\/li>\r\n<\/ol>\r\n<\/code><\/pre>\n<p>\u60a8\u5c06\u5728\u8fd9\u4e2a\u76ee\u5f55\u4e0b\u8fd0\u884c\u6240\u6709\u540e\u7eed\u547d\u4ee4\u3002<\/p>\n<div class=\"post-conf-note\">\n<p class=\"post-note\">\n<p class=\"post-conf-desc\">\u6ce8\u610f\uff1a<\/p>\n<div>\n<p>\u5f53\u60a8\u751f\u6210\u65b0\u9879\u76ee\u65f6\uff0cNestJS CLI \u4f1a\u521b\u5efa <code>app.controller.ts<\/code>\u3001<code>app.controller.spec.ts<\/code> \u548c <code>app.service.ts<\/code> \u6587\u4ef6\u3002\u56e0\u4e3a\u60a8\u5728\u672c\u6559\u7a0b\u4e2d\u4e0d\u9700\u8981\u5b83\u4eec\uff0c\u60a8\u53ef\u4ee5\u9009\u62e9\u5220\u9664\u6216\u5ffd\u7565\u5b83\u4eec\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u60a8\u5c06\u5b89\u88c5\u6240\u9700\u7684\u4f9d\u8d56\u9879\u3002<\/p>\n<p>\u672c\u6559\u7a0b\u9700\u8981\u4e00\u4e9b\u4f9d\u8d56\u9879\uff0c\u60a8\u5c06\u4f7f\u7528 Node.js \u7684\u9ed8\u8ba4\u5305\u7ba1\u7406\u5668 npm \u8fdb\u884c\u5b89\u88c5\u3002\u6240\u9700\u7684\u4f9d\u8d56\u9879\u5305\u62ec TypeORM\u3001SQLite\u3001Class-validator\u3001Class-transformer \u548c Nano-ID\u3002<\/p>\n<\/p><\/div>\n<\/div>\n<p>TypeORM\u662f\u4e00\u4e2a\u5bf9\u8c61\u5173\u7cfb\u6620\u5c04\uff08ORM\uff09\u5de5\u5177\uff0c\u5b83\u6781\u5927\u5730\u7b80\u5316\u4e86TypeScript\u5e94\u7528\u4e0e\u5173\u7cfb\u578b\u6570\u636e\u5e93\u4e4b\u95f4\u7684\u4ea4\u4e92\u3002\u6b64ORM\u4e0eNestJS\u5b9e\u73b0\u4e86\u65e0\u7f1d\u96c6\u6210\uff0c\u8fd9\u5f97\u76ca\u4e8eNestJS\u4e13\u7528\u7684<code>@nestjs\/typeorm<\/code>\u8f6f\u4ef6\u5305\u3002\u60a8\u5c06\u4f7f\u7528\u6b64\u4f9d\u8d56\u9879\u4ee5\u53caNestJS\u539f\u751f\u7684<code>typeorm<\/code>\u8f6f\u4ef6\u5305\u6765\u4e0eSQLite\u6570\u636e\u5e93\u8fdb\u884c\u4ea4\u4e92\u3002<\/p>\n<p>\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u6765\u5b89\u88c5TypeORM\u53ca\u5176\u9488\u5bf9NestJS\u7684\u4e13\u7528\u5305\uff1a<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"$\"><span class=\"token function\">npm<\/span> <span class=\"token function\">install<\/span> @nestjs\/typeorm typeorm\r\n<\/li><\/ol>\r\n<\/code><\/pre>\n<p>SQLite\u662f\u4e00\u4e2a\u8f7b\u91cf\u7ea7\u3001\u5feb\u901f\u4e14\u72ec\u7acb\u7684SQL\u6570\u636e\u5e93\u5f15\u64ce\u5e93\u3002\u60a8\u5c06\u4f7f\u7528\u6b64\u4f9d\u8d56\u9879\u4f5c\u4e3a\u6570\u636e\u5e93\uff0c\u7528\u4e8e\u5b58\u50a8\u548c\u68c0\u7d22\u7f29\u77ed\u540e\u7684URL\u3002<\/p>\n<p>\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u6765\u5b89\u88c5SQLite\uff1a<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"$\"><span class=\"token function\">npm<\/span> <span class=\"token function\">install<\/span> sqlite3\r\n<\/li><\/ol>\r\n<\/code><\/pre>\n<p><code>class-validator<\/code>\u8f6f\u4ef6\u5305\u5305\u542b\u4e86\u5728NestJS\u4e2d\u7528\u4e8e\u6570\u636e\u9a8c\u8bc1\u7684\u88c5\u9970\u5668\u3002\u60a8\u5c06\u7ed3\u5408\u6570\u636e\u4f20\u8f93\u5bf9\u8c61\uff08DTO\uff09\u4f7f\u7528\u6b64\u4f9d\u8d56\u9879\uff0c\u4ee5\u9a8c\u8bc1\u53d1\u9001\u5230\u5e94\u7528\u7a0b\u5e8f\u7684\u6570\u636e\u3002<\/p>\n<p>\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u6765\u5b89\u88c5<code>class-validator<\/code>\uff1a<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"$\"><span class=\"token function\">npm<\/span> <span class=\"token function\">install<\/span> class-validator\r\n<\/li><\/ol>\r\n<\/code><\/pre>\n<p><code>class-transformer<\/code>\u5305\u5141\u8bb8\u60a8\u5c06\u666e\u901a\u5bf9\u8c61\u8f6c\u6362\u4e3a\u7c7b\u7684\u5b9e\u4f8b\uff0c\u53cd\u4e4b\u4ea6\u7136\u3002\u60a8\u5c06\u4e0e<code>class-validator<\/code>\u4e00\u8d77\u4f7f\u7528\u6b64\u4f9d\u8d56\u9879\uff0c\u56e0\u4e3a<code>class-validator<\/code>\u65e0\u6cd5\u5355\u72ec\u8fd0\u884c\u3002<\/p>\n<p>\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u4ee5\u5b89\u88c5<code>class-transformer<\/code>\uff1a<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"$\"><span class=\"token function\">npm<\/span> <span class=\"token function\">install<\/span> class-transformer\r\n<\/li><\/ol>\r\n<\/code><\/pre>\n<p>Nano-ID\u662f\u4e00\u4e2a\u5b89\u5168\u3001\u5bf9URL\u53cb\u597d\u7684\u552f\u4e00\u5b57\u7b26\u4e32ID\u751f\u6210\u5668\u3002\u60a8\u5c06\u4f7f\u7528\u6b64\u4f9d\u8d56\u9879\u4e3a\u6bcf\u4e2aURL\u8d44\u6e90\u751f\u6210\u4e00\u4e2a\u552f\u4e00\u7684ID\u3002<\/p>\n<p>\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u6765\u5b89\u88c5Nano-ID\uff1a<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"$\"><span class=\"token function\">npm<\/span> <span class=\"token function\">install<\/span> nanoid@^3.0.0\r\n<\/li><\/ol>\r\n<\/code><\/pre>\n<div class=\"post-conf-note\">\n<p class=\"post-note\">\n<p class=\"post-conf-desc\">\u6ce8\u610f\uff1aNano-ID\u9ad8\u4e8e3.0.0\u7248\u672c\u5df2\u505c\u7528\u5bf9CommonJS\u6a21\u5757\u7684\u652f\u6301\u3002\u8fd9\u4e2a\u95ee\u9898\u53ef\u80fd\u4f1a\u5bfc\u81f4\u60a8\u7684\u5e94\u7528\u7a0b\u5e8f\u51fa\u9519\uff0c\u56e0\u4e3aTypeScript\u7f16\u8bd1\u5668\u751f\u6210\u7684JavaScript\u4ee3\u7801\u4ecd\u4f7f\u7528CommonJS\u6a21\u5757\u7cfb\u7edf\u3002<\/p>\n<\/p>\n<\/div>\n<p>\u5728\u5b89\u88c5\u5fc5\u8981\u7684\u4f9d\u8d56\u9879\u4e4b\u540e\uff0c\u60a8\u5c06\u4f7f\u7528Nest CLI\u751f\u6210\u9879\u76ee\u7684\u6a21\u5757\u3001\u670d\u52a1\u548c\u63a7\u5236\u5668\u3002\u6a21\u5757\u5c06\u7ec4\u7ec7\u60a8\u7684\u9879\u76ee\u7ed3\u6784\uff0c\u670d\u52a1\u5c06\u5904\u7406URL\u7f29\u77ed\u5668\u7684\u6240\u6709\u4e1a\u52a1\u903b\u8f91\uff0c\u800c\u63a7\u5236\u5668\u5c06\u8d1f\u8d23\u5904\u7406\u8def\u7531\u3002<\/p>\n<p>\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u751f\u6210\u60a8\u7684\u6a21\u5757\uff1a<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"$\">nest generate module url\r\n<\/li><\/ol>\r\n<\/code><\/pre>\n<p>\u60a8\u5c06\u770b\u5230\u4ee5\u4e0b\u8f93\u51fa\u7ed3\u679c\uff1a<\/p>\n<pre class=\"post-pre\"><code><div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/div>CREATE src\/url\/url.module.ts (80 bytes)\r\nUPDATE src\/app.module.ts (304 bytes)\r\n<\/code><\/pre>\n<p>\u7136\u540e\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u6765\u751f\u6210\u60a8\u7684\u670d\u52a1\uff1a<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"$\">nest generate <span class=\"token function\">service<\/span> url --no-spec\r\n<\/li><\/ol>\r\n<\/code><\/pre>\n<p>\u4f7f\u7528<code>--no-spec<\/code>\u6807\u5fd7\u53ef\u4ee5\u544a\u8bc9Nest CLI\u5728\u751f\u6210\u6587\u4ef6\u65f6\u4e0d\u5305\u542b\u6d4b\u8bd5\u6587\u4ef6\u3002\u5728\u672c\u6559\u7a0b\u4e2d\uff0c\u60a8\u4e0d\u9700\u8981\u6d4b\u8bd5\u6587\u4ef6\u3002<\/p>\n<p>\u60a8\u5c06\u770b\u5230\u4e0b\u9762\u7684\u8f93\u51fa\u7ed3\u679c\uff1a<\/p>\n<pre class=\"post-pre\"><code><div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/div>CREATE src\/url\/url.service.ts (87 bytes)\r\nUPDATE src\/url\/url.module.ts (151 bytes)\r\n<\/code><\/pre>\n<p>\u7136\u540e\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u6765\u751f\u6210\u60a8\u7684\u63a7\u5236\u5668\uff1a<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"$\">nest generate controller url --no-spec\r\n<\/li><\/ol>\r\n<\/code><\/pre>\n<p>\u60a8\u5c06\u770b\u5230\u5982\u4e0b\u8f93\u51fa\u7ed3\u679c\uff1a<\/p>\n<pre class=\"post-pre\"><code><div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/div>CREATE src\/url\/url.controller.ts (95 bytes)\r\nUPDATE src\/url\/url.module.ts (233 bytes)\r\n<\/code><\/pre>\n<p>\u5728\u8fd9\u4e00\u6b65\u4e2d\uff0c\u60a8\u5df2\u7ecf\u4e3a\u5e94\u7528\u7a0b\u5e8f\u751f\u6210\u4e86\u5927\u90e8\u5206\u5f00\u53d1\u6240\u9700\u7684\u6587\u4ef6\u3002\u63a5\u4e0b\u6765\uff0c\u60a8\u5c06\u628a\u5e94\u7528\u7a0b\u5e8f\u8fde\u63a5\u5230\u4e00\u4e2a\u6570\u636e\u5e93\u3002<\/p>\n<h2>\u7b2c\u4e8c\u6b65 \u2014 \u5c06\u60a8\u7684\u5e94\u7528\u7a0b\u5e8f\u8fde\u63a5\u5230\u6570\u636e\u5e93<\/h2>\n<p>\u5728\u8fd9\u4e00\u6b65\u4e2d\uff0c\u60a8\u5c06\u521b\u5efa\u4e00\u4e2a\u5b9e\u4f53\u6765\u6a21\u62df\u6570\u636e\u5e93\u4e2d\u7684URL\u8d44\u6e90\u3002\u5b9e\u4f53\u662f\u5305\u542b\u5b58\u50a8\u6570\u636e\u6240\u9700\u5c5e\u6027\u7684\u6587\u4ef6\u3002\u60a8\u8fd8\u5c06\u521b\u5efa\u4e00\u4e2a\u5b58\u50a8\u5e93\u4f5c\u4e3a\u5e94\u7528\u7a0b\u5e8f\u548c\u6570\u636e\u5e93\u4e4b\u95f4\u7684\u8bbf\u95ee\u5c42\u3002<\/p>\n<p>\u8bf7\u4f7f\u7528Nano\u6216\u60a8\u504f\u597d\u7684\u6587\u672c\u7f16\u8f91\u5668\uff0c\u5728<code>src\/url<\/code>\u6587\u4ef6\u5939\u4e2d\u521b\u5efa\u5e76\u6253\u5f00\u540d\u4e3a<code>url.entity.ts<\/code>\u7684\u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"$\"><span class=\"token function\">nano<\/span> src\/url\/url.entity.ts\r\n<\/li><\/ol>\r\n<\/code><\/pre>\n<p>\u8fd9\u4e2a\u6587\u4ef6\u5c06\u5305\u542b\u6a21\u578b\u6570\u636e\u7684\u5b9e\u4f53\u5b9a\u4e49\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u5728\u60a8\u7684<code>src\/url\/url.entity.ts<\/code>\u6587\u4ef6\u4e2d\uff0c\u6dfb\u52a0\u4ee5\u4e0b\u7684TypeScript\u4ee3\u7801\uff1a<\/p>\n<div><code>src\/url\/url.entity.ts<\/code><\/div>\n<pre class=\"post-pre\"><code>import { Entity, Column, PrimaryGeneratedColumn } from 'typeorm';\r\n\r\n@Entity()\r\nexport class Url {\r\n    @PrimaryGeneratedColumn()\r\n    id: number;\r\n\r\n    @Column()\r\n    urlCode: string;\r\n\r\n    @Column()\r\n    longUrl: string;\r\n\r\n    @Column()\r\n    shortUrl: string;\r\n}\r\n<\/code><\/pre>\n<p>\u9996\u5148\uff0c\u4ece<code>'typeorm'<\/code>\u4e2d\u5bfc\u5165<code>Entity<\/code>\u3001<code>Column<\/code>\u548c<code>PrimaryGeneratedColumn<\/code>\u88c5\u9970\u5668\u3002<\/p>\n<p>\u4ee3\u7801\u521b\u5efa\u5e76\u5bfc\u51fa\u4e00\u4e2a\u5e26\u6709<code>@Entity()<\/code>\u88c5\u9970\u5668\u6ce8\u91ca\u7684<code>Url<\/code>\u7c7b\uff0c\u8be5\u6ce8\u91ca\u5c06\u6b64\u7c7b\u6807\u8bb0\u4e3aTypeORM\u5b9e\u4f53\u3002<\/p>\n<p>\u6bcf\u4e2a\u5c5e\u6027\u90fd\u4f7f\u7528\u76f8\u5e94\u7684\u88c5\u9970\u5668\u8fdb\u884c\u6307\u5b9a\u548c\u6ce8\u91ca\uff1a\u4f7f\u7528<code>@PrimaryGeneratedColumn()<\/code>\u88c5\u9970\u5668\u6765\u6807\u8bc6<code>id<\/code>\u5c5e\u6027\uff0c\u4f7f\u7528<code>@Column()<\/code>\u88c5\u9970\u5668\u6807\u8bc6\u5176\u4ed6\u5c5e\u6027\u3002<code>@PrimaryGeneratedColumn()<\/code>\u662f\u4e00\u4e2a\u4f1a\u81ea\u52a8\u4e3a\u88ab\u6ce8\u91ca\u5c5e\u6027\u751f\u6210\u503c\u7684\u88c5\u9970\u5668\u3002TypeORM\u5c06\u4f7f\u7528\u5b83\u4e3a\u6bcf\u4e2a\u8d44\u6e90\u751f\u6210\u4e00\u4e2aID\u3002<code>@Column()<\/code>\u662f\u4e00\u4e2a\u5c06\u88ab\u6ce8\u91ca\u5c5e\u6027\u4f5c\u4e3a\u6570\u636e\u5e93\u5217\u6dfb\u52a0\u7684\u88c5\u9970\u5668\u3002<\/p>\n<p>\u5e94\u8be5\u5b58\u50a8\u5728\u6570\u636e\u5e93\u4e2d\u7684\u5c5e\u6027\u5305\u62ec\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n<ul class=\"post-ul\">\n<li><code>id<\/code>\u662f\u6570\u636e\u5e93\u8868\u7684\u4e3b\u952e\u3002<\/li>\n<li><code>urlCode<\/code>\u662f\u7531Nano-ID\u5305\u751f\u6210\u7684\u552f\u4e00ID\uff0c\u5c06\u7528\u4e8e\u6807\u8bc6\u6bcf\u4e2aURL\u3002<\/li>\n<li><code>longUrl<\/code>\u662f\u53d1\u9001\u5230\u60a8\u7684\u5e94\u7528\u7a0b\u5e8f\u8fdb\u884c\u7f29\u77ed\u7684\u539f\u59cbURL\u3002<\/li>\n<li><code>shortUrl<\/code>\u662f\u7f29\u77ed\u540e\u7684URL\u3002<\/li>\n<\/ul>\n<p>\u4fdd\u5b58\u5e76\u5173\u95ed\u6587\u4ef6\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u60a8\u5c06\u5728\u5e94\u7528\u7a0b\u5e8f\u548c\u6570\u636e\u5e93\u4e4b\u95f4\u5efa\u7acb\u8fde\u63a5\u3002<\/p>\n<p>\u9996\u5148\uff0c\u7528Nano\u6216\u8005\u60a8\u559c\u6b22\u7684\u6587\u672c\u7f16\u8f91\u5668\u6253\u5f00<code>src\/app.module.ts<\/code>\u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"$\"><span class=\"token function\">nano<\/span> src\/app.module.ts\r\n<\/li><\/ol>\r\n<\/code><\/pre>\n<p>\u7136\u540e\uff0c\u5c06\u8fd9\u4e9b\u7a81\u51fa\u663e\u793a\u7684\u884c\u6dfb\u52a0\u5230\u6587\u4ef6\u4e2d\u3002<\/p>\n<div><code>app.module.ts<\/code> \u6e90\u4ee3\u7801\u6587\u4ef6<\/div>\n<pre class=\"post-pre\"><code>import { Module } from '@nestjs\/common';\r\n<mark>import { TypeOrmModule } from '@nestjs\/typeorm';<\/mark>\r\n<mark>import { Url } from '.\/url\/url.entity';<\/mark>\r\nimport { UrlModule } from '.\/url\/url.module';\r\n\r\n@Module({\r\n  imports: [\r\n    <mark>TypeOrmModule.forRoot({<\/mark>\r\n      <mark>type: 'sqlite',<\/mark>\r\n      <mark>database: 'URL.sqlite',<\/mark>\r\n      <mark>entities: [Url],<\/mark>\r\n      <mark>synchronize: true,<\/mark>\r\n    <mark>}),<\/mark>\r\n    UrlModule<mark>,<\/mark>\r\n  ],\r\n  controllers: [],\r\n  providers: [],\r\n})\r\nexport class AppModule {}\r\n<\/code><\/pre>\n<p>\u9996\u5148\uff0c\u4ece<code>@nestjs\/typeorm<\/code>\u5bfc\u5165<code>TypeOrmModule<\/code>\uff0c\u5e76\u4ece<code>.\/url\/url.entity<\/code>\u5bfc\u5165<code>Url<\/code>\u5b9e\u4f53\u3002\u60a8\u53ef\u80fd\u4ecd\u7136\u4fdd\u7559\u7740\u4e0e<code>AppController<\/code>\u548c<code>AppService<\/code>\u76f8\u5173\u7684\u4ee3\u7801\u884c\uff0c\u4f46\u5b83\u4eec\u4e0d\u4f1a\u5f71\u54cd\u672c\u6559\u7a0b\u7684\u5176\u4f59\u90e8\u5206\u3002<\/p>\n<p>\u5728<code>imports<\/code>\u6570\u7ec4\u4e2d\uff0c\u8c03\u7528<code>TypeOrmModule<\/code>\u7684<code>forRoot<\/code>\u65b9\u6cd5\uff0c\u4ee5\u4fbf\u5728\u5e94\u7528\u7a0b\u5e8f\u7684\u6240\u6709\u6a21\u5757\u4e2d\u5171\u4eab\u6570\u636e\u5e93\u8fde\u63a5\u3002<code>forRoot<\/code>\u65b9\u6cd5\u63a5\u53d7\u4e00\u4e2a\u914d\u7f6e\u5bf9\u8c61\u4f5c\u4e3a\u53c2\u6570\u3002<\/p>\n<p>\u8be5\u914d\u7f6e\u5bf9\u8c61\u5305\u542b\u7528\u4e8e\u521b\u5efa\u6570\u636e\u5e93\u8fde\u63a5\u7684\u5c5e\u6027\uff0c\u5177\u4f53\u5982\u4e0b\uff1a<\/p>\n<ul class=\"post-ul\">\n<li><code>type<\/code>\u5c5e\u6027\uff1a\u6307\u5b9a\u60a8\u4f7f\u7528TypeORM\u4ea4\u4e92\u7684\u6570\u636e\u5e93\u7c7b\u578b\u3002\u5728\u6b64\u793a\u4f8b\u4e2d\uff0c\u8bbe\u7f6e\u4e3a<code>'sqlite'<\/code>\u3002<\/li>\n<li><code>database<\/code>\u5c5e\u6027\uff1a\u6307\u5b9a\u60a8\u6570\u636e\u5e93\u7684\u9996\u9009\u540d\u79f0\u3002\u5728\u6b64\u793a\u4f8b\u4e2d\uff0c\u8bbe\u7f6e\u4e3a<code>'URL.sqlite'<\/code>\u3002<\/li>\n<li><code>entities<\/code>\u5c5e\u6027\uff1a\u4e00\u4e2a\u5305\u542b\u9879\u76ee\u4e2d\u6240\u6709\u5b9e\u4f53\u7684\u6570\u7ec4\u3002\u5728\u6b64\u793a\u4f8b\u4e2d\uff0c\u6570\u7ec4\u4e2d\u53ea\u6307\u5b9a\u4e86\u4e00\u4e2a<code>Url<\/code>\u5b9e\u4f53\u3002<\/li>\n<li><code>synchronize<\/code>\u5c5e\u6027\uff1a\u8be5\u9009\u9879\u4f1a\u5728\u6bcf\u6b21\u8fd0\u884c\u4ee3\u7801\u65f6\u81ea\u52a8\u5c06\u6570\u636e\u5e93\u8868\u4e0e\u60a8\u7684\u5b9e\u4f53\u540c\u6b65\u5e76\u66f4\u65b0\u8868\u7ed3\u6784\u3002\u5728\u6b64\u793a\u4f8b\u4e2d\uff0c\u8bbe\u7f6e\u4e3a<code>true<\/code>\u3002<\/li>\n<\/ul>\n<div