{"id":47948,"date":"2023-06-18T19:43:10","date_gmt":"2024-03-07T17:24:22","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%88%91%e5%9c%a8aws-cdk%e4%b8%ad%e5%b0%9d%e8%af%95%e6%90%ad%e5%bb%ba%e4%ba%86appsync%e3%80%82\/"},"modified":"2024-04-30T09:31:56","modified_gmt":"2024-04-30T01:31:56","slug":"%e6%88%91%e5%9c%a8aws-cdk%e4%b8%ad%e5%b0%9d%e8%af%95%e6%90%ad%e5%bb%ba%e4%ba%86appsync%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%88%91%e5%9c%a8aws-cdk%e4%b8%ad%e5%b0%9d%e8%af%95%e6%90%ad%e5%bb%ba%e4%ba%86appsync%e3%80%82\/","title":{"rendered":"\u6211\u5728AWS CDK\u4e2d\u5c1d\u8bd5\u642d\u5efa\u4e86AppSync"},"content":{"rendered":"<p>\u672c\u6587\u662f\u5f25\u751f Advent Calendar 2022 \u7684\u7b2c18\u7bc7\u6587\u7ae0\u3002<\/p>\n<p>\u4f60\u597d\uff0c\u6211\u662f\u6c38\u91ce\uff0c\u4e00\u4f4d\u4e8e2022\u5e747\u6708\u5165\u804c\u7684\u540e\u7aef\u5de5\u7a0b\u5e08\u3002<\/p>\n<p>\u6211\u60f3\u4ecb\u7ecd\u4e00\u4e0b\u5f25\u751f\u516c\u53f8\u7684\u5de5\u7a0b\u5e08\u56e2\u961f\uff0c\u4ed6\u4eec\u6b63\u5728\u4f7f\u7528AWS CDK\u8fdb\u884cAppSync\u7684\u6784\u5efa\u548c\u9a8c\u8bc1\u3002<\/p>\n<p>\u53e6\u5916\uff0c\u672c\u6b21\u5c07\u7565\u904e\u5c0d\u65bcAWS CDK\u3001AppSync\u548cGraphQL\u7684\u89e3\u91cb\u3002\u539f\u56e0\u662f\u5df2\u7d93\u6709\u5f88\u591a\u8a73\u7d30\u7684\u6587\u7ae0\u5b58\u5728\u65bc\u4e16\u754c\u4e2d\uff0c\u800c\u4e14\u6211\u672c\u8eab\u5be6\u969b\u4e0a\u4e5f\u662f\u7b2c\u4e00\u6b21\u63a5\u89f8\u4e0a\u8ff0\u6280\u8853\uff0c\u6240\u4ee5\u6309\u7167\u300c\u77e5\u884c\u5408\u4e00\u300d\u7684\u539f\u5247\uff0c\u6211\u5011\u4e3b\u8981\u8457\u91cd\u65bc\u5be6\u969b\u52d5\u624b\u64cd\u4f5c\u3002<\/p>\n<h1>\u5de5\u7a0b\u5e08\u56e2\u961f\u662f<\/h1>\n<p>\u8fd9\u662f\u4e00\u4e2a\u7528\u4e8e\u79ef\u7d2f\u548c\u5171\u4eab\u6280\u672f\u4fe1\u606f\u548c\u4e13\u4e1a\u77e5\u8bc6\uff0c\u5e76\u57f9\u517b\u5de5\u7a0b\u5e08\u7684\u865a\u62df\u56e2\u961f\u3002\u6211\u4eec\u6bcf\u5468\u4e09\u8fdb\u884c\u5927\u7ea62\u81f33\u5c0f\u65f6\u7684\u6d3b\u52a8\u3002<\/p>\n<p>\u6d3b\u52a8\u5185\u5bb9\u7531\u6bcf\u4e2a\u5c0f\u7ec4\u51b3\u5b9a\u3002\u5728\u6211\u53c2\u52a0\u7684\u5c0f\u7ec4\u4e2d\uff0c\u6700\u8fd1\u7684\u76ee\u6807\u662f\u63d0\u5347AWS\u6280\u80fd\uff0c\u6bcf\u4e2a\u4eba\u90fd\u8fdb\u884c\u5b9e\u8df5\u64cd\u4f5c\uff0c\u8c03\u67e5\u548c\u9a8c\u8bc1\u5404\u79cd\u670d\u52a1\uff0c\u5e76\u5206\u4eab\u548c\u4ea4\u6d41\u7ed3\u679c\u548c\u610f\u89c1\u3002<\/p>\n<p>\u987a\u4fbf\u8bf4\u4e00\u4e0b\uff0c\u4e0d\u4ec5\u9650\u4e8e\u8fd9\u9879\u6d3b\u52a8\uff0c\u5f25\u751f\u516c\u53f8\u53ef\u4ee5\u7533\u8bf7\u4f7f\u7528AWS\u5b66\u4e60\u73af\u5883\uff0c\u8fd9\u6837\u60a8\u53ef\u4ee5\u65e0\u9700\u62c5\u5fc3AWS\u4f7f\u7528\u6210\u672c\uff0c\u7ee7\u7eed\u8fdb\u884c\u81ea\u5b66\u3002<\/p>\n<h1>\u8fd9\u6b21\u8981\u5b9e\u65bd\u7684\u5185\u5bb9<\/h1>\n<p>\u6211\u5011\u5c07\u4f7f\u7528 AppSync \u5be6\u65bd\u4e00\u500b\u5177\u6709\u4ee5\u4e0b\u5169\u500b\u547d\u4ee4\u7684 GraphQL API\u3002<\/p>\n<h4>1. \u901a\u8fc7ISBN\u6dfb\u52a0\u56fe\u4e66\u7684\u64cd\u4f5c<\/h4>\n<p>\u4f7f\u7528Google Books API\u901a\u8fc7\u53d1\u9001\u7684ISBN\u7801\u6765\u83b7\u53d6\u56fe\u4e66\u4fe1\u606f\uff0c\u5e76\u5c06\u5176\u5b58\u50a8\u5230DynamoDB\u4e2d\u7684\u64cd\u4f5c\u3002\u4f7f\u7528Lambda\u4f5c\u4e3a\u6570\u636e\u6e90\uff0c\u5728LambdaHandler\u4e2d\u8fdb\u884c\u5fc5\u8981\u7684\u5904\u7406\u3002<\/p>\n<h4>2. \u6240\u6709\u56fe\u4e66\u67e5\u8be2<\/h4>\n<p>\u4eceDynamoDB\u83b7\u53d6\u5df2\u6ce8\u518c\u7684\u6240\u6709\u56fe\u4e66\u6570\u636e\u7684\u547d\u4ee4\u3002<br \/>\n\u4f7f\u7528DynamoDB\u4f5c\u4e3a\u6570\u636e\u6e90\uff0c\u5728AppSync\u4e0a\u76f4\u63a5\u83b7\u53d6\u6570\u636e\u5e76\u8fd4\u56de\u7ed9\u8c03\u7528\u8005\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d81e4913a08637a6ae4f4\/14-0.png\" alt=\"AppSyncDemo.png\" \/><\/div>\n<h1>\u4e8b\u524d\u51c6\u5907<\/h1>\n<p>\u6309\u7167AWS CDK\u7684\u5165\u95e8\u6307\u5357\u6240\u8ff0\uff0c\u4f7f\u7528CDK\u9700\u8981\u9884\u5148\u5b89\u88c5AWS CLI\u548cNode.JS\u3002\u7531\u4e8e\u6211\u4eec\u5c06\u5728Windows\u673a\u5668\u4e0a\u8fdb\u884c\u5f00\u53d1\uff0c\u56e0\u6b64\u6211\u4eec\u5c06\u4f7f\u7528\u9002\u7528\u4e8eWindows\u7684\u5305\u7ba1\u7406\u5668Winget\u8fdb\u884c\u5b89\u88c5\u3002<\/p>\n<h2>\u5b89\u88c5Node.JS<\/h2>\n<pre class=\"post-pre\"><code><span class=\"n\">winget<\/span> <span class=\"nx\">install<\/span> <span class=\"nt\">-e<\/span> <span class=\"nt\">--id<\/span> <span class=\"nx\">OpenJS.NodeJS.LTS<\/span>\r\n<\/code><\/pre>\n<h2>\u5b89\u88c5 AWS CLI\u3002<\/h2>\n<pre class=\"post-pre\"><code><span class=\"n\">winget<\/span> <span class=\"nx\">install<\/span> <span class=\"nt\">-e<\/span> <span class=\"nt\">--id<\/span> <span class=\"nx\">Amazon.AWSCLI<\/span>\r\n<\/code><\/pre>\n<p>\u8a8d\u8a3c\u4fe1\u606f\u4f1a\u4f7f\u7528\u5e26\u540d\u79f0\u7684\u914d\u7f6e\u6587\u4ef6\u8fdb\u884c\u4fdd\u5b58\u3002<br \/>\n\u53e6\u5916\uff0c\u7531\u4e8e\u672c\u6b21\u4f7f\u7528AWS SSO\u8fdb\u884c\u8ba4\u8bc1\uff0c\u56e0\u6b64\u9700\u8981\u8fd0\u884caws sso configure\u547d\u4ee4\uff0c\u5e76\u5bf9\u4ea4\u4e92\u63d0\u793a\u4e2d\u51fa\u73b0\u7684\u95ee\u9898\u8fdb\u884c\u8f93\u5165\u3002\uff08\u53c2\u8003\uff09<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">aws<\/span> <span class=\"nx\">configure<\/span> <span class=\"nx\">sso<\/span> <span class=\"nt\">--profile<\/span> <span class=\"nx\">enggrp<\/span> \r\n<\/code><\/pre>\n<p>\u8bbe\u5b9a\u540e\u5c06\u4fdd\u6301\u767b\u5f55\u72b6\u6001\uff0c\u4f46\u5982\u679c\u4e00\u6bb5\u65f6\u95f4\u8fc7\u53bb\u540e\u8981\u4f7f\u7528\uff0c\u8bf7\u63d0\u524d\u4f7f\u7528aws sso login\u547d\u4ee4\u8fdb\u884c\u767b\u5f55\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">aws<\/span> <span class=\"nx\">sso<\/span> <span class=\"nx\">login<\/span> <span class=\"nt\">--profile<\/span> <span class=\"nx\">enggrp<\/span>\r\n<\/code><\/pre>\n<h1>\u521b\u5efaCDK\u9879\u76ee<\/h1>\n<p>\u73b0\u5728\uff0c\u4e8b\u524d\u51c6\u5907\u5df2\u7ecf\u5b8c\u6210\uff0c\u6211\u4eec\u7acb\u5373\u5f00\u59cb\u521b\u5efa\u4e00\u4e2a\u7528\u4e8e\u4f7f\u7528CDK\u7684\u9879\u76ee\u3002<\/p>\n<p>\u9996\u5148\uff0c\u5728\u521b\u5efa\u9879\u76ee\u7684\u6587\u4ef6\u5939\u4e2d\uff0c\u4f7f\u7528cdk