class=\"post-conf-note\">\n<p class=\"post-note\">\n<p class=\"post-conf-desc\">\u6ce8\u610f\uff1a<\/p>\n<div>\u5728\u5f00\u53d1\u73af\u5883\u4e2d\uff0c\u5c06<code>synchronize<\/code>\u8bbe\u7f6e\u4e3a<code>true<\/code>\u662f\u7406\u60f3\u7684\u9009\u62e9\u3002\u4f46\u5728\u751f\u4ea7\u73af\u5883\u4e2d\uff0c\u5b83\u5e94\u59cb\u7ec8\u8bbe\u7f6e\u4e3a<code>false<\/code>\uff0c\u4ee5\u907f\u514d\u6f5c\u5728\u7684\u6570\u636e\u4e22\u5931\u3002<\/div>\n<\/div>\n<p>\u4fdd\u5b58\u5e76\u5173\u95ed\u6587\u4ef6\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u60a8\u5c06\u521b\u5efa\u4e00\u4e2a\u4ed3\u5e93\uff08Repository\uff09\uff0c\u4f5c\u4e3a\u5e94\u7528\u7a0b\u5e8f\u4e0e\u6570\u636e\u5e93\u4e4b\u95f4\u7684\u8bbf\u95ee\u5c42\u3002\u60a8\u9700\u8981\u5c06\u5b9e\u4f53\u8fde\u63a5\u5230\u5176\u7236\u6a21\u5757\uff0c\u8fd9\u79cd\u8fde\u63a5\u4f7f\u5f97Nest\u548cTypeORM\u80fd\u591f\u81ea\u52a8\u521b\u5efa\u4e00\u4e2a\u4ed3\u5e93\u3002<\/p>\n<p>\u6253\u5f00 <code>src\/url\/url.module.ts<\/code>\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"$\"><span class=\"token function\">nano<\/span> src\/url\/url.module.ts\r\n<\/li><\/ol>\r\n<\/code><\/pre>\n<p>\u5728\u73b0\u6709\u6587\u4ef6\u4e2d\uff0c\u6dfb\u52a0\u4ee5\u4e0b\u9ad8\u4eae\u663e\u793a\u7684\u884c\uff1a<\/p>\n<p><code>src\/url\/url.module.ts<\/code> \u7684\u5185\u5bb9\u5982\u4e0b\uff1a<\/p>\n<pre class=\"post-pre\"><code>import { Module } from '@nestjs\/common';\r\nimport { UrlService } from '.\/url.service';\r\nimport { UrlController } from '.\/url.controller';\r\n<mark>import { TypeOrmModule } from '@nestjs\/typeorm';<\/mark>\r\n<mark>import { Url } from '.\/url.entity';<\/mark>\r\n\r\n@Module({\r\n  <mark>imports: [TypeOrmModule.forFeature([Url])],<\/mark>\r\n  providers: [UrlService],\r\n  controllers: [UrlController],\r\n})\r\nexport class UrlModule {}\r\n<\/code><\/pre>\n<p>\u60a8\u5728<code>Module<\/code>\u88c5\u9970\u5668\u5185\u90e8\u521b\u5efa\u4e86\u4e00\u4e2a<code>imports<\/code>\u6570\u7ec4\uff0c\u5176\u4e2d\u5f15\u5165\u4e86<code>@nestjs\/typeorm<\/code>\u4e2d\u7684<code>TypeOrmModule<\/code>\u548c<code>.\/url.entity<\/code>\u4e2d\u7684<code>Url<\/code>\u5b9e\u4f53\u3002\u5728<code>imports<\/code>\u6570\u7ec4\u5185\uff0c\u60a8\u8c03\u7528\u4e86<code>TypeOrmModule<\/code>\u7684<code>forFeature<\/code>\u65b9\u6cd5\u3002<code>forFeature<\/code>\u65b9\u6cd5\u63a5\u53d7\u4e00\u4e2a\u5b9e\u4f53\u6570\u7ec4\u4f5c\u4e3a\u53c2\u6570\uff0c\u56e0\u6b64\u60a8\u4f20\u5165\u4e86<code>Url<\/code>\u5b9e\u4f53\u3002<\/p>\n<p>\u4fdd\u5b58\u5e76\u5173\u95ed\u6587\u4ef6\u3002<\/p>\n<p>Nest\u548cTypeORM\u5c06\u5728\u5e55\u540e\u4e3a\u60a8\u521b\u5efa\u4e00\u4e2a\u4ed3\u5e93\uff0c\u4f5c\u4e3a\u60a8\u7684\u670d\u52a1\u4e0e\u6570\u636e\u5e93\u4e4b\u95f4\u7684\u8bbf\u95ee\u5c42\u3002<\/p>\n<p>\u5728\u8fd9\u4e00\u6b65\u9aa4\u4e2d\uff0c\u60a8\u5df2\u5c06\u5e94\u7528\u7a0b\u5e8f\u8fde\u63a5\u5230\u6570\u636e\u5e93\u3002\u73b0\u5728\uff0c\u60a8\u5df2\u51c6\u5907\u597d\u5b9e\u73b0URL\u7f29\u77ed\u7684\u903b\u8f91\u3002<\/p>\n<h2>\u7b2c\u4e09\u6b65 \u2014 \u5b9e\u73b0\u670d\u52a1\u903b\u8f91<\/h2>\n<p>\u5728\u8fd9\u4e00\u6b65\u4e2d\uff0c\u60a8\u5c06\u4f7f\u7528\u4e24\u79cd\u65b9\u6cd5\u6765\u5b9e\u73b0\u60a8\u7684\u670d\u52a1\u903b\u8f91\u3002\u7b2c\u4e00\u79cd\u65b9\u6cd5\u662f<code>shortenUrl<\/code>\uff0c\u5b83\u5c06\u5305\u542b\u6240\u6709URL\u7f29\u77ed\u903b\u8f91\u3002\u7b2c\u4e8c\u79cd\u65b9\u6cd5\u662f<code>redirect<\/code>\uff0c\u5b83\u5c06\u5305\u542b\u5c06\u7528\u6237\u91cd\u5b9a\u5411\u5230\u539f\u59cbURL\u7684\u6240\u6709\u903b\u8f91\u3002\u60a8\u8fd8\u5c06\u521b\u5efa\u4e00\u4e2a\u6570\u636e\u4f20\u8f93\u5bf9\u8c61\uff08DTO\uff09\u6765\u9a8c\u8bc1\u8fdb\u5165\u5e94\u7528\u7a0b\u5e8f\u7684\u6570\u636e\u3002<\/p>\n<h3>\u4e3a\u670d\u52a1\u63d0\u4f9b\u5bf9\u4ed3\u5e93\u7684\u8bbf\u95ee<\/h3>\n<p>\u5728\u5b9e\u73b0\u8fd9\u4e9b\u65b9\u6cd5\u4e4b\u524d\uff0c\u60a8\u5c06\u6388\u6743\u60a8\u7684\u670d\u52a1\u8bbf\u95ee\u60a8\u7684\u4ed3\u5e93\uff0c\u4ee5\u4fbf\u60a8\u7684\u5e94\u7528\u7a0b\u5e8f\u80fd\u591f\u8bfb\u53d6\u548c\u5199\u5165\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u3002<\/p>\n<p>\u9996\u5148\uff0c\u6253\u5f00<code>src\/url\/url.service.ts<\/code>\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"$\"><span class=\"token function\">nano<\/span> src\/url\/url.service.ts\r\n<\/li><\/ol>\r\n<\/code><\/pre>\n<p>\u8bf7\u5c06\u4ee5\u4e0b\u9ad8\u4eae\u663e\u793a\u7684\u884c\u6dfb\u52a0\u5230\u73b0\u6709\u6587\u4ef6\u4e2d\uff1a<\/p>\n<p><code>src\/url\/url.service.ts<\/code> \u7684\u5185\u5bb9\u5982\u4e0b\uff1a<\/p>\n<pre class=\"post-pre\"><code>import { Injectable } from '@nestjs\/common';\r\n<mark>import { Repository } from 'typeorm';<\/mark>\r\n<mark>import { InjectRepository } from '@nestjs\/typeorm';<\/mark>\r\n<mark>import { Url } from '.\/url.entity';<\/mark>\r\n\r\n@Injectable()\r\nexport class UrlService {\r\n  <mark>constructor(<\/mark>\r\n    <mark>@InjectRepository(Url)<\/mark>\r\n    <mark>private repo: Repository&lt;Url&gt;,<\/mark>\r\n  <mark>) {}<\/mark>\r\n}\r\n<\/code><\/pre>\n<p>\u60a8\u4ece<code>typeorm<\/code>\u4e2d\u5bfc\u5165<code>Repository<\/code>\uff0c\u4ece<code>@nestjs\/typeorm<\/code>\u4e2d\u5bfc\u5165<code>InjectRepository<\/code>\uff0c\u4ee5\u53ca\u4ece<code>.\/url.entity<\/code>\u4e2d\u5bfc\u5165<code>Url<\/code>\u5b9e\u4f53\u3002<\/p>\n<p>\u5728\u60a8\u7684<code>UrlService<\/code>\u7c7b\u4e2d\uff0c\u60a8\u521b\u5efa\u4e86\u4e00\u4e2a\u6784\u9020\u51fd\u6570\u3002\u5728\u6784\u9020\u51fd\u6570\u5185\u90e8\uff0c\u60a8\u58f0\u660e\u4e86\u4e00\u4e2a\u79c1\u6709\u53d8\u91cf<code>repo<\/code>\u4f5c\u4e3a\u53c2\u6570\u3002\u7136\u540e\uff0c\u60a8\u5c06<code>repo<\/code>\u7684\u7c7b\u578b\u8bbe\u7f6e\u4e3a\u5177\u6709<code>Url<\/code>\u6cdb\u578b\u7c7b\u578b\u7684<code>Repository<\/code>\u3002\u60a8\u4f7f\u7528<code>@InjectRepository<\/code>\u88c5\u9970\u5668\u6ce8\u89e3\u4e86<code>repo<\/code>\u53d8\u91cf\uff0c\u5e76\u5c06<code>Url<\/code>\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u8fdb\u53bb\u3002<\/p>\n<p>\u4fdd\u5b58\u5e76\u5173\u95ed\u6587\u4ef6\u3002<\/p>\n<p>\u60a8\u7684\u670d\u52a1\u73b0\u5728\u53ef\u4ee5\u901a\u8fc7<code>repo<\/code>\u53d8\u91cf\u8bbf\u95ee\u60a8\u7684\u4ed3\u5e93\u3002\u6240\u6709\u7684\u6570\u636e\u5e93\u67e5\u8be2\u548cTypeORM\u65b9\u6cd5\u90fd\u5c06\u5728\u6b64\u53d8\u91cf\u4e0a\u8c03\u7528\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u60a8\u5c06\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a<code>shortenUrl<\/code>\u7684\u5f02\u6b65\u65b9\u6cd5\u3002\u8be5\u65b9\u6cd5\u5c06\u63a5\u53d7\u4e00\u4e2aURL\u4f5c\u4e3a\u53c2\u6570\u5e76\u8fd4\u56de\u4e00\u4e2a\u7f29\u77ed\u7684URL\u3002\u4e3a\u4e86\u9a8c\u8bc1\u4f20\u5165\u65b9\u6cd5\u7684\u6570\u636e\u662f\u5426\u6709\u6548\uff0c\u60a8\u5c06\u4f7f\u7528\u6570\u636e\u4f20\u8f93\u5bf9\u8c61\uff08DTO\uff09\u4ee5\u53ca<code>class-validator<\/code>\u548c<code>class-transformer<\/code>\u5305\u6765\u9a8c\u8bc1\u6570\u636e\u3002<\/p>\n<h3>\u521b\u5efa\u4e00\u4e2a\u6570\u636e\u4f20\u8f93\u5bf9\u8c61\uff08DTO\uff09<\/h3>\n<p>\u5728\u521b\u5efa\u5f02\u6b65\u65b9\u6cd5\u4e4b\u524d\uff0c\u60a8\u5c06\u521b\u5efa<code>shortenUrl<\/code>\u5f02\u6b65\u65b9\u6cd5\u6240\u9700\u7684\u6570\u636e\u4f20\u8f93\u5bf9\u8c61\uff08DTO\uff09\u3002\u6570\u636e\u4f20\u8f93\u5bf9\u8c61\u662f\u5b9a\u4e49\u6570\u636e\u5982\u4f55\u5728\u5e94\u7528\u7a0b\u5e8f\u4e4b\u95f4\u4f20\u8f93\u7684\u5bf9\u8c61\u3002<\/p>\n<p>\u9996\u5148\uff0c\u5728\u60a8\u7684URL\u6587\u4ef6\u5939\u4e2d\u521b\u5efa\u4e00\u4e2a<code>dtos<\/code>\uff08\u6570\u636e\u4f20\u8f93\u5bf9\u8c61\uff09\u6587\u4ef6\u5939\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"$\"><span class=\"token function\">mkdir<\/span> src\/url\/dtos\r\n<\/li><\/ol>\r\n<\/code><\/pre>\n<p>\u7136\u540e\uff0c\u5728\u8be5\u6587\u4ef6\u5939\u4e2d\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a<code>url.dto.ts<\/code>\u7684\u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"$\"><span class=\"token function\">nano<\/span> src\/url\/dtos\/url.dto.ts\r\n<\/li><\/ol>\r\n<\/code><\/pre>\n<p>\u5c06\u4ee5\u4e0b\u4ee3\u7801\u6dfb\u52a0\u5230\u65b0\u6587\u4ef6\u4e2d\uff1a<\/p>\n<p><code>src\/url\/dtos\/url.dto.ts<\/code> \u7684\u5185\u5bb9\u5982\u4e0b\uff1a<\/p>\n<pre class=\"post-pre\"><code>import { IsString, IsNotEmpty } from 'class-validator';\r\n\r\nexport class ShortenURLDto {\r\n  @IsString()\r\n  @IsNotEmpty()\r\n  longUrl: string;\r\n}\r\n<\/code><\/pre>\n<p>\u60a8\u4ece<code>class-validator<\/code>\u4e2d\u5bfc\u5165<code>IsString<\/code>\u548c<code>IsNotEmpty<\/code>\u88c5\u9970\u5668\u3002\u7136\u540e\uff0c\u60a8\u521b\u5efa\u5e76\u5bfc\u51fa\u4e86<code>ShortenURLDto<\/code>\u7c7b\u3002\u5728<code>ShortenURLDto<\/code>\u7c7b\u5185\u90e8\uff0c\u60a8\u521b\u5efa\u4e86\u4e00\u4e2a<code>longUrl<\/code>\u5c5e\u6027\uff0c\u5e76\u8d4b\u4e88\u4e86<code>string<\/code>\u7c7b\u578b\u3002<\/p>\n<p>\u60a8\u8fd8\u4f7f\u7528<code>@IsString<\/code>\u548c<code>@IsNotEmpty<\/code>\u88c5\u9970\u5668\u5bf9<code>longUrl<\/code>\u5c5e\u6027\u8fdb\u884c\u4e86\u6ce8\u89e3\u3002\u4f7f\u7528\u8fd9\u4e9b\u88c5\u9970\u5668\u6ce8\u89e3<code>longUrl<\/code>\u5c5e\u6027\u5c06\u786e\u4fdd<code>longUrl<\/code>\u59cb\u7ec8\u4e3a\u5b57\u7b26\u4e32\u4e14\u4e0d\u4e3a\u7a7a\u3002<\/p>\n<p>\u4fdd\u5b58\u5e76\u5173\u95ed\u6587\u4ef6\u3002<\/p>\n<p>\u7136\u540e\uff0c\u6253\u5f00\u60a8\u7684<code>src\/main.ts<\/code>\u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"$\"><span class=\"token function\">nano<\/span> src\/main.ts\r\n<\/li><\/ol>\r\n<\/code><\/pre>\n<p>\u5c06\u4e0b\u9762\u7684\u4ee3\u7801\u6bb5\u6dfb\u52a0\u5230\u73b0\u6709\u6587\u4ef6\u4e2d\uff1a<\/p>\n<p><code>src\/main.ts<\/code> \u7684\u5185\u5bb9\u5982\u4e0b\uff1a<\/p>\n<p>\u8fd9\u662f\u6587\u7ae0\u300a\u5982\u4f55\u4f7f\u7528NestJS\u5728NodeJS\u4e2d\u6784\u5efa\u4e00\u4e2a\u7c7b\u578b\u5b89\u5168\u7684URL\u7f29\u77ed\u5668\u300b\u7684\u7b2c5\u90e8\u5206\uff08\u51718\u90e8\u5206\uff09\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> NestFactory <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">'@nestjs\/core'<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> AppModule <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">'.\/app.module'<\/span><span class=\"token punctuation\">;<\/span>\r\n<mark><span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> ValidationPipe <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">'@nestjs\/common'<\/span><span class=\"token punctuation\">;<\/span><\/mark>\r\n\r\n<span class=\"token keyword\">async<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function\">bootstrap<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\r\n  <span class=\"token keyword\">const<\/span> app <span class=\"token operator\">=<\/span> <span class=\"token keyword\">await<\/span> NestFactory<span class=\"token punctuation\">.<\/span><span class=\"token function\">create<\/span><span class=\"token punctuation\">(<\/span>AppModule<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n  <mark>app<span class=\"token punctuation\">.<\/span><span class=\"token function\">useGlobalPipes<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">ValidationPipe<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> whitelist<span class=\"token operator\">:<\/span> <span class=\"token boolean\">true<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/mark>\r\n  <span class=\"token keyword\">await<\/span> app<span class=\"token punctuation\">.<\/span><span class=\"token function\">listen<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">3000<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span>\r\n<span class=\"token function\">bootstrap<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<\/code><\/pre>\n<p>\u60a8\u5bfc\u5165\u4e86<code>ValidationPipe<\/code>\uff0c\u8be5\u7ba1\u9053\u4f7f\u7528<code>class-validator<\/code>\u5305\u6765\u5bf9\u8f93\u5165\u60a8\u5e94\u7528\u7a0b\u5e8f\u7684\u6240\u6709\u6570\u636e\u8fdb\u884c\u9a8c\u8bc1\u3002<\/p>\n<p>\u7136\u540e\uff0c\u60a8\u5728\u5e94\u7528\u5b9e\u4f8b\uff08<code>app<\/code>\uff09\u4e0a\u8c03\u7528<code>useGlobalPipes<\/code>\u65b9\u6cd5\uff0c\u5e76\u4f20\u9012\u4e00\u4e2a<code>ValidationPipe<\/code>\u5b9e\u4f8b\u4ee5\u53ca\u4e00\u4e2a\u9009\u9879\u5bf9\u8c61\u3002\u9009\u9879\u5bf9\u8c61\u4e2d\u7684<code>whitelist<\/code>\u5c5e\u6027\u88ab\u8bbe\u7f6e\u4e3a<code>true<\/code>\u3002<code>useGlobalPipes<\/code>\u65b9\u6cd5\u5728\u5e94\u7528\u7ea7\u522b\u7ed1\u5b9a<code>ValidationPipe<\/code>\uff0c\u786e\u4fdd\u6240\u6709\u7684\u8def\u7531\u90fd\u53d7\u5230\u4fdd\u62a4\uff0c\u4ee5\u9632\u6b62\u4e0d\u6b63\u786e\u7684\u6570\u636e\u3002\u5c06<code>whitelist<\/code>\u5c5e\u6027\u8bbe\u7f6e\u4e3a<code>true<\/code>\u4f1a\u5265\u79bb\u5df2\u9a8c\u8bc1\uff08\u8fd4\u56de\u7684\uff09\u5bf9\u8c61\u4e2d\u672a\u5728DTO\u4e2d\u6307\u5b9a\u7684\u5c5e\u6027\u3002<\/p>\n<p>\u4fdd\u5b58\u5e76\u5173\u95ed\u6587\u4ef6\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u60a8\u5c06\u628a\u6570\u636e\u4f20\u8f93\u5bf9\u8c61\u5bfc\u5165\u5230<code>url.service.ts<\/code>\u6587\u4ef6\u4e2d\uff0c\u5e76\u5e94\u7528\u5230<code>shortenUrl<\/code>\u65b9\u6cd5\u4e2d\u3002<\/p>\n<h3>\u521b\u5efa\u77ed\u94fe\u63a5\u65b9\u6cd5<\/h3>\n<p>\u7f29\u77ed\u7f51\u5740\u65b9\u6cd5\u5c06\u5904\u7406\u5927\u90e8\u5206\u7684\u7f51\u5740\u7f29\u77ed\u903b\u8f91\u3002\u8be5\u65b9\u6cd5\u5c06\u63a5\u53d7\u4e00\u4e2a\u7c7b\u578b\u4e3a<code>ShortenURLDto<\/code>\u7684\u53c2\u6570<code>url<\/code>\u3002<\/p>\n<p>\u9996\u5148\uff0c\u6253\u5f00\u60a8\u7684<code>src\/url\/url.service.ts<\/code>\u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"$\"><span class=\"token function\">nano<\/span> src\/url\/url.service.ts<\/li><\/ol><\/code><\/pre>\n<p>\u5c06\u4e0b\u9762\u7684\u884c\u6dfb\u52a0\u5230\u6587\u4ef6\u4e2d\u7684\u7a81\u51fa\u663e\u793a\u7684\u90e8\u5206\uff1a<\/p>\n<p><code>src\/url\/url.service.ts<\/code> \u7684\u5185\u5bb9\u5982\u4e0b\uff1a<\/p>\n<pre class=\"post-pre\"><code>import {\r\n  <mark>BadRequestException,<\/mark>\r\n  Injectable,\r\n  <mark>NotFoundException,<\/mark>\r\n  <mark>UnprocessableEntityException,<\/mark>\r\n} from '@nestjs\/common';\r\nimport { Repository } from 'typeorm';\r\nimport { InjectRepository } from '@nestjs\/typeorm';\r\nimport { Url } from '.