init\u547d\u4ee4\u6765\u521b\u5efa\u9879\u76ee\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">npx<\/span> <span class=\"nx\">cdk<\/span><span class=\"err\">@<\/span><span class=\"nx\">latest<\/span> <span class=\"nx\">init<\/span> <span class=\"nx\">app<\/span> <span class=\"nt\">--language<\/span> <span class=\"nx\">typescript<\/span>\r\n<\/code><\/pre>\n<p>\u6267\u884c\u540e\uff0cCDK\u9879\u76ee\u5c06\u5728\u6587\u4ef6\u5939\u4e2d\u521b\u5efa\u3002<br \/>\n\u81ea\u52a8\u751f\u6210\u7684\u6587\u4ef6\u5939\u548c\u6587\u4ef6\u4e2d\uff0c\u5c06\u624b\u52a8\u6dfb\u52a0\u4e00\u4e9b\u6587\u4ef6\uff0c\u8fd9\u4e9b\u6587\u4ef6\u5c06\u662f\u672c\u6b21\u4f7f\u7528\u7684\u5168\u90e8\u6587\u4ef6\u3002<br \/>\n\uff08\u624b\u52a8\u6dfb\u52a0\u7684\u5185\u5bb9\u5c06\u5728\u540e\u9762\u7684\u8bf4\u660e\u4e2d\u9010\u6b65\u521b\u5efa\uff09<\/p>\n<pre class=\"post-pre\"><code>?eng-grp-cdk-appsync\r\n \u2523 ?bin\r\n \u2503 \u2517 ?eng-grp-cdk-appsync.ts\r\n \u2523 ?graphql                          <span class=\"c\"># \u624b\u52d5\u8ffd\u52a0<\/span>\r\n \u2503 \u2517 ?schema.graphql                 <span class=\"c\"># \u624b\u52d5\u8ffd\u52a0<\/span>\r\n \u2523 ?lambda                           <span class=\"c\"># \u624b\u52d5\u8ffd\u52a0<\/span>\r\n \u2503 \u2523 ?appsync-resolver.ts            <span class=\"c\"># \u624b\u52d5\u8ffd\u52a0<\/span>\r\n \u2503 \u2517 ?graphql.ts                     <span class=\"c\"># \u624b\u52d5\u8ffd\u52a0(\u30b3\u30fc\u30c9\u30b8\u30a7\u30cd\u30ec\u30fc\u30bf\u3067\u751f\u6210\u3059\u308b)<\/span>\r\n \u2523 ?lib\r\n \u2503 \u2517 ?eng-grp-cdk-appsync-stack.ts\r\n \u2523 ?node_modules\r\n \u2523 ?test\r\n \u2503 \u2517 ?eng-grp-cdk-appsync.test.ts\r\n \u2523 ?.gitignore\r\n \u2523 ?.npmignore\r\n \u2523 ?cdk.json\r\n \u2523 ?codegen.ts                       <span class=\"c\"># \u624b\u52d5\u8ffd\u52a0<\/span>\r\n \u2523 ?jest.config.js\r\n \u2523 ?package-lock.json\r\n \u2523 ?package.json\r\n \u2523 ?README.md\r\n \u2517 ?tsconfig.json\r\n<\/code><\/pre>\n<p>\u5b8c\u6210\u9879\u76ee\u540e\uff0c\u6700\u540e\u4e00\u6b65\u662f\u5bf9AWS\u8d26\u6237\u8fdb\u884c\u5f15\u5bfc\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">npx<\/span> <span class=\"nx\">cdk<\/span> <span class=\"nx\">bootstrap<\/span> <span class=\"nt\">--profile<\/span> <span class=\"nx\">enggrp<\/span>\r\n<\/code><\/pre>\n<h2>\u5b89\u88c5\u989d\u5916\u7684\u8f6f\u4ef6\u5305<\/h2>\n<p>\u6211\u4eec\u5c06\u6dfb\u52a0\u5728\u8fd9\u6b21\u5b9e\u73b0\u548c\u64cd\u4f5c\u4e2d\u4f7f\u7528\u7684npm\u5305\u3002<\/p>\n<h3>aws-cdk\/aws-appsync-alpha\u53ef\u4ee5\u6309\u5982\u4e0b\u65b9\u5f0f\u7528\u4e2d\u6587\u8868\u8fbe\uff1a<\/h3>\n<p>\u4e9a\u9a6c\u900a\u4e91\u5f00\u53d1\u5de5\u5177\u5305\u4e2d\u7684 aws-appsync-alpha<\/p>\n<p>\u5728\u6784\u5efaAppSync\u65f6\uff0c\u6211\u60f3\u8981\u4f7f\u7528L2\u6784\u9020\u3002CDK\u4eceV2\u5f00\u59cb\uff0c\u7a33\u5b9a\u7248\u672c\u7684API\u5305\u542b\u5728aws-cdk-lib\u5305\u4e2d\u7684\u6240\u6709\u8d44\u6e90\u4e2d\u3002\u7136\u800c\uff0c\u5b9e\u9a8c\u6027API\u4e0d\u5305\u542b\u5728aws-cdk-lib\u4e2d\uff0c\u800c\u662f\u5728\u53e6\u4e00\u4e2a\u5305\u4e2d\u63d0\u4f9b\u3002\uff08\u53c2\u8003\uff09\u7531\u4e8eAppSync\u7684L2\u6784\u9020\u53ea\u6709\u5b9e\u9a8c\u6027\u7684\u7248\u672c\uff0c\u56e0\u6b64\u6211\u4eec\u9700\u8981\u989d\u5916\u5b89\u88c5\u5b83\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">npm<\/span> <span class=\"nx\">install<\/span> <span class=\"err\">@<\/span><span class=\"nx\">aws-cdk\/aws-appsync-alpha<\/span>\r\n<\/code><\/pre>\n<p>\u672b\u5c3e\u52a0\u4e0a-alpha\u7684\uff0c\u5373\u662f\u5b9e\u9a8c\u6027API\u3002<\/p>\n<h3>esbuild \u662f\u4e00\u4e2a\u7528\u4e8e\u5feb\u901f\u6784\u5efa\u548c\u6253\u5305\u5e94\u7528\u7a0b\u5e8f\u7684\u5de5\u5177\u3002<\/h3>\n<p>NodejsFunction\u6784\u9020\u51fd\u6570\u53ef\u7528\u4e8e\u5c06\u7528TypeScript\u5b9e\u73b0\u7684LambdaHandler\u8fdb\u884c\u8f6c\u8bd1\u548c\u6253\u5305\u3002<\/p>\n<p>\u8fd9\u6b21\uff0c\u6211\u4eec\u5c06\u4f7f\u7528TypeScript\u6765\u5b9e\u73b0Lambda\u3002<br \/>\n\u4f7f\u7528CDK\u7684NodejsFunction\u6784\u9020\u51fd\u6570\uff0c\u53ef\u4ee5\u81ea\u52a8\u4e3a\u7528TypeScript\u7f16\u5199\u7684\u4ee3\u7801\u8fdb\u884c\u8f6c\u8bd1\u548c\u6346\u7ed1\uff0c\u521b\u5efa\u4e00\u4e2aLambda\u51fd\u6570\u3002\u975e\u5e38\u65b9\u4fbf\u3002<\/p>\n<p>\u5728Docker\u5bb9\u5668\u5185\u6267\u884c\u8be5\u7f16\u8bd1\u4efb\u52a1\u4e5f\u662f\u53ef\u884c\u7684\uff0c\u4f46\u8fd9\u6b21\u6211\u4eec\u5c06\u5728\u672c\u5730\u5b89\u88c5\u5e76\u4f7f\u7528esbuild\u3002<br \/>\n\u5982\u679c\u5df2\u7ecf\u5b89\u88c5\u4e86esbuild\uff0c\u5c06\u81ea\u52a8\u4f7f\u7528\u5b83\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">npm<\/span> <span class=\"nx\">install<\/span> <span class=\"nt\">-D<\/span> <span class=\"nx\">esbuild<\/span>\r\n<\/code><\/pre>\n<h3>AWS Lambda \u7c7b\u578b<\/h3>\n<p>\u5b89\u88c5\u7528\u4e8e\u5904\u7406 Lambda \u51fd\u6570\u5904\u7406\u7a0b\u5e8f\u7684 TypeScript \u7c7b\u578b\u5b9a\u4e49\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">npm<\/span> <span class=\"nx\">install<\/span> <span class=\"nt\">-D<\/span> <span class=\"err\">@<\/span><span class=\"nx\">types\/aws-lambda<\/span>\r\n<\/code><\/pre>\n<h3>\u4e9a\u9a6c\u900a\u4e91\u670d\u52a1\u8f6f\u4ef6\u5f00\u53d1\u5de5\u5177\u5305\uff08AWS SDK\uff09\u4e2d\u7684DynamoDB\u76f8\u5173\u5305\u3002<\/h3>\n<p>\u4e3a\u4e86\u5728\u672c\u6b21\u521b\u5efa\u7684Lambda\u51fd\u6570\u4e2d\u4f7f\u7528DynamoDB\uff0c\u6211\u4eec\u9700\u8981\u5b89\u88c5DynamoDB\u64cd\u4f5c\u7684\u5ba2\u6237\u7aef\u548c\u5de5\u5177\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">npm<\/span> <span class=\"nx\">install<\/span> <span class=\"err\">@<\/span><span class=\"nx\">aws-sdk\/client-dynamodb<\/span> <span class=\"err\">@<\/span><span class=\"nx\">aws-sdk\/util-dynamodb<\/span>\r\n<\/code><\/pre>\n<h3>axios<\/h3>\n<p>\u5728Lambda\u51fd\u6570\u5185\uff0c\u5b89\u88c5axios\u4f5c\u4e3aHTTP\u5ba2\u6237\u7aef\uff0c\u7528\u4e8e\u4e0eGoogle Book API \u8fdb\u884c\u4ea4\u4e92\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">npm<\/span> <span class=\"nx\">install<\/span> <span class=\"nx\">axios<\/span>\r\n<\/code><\/pre>\n<h3>\u4ee3\u7801\u751f\u6210\u5668<\/h3>\n<p>\u5b89\u88c5\u7528\u4e8e\u521b\u5efaTypeScript\u7c7b\u578b\u5b9a\u4e49\u4ee3\u7801\u7684\u8f6f\u4ef6\u5305\uff0c\u4ee5\u4eceGraphQL\u6a21\u5f0f\u4e2d\u751f\u6210\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">npm<\/span> <span class=\"nx\">install<\/span> <span class=\"nt\">-D<\/span> <span class=\"err\">@<\/span><span class=\"nx\">graphql-codegen\/cli<\/span> <span class=\"err\">@<\/span><span class=\"nx\">graphql-codegen\/typescript<\/span>\r\n<\/code><\/pre>\n<h1>GraphQL\u7684Schema\u5b9a\u4e49<\/h1>\n<p>\u9996\u5148\uff0c\u6211\u4eec\u5c06\u4f7f\u7528AppSync\u521b\u5efaGraphQL API\u7684\u6a21\u5f0f\u5b9a\u4e49\u4f5c\u4e3a\u5916\u90e8\u6587\u4ef6\u8fdb\u884c\u521b\u5efa\u3002<br \/>\n\u5728\u4f7f\u7528CDK\u521b\u5efa\u8d44\u6e90\u65f6\uff0c\u6211\u4eec\u5c06\u8bfb\u53d6\u6b64\u6587\u4ef6\u5e76\u5b9e\u73b0AppSync\u7684\u6a21\u5f0f\u5b9a\u4e49\u3002<br \/>\n\u6b64\u5916\uff0c\u5728\u521b\u5efaLambda\u65f6\uff0c\u6211\u4eec\u8fd8\u5c06\u4f7f\u7528\u6b64\u6587\u4ef6\u751f\u6210TypeScript\u7c7b\u578b\u5b9a\u4e49\u4ee5\u4ece\u6a21\u5f0f\u5b9a\u4e49\u4e2d\u751f\u6210\u8be5\u7c7b\u578b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c\"># graphql\/schema.graphql<\/span>\r\n\r\n<span class=\"k\">scalar<\/span> <span class=\"n\">AWSDate<\/span>\r\n\r\n<span class=\"k\">type<\/span> <span class=\"n\">Book<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"n\">id<\/span><span class=\"p\">:<\/span> <span class=\"nb\">ID<\/span><span class=\"p\">!<\/span>\r\n  <span class=\"n\">title<\/span><span class=\"p\">:<\/span> <span class=\"nb\">String<\/span><span class=\"p\">!<\/span>\r\n  <span class=\"n\">subtitle<\/span><span class=\"p\">:<\/span> <span class=\"nb\">String<\/span>\r\n  <span class=\"n\">isbn<\/span><span class=\"p\">:<\/span> <span class=\"nb\">String<\/span>\r\n  <span class=\"n\">authors<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"nb\">String<\/span><span class=\"p\">]<\/span>\r\n  <span class=\"n\">publishedDate<\/span><span class=\"p\">:<\/span><span class=\"n\">AWSDate<\/span>\r\n  <span class=\"n\">thumbnailLink<\/span><span class=\"p\">:<\/span> <span class=\"nb\">String<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">type<\/span> <span class=\"n\">Mutation<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"n\">addBookFromIsbn<\/span><span class=\"p\">(<\/span><span class=\"n\">isbn<\/span><span class=\"p\">:<\/span> <span class=\"nb\">String<\/span><span class=\"p\">!):<\/span> <span class=\"n\">Book<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">type<\/span> <span class=\"n\">Query<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"n\">allBooks<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"n\">Book<\/span><span class=\"p\">]<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>AWSDate\u662f\u5728AppSync\u4e2d\u9ed8\u8ba4\u53ef\u7528\u7684\u65e5\u671f\u7c7b\u578b\u7684\u6807\u91cf\u5b9a\u4e49\u3002<br \/>\n\u53ea\u8981\u5728\u6a21\u5f0f\u5b9a\u4e49\u4e2d\u4f7f\u7528\u4f5c\u4e3a\u7c7b\u578b\uff0c\u5c31\u4e0d\u5fc5\u91cd\u65b0\u5b9a\u4e49\u6807\u91cf\uff0c\u4f46\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u5b83\u4ee5\u4fbf\u8ba9\u540e\u9762\u63d0\u5230\u7684\u4ee3\u7801\u751f\u6210\u5668\u8bc6\u522b\u3002<br \/>\n\u53ef\u4ee5\u5728\u8fd9\u91cc\u627e\u5230\u53ef\u7528\u4e8eAppSync\u7684\u6807\u91cf\u7c7b\u578b\u7684\u5217\u8868\u3002<\/p>\n<h1>LambdaHandler\u7684\u5b9e\u73b0<\/h1>\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u5b9e\u73b0\u5c06LambdaHandler\u90e8\u7f72\u4e3aLambda\u51fd\u6570\u3002<br \/>\n\u8fd9\u6b21\u7684Lambda\u51fd\u6570\u5c06\u6839\u636e\u63a5\u6536\u5230\u7684ISBN\uff0c\u5411Google Books API\u53d1\u9001\u67e5\u8be2\u8bf7\u6c42\uff0c\u5e76\u5c06\u83b7\u53d6\u5230\u7684\u56fe\u4e66\u4fe1\u606f\u5b58\u50a8\u5230DynamoDB\u4e2d\u3002<\/p>\n<h2>\u4f7f\u7528GraphQL\u6a21\u5f0f\u751f\u6210TypeScript\u7c7b\u578b\u5b9a\u4e49<\/h2>\n<p>\u9996\u5148\uff0c\u4f7f\u7528\u4e00\u4e2a\u540d\u4e3a\u4ee3\u7801\u751f\u6210\u5668\u7684\u5de5\u5177\uff0c\u4eceGraphQL\u6a21\u5f0f\u751f\u6210TypeScript\u7c7b\u578b\u5b9a\u4e49\u4ee3\u7801\u3002<\/p>\n<h3>\u521b\u5efa\u914d\u7f6e\u6587\u4ef6<\/h3>\n<p>\u5728\u9879\u76ee\u6839\u76ee\u5f55\u4e0b\u521b\u5efa\u7528\u4e8e\u51b3\u5b9a\u4ee3\u7801\u751f\u6210\u5668\u884c\u4e3a\u7684\u914d\u7f6e\u6587\u4ef6\u3002<br \/>\n\u6240\u521b\u5efa\u7684\u6e90\u4ee3\u7801\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<details>codegen.ts<br \/>\nimport { CodegenConfig } from &#8220;@graphql-codegen\/cli&#8221;;const config: CodegenConfig = {<br \/>\noverwrite: true,<br \/>\nschema: &#8220;.\/graphql\/schema.graphql&#8221;,<br \/>\ngenerates: {<br \/>\n&#8220;.\/lambda\/graphql.ts&#8221;: {<br \/>\nplugins: [&#8220;typescript&#8221;],<br \/>\n},<br \/>\n},<br \/>\nconfig: {<br \/>\nskipTypename: true,<br \/>\nuseTypeImports: true,<br \/>\nscalars: {<br \/>\nAWSDate: &#8220;Date&#8221;,<br \/>\n},<br \/>\n},<br \/>\n};<\/p>\n<p>export default config;<\/p>\n<\/details>\n<p>\u6211\u7a0d\u5fae\u6765\u770b\u4e00\u4e0b\u3002<\/p>\n<h4>\u6307\u5b9a\u83b7\u53d6\u6a21\u5f0f\u4fe1\u606f\u7684\u8def\u5f84\u3002<\/h4>\n<pre class=\"post-pre\"><code>  <span class=\"nx\">schema<\/span><span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">.