\/url.entity';\r\n<mark>import { ShortenURLDto } from '.\/dtos\/url.dto';<\/mark>\r\n<mark>import { nanoid } from 'nanoid';<\/mark>\r\n<mark>import { isURL } from 'class-validator';<\/mark>\r\n...\r\n<\/code><\/pre>\n<p>\u9996\u5148\uff0c\u60a8\u4ece <code>@nestjs\/common<\/code> \u4e2d\u5bfc\u5165 <code>NotFoundException<\/code>\u3001<code>BadRequestException<\/code> \u548c <code>UnprocessableEntityException<\/code>\uff0c\u56e0\u4e3a\u60a8\u5c06\u5728\u9519\u8bef\u5904\u7406\u4e2d\u4f7f\u7528\u5b83\u4eec\u3002\u63a5\u4e0b\u6765\uff0c\u60a8\u4ece <code>nanoid<\/code> \u4e2d\u5bfc\u5165 <code>nanoid<\/code>\uff0c\u5e76\u4ece <code>class-validator<\/code> \u4e2d\u5bfc\u5165 <code>isURL<\/code>\u3002<code>isURL<\/code> \u5c06\u7528\u4e8e\u786e\u8ba4\u63d0\u4f9b\u7684 <code>longUrl<\/code> \u662f\u5426\u4e3a\u6709\u6548\u7684 URL\u3002\u6700\u540e\uff0c\u60a8\u4ece <code>.\/dtos\/url.dto<\/code> \u5bfc\u5165 <code>ShortenURLDto<\/code> \u7528\u4e8e\u6570\u636e\u9a8c\u8bc1\u3002<\/p>\n<p>\u7136\u540e\uff0c\u5728\u4e0b\u9762\u7684<code>UrlService<\/code>\u7c7b\u6784\u9020\u51fd\u6570\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n<p><code>src\/url\/url.service.ts<\/code> \u7684\u4e2d\u6587\u7ffb\u8bd1\u5982\u4e0b\uff1a<\/p>\n<pre class=\"post-pre\"><code>...\r\nasync shortenUrl(url: ShortenURLDto) {}\r\n<\/code><\/pre>\n<p>\u7136\u540e\uff0c\u5c06\u4e0b\u9762\u7684\u4ee3\u7801\u6dfb\u52a0\u5230\u60a8\u7684 <code>shortenUrl<\/code> \u65b9\u6cd5\u4e2d\u3002<\/p>\n<p><code>src\/url\/url.service.ts<\/code><\/p>\n<pre class=\"post-pre\"><code>...\r\n    const { longUrl } = url;\r\n\r\n    \/\/ \u68c0\u67e5\u957f\u94fe\u63a5\u662f\u5426\u4e3a\u6709\u6548URL\r\n    if (!isURL(longUrl)) {\r\n      throw new BadRequestException('\u5b57\u7b26\u4e32\u5fc5\u987b\u662f\u6709\u6548\u7684URL');\r\n    }\r\n\r\n    const urlCode = nanoid(10);\r\n    const baseURL = 'http:\/\/localhost:3000';\r\n\r\n    try {\r\n      \/\/ \u68c0\u67e5URL\u662f\u5426\u5df2\u88ab\u7f29\u77ed\r\n      let url = await this.repo.findOneBy({ longUrl });\r\n      \/\/ \u5982\u679c\u5b58\u5728\uff0c\u5219\u76f4\u63a5\u8fd4\u56de\u5176\u77ed\u94fe\u63a5\r\n      if (url) return url.shortUrl;\r\n\r\n      \/\/ \u5982\u679c\u4e0d\u5b58\u5728\uff0c\u5219\u8fdb\u884c\u7f29\u77ed\r\n      const shortUrl = `${baseURL}\/${urlCode}`;\r\n\r\n      \/\/ \u5c06\u65b0\u8bb0\u5f55\u6dfb\u52a0\u5230\u6570\u636e\u5e93\r\n      url = this.repo.create({\r\n        urlCode,\r\n        longUrl,\r\n        shortUrl,\r\n      });\r\n\r\n      this.repo.save(url);\r\n      return url.shortUrl;\r\n    } catch (error) {\r\n      console.log(error);\r\n      throw new UnprocessableEntityException('\u670d\u52a1\u5668\u9519\u8bef');\r\n    }\r\n<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u5757\u4e2d\uff0c\u957f\u94fe\u63a5\uff08<code>longUrl<\/code>\uff09\u4ece<code>url<\/code>\u5bf9\u8c61\u4e2d\u89e3\u6784\u51fa\u6765\u3002\u968f\u540e\uff0c\u4f7f\u7528<code>isURL<\/code>\u65b9\u6cd5\u5bf9<code>longUrl<\/code>\u8fdb\u884c\u6709\u6548\u6027\u68c0\u67e5\u548c\u9a8c\u8bc1\u3002<\/p>\n<p>\u63a5\u7740\uff0c\u4f7f\u7528<code>nanoid<\/code>\u751f\u6210\u4e00\u4e2a<code>urlCode<\/code>\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c<code>nanoid<\/code>\u4f1a\u751f\u6210\u4e00\u4e2a\u753121\u4e2a\u5b57\u7b26\u7ec4\u6210\u7684\u552f\u4e00\u5b57\u7b26\u4e32\u3002\u82e5\u8981\u66f4\u6539\u6b64\u9ed8\u8ba4\u884c\u4e3a\uff0c\u53ef\u5c06\u6240\u9700\u957f\u5ea6\u4f5c\u4e3a\u53c2\u6570\u4f20\u5165\u3002\u5728\u6b64\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f20\u5165\u4e86<code>10<\/code>\uff0c\u4ee5\u4f7fURL\u5c3d\u53ef\u80fd\u77ed\u3002<\/p>\n<p>\u7136\u540e\uff0c\u5b9a\u4e49\u4e86\u57fa\u7840URL\uff08<code>baseURL<\/code>\uff09\u3002\u57fa\u7840URL\u662f\u60a8\u7f51\u7ad9\u5730\u5740\u7684\u7edf\u4e00\u6839\u76ee\u5f55\u3002\u5728\u5f00\u53d1\u73af\u5883\u4e2d\uff0c\u5b83\u901a\u5e38\u662f\u60a8\u7684\u672c\u5730\u4e3b\u673a\u670d\u52a1\u5668\uff1b\u5728\u751f\u4ea7\u73af\u5883\u4e2d\uff0c\u5219\u662f\u60a8\u7684\u57df\u540d\u3002\u672c\u6559\u7a0b\u7684\u793a\u4f8b\u4ee3\u7801\u4f7f\u7528\u4e86<code>localhost<\/code>\u3002<\/p>\n<p>\u4e00\u4e2a<code>try-catch<\/code>\u5757\u5c06\u7528\u4e8e\u5904\u7406\u6240\u6709\u4e0e\u6570\u636e\u5e93\u76f8\u5173\u7684\u9519\u8bef\u3002<\/p>\n<p>\u4e3a\u907f\u514d\u91cd\u590d\u6570\u636e\uff08\u56e0\u4e3a\u540c\u4e00\u4e2aURL\u53ef\u80fd\u4f1a\u88ab\u7f29\u77ed\u591a\u6b21\uff09\uff0c\u4ee3\u7801\u4f1a\u5148\u5728\u6570\u636e\u5e93\u4e2d\u6267\u884c\u67e5\u627e\u67e5\u8be2\uff0c\u5224\u65ad\u8be5URL\u662f\u5426\u5df2\u5b58\u5728\u3002\u5982\u679c\u5b58\u5728\uff0c\u5219\u76f4\u63a5\u8fd4\u56de\u5176\u5bf9\u5e94\u7684\u77ed\u94fe\u63a5\uff1b\u5426\u5219\uff0c\u4ee3\u7801\u5c06\u7ee7\u7eed\u6267\u884c\u7f29\u77ed\u64cd\u4f5c\u3002\u5982\u679c\u5728\u6570\u636e\u5e93\u4e2d\u672a\u627e\u5230\u8be5URL\u8bb0\u5f55\uff0c\u5219\u901a\u8fc7\u62fc\u63a5\u57fa\u7840URL\u548cURL\u4ee3\u7801\u6765\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u77ed\u94fe\u63a5\u3002<\/p>\n<p>\u968f\u540e\uff0c\u4f7f\u7528<code>urlCode<\/code>\u3001<code>longUrl<\/code>\u548c<code>shortUrl<\/code>\u521b\u5efa\u4e00\u4e2aURL\u5b9e\u4f53\u5b9e\u4f8b\u3002\u8c03\u7528<code>repo<\/code>\u7684<code>save<\/code>\u65b9\u6cd5\u5e76\u5c06\u6b64\u5b9e\u4f8b\u4f5c\u4e3a\u53c2\u6570\u4f20\u5165\uff0c\u5373\u53ef\u5c06URL\u5b9e\u4f8b\u4fdd\u5b58\u5230\u6570\u636e\u5e93\u4e2d\u3002\u6700\u540e\uff0c\u8fd4\u56de<code>shortUrl<\/code>\u3002<\/p>\n<p>\u6700\u7ec8\uff0c\u5982\u679c\u53d1\u751f\u9519\u8bef\uff0c\u9519\u8bef\u4fe1\u606f\u5c06\u5728<code>catch<\/code>\u5757\u4e2d\u8bb0\u5f55\u5230\u63a7\u5236\u53f0\uff0c\u5e76\u629b\u51fa\u4e00\u4e2a<code>UnprocessableEntityException<\/code>\u5f02\u5e38\u3002<\/p>\n<p>\u81f3\u6b64\uff0c\u60a8\u7684<code>url.service.ts<\/code>\u6587\u4ef6\u5185\u5bb9\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<div><code>src\/url\/url.service.ts<\/code>\u7684\u4e2d\u6587\u539f\u751f\u91ca\u4e49\uff1a<\/div>\n<pre class=\"post-pre\"><code>import {\r\n  BadRequestException,\r\n  Injectable,\r\n  NotFoundException,\r\n  UnprocessableEntityException,\r\n} from '@nestjs\/common';\r\nimport { Repository } from 'typeorm';\r\nimport { InjectRepository } from '@nestjs\/typeorm';\r\nimport { Url } from '.