\/graphql\/schema.graphql<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span> \r\n<\/code><\/pre>\n<p>\u672c\u6b21\u64cd\u4f5c\u4e2d\uff0c\u6211\u4eec\u5c06\u6307\u5b9a\u4e00\u4e2a\u6587\u4ef6\u4f5c\u4e3a\u83b7\u53d6\u6a21\u5f0f\u4fe1\u606f\u7684\u6765\u6e90\uff0c\u8be5\u6587\u4ef6\u4e2d\u5305\u542b\u4e86\u5728\u524d\u9762\u7684\u6b65\u9aa4\u4e2d\u521b\u5efa\u7684GraphQL\u6a21\u5f0f\u5b9a\u4e49\u3002<\/p>\n<p>\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u4f1a\u5148\u521b\u5efa\u548c\u53d1\u5e03\u4e00\u4e2aAppSync\u7ec8\u7aef\u8282\u70b9\uff0c\u5e76\u6307\u5b9a\u5b83\u4f5c\u4e3a\u83b7\u53d6\u6570\u636e\u7684\u6765\u6e90\uff0c\u7136\u540e\u751f\u6210\u7528\u4e8e\u5404\u79cd\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u7684\u7c7b\u578b\u5b9a\u4e49\u3002\u4f46\u7531\u4e8e\u672c\u6b21\u9700\u540c\u65f6\u90e8\u7f72Lambda\u51fd\u6570\uff0c\u6211\u4eec\u5c06\u4ece\u672c\u5730\u6587\u4ef6\u4e2d\u7684\u5b9a\u4e49\u7684\u6a21\u5f0f\u4fe1\u606f\u6765\u751f\u6210\u7c7b\u578b\u3002<\/p>\n<h4>\u6307\u5b9a\u751f\u6210\u7684\u6587\u4ef6\u8def\u5f84\u548c\u7528\u4e8e\u751f\u6210\u7684\u63d2\u4ef6<\/h4>\n<pre class=\"post-pre\"><code>  <span class=\"nx\">generates<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"dl\">\"<\/span><span class=\"s2\">.\/lambda\/graphql.ts<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span> \r\n      <span class=\"nl\">plugins<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">typescript<\/span><span class=\"dl\">\"<\/span><span class=\"p\">],<\/span> \r\n    <span class=\"p\">},<\/span>\r\n  <span class=\"p\">},<\/span>      \r\n<\/code><\/pre>\n<p>\u751f\u6210\u5668\u4f1a\u901a\u8fc7\u952e\u6765\u8bb0\u5f55\u751f\u6210\u6587\u4ef6\u7684\u8def\u5f84\u4ee5\u53ca\u4f7f\u7528\u7684\u63d2\u4ef6\u4fe1\u606f\u3002<br \/>\n\u6362\u53e5\u8bdd\u8bf4\uff0c\u53ef\u4ee5\u4f7f\u7528\u591a\u4e2a\u63d2\u4ef6\u540c\u65f6\u751f\u6210\u4e0d\u540c\u7684\u6587\u4ef6\u3002<br \/>\n\u5173\u4e8e\u63d2\u4ef6\uff0c\u5728Lambda\u7684\u73af\u5883\u4e2d\uff0c\u6211\u4eec\u53ea\u4f7f\u7528\u57fa\u4e8e\u6a21\u5f0f\u7684\u7c7b\u578b\u5b9a\u4e49\uff0c\u56e0\u6b64\u53ea\u4f7f\u7528@graphql-codegen\/typescript\u3002<\/p>\n<h4>\u8bf7\u6307\u5b9a\u9009\u9879\u8bbe\u7f6e\u3002<\/h4>\n<pre class=\"post-pre\"><code>  <span class=\"nx\">config<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nl\">skipTypename<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nx\">useTypeImports<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nx\">scalars<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"nl\">AWSDate<\/span><span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">Date<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span><span class=\"err\">\u3000<\/span>\r\n    <span class=\"p\">},<\/span>\r\n  <span class=\"p\">},<\/span>    \r\n<\/code><\/pre>\n<p>\u6211\u5011\u5c07\u6307\u5b9a\u6709\u95dc\u751f\u6210\u7684\u9078\u9805\u8a2d\u5b9a\u3002<\/p>\n<p>\u91cd\u70b9\u5728\u4e8e\u6807\u91cf\uff0c\u5e76\u4e14\u8fd9\u662f\u6307\u5b9a\u5c06\u5b9a\u4e49\u7684\u6807\u91cf\u8f6c\u6362\u4e3aTypeScript\u4e0a\u7684\u54ea\u79cd\u7c7b\u578b\u7684\u6307\u4ee4\u3002<br \/>\n\u8fd9\u6b21\u6211\u4eec\u6307\u793a\u4ee3\u7801\u751f\u6210\u5668\u5c06AWSDate\u8f6c\u6362\u4e3aDate\u7c7b\u578b\uff0c\u56e0\u4e3a\u4ee3\u7801\u751f\u6210\u5668\u65e0\u6cd5\u9ed8\u8ba4\u8bc6\u522b\u5b83\u3002\u5bf9\u4e8e\u5176\u4ed6\u7c7b\u578b\uff0c\u7531\u4e8e\u9ed8\u8ba4\u5df2\u786e\u5b9a\u8f6c\u6362\u7684\u7c7b\u578b\uff0c\u56e0\u6b64\u4e0d\u9700\u8981\u7279\u522b\u6307\u5b9a\u3002<\/p>\n<h3>\u6267\u884c\u6e90\u4ee3\u7801\u751f\u6210<\/h3>\n<p>\u5982\u679c\u8bbe\u7f6e\u6587\u4ef6\u51c6\u5907\u597d\u4e86\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6765\u6267\u884c\u4ee3\u7801\u751f\u6210\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">npx<\/span> <span class=\"nx\">graphql-codegen<\/span> <span class=\"nt\">--config<\/span> <span class=\"nx\">codegen.ts<\/span><span class=\"err\">\u3000<\/span>\r\n<\/code><\/pre>\n<p>\u8fd0\u884c\u540e\u5c06\u751f\u6210\u4e00\u4e2a lambda\/graphql.ts \u6587\u4ef6\u3002\u5176\u4e2d\u5305\u542b\u53ef\u5728 TypeScript \u4e2d\u4f7f\u7528\u7684\u7c7b\u578b\u5b9a\u4e49\uff0c\u56e0\u6b64\u53ef\u4ee5\u5728 LambdaHandler \u7684\u6e90\u4ee3\u7801\u4e2d\u5bfc\u5165\u5e76\u4f7f\u7528\u3002<\/p>\n<h2>Lambda\u5904\u7406\u7a0b\u5e8f\u7684\u5b9e\u73b0<\/h2>\n<p>\u63a5\u4e0b\u6765\u6211\u4eec\u8981\u521b\u5efa\u7528\u4f5cLambda Handler\u7684\u6e90\u4ee3\u7801\u3002<br \/>\nLambda Handler\u7684\u6e90\u4ee3\u7801\u5c06\u5728CDK\u9879\u76ee\u4e2d\u521b\u5efa\uff0c\u5e76\u5728\u672a\u6765\u901a\u8fc7\u76f8\u5bf9\u8def\u5f84\u88ab\u6307\u5b9a\u5728\u5806\u6808\u4ee3\u7801\u4e2d\u3002<\/p>\n<p>\u6211\u5236\u4f5c\u4e86\u4ee5\u4e0b\u7684\u6e90\u4ee3\u7801\u3002<\/p>\n<details>lambda\/appsync-resolver.tsimport { AppSyncResolverHandler } from &#8220;aws-lambda&#8221;;<br \/>\nimport { DynamoDBClient, PutItemCommand } from &#8220;@aws-sdk\/client-dynamodb&#8221;;<br \/>\nimport { marshall } from &#8220;@aws-sdk\/util-dynamodb&#8221;;<br \/>\nimport axios from &#8220;axios&#8221;;<br \/>\nimport { randomUUID } from &#8220;crypto&#8221;;<br \/>\nimport { Book, MutationAddBookFromIsbnArgs } from &#8220;.\/graphql&#8221;;<\/p>\n<p>const httpClient = axios.create({<br \/>\nbaseURL: &#8220;https:\/\/www.googleapis.com\/books&#8221;,<br \/>\n});<br \/>\nconst dbClient = new DynamoDBClient({});<\/p>\n<p>export const handler: AppSyncResolverHandler&lt; MutationAddBookFromIsbnArgs, Book &gt; = async (event, context) =&gt; {<br \/>\ntry {<br \/>\nconst response = await httpClient.get(<br \/>\n&#8220;\/v1\/volumes&#8221;,<br \/>\n{<br \/>\nparams: {<br \/>\nq: `isbn:${event.arguments.isbn}`,<br \/>\n},<br \/>\n}<br \/>\n);<br \/>\nconst responseData = response.data.items[0];<br \/>\nif (!responseData) {<br \/>\nthrow new Error(&#8220;\u65e0\u6cd5\u4eceGoogleBookApi\u83b7\u53d6\u6570\u636e&#8221;);<br \/>\n}<br \/>\n\/\/ \u6ce8\u518c\u5230DynamoDb<br \/>\nlet data: Book = {<br \/>\nid: randomUUID(),<br \/>\ntitle: responseData.volumeInfo?.title,<br \/>\nsubtitle: responseData.volumeInfo?.subtitle ?? &#8220;&#8221;,<br \/>\nisbn: event.arguments.isbn,<br \/>\nauthors: responseData.volumeInfo?.authors ?? [],<br \/>\npublishedDate: responseData.volumeInfo?.publishedDate ?? null,<br \/>\nthumbnailLink: responseData.volumeInfo?.imageLinks?.thumbnail ?? &#8220;&#8221;,<br \/>\n};<br \/>\nawait dbClient.send(<br \/>\nnew PutItemCommand({<br \/>\nTableName: &#8220;books&#8221;,<br \/>\nItem: marshall(data),<br \/>\n})<br \/>\n);<br \/>\nreturn data;<br \/>\n} catch (err) {<br \/>\nconsole.error(err);<br \/>\nthrow new Error(`\u6570\u636e\u6ce8\u518c\u5931\u8d25\u3002`);<br \/>\n}<br \/>\n};<br \/>\ninterface GoogleApiResponseData {<br \/>\nitems: BookItem[];<br \/>\nkind: string;<br \/>\ntotalItems: number;<br \/>\n}<\/p>\n<p>interface BookItem {<br \/>\nid: string;<br \/>\nvolumeInfo: {<br \/>\ntitle: string;<br \/>\nsubtitle?: string;<br \/>\nauthors?: string[];<br \/>\npublishedDate?: Date;<br \/>\nimageLinks?: {<br \/>\nthumbnail?: string;<br \/>\n};<br \/>\n};<br \/>\n}<\/p>\n<\/details>\n<p>\u5173\u4e8e\u5185\u5bb9\uff0c\u56e0\u4e3a\u4e0e\u672c\u6b21\u4e3b\u9898\u65e0\u5173\uff0c\u6240\u4ee5\u7565\u8fc7\u4e0d\u63d0\u3002\u5173\u952e\u5728\u4e8e\u4f7f\u7528\u4ee3\u7801\u751f\u6210\u5668\u751f\u6210\u7684\u7c7b\u578b\u6765\u5339\u914d\u5904\u7406\u7a0b\u5e8f\u7684\u53c2\u6570\u548c\u8fd4\u56de\u503c\u7c7b\u578b\u5b9a\u4e49\uff0c\u4ee5\u4f7f\u5176\u4e0e\u5728\u6a21\u5f0f\u4e2d\u5b9a\u4e49\u7684 addBookFromIsbn \u7684\u53d8\u5f02\u7c7b\u578b\u5b9a\u4e49\u76f8\u5339\u914d\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">export<\/span> <span class=\"kd\">const<\/span> <span class=\"nx\">handler<\/span><span class=\"p\">:<\/span> <span class=\"nx\">AppSyncResolverHandler<\/span><span class=\"o\">&lt;<\/span><span class=\"nx\">MutationAddBookFromIsbnArgs<\/span><span class=\"p\">,<\/span> <span class=\"nx\">Book<\/span><span class=\"o\">&gt;<\/span> \r\n<\/code><\/pre>\n<p>\u4f7f\u7528AppSyncResolverHandler\u7c7b\u578b\u5b9a\u4e49\u4e00\u4e2a\u4f5c\u4e3aexport\u7684\u51fd\u6570\uff0c\u5c06\u7b2c\u4e00\u4e2a\u7c7b\u578b\u53c2\u6570\u8bbe\u4e3aMutation\u53c2\u6570\u7684\u7c7b\u578b\uff0c\u5c06\u7b2c\u4e8c\u4e2a\u7c7b\u578b\u53c2\u6570\u8bbe\u4e3a\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u3002<\/p>\n<h1>\u5806\u6808\u7684\u5b9e\u73b0<\/h1>\n<p>\u6700\u7ec8\u6211\u4eec\u5c06\u5728\u6808\u7684\u6e90\u4ee3\u7801\u4e2d\u6dfb\u52a0\u8d44\u6e90\u5b9a\u4e49\u3002\u4e0b\u9762\u7ed9\u51fa\u4e86\u521b\u5efa\u7684\u6e90\u4ee3\u7801\u3002<\/p>\n<details>lib\/eng-grp-cdk-appsync-stack.ts\u5bfc\u5165 {<br \/>\nDuration,<br \/>\nExpiration,<br \/>\nRemovalPolicy,<br \/>\nStack,<br \/>\nStackProps<br \/>\n} from &#8220;aws-cdk-lib&#8221;;<br \/>\n\u5bfc\u5165 {<br \/>\nAuthorizationType,<br \/>\nFieldLogLevel,<br \/>\nGraphqlApi,<br \/>\nMappingTemplate<br \/>\n} from &#8220;@aws-cdk\/aws-appsync-alpha&#8221;;<br \/>\n\u5bfc\u5165 {\u6784\u9020} from &#8220;constructs\/lib&#8221;;<br \/>\n\u5bfc\u5165 {AttributeType\uff0c\u8868} from &#8220;aws-cdk-lib\/aws-dynamodb&#8221;;<br \/>\n\u5bfc\u5165 {NodejsFunction} from &#8220;aws-cdk-lib\/aws-lambda-nodejs&#8221;;<br \/>\n\u5bfc\u5165 {RetentionDays} from &#8220;aws-cdk-lib\/aws-logs&#8221;;<br \/>\n\u5bfc\u5165 {SchemaFile} from &#8220;@aws-cdk\/aws-appsync-alpha\/lib\/schema&#8221;;<\/p>\n<p>\u5bfc\u51fa\u7c7b EngGrpCdkAppsyncStack \u6269\u5c55 Stack {<br \/>\n\u6784\u9020\u51fd\u6570(scope: \u6784\u9020, id: \u5b57\u7b26\u4e32\uff0cprops\uff1f: StackProps) {<br \/>\n\u8d85\uff08\u8303\u56f4\uff0cid\uff0c\u9053\u5177\uff09;<\/p>\n<p>\/\/ \u521b\u5efaDynamoDB\u8868<br \/>\nconst \u8868=\u65b0\u8868(this\uff0c\u201cDynamoDbTable\u201d\uff0c{<br \/>\n\u8868\u540d: \u201c\u4e66\u7c4d\u201d,<br \/>\n\u5206\u533a\u952e: {<br \/>\n\u540d\u79f0\uff1a\u201cid\u201d,<br \/>\n\u7c7b\u578b\uff1aAttributeType.STRING\uff0c<br \/>\n}\uff0c<br \/>\n\u79fb\u9664\u7b56\u7565\uff1aRemovalPolicy.DESTROY\uff0c<br \/>\n}\uff09\uff1b<\/p>\n<p>\/\/ \u5b9a\u4e49Lambda\u51fd\u6570<br \/>\nconst lambdaHandler = new NodejsFunction(this, &#8220;LambdaHandler&#8221;, {<br \/>\nentry: &#8220;lambda\/appsync-resolver.ts&#8221;,<br \/>\nlogRetention: RetentionDays.ONE_DAY,<br \/>\n});<br \/>\n\/\/ \u6388\u4e88DynamoDB\u8bfb\u5199\u6743\u9650<br \/>\n\u8868.grantReadWriteData(lambdaHandler);<\/p>\n<p>\/\/ \u5b9a\u4e49AppSync\u8d44\u6e90<br \/>\nconst api = new GraphqlApi(this, &#8220;GraphqlApi&#8221;, {<br \/>\n\u540d\u79f0\uff1a\u201ceng_group_cdk_demo\u201d,<br \/>\n\u6a21\u5f0f\uff1a\u4eceAsset.\u6587\u4ef6\uff08\u201c.\/graphql\/schema.graphql\u201d\uff09\u7684SchemaFile\uff0c<br \/>\n\u6388\u6743\u914d\u7f6e: {<br \/>\n\u9ed8\u8ba4\u6388\u6743: {<br \/>\n\u6388\u6743\u7c7b\u578b: AuthorizationType.API_KEY\uff0c<br \/>\napiKeyConfig: {<br \/>\n\u8fc7\u671f: Expiration.after(Duration.days(365))\uff0c<br \/>\n}\uff0c<br \/>\n}\uff0c<br \/>\n}\uff0c<br \/>\n\u65e5\u5fd7\u914d\u7f6e: {<br \/>\nfieldLogLevel: FieldLogLevel.ALL\uff0c<br \/>\n\u4fdd\u7559\uff1aRetentionDays.ONE_DAY\uff0c<br \/>\n}\uff0c<br \/>\n}\uff09\uff1b<\/p>\n<p>\/\/ \u521b\u5efa\u5c06\u67e5\u8be2\u201callBooks\u201d\u4e0eDynamoDB\u5173\u8054\u7684\u6570\u636e\u6e90<br \/>\nconst dataSource1 = api.addDynamoDbDataSource(&#8220;DataSource1&#8221;, \u8868);<br \/>\n\/\/ \u5b9a\u4e49\u89e3\u6790\u5668<br \/>\ndataSource1.createResolver(&#8220;Resolver1&#8221;, {<br \/>\n\u7c7b\u578b\u540d\u79f0: \u201c\u67e5\u8be2\u201d,<br \/>\n\u5b57\u6bb5\u540d\u79f0: \u201callBooks\u201d,<br \/>\n\u8bf7\u6c42\u6620\u5c04\u6a21\u677f: MappingTemplate.dynamoDbScanTable()\uff0c<br \/>\n\u54cd\u5e94\u6620\u5c04\u6a21\u677f: MappingTemplate.dynamoDbResultList()\uff0c<br \/>\n}\uff09\uff1b<\/p>\n<p>\/\/ \u521b\u5efa\u5c06Mutation\u201caddBookFromIsbn\u201d\u4e0eLambda\u51fd\u6570\u5173\u8054\u7684\u6570\u636e\u6e90<br \/>\nconst dataSource2 = api.addLambdaDataSource(&#8220;DataSource2&#8221;, lambdaHandler);<br \/>\n\/\/ \u5b9a\u4e49\u89e3\u6790\u5668<br \/>\ndataSource2.createResolver(&#8220;Resolver2&#8221;, {<br \/>\n\u7c7b\u578b\u540d\u79f0: \u201c\u7a81\u53d8\u201d,<br \/>\n\u5b57\u6bb5\u540d\u79f0: \u201caddBookFromIsbn\u201d\uff0c<br \/>\n}\uff09\uff1b<br \/>\n}\uff1b<br \/>\n}\uff1b<\/p>\n<\/details>\n<p>\u6211\u4eec\u5c06\u8fdb\u884c\u5206\u89e3\u5e76\u9010\u6b65\u63a2\u8ba8\u3002<\/p>\n<h2>\u6dfb\u52a0DynamoDB\u7684\u5b9a\u4e49<\/h2>\n<p>\u5b9a\u4e49\u4e00\u4e2a\u540d\u4e3a&#8221;\u4e66&#8221;\u7684\u8868\u683c\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">const<\/span> <span class=\"nx\">table<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Table<\/span><span class=\"p\">(<\/span><span class=\"k\">this<\/span><span class=\"p\">,<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">DynamoDbTable<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"na\">tableName<\/span><span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">books<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">partitionKey<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">id<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"na\">type<\/span><span class=\"p\">:<\/span> <span class=\"nx\">AttributeType<\/span><span class=\"p\">.<\/span><span class=\"nx\">STRING<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"p\">},<\/span>\r\n  <span class=\"na\">removalPolicy<\/span><span class=\"p\">:<\/span> <span class=\"nx\">RemovalPolicy<\/span><span class=\"p\">.<\/span><span class=\"nx\">DESTROY<\/span><span class=\"p\">,<\/span>\r\n<span class=\"p\">});<\/span>\r\n<\/code><\/pre>\n<h2>\u589e\u52a0Lambda\u51fd\u6570\u7684\u5b9a\u4e49<\/h2>\n<p>\u901a\u8fc7\u4f7f\u7528NodejsFunction\u6784\u9020\u51fd\u6570\uff0c\u53ef\u4ee5\u5c06\u4f7f\u7528TypeScript\u5b9e\u73b0\u7684LambdaHandler\u6e90\u4ee3\u7801\u8fdb\u884cTranspile\u548cBundle\uff0c\u5e76\u5c06\u5176\u90e8\u7f72\u4e3aLambda\u51fd\u6570\u3002<\/p>\n<p>\u5728entry\u4e2d\uff0c\u5c06\u4f7f\u7528\u76f8\u5bf9\u4e8e\u9879\u76ee\u6839\u76ee\u5f55\u7684\u8def\u5f84\u6765\u8bb0\u5f55\u5728\u524d\u9762\u6b65\u9aa4\u4e2d\u521b\u5efa\u7684Lambda Handler\u6e90\u4ee3\u7801\u6587\u4ef6(lambda\/appsync-resolver.ts)\u7684\u8def\u5f84\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">const<\/span> <span class=\"nx\">lambdaHandler<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">NodejsFunction<\/span><span class=\"p\">(<\/span><span class=\"k\">this<\/span><span class=\"p\">,<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">LambdaHandler<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"na\">entry<\/span><span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">lambda\/appsync-resolver.ts<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">logRetention<\/span><span class=\"p\">:<\/span> <span class=\"nx\">RetentionDays<\/span><span class=\"p\">.<\/span><span class=\"nx\">ONE_DAY<\/span><span class=\"p\">,<\/span>\r\n<span class=\"p\">});<\/span>\r\n<\/code><\/pre>\n<h2>\u5c06DynamoDb\u8868\u7684\u8bfb\/\u5199\u6743\u9650\u6388\u4e88Lambda\u89d2\u8272<\/h2>\n<p>\u7531\u4e8eLambda\u51fd\u6570\u9700\u8981\u4e0eDynamoDB\u8fdb\u884c\u4ea4\u4e92\uff0c\u56e0\u6b64\u6211\u4eec\u5c06\u8d4b\u4e88Lambda\u51fd\u6570\u89d2\u8272\u5bf9\u4e8e\u6211\u4eec\u521b\u5efa\u7684book\u8868\u7684\u8bfb\u5199\u6743\u9650\u3002\u867d\u7136\u5230\u76ee\u524d\u4e3a\u6b62\u6211\u4eec\u8fd8\u6ca1\u6709\u5177\u4f53\u5b9a\u4e49\u89d2\u8272\uff0c\u4f46\u662f\u5982\u679c\u5728Lambda\u51fd\u6570\u5b9a\u4e49\u65f6\u7701\u7565\u4e86\u89d2\u8272\u7684\u6307\u5b9a\uff0c\u7cfb\u7edf\u4f1a\u81ea\u52a8\u521b\u5efa\u4e00\u4e2a\u89d2\u8272\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nx\">table<\/span><span class=\"p\">.<\/span><span class=\"nf\">grantReadWriteData<\/span><span class=\"p\">(<\/span><span class=\"nx\">lambdaHandler<\/span><span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<h2>\u65b0\u589eAppSync GraphQL API\u7684\u5b9a\u4e49<\/h2>\n<p>\u5728GraphQL API\u4e2d\uff0c\u9700\u8981\u5b9a\u4e49\u6a21\u5f0f\u3002<br \/>\n\u672c\u6b21\u5c06\u901a\u8fc7\u8bfb\u53d6\u5728\u524d\u9762\u6b65\u9aa4\u4e2d\u521b\u5efa\u7684\u5b9a\u4e49\u6587\u4ef6\uff08graphql\/schema.graphql\uff09\u6765\u8fdb\u884c\u8bbe\u7f6e\u3002<\/p>\n<p>\u53e6\u5916\uff0c\u672c\u6b21\u6240\u4f7f\u7528\u7684 API \u8a8d\u8b49\u65b9\u5f0f\u70ba API \u91d1\u9470\uff08API Key\uff09\u65b9\u5f0f\u3002\u6b64\u5916\uff0c\u9084\u53ef\u4ee5\u8207 AWS Cognito \u9032\u884c\u6574\u5408\uff0c\u9032\u884c\u8a8d\u8b49\u64cd\u4f5c\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">const<\/span> <span class=\"nx\">api<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">GraphqlApi<\/span><span class=\"p\">(<\/span><span class=\"k\">this<\/span><span class=\"p\">,<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">GraphqlApi<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">eng_group_cdk_demo<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">schema<\/span><span class=\"p\">:<\/span> <span class=\"nx\">SchemaFile<\/span><span class=\"p\">.<\/span><span class=\"nf\">fromAsset<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">.\/graphql\/schema.graphql<\/span><span class=\"dl\">\"<\/span><span class=\"p\">),<\/span> \r\n  <span class=\"na\">authorizationConfig<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"na\">defaultAuthorization<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"na\">authorizationType<\/span><span class=\"p\">:<\/span> <span class=\"nx\">AuthorizationType<\/span><span class=\"p\">.<\/span><span class=\"nx\">API_KEY<\/span><span class=\"p\">,<\/span>\r\n      <span class=\"na\">apiKeyConfig<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"na\">expires<\/span><span class=\"p\">:<\/span> <span class=\"nx\">Expiration<\/span><span class=\"p\">.<\/span><span class=\"nf\">after<\/span><span class=\"p\">(<\/span><span class=\"nx\">Duration<\/span><span class=\"p\">.<\/span><span class=\"nf\">days<\/span><span class=\"p\">(<\/span><span class=\"mi\">365<\/span><span class=\"p\">)),<\/span>\r\n      <span class=\"p\">},<\/span>\r\n    <span class=\"p\">},<\/span>\r\n  <span class=\"p\">},<\/span>\r\n  <span class=\"na\">logConfig<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"na\">fieldLogLevel<\/span><span class=\"p\">:<\/span> <span class=\"nx\">FieldLogLevel<\/span><span class=\"p\">.