\/url.entity';\r\nimport { ShortenURLDto } from '.\/dtos\/url.dto';\r\nimport { nanoid } from 'nanoid';\r\nimport { isURL } from 'class-validator';\r\n\r\n@Injectable()\r\nexport class UrlService {\r\n  constructor(\r\n    @InjectRepository(Url)\r\n    private repo: Repository&lt;Url&gt;,\r\n  ) {}\r\n\r\n  async shortenUrl(url: ShortenURLDto) {\r\n    const { longUrl } = url;\r\n\r\n    \/\/ \u68c0\u67e5\u957f\u94fe\u63a5\u662f\u5426\u4e3a\u6709\u6548URL\r\n    if (!isURL(longUrl)) {\r\n      throw new BadRequestException('\u5b57\u7b26\u4e32\u5fc5\u987b\u662f\u6709\u6548\u7684URL');\r\n    }\r\n\r\n    const urlCode = nanoid(10);\r\n    const baseURL = 'http:\/\/localhost:3000';\r\n\r\n    try {\r\n      \/\/ \u68c0\u67e5URL\u662f\u5426\u5df2\u88ab\u7f29\u77ed\r\n      let url = await this.repo.findOneBy({ longUrl });\r\n      \/\/ \u5982\u679c\u5b58\u5728\uff0c\u5219\u76f4\u63a5\u8fd4\u56de\u5176\u77ed\u94fe\u63a5\r\n      if (url) return url.shortUrl;\r\n\r\n      \/\/ \u5982\u679c\u4e0d\u5b58\u5728\uff0c\u5219\u8fdb\u884c\u7f29\u77ed\r\n      const shortUrl = `${baseURL}\/${urlCode}`;\r\n\r\n      \/\/ \u5c06\u65b0\u8bb0\u5f55\u6dfb\u52a0\u5230\u6570\u636e\u5e93\r\n      url = this.repo.create({\r\n        urlCode,\r\n        longUrl,\r\n        shortUrl,\r\n      });\r\n\r\n      this.repo.save(url);\r\n      return url.shortUrl;\r\n    } catch (error) {\r\n      console.log(error);\r\n      throw new UnprocessableEntityException('\u670d\u52a1\u5668\u9519\u8bef');\r\n    }\r\n  }\r\n}\r\n<\/code><\/pre>\n<p>\u4fdd\u5b58\u6587\u4ef6\u3002<\/p>\n<p>\u81f3\u6b64\uff0c\u60a8\u5df2\u8bbe\u7f6e\u4e86URL\u7f29\u77ed\u903b\u8f91\u7684\u7b2c\u4e00\u90e8\u5206\u3002\u63a5\u4e0b\u6765\uff0c\u60a8\u5c06\u5728\u670d\u52a1\u4e2d\u5b9e\u73b0\u91cd\u5b9a\u5411\u65b9\u6cd5\u3002<\/p>\n<h3>\u521b\u5efa\u91cd\u5b9a\u5411\u65b9\u6cd5<\/h3>\n<p>\u91cd\u5b9a\u5411\u65b9\u6cd5\u5c06\u5305\u542b\u5c06\u7528\u6237\u91cd\u5b9a\u5411\u5230\u957fURL\u7684\u903b\u8f91\u3002<\/p>\n<p>\u5728<code>src\/url\/url.service.ts<\/code>\u6587\u4ef6\u4e2d\uff0c\u7ee7\u7eed\u5728<code>UrlService<\/code>\u7c7b\u7684\u5e95\u90e8\u6dfb\u52a0\u4ee5\u4e0b\u4ee3\u7801\uff0c\u4ee5\u5b9e\u73b0\u91cd\u5b9a\u5411\u65b9\u6cd5\uff1a<\/p>\n<div><code>src\/url\/url.service.ts<\/code><\/div>\n<pre class=\"post-pre\"><code>...\r\n  async redirect(urlCode: string) {\r\n    try {\r\n      const url = await this.repo.findOneBy({ urlCode });\r\n      if (url) return url;\r\n    } catch (error) {\r\n      console.log(error);\r\n      throw new NotFoundException('\u8d44\u6e90\u672a\u627e\u5230');\r\n    }\r\n  }\r\n<\/code><\/pre>\n<p>\u91cd\u5b9a\u5411\u65b9\u6cd5\u63a5\u53d7<code>urlCode<\/code>\u4f5c\u4e3a\u53c2\u6570\uff0c\u5e76\u5c1d\u8bd5\u5728\u6570\u636e\u5e93\u4e2d\u67e5\u627e\u5177\u6709\u5339\u914d<code>urlCode<\/code>\u7684\u8d44\u6e90\u3002\u5982\u679c\u8d44\u6e90\u5b58\u5728\uff0c\u5219\u8fd4\u56de\u8be5\u8d44\u6e90\uff1b\u5426\u5219\uff0c\u5c06\u629b\u51fa\u4e00\u4e2a<code>NotFoundException<\/code>\u9519\u8bef\u3002<\/p>\n<p>\u60a8\u6700\u7ec8\u5b8c\u6210\u7684<code>url.service.ts<\/code>\u6587\u4ef6\u73b0\u5728\u770b\u8d77\u6765\u662f\u8fd9\u6837\u7684\uff1a<\/p>\n<div><code>src\/url\/url.service.ts<\/code>\u8fd9\u4e2a\u6587\u4ef6\u662fURL\u670d\u52a1\u7684\u5b9e\u73b0\u3002<\/div>\n<p>\u8fd9\u662f\u6587\u7ae0\u300a\u5982\u4f55\u4f7f\u7528NestJS\u5728NodeJS\u4e2d\u6784\u5efa\u4e00\u4e2a\u7c7b\u578b\u5b89\u5168\u7684URL\u7f29\u77ed\u5668\u300b\u7684\u7b2c7\u90e8\u5206\uff08\u51718\u90e8\u5206\uff09\u3002<\/p>\n<pre class=\"post-pre\"><code>import {<br>  BadRequestException,<br>  Injectable,<br>  NotFoundException,<br>  UnprocessableEntityException,<br>} from '@nestjs\/common';<br>import { Repository } from 'typeorm';<br>import { InjectRepository } from '@nestjs\/typeorm';<br>import { Url } from '.\/url.entity';<br>import { ShortenURLDto } from '.\/dtos\/url.dto';<br>import { nanoid } from 'nanoid';<br>import { isURL } from 'class-validator';<br><br>@Injectable()<br>export class UrlService {<br>  constructor(<br>    @InjectRepository(Url)<br>    private repo: Repository&lt;Url&gt;,<br>  ) {}<br><br>  async shortenUrl(url: ShortenURLDto) {<br>    const { longUrl } = url;<br><br>    \/\/ \u68c0\u67e5 longUrl \u662f\u5426\u4e3a\u6709\u6548 URL<br>    if (!isURL(longUrl)) {<br>      throw new BadRequestException('\u5b57\u7b26\u4e32\u5fc5\u987b\u662f\u6709\u6548\u7684URL');<br>    }<br><br>    const urlCode = nanoid(10);<br>    const baseURL = 'http:\/\/localhost:3000';<br><br>    try {<br>      \/\/ \u68c0\u67e5 URL \u662f\u5426\u5df2\u88ab\u7f29\u77ed<br>      let url = await this.repo.findOneBy({ longUrl });<br>      \/\/ \u5982\u679c\u5b58\u5728\uff0c\u5219\u76f4\u63a5\u8fd4\u56de<br>      if (url) return url.shortUrl;<br><br>      \/\/ \u5982\u679c\u4e0d\u5b58\u5728\uff0c\u5219\u8fdb\u884c\u7f29\u77ed<br>      const shortUrl = `${baseURL}\/${urlCode}`;<br><br>      \/\/ \u5c06\u65b0\u8bb0\u5f55\u6dfb\u52a0\u5230\u6570\u636e\u5e93<br>      url = this.repo.create({<br>        urlCode,<br>        longUrl,<br>        shortUrl,<br>      });<br><br>      this.repo.save(url);<br>      return url.shortUrl;<br>    } catch (error) {<br>      console.log(error);<br>      throw new UnprocessableEntityException('\u670d\u52a1\u5668\u9519\u8bef');<br>    }<br>  }<br><br>  async redirect(urlCode: string) {<br>    try {<br>      const url = await this.repo.findOneBy({ urlCode });<br>      if (url) return url;<br>    } catch (error) {<br>      console.log(error);<br>      throw new NotFoundException('\u8d44\u6e90\u672a\u627e\u5230');<br>    }<br>  }<br>}<br><\/code><\/pre>\n<p>\u4fdd\u5b58\u5e76\u5173\u95ed\u6587\u4ef6\u3002<\/p>\n<p>\u81f3\u6b64\uff0c\u60a8\u7684URL\u7f29\u77ed\u903b\u8f91\u5df2\u5b8c\u6210\uff0c\u5b83\u5305\u542b\u4e24\u4e2a\u6838\u5fc3\u65b9\u6cd5\uff1a\u4e00\u4e2a\u7528\u4e8eURL\u7f29\u77ed\uff0c\u53e6\u4e00\u4e2a\u7528\u4e8e\u5c06\u7f29\u77ed\u7684URL\u91cd\u5b9a\u5411\u5230\u539f\u59cbURL\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u60a8\u5c06\u5728\u63a7\u5236\u5668\u7c7b\u4e2d\u5b9e\u73b0\u8fd9\u4e24\u79cd\u65b9\u6cd5\u7684\u8def\u7531\u5904\u7406\u7a0b\u5e8f\u3002<\/p>\n<h2>\u7b2c\u56db\u6b65 &#8211; \u5b9e\u65bd\u63a7\u5236\u5668\u903b\u8f91<\/h2>\n<p>\u5728\u672c\u6b65\u9aa4\u4e2d\uff0c\u60a8\u5c06\u521b\u5efa\u4e24\u4e2a\u8def\u7531\u5904\u7406\u7a0b\u5e8f\uff1a\u4e00\u4e2aPOST\u8def\u7531\u5904\u7406\u7a0b\u5e8f\u7528\u4e8e\u5904\u7406\u7f29\u77ed\u8bf7\u6c42\uff0c\u4e00\u4e2aGET\u8def\u7531\u5904\u7406\u7a0b\u5e8f\u7528\u4e8e\u5904\u7406\u91cd\u5b9a\u5411\u8bf7\u6c42\u3002<\/p>\n<p>\u5728\u63a7\u5236\u5668\u7c7b\u4e2d\u5b9e\u73b0\u8def\u7531\u4e4b\u524d\uff0c\u60a8\u5fc5\u987b\u5c06\u670d\u52a1\u6ce8\u5165\u5230\u63a7\u5236\u5668\u4e2d\u3002<\/p>\n<p>\u9996\u5148\uff0c\u6253\u5f00\u60a8\u7684 <code>src\/url\/url.controller.ts<\/code> \u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"$\"><span class=\"token function\">nano<\/span> src\/url\/url.controller.ts<\/li><\/ol><\/code><\/pre>\n<p>\u5c06\u4ee5\u4e0b\u9ad8\u4eae\u884c\u6dfb\u52a0\u5230\u6587\u4ef6\u4e2d\uff1a<\/p>\n<p><code>src\/url\/url.controller.ts<\/code> \u6587\u4ef6\u5185\u5bb9\uff1a<\/p>\n<pre class=\"post-pre\"><code>import { Controller } from '@nestjs\/common';<br><mark>import { UrlService } from '.\/url.service';<\/mark><br><br>@Controller('url')<br>export class UrlController {<br>  <mark>constructor(private service: UrlService) {}<\/mark><br>}<br><\/code><\/pre>\n<p>\u9996\u5148\uff0c\u60a8\u4ece <code>.\/url.service<\/code> \u5bfc\u5165 <code>UrlService<\/code>\u3002\u7136\u540e\uff0c\u5728\u60a8\u7684\u63a7\u5236\u5668\u7c7b\u4e2d\uff0c\u60a8\u58f0\u660e\u4e00\u4e2a\u6784\u9020\u51fd\u6570\u5e76\u521d\u59cb\u5316\u4e00\u4e2a\u79c1\u6709\u53d8\u91cf <code>service<\/code> \u4f5c\u4e3a\u53c2\u6570\uff0c\u5e76\u5c06\u5176\u7c7b\u578b\u6307\u5b9a\u4e3a <code>UrlService<\/code>\u3002<\/p>\n<p><code>@Controller<\/code> \u88c5\u9970\u5668\u5f53\u524d\u6709\u4e00\u4e2a\u540d\u4e3a <code>'url'<\/code> \u7684\u5b57\u7b26\u4e32\u4f5c\u4e3a\u53c2\u6570\uff0c\u8fd9\u610f\u5473\u7740\u8be5\u63a7\u5236\u5668\u53ea\u80fd\u5904\u7406\u53d1\u9001\u5230 <code>localhost:3000\/url\/<\/code> \u8def\u7531\u7684\u8bf7\u6c42\u3002\u7531\u4e8e\u8fd9\u79cd\u884c\u4e3a\uff0cURL\u7f29\u77ed\u903b\u8f91\u4e2d\u51fa\u73b0\u4e86\u4e00\u4e2a\u9519\u8bef\uff1a\u7f29\u77ed\u7684URL\u5305\u542b\u4e00\u4e2a\u57fa\u672cURL\uff08<code>localhost:3000<\/code>\uff09\u548c\u4e00\u4e2aURL\u4ee3\u7801\uff08\u4f8b\u5982 <code>wyt4_uyP-Il<\/code>\uff09\uff0c\u5b83\u4eec\u7ec4\u5408\u8d77\u6765\u5f62\u6210\u4e86\u65b0\u7684URL\uff08\u4f8b\u5982 <code>localhost:3000\/wyt4_uyP-Il<\/code>\uff09\u3002\u56e0\u6b64\uff0c\u8be5\u63a7\u5236\u5668\u65e0\u6cd5\u5904\u7406\u8fd9\u4e9b\u8bf7\u6c42\uff0c\u7f29\u77ed\u94fe\u63a5\u5c06\u8fd4\u56de <code>404 Not Found<\/code> \u9519\u8bef\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u8bf7\u4ece <code>@Controller<\/code> \u88c5\u9970\u5668\u4e2d\u79fb\u9664 <code>'url'<\/code> \u53c2\u6570\uff0c\u5e76\u4e3a\u6bcf\u4e2a\u5904\u7406\u7a0b\u5e8f\u5b9e\u73b0\u5404\u81ea\u7684\u8def\u7531\u3002<\/p>\n<p>\u5728\u60a8\u79fb\u9664 <code>'url'<\/code> \u53c2\u6570\u540e\uff0c\u60a8\u7684 <code>UrlController<\/code> \u5c06\u53d8\u4e3a\uff1a<\/p>\n<p><code>src\/url\/url.controller.ts<\/code> \u6587\u4ef6\u5185\u5bb9\uff1a<\/p>\n<pre class=\"post-pre\"><code><mark>@Controller()<\/mark><br>export class UrlController {<br>  constructor(private service: UrlService) {}<br>}<br><\/code><\/pre>\n<p>\u4ecd\u5728 <code>src\/url\/url.controller.ts<\/code> \u6587\u4ef6\u4e2d\uff0c\u5c06\u9ad8\u4eae\u9879\u6dfb\u52a0\u5230\u5bfc\u5165\u8bed\u53e5\u4e2d\uff1a<\/p>\n<p><code>src\/url\/url.controller.ts<\/code> \u6587\u4ef6\u5185\u5bb9\uff1a<\/p>\n<pre class=\"post-pre\"><code>import { <mark>Body,<\/mark> Controller, <mark>Get, Param, Post, Res<\/mark> } from '@nestjs\/common';<br>import { UrlService } from '.\/url.service';<br><mark>import { ShortenURLDto } from '.\/dtos\/url.dto';<\/mark><br><\/code><\/pre>\n<p>\u60a8\u4ece <code>@nestjs\/common<\/code> \u4e2d\u5bfc\u5165\u4e86 <code>Body<\/code>\u3001<code>Get<\/code>\u3001<code>Param<\/code>\u3001<code>Post<\/code> \u548c <code>Res<\/code>\uff0c\u4ee5\u53ca\u4ece <code>.\/dtos\/url.dto<\/code> \u4e2d\u5bfc\u5165\u4e86 <code>ShortenURLDto<\/code>\u3002\u5f53\u60a8\u5728\u6b64\u6587\u4ef6\u4e2d\u6dfb\u52a0\u65f6\uff0c\u8fd9\u4e9b\u88c5\u9970\u5668\u5c06\u8fdb\u4e00\u6b65\u5b9a\u4e49\u3002<\/p>\n<p>\u7136\u540e\uff0c\u5728\u6784\u9020\u51fd\u6570\u4e0b\u65b9\u5c06\u4ee5\u4e0b\u4ee3\u7801\u6dfb\u52a0\u5230 <code>UrlController<\/code> \u4e2d\u4ee5\u5b9a\u4e49POST\u8def\u7531\u5904\u7406\u7a0b\u5e8f\uff1a<\/p>\n<p><code>src\/url\/url.controller.ts<\/code> \u6587\u4ef6\u5185\u5bb9\uff1a<\/p>\n<pre class=\"post-pre\"><code>...<br>  @Post('shorten')<br>  shortenUrl(<br>    @Body()<br>    url: ShortenURLDto,<br>  ) {<br>    return this.service.shortenUrl(url);<br>  }<br><\/code><\/pre>\n<p>\u60a8\u521b\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3a <code>shortenUrl<\/code> \u7684\u65b9\u6cd5\uff0c\u5b83\u5e26\u6709\u4e00\u4e2a\u7c7b\u578b\u4e3a <code>ShortenURLDto<\/code> \u7684 <code>url<\/code> \u53c2\u6570\u3002\u901a\u8fc7\u4f7f\u7528 <code>@Body<\/code> \u88c5\u9970\u5668\u5bf9 <code>url<\/code> \u8fdb\u884c\u6ce8\u91ca\uff0c\u53ef\u4ee5\u4ece\u8bf7\u6c42\u5bf9\u8c61\u4e2d\u63d0\u53d6\u8bf7\u6c42\u4f53\u5e76\u5c06\u5176\u503c\u586b\u5145\u5230 <code>url<\/code> \u53d8\u91cf\u4e2d\u3002<\/p>\n<p>\u7136\u540e\uff0c\u60a8\u4f7f\u7528 <code>@Post<\/code> \u88c5\u9970\u5668\u5bf9\u6574\u4e2a\u65b9\u6cd5\u8fdb\u884c\u6ce8\u89e3\uff0c\u5e76\u5c06 <code>'shorten'<\/code> \u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u3002\u8be5\u5904\u7406\u7a0b\u5e8f\u5c06\u5904\u7406\u53d1\u9001\u5230 <code>localhost:&lt;\u7aef\u53e3&gt;\/shorten<\/code> \u7684\u6240\u6709POST\u8bf7\u6c42\u3002\u63a5\u7740\uff0c\u60a8\u8c03\u7528\u670d\u52a1\u4e0a\u7684 <code>shortenUrl<\/code> \u65b9\u6cd5\uff0c\u5e76\u5c06 <code>url<\/code> \u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u5728POST\u8def\u7531\u4e0b\u65b9\u6dfb\u52a0\u4ee5\u4e0b\u4ee3\u7801\u6765\u5b9a\u4e49\u7528\u4e8e\u91cd\u5b9a\u5411\u7684GET\u8def\u7531\u5904\u7406\u7a0b\u5e8f\uff1a<\/p>\n<p><code>src\/url\/url.controller.ts<\/code> \u6587\u4ef6\u5185\u5bb9\uff1a<\/p>\n<pre class=\"post-pre\"><code>...<br>  @Get(':code')<br>  async redirect(<br>    @Res() res,<br>    @Param('code')<br>    code: string,<br>  ) {<br>    const url = await this.service.redirect(code);<br><br>    return res.redirect(url.longUrl);<br>  }<br><\/code><\/pre>\n<p>\u60a8\u521b\u5efa\u4e86\u4e00\u4e2a\u5e26\u6709\u4e24\u4e2a\u53c2\u6570\u7684 <code>redirect<\/code> \u65b9\u6cd5\uff1a\u4e00\u4e2a\u88ab <code>@Res<\/code> \u88c5\u9970\u5668\u6ce8\u91ca\u7684 <code>res<\/code>\uff0c\u4e00\u4e2a\u88ab <code>@Param<\/code> \u88c5\u9970\u5668\u6ce8\u91ca\u7684 <code>code<\/code>\u3002<code>@Res<\/code> \u88c5\u9970\u5668\u5c06\u5176\u6ce8\u91ca\u7684\u7c7b\u8f6c\u6362\u4e3aExpress\u54cd\u5e94\u5bf9\u8c61\uff0c\u5141\u8bb8\u60a8\u4f7f\u7528\u7279\u5b9a\u5e93\u7684\u547d\u4ee4\uff0c\u4f8b\u5982Express\u7684\u91cd\u5b9a\u5411\u65b9\u6cd5\u3002<code>@Param<\/code> \u88c5\u9970\u5668\u4ece\u8bf7\u6c42\u5bf9\u8c61\u4e2d\u63d0\u53d6\u53c2\u6570\u5c5e\u6027\uff0c\u5e76\u5c06\u5176\u503c\u586b\u5145\u5230\u88ab\u88c5\u9970\u7684\u53c2\u6570\u4e2d\u3002<\/p>\n<p>\u60a8\u4f7f\u7528 <code>@Get<\/code> \u88c5\u9970\u5668\u5bf9 <code>redirect<\/code> \u65b9\u6cd5\u8fdb\u884c\u6ce8\u91ca\uff0c\u5e76\u4f20\u9012\u4e00\u4e2a\u901a\u914d\u7b26\u53c2\u6570 <code>':code'<\/code>\u3002\u7136\u540e\u60a8\u5c06 <code>'code'<\/code> \u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9 <code>@Param<\/code> \u88c5\u9970\u5668\u3002<\/p>\n<p>\u63a5\u7740\uff0c\u60a8\u5728\u670d\u52a1\u4e0a\u8c03\u7528 <code>redirect<\/code> \u65b9\u6cd5\uff0c\u7b49\u5f85\u7ed3\u679c\uff0c\u5e76\u5c06\u5176\u5b58\u50a8\u5728\u53d8\u91cf <code>url<\/code> \u4e2d\u3002<\/p>\n<p>\u6700\u540e\uff0c\u60a8\u8fd4\u56de <code>res.redirect()<\/code> \u5e76\u4f20\u9012 <code>url.longUrl<\/code> \u4f5c\u4e3a\u53c2\u6570\u3002\u8fd9\u4e2a\u65b9\u6cd5\u5c06\u5904\u7406\u53d1\u9001\u5230 <code>localhost:&lt;\u7aef\u53e3&gt;\/code<\/code> \u7684GET\u8bf7\u6c42\uff0c\u4e5f\u5c31\u662f\u60a8\u7684\u7f29\u77ed\u7f51\u5740\u3002<\/p>\n<p>\u60a8\u7684 <code>src\/url\/url.controller.ts<\/code> \u6587\u4ef6\u73b0\u5728\u5c06\u770b\u8d77\u6765\u50cf\u8fd9\u6837\uff1a<\/p>\n<\/div>\n<p>\u8fd9\u662f\u6587\u7ae0\u300a\u5982\u4f55\u4f7f\u7528NestJS\u5728NodeJS\u4e2d\u6784\u5efa\u4e00\u4e2a\u7c7b\u578b\u5b89\u5168\u7684URL\u7f29\u77ed\u5668\u300b\u7684\u7b2c8\u90e8\u5206\uff08\u51718\u90e8\u5206\uff09\u3002<\/p>\n<pre class=\"post-pre\"><code>import { Body, Controller, Get, Param, Post, Res } from '@nestjs\/common';\r\nimport { UrlService } from '.