<\/span><span class=\"nx\">ALL<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"na\">retention<\/span><span class=\"p\">:<\/span> <span class=\"nx\">RetentionDays<\/span><span class=\"p\">.<\/span><span class=\"nx\">ONE_DAY<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"p\">},<\/span>\r\n<span class=\"p\">});<\/span>\r\n<\/code><\/pre>\n<h2>\u521b\u5efa\u5c06allBooks\u67e5\u8be2\u4e0eDynamoDB\u5173\u8054\u7684\u89e3\u6790\u5668\u3002<\/h2>\n<p>\u4e3a\u4e86\u89e3\u51b3\u57fa\u4e8e\u6a21\u5f0f\u5b9a\u4e49\u7684allBooks\u67e5\u8be2\u4e0e\u6307\u5b9a\u6570\u636e\u6e90\u7684DynamoDB\u7684book\u8868\uff0c\u6211\u4eec\u5b9a\u4e49\u4e00\u4e2a\u89e3\u6790\u5668\u3002<\/p>\n<p>\u5728Resolver\u4e2d\uff0c\u9700\u8981\u4f7f\u7528VTL\u8bed\u8a00\u5b9a\u4e49\u4e00\u79cd\u53eb\u4f5cMapping Template\u7684\u65b9\u6cd5\uff0c\u7528\u4e8e\u8f6c\u6362GraphQL\u8bf7\u6c42\u548c\u54cd\u5e94\u4ee5\u53ca\u540e\u7aef\u6570\u636e\u7684\u65b9\u5f0f\u3002\u7136\u800c\uff0cAppSync\u7684L2\u6784\u9020\u51fd\u6570\u53ef\u4ee5\u5728\u7b80\u5355\u7684\u60c5\u51b5\u4e0b\u751f\u6210Mapping Template\uff0c\u800c\u65e0\u9700\u7f16\u5199\u4efb\u4f55\u4ee3\u7801\u3002\u8fd9\u975e\u5e38\u7b80\u4fbf\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">const<\/span> <span class=\"nx\">dataSource1<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">api<\/span><span class=\"p\">.<\/span><span class=\"nf\">addDynamoDbDataSource<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">DataSource1<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span> <span class=\"nx\">table<\/span><span class=\"p\">);<\/span>\r\n<span class=\"nx\">dataSource1<\/span><span class=\"p\">.<\/span><span class=\"nf\">createResolver<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">Resolver1<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"na\">typeName<\/span><span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">Query<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">fieldName<\/span><span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">allBooks<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">requestMappingTemplate<\/span><span class=\"p\">:<\/span> <span class=\"nx\">MappingTemplate<\/span><span class=\"p\">.<\/span><span class=\"nf\">dynamoDbScanTable<\/span><span class=\"p\">(),<\/span>\r\n  <span class=\"na\">responseMappingTemplate<\/span><span class=\"p\">:<\/span> <span class=\"nx\">MappingTemplate<\/span><span class=\"p\">.<\/span><span class=\"nf\">dynamoDbResultList<\/span><span class=\"p\">(),<\/span>\r\n<span class=\"p\">});<\/span>\r\n\r\n<\/code><\/pre>\n<h2>\u521b\u5efa\u4e00\u4e2a\u5c06addBookFromIsbn\u7684mutation\u4e0eDynamoDB\u76f8\u5173\u8054\u7684\u89e3\u6790\u5668\u3002<\/h2>\n<p>\u5b9a\u4e49\u4e00\u4e2a\u89e3\u6790\u5668\uff0c\u7528\u4e8e\u89e3\u6790\u5c06addBookFromIsbn\u53d8\u5f02\u5b9a\u4e49\u4e3a\u6a21\u5f0f\u5e76\u6307\u5b9a\u4e3a\u6570\u636e\u6e90\u7684Lambda\u51fd\u6570\u3002<\/p>\n<p>\u5982\u679c\u5728\u6570\u636e\u6e90\u4e2d\u4f7f\u7528Lambda\u51fd\u6570\uff0c\u5219\u53ef\u4ee5\u4f7f\u7528Direct Lambda Resolvers\uff0c\u4ece\u800c\u7701\u53bb\u4e86\u6620\u5c04\u6a21\u677f\u5b9a\u4e49\uff0c\u56e0\u6b64\u65e0\u9700\u6307\u5b9a\u6a21\u677f\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">const<\/span> <span class=\"nx\">dataSource2<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">api<\/span><span class=\"p\">.<\/span><span class=\"nf\">addLambdaDataSource<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">DataSource2<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span> <span class=\"nx\">lambdaHandler<\/span><span class=\"p\">);<\/span>\r\n<span class=\"nx\">dataSource2<\/span><span class=\"p\">.<\/span><span class=\"nf\">createResolver<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">Resolver2<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"na\">typeName<\/span><span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">Mutation<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">fieldName<\/span><span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">addBookFromIsbn<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span>\r\n<span class=\"p\">});<\/span>\r\n<\/code><\/pre>\n<h2>\u6267\u884c\u8d44\u6e90\u521b\u5efa<\/h2>\n<p>\u56e0\u4e3a\u5230\u6b64\u4e3a\u6b62\uff0c\u6211\u4eec\u5df2\u7ecf\u51c6\u5907\u597d\u4e86\u5fc5\u8981\u7684\u6e90\u4ee3\u7801\uff0c\u6240\u4ee5\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528cdk deploy\u547d\u4ee4\u5728AWS\u4e0a\u5b9e\u9645\u521b\u5efa\u8d44\u6e90\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">npx<\/span> <span class=\"nx\">cdk<\/span> <span class=\"nx\">deploy<\/span> <span class=\"nt\">--profile<\/span> <span class=\"nx\">enggrp<\/span>\r\n<\/code><\/pre>\n<p>\u6267\u884c\u547d\u4ee4\u540e\uff0c\u4f1a\u5728\u63d0\u793a\u7b26\u4e0a\u663e\u793a\u8d44\u6e90\u7684\u53d8\u66f4\u5dee\u5f02\u4ee5\u53ca\u201c\u662f\u5426\u8981\u90e8\u7f72\u8fd9\u4e9b\u66f4\u6539(y\/n)?\u201d\u7684\u6d88\u606f\u3002\u5982\u679c\u6ca1\u6709\u95ee\u9898\uff0c\u8bf7\u8f93\u5165\u201cy\u201d\u5e76\u6309\u4e0b\u56de\u8f66\u3002<\/p>\n<p>\u53ea\u8981\u6ca1\u6709\u53d1\u751f\u9519\u8bef\uff0c\u4f7f\u7528\u6b64\u5b9a\u4e49\uff0c\u8d44\u6e90\u5c06\u5728AWS\u4e0a\u6784\u5efa\u3002<\/p>\n<h1>\u4ece\u672c\u5730\u7ec8\u7aef\u53d1\u9001\u8bf7\u6c42<\/h1>\n<p>\u6700\u540e\uff0c\u4f5c\u4e3a\u786e\u8ba4\u64cd\u4f5c\uff0c\u6211\u4eec\u5c06\u4ece\u672c\u5730\u7ec8\u7aef\u53d1\u9001\u8bf7\u6c42\u3002<br \/>\n\u6211\u4eec\u5c06\u4f7f\u7528Powershell Core\u7684Invoke-RestMethod\u547d\u4ee4\u6765\u53d1\u9001\u8bf7\u6c42\u3002<\/p>\n<p>\u9996\u5148\uff0c\u4f7f\u7528AWS CLI\u786e\u8ba4\u6240\u521b\u5efa\u7684GraphQL API\u7684\u7ec8\u7aef\u8282\u70b9URI\u548cAPI\u5bc6\u94a5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c\"># API ID\u3068Url\u3092\u78ba\u8a8d<\/span>\r\n<span class=\"n\">aws<\/span> <span class=\"nx\">appsync<\/span> <span class=\"nx\">list-graphql-apis<\/span> <span class=\"nt\">--query<\/span> <span class=\"s2\">\"graphqlApis[?name=='eng_group_cdk_demo'].