\/url.service';\r\nimport { ShortenURLDto } from '.\/dtos\/url.dto';\r\n\r\n@Controller()\r\nexport class UrlController {\r\n  constructor(private service: UrlService) {}\r\n\r\n  @Post('shorten')\r\n  shortenUrl(\r\n    @Body()\r\n    url: ShortenURLDto,\r\n  ) {\r\n    return this.service.shortenUrl(url);\r\n  }\r\n\r\n  @Get(':code')\r\n  async redirect(\r\n    @Res() res,\r\n    @Param('code')\r\n    code: string,\r\n  ) {\r\n    const url = await this.service.redirect(code);\r\n\r\n    return res.redirect(url.longUrl);\r\n  }\r\n}\r\n<\/code><\/pre>\n<p>\u4fdd\u5b58\u5e76\u5173\u95ed\u6587\u4ef6\u3002<\/p>\n<p>\u73b0\u5728\uff0c\u60a8\u5df2\u7ecf\u5b9a\u4e49\u4e86\u60a8\u7684POST\u548cGET\u8def\u7531\u5904\u7406\u7a0b\u5e8f\uff0c\u60a8\u7684URL\u7f29\u77ed\u5668\u529f\u80fd\u5df2\u7ecf\u5b8c\u5168\u53ef\u7528\u3002\u5728\u4e0b\u4e00\u6b65\u4e2d\uff0c\u60a8\u5c06\u5bf9\u5176\u8fdb\u884c\u6d4b\u8bd5\u3002<\/p>\n<h2>\u6b65\u9aa4\u4e94 \u2014 \u6d4b\u8bd5URL\u7f29\u77ed\u670d\u52a1<\/h2>\n<p>\u5728\u8fd9\u4e2a\u6b65\u9aa4\u4e2d\uff0c\u60a8\u5c06\u6d4b\u8bd5\u5728\u4e4b\u524d\u6b65\u9aa4\u4e2d\u5b9a\u4e49\u7684URL\u7f29\u77ed\u5de5\u5177\u3002<\/p>\n<p>\u9996\u5148\uff0c\u901a\u8fc7\u8fd0\u884c\u7a0b\u5e8f\u6765\u542f\u52a8\u60a8\u7684\u5e94\u7528\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"$\"><span class=\"token function\">npm<\/span> run start\r\n<\/li><\/ol>\r\n<\/code><\/pre>\n<p>\u60a8\u5c06\u4f1a\u770b\u5230\u5982\u4e0b\u8f93\u51fa\uff1a<\/p>\n<pre class=\"post-pre\"><code><div class=\"secondary-code-label\" title=\"Output\">Output<\/div>[Nest] 12640  - 06\/08\/2022, 16:20:04     LOG [NestFactory] Starting Nest application...\r\n[Nest] 12640  - 06\/08\/2022, 16:20:07     LOG [InstanceLoader] AppModule dependencies initialized +2942ms\r\n[Nest] 12640  - 06\/08\/2022, 16:20:07     LOG [InstanceLoader] TypeOrmModule dependencies initialized +1ms\r\n[Nest] 12640  - 06\/08\/2022, 16:20:08     LOG [InstanceLoader] TypeOrmCoreModule dependencies initialized +257ms\r\n[Nest] 12640  - 06\/08\/2022, 16:20:08     LOG [InstanceLoader] TypeOrmModule dependencies initialized +2ms\r\n[Nest] 12640  - 06\/08\/2022, 16:20:08     LOG [InstanceLoader] UrlModule dependencies initialized +4ms\r\n[Nest] 12640  - 06\/08\/2022, 16:20:08     LOG [RoutesResolver] UrlController {\/}: +68ms\r\n[Nest] 12640  - 06\/08\/2022, 16:20:08     LOG [RouterExplorer] Mapped {\/shorten, POST} route +7ms\r\n[Nest] 12640  - 06\/08\/2022, 16:20:08     LOG [RouterExplorer] Mapped {\/:code, GET} route +2ms\r\n[Nest] 12640  - 06\/08\/2022, 16:20:08     LOG [NestApplication] Nest application successfully started +7ms\r\n<\/code><\/pre>\n<p>\u6253\u5f00\u4e00\u4e2a\u65b0\u7684\u7ec8\u7aef\uff0c\u4f7f\u7528curl\u6216\u60a8\u559c\u6b22\u7684API\u6d4b\u8bd5\u5de5\u5177\uff0c\u5411<code>http:\/\/localhost:3000\/shorten<\/code>\u53d1\u51faPOST\u8bf7\u6c42\uff0c\u4f7f\u7528\u4e0b\u9762\u7684\u6570\u636e\u6216\u4efb\u610f\u60a8\u9009\u62e9\u7684\u6570\u636e\u3002\u6709\u5173\u4f7f\u7528curl\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u53c2\u9605\u672c\u6559\u7a0b\u4e2d\u7684\u63cf\u8ff0\u3002<\/p>\n<p>\u8fd0\u884c\u8fd9\u4e2a\u547d\u4ee4\u8fdb\u884c\u4e00\u4e2a\u793a\u4f8b\u7684POST\u8bf7\u6c42\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"$\"><span class=\"token function\">curl<\/span> <span class=\"token parameter variable\">-d<\/span> <span class=\"token string\">\"{<span class=\"token entity\" title=\"&quot;\">\"<\/span>longUrl<span class=\"token entity\" title=\"&quot;\">\"<\/span>:<span class=\"token entity\" title=\"&quot;\">\"<\/span>http:\/\/llanfairpwllgwyngyllgogerychwyrndrobwllllantysiliogogogoch.co.uk<span class=\"token entity\" title=\"&quot;\">\"<\/span>}\"<\/span> <span class=\"token parameter variable\">-H<\/span> <span class=\"token string\">\"Content-Type: application\/json\"<\/span> http:\/\/localhost:3000\/shorten\r\n<\/li><\/ol>\r\n<\/code><\/pre>\n<p>\u4f7f\u7528<code>-d<\/code>\u6807\u5fd7\u6ce8\u518cHTTP POST\u8bf7\u6c42\u6570\u636e\uff0c\u5e76\u4f7f\u7528<code>-H<\/code>\u6807\u5fd7\u8bbe\u7f6eHTTP\u8bf7\u6c42\u7684\u5934\u90e8\u3002\u8fd0\u884c\u6b64\u547d\u4ee4\u5c06\u5411\u60a8\u7684\u5e94\u7528\u7a0b\u5e8f\u53d1\u9001\u957f\u7f51\u5740\u5e76\u8fd4\u56de\u4e00\u4e2a\u7f29\u77ed\u7684URL\u3002<\/p>\n<p>\u60a8\u5c06\u6536\u5230\u4e00\u4e2a\u77ed\u94fe\u63a5\u4f5c\u4e3a\u56de\u590d\uff0c\u4f8b\u5982\u4e0b\u9762\u8fd9\u4e2a\u4f8b\u5b50\uff1a<\/p>\n<pre class=\"post-pre\"><code>http:\/\/localhost:3000\/MWBNHDiloW\r\n<\/code><\/pre>\n<p>\u6700\u540e\uff0c\u590d\u5236\u77ed\u7f51\u5740\u5e76\u5c06\u94fe\u63a5\u7c98\u8d34\u5230\u6d4f\u89c8\u5668\u4e2d\uff0c\u7136\u540e\u6309\u4e0b\u56de\u8f66\u952e\u3002\u60a8\u5c06\u88ab\u91cd\u5b9a\u5411\u5230\u539f\u59cb\u8d44\u6e90\u3002<\/p>\n<h2>\u7ed3\u8bba<\/h2>\n<p>\u5728\u672c\u6587\u4e2d\uff0c\u60a8\u4f7f\u7528NestJS\u521b\u5efa\u4e86\u4e00\u4e2aURL\u7f29\u77ed\u5de5\u5177\u3002\u5982\u679c\u60a8\u6dfb\u52a0\u4e00\u4e2a\u524d\u7aef\u754c\u9762\uff0c\u5c31\u53ef\u4ee5\u5c06\u5176\u90e8\u7f72\u4f9b\u516c\u4f17\u4f7f\u7528\u3002\u60a8\u53ef\u4ee5\u5728Github\u4e0a\u67e5\u770b\u5b8c\u6574\u7684\u9879\u76ee\u3002<\/p>\n<p>NestJS \u63d0\u4f9b\u4e86\u7c7b\u578b\u5b89\u5168\u548c\u67b6\u6784\uff0c\u4f7f\u60a8\u7684\u5e94\u7528\u7a0b\u5e8f\u66f4\u52a0\u5b89\u5168\u3001\u53ef\u7ef4\u62a4\u548c\u53ef\u6269\u5c55\u3002\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u8bbf\u95ee NestJS \u7684\u5b98\u65b9\u6587\u6863\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f15\u8a00 URL\u662fUniform Resource Locator\u7684\u7f29\u5199\uff0c\u5b83\u662f\u5206\u914d\u7ed9\u7f51\u7edc\u4e0a\u72ec\u7279\u8d44\u6e90\u7684\u5730\u5740\u3002\u7531\u4e8eUR [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[688,642,689,690,691],"class_list":["post-165","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-nestjs","tag-node-js","tag-url","tag-690","tag-691"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>NestJS\u5b9e\u6218\uff1a\u6784\u5efa\u9ad8\u6027\u80fd\u7c7b\u578b\u5b89\u5168\u7684Node.js\u77ed\u94fe\u63a5\u670d\u52a1 - Blog - Silicon Cloud<\/title>\n<meta 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