{apiId:apiId,uri:uris.GRAPHQL}\"<\/span>  <span class=\"nt\">--profile<\/span> <span class=\"nx\">enggrp<\/span>\r\n<span class=\"c\"># API ID\u3092\u4f7f\u7528\u3057\u3066API KEY\u3092\u78ba\u8a8d<\/span>\r\n<span class=\"n\">aws<\/span> <span class=\"nx\">appsync<\/span> <span class=\"nx\">list-api-keys<\/span> <span class=\"nt\">--api-id<\/span> <span class=\"nv\">${\u53d6\u5f97\u3057\u305fAPI ID}<\/span> <span class=\"nt\">--profile<\/span> <span class=\"nx\">enggrp<\/span>      \r\n<\/code><\/pre>\n<p>\u5728PowerShell\u4e2d\u6267\u884c\u4ee5\u4e0b\u811a\u672c\u65f6\uff0c\u8bf7\u5d4c\u5165\u786e\u8ba4\u7684URI\u548cAPI\u5bc6\u94a5<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$uri<\/span> <span class=\"o\">=<\/span> <span class=\"s2\">\"<\/span><span class=\"nv\">${\u78ba\u8a8d\u3057\u305fAPI URL}<\/span><span class=\"s2\"> \"<\/span>\r\n<span class=\"nv\">$headers<\/span> <span class=\"o\">=<\/span> <span class=\"p\">@{<\/span>\r\n    <span class=\"s2\">\"X-API-KEY\"<\/span> <span class=\"o\">=<\/span> <span class=\"s2\">\"<\/span><span class=\"nv\">${\u78ba\u8a8d\u3057\u305fAPI KEY}<\/span><span class=\"s2\"> \"<\/span>\r\n<span class=\"p\">}<\/span>\r\n<span class=\"nv\">$contentType<\/span> <span class=\"o\">=<\/span> <span class=\"s2\">\"application\/json\"<\/span>\r\n\r\n<span class=\"nv\">$allBooksQuery<\/span> <span class=\"o\">=<\/span> <span class=\"p\">@{<\/span><span class=\"s2\">\"query\"<\/span> <span class=\"o\">=<\/span> <span class=\"sh\">@\"\r\nquery {\r\n    allBooks {\r\n      id\r\n      title\r\n      subtitle\r\n      isbn\r\n      authors\r\n      publishedDate\r\n      thumbnailLink\r\n    }\r\n}\r\n\"@<\/span>\r\n<span class=\"p\">}<\/span> <span class=\"o\">|<\/span> <span class=\"n\">ConvertTo-Json<\/span>\r\n\r\n<span class=\"nv\">$addBookFromIsbn<\/span> <span class=\"o\">=<\/span> <span class=\"p\">@{<\/span><span class=\"s2\">\"query\"<\/span> <span class=\"o\">=<\/span> <span class=\"sh\">@\"\r\nmutation {\r\n    addBookFromIsbn(isbn:\"@<\/span><span class=\"nx\">isbn<\/span><span class=\"s2\">\") {\r\n      id\r\n      title\r\n      subtitle\r\n      isbn\r\n      authors\r\n      publishedDate\r\n      thumbnailLink\r\n    }\r\n  }\r\n\"<\/span><span class=\"err\">@<\/span>\r\n<span class=\"p\">}<\/span> <span class=\"o\">|<\/span> <span class=\"n\">ConvertTo-Json<\/span> \r\n\r\n<span class=\"c\"># 2\u3064\u306eISBN\u30b3\u30fc\u30c9\u3067\u66f8\u7c4d\u767b\u9332Mutation\u3092\u5b9f\u884c<\/span>\r\n<span class=\"n\">Invoke-RestMethod<\/span> <span class=\"nt\">-Method<\/span> <span class=\"nx\">Post<\/span> <span class=\"nt\">-Uri<\/span> <span class=\"nv\">$uri<\/span> <span class=\"nt\">-ContentType<\/span> <span class=\"nv\">$contentType<\/span> <span class=\"nt\">-Headers<\/span> <span class=\"nv\">$headers<\/span> <span class=\"nt\">-Body<\/span> <span class=\"p\">(<\/span><span class=\"nv\">$addBookFromIsbn<\/span> <span class=\"o\">-replace<\/span> <span class=\"s2\">\"@isbn\"<\/span><span class=\"p\">,<\/span><span class=\"s2\">\"9784822262969\"<\/span><span class=\"p\">)<\/span>  <span class=\"err\">&gt;<\/span> <span class=\"bp\">$null<\/span>\r\n<span class=\"n\">Invoke-RestMethod<\/span> <span class=\"nt\">-Method<\/span> <span class=\"nx\">Post<\/span> <span class=\"nt\">-Uri<\/span> <span class=\"nv\">$uri<\/span> <span class=\"nt\">-ContentType<\/span> <span class=\"nv\">$contentType<\/span> <span class=\"nt\">-Headers<\/span> <span class=\"nv\">$headers<\/span> <span class=\"nt\">-Body<\/span> <span class=\"p\">(<\/span><span class=\"nv\">$addBookFromIsbn<\/span> <span class=\"o\">-replace<\/span> <span class=\"s2\">\"@isbn\"<\/span><span class=\"p\">,<\/span><span class=\"s2\">\"9784295010654\"<\/span><span class=\"p\">)<\/span>  <span class=\"err\">&gt;<\/span> <span class=\"bp\">$null<\/span>\r\n\r\n<span class=\"c\"># \u5168\u66f8\u7c4d\u53d6\u5f97Query\u3092\u5b9f\u884c\u3057\u3066\u7d50\u679c\u3092\u8868\u793a<\/span>\r\n<span class=\"p\">(<\/span><span class=\"n\">Invoke-RestMethod<\/span> <span class=\"nt\">-Method<\/span> <span class=\"nx\">Post<\/span> <span class=\"nt\">-Uri<\/span> <span class=\"nv\">$uri<\/span> <span class=\"nt\">-ContentType<\/span> <span class=\"nv\">$contentType<\/span> <span class=\"nt\">-Headers<\/span> <span class=\"nv\">$headers<\/span> <span class=\"nt\">-Body<\/span> <span class=\"nv\">$allBooksQuery<\/span><span class=\"p\">)<\/span> <span class=\"o\">|<\/span> <span class=\"n\">ConvertTo-Json<\/span> <span class=\"nt\">-Depth<\/span> <span class=\"nx\">10<\/span>\r\n<\/code><\/pre>\n<p>\u6267\u884c\u540e\uff0c\u6211\u786e\u8ba4\u4e86allBooks\u67e5\u8be2\u8fd4\u56de\u4e86\u4ee5\u4e0b\u7ed3\u679c\u3002<\/p>\n<details>\u6240\u6709\u56fe\u4e66\u67e5\u8be2\u7ed3\u679c{<br \/>\n&#8220;data&#8221;: {<br \/>\n&#8220;allBooks&#8221;: [<br \/>\n{<br \/>\n&#8220;id&#8221;: &#8220;751494de-0769-454a-a4dc-466c479d7bd5&#8221;,<br \/>\n&#8220;title&#8221;: &#8220;Amazon Web Services\u57fa\u7840\u4ece\u7f51\u7edc\u548c\u670d\u52a1\u5668\u642d\u5efa\u5f00\u59cb&#8221;,<br \/>\n&#8220;subtitle&#8221;: &#8220;\u89e6\u6478\u5b66\u4e60\u4e91\u57fa\u7840\u8bbe\u65bd&#8221;,<br \/>\n&#8220;isbn&#8221;: &#8220;9784822262969&#8221;,<br \/>\n&#8220;authors&#8221;: [<br \/>\n&#8220;\u7389\u5ddd\u61b2&#8221;,<br \/>\n&#8220;\u7247\u5c71\u6681\u96c4&#8221;,<br \/>\n&#8220;\u4eca\u4e95\u96c4\u592a&#8221;<br \/>\n],<br \/>\n&#8220;publishedDate&#8221;: &#8220;2014-07-22&#8221;,<br \/>\n&#8220;thumbnailLink&#8221;: &#8220;http:\/\/books.google.com\/books\/content?id=zMzgoAEACAAJ&amp;printsec=frontcover&amp;img=1&amp;zoom=1&amp;source=gbs_api&#8221;<br \/>\n},<br \/>\n{<br \/>\n&#8220;id&#8221;: &#8220;0aac1d4a-f622-4b60-a75c-c9b1e151562d&#8221;,<br \/>\n&#8220;title&#8221;: &#8220;\u6539\u7248\u5f7b\u5e95\u653b\u7565AWS\u8ba4\u8bc1\u89e3\u51b3\u65b9\u6848\u67b6\u6784\u5e08 &#8211; \u8bfe\u672c\uff3bSAA-C02\uff3d\u5bf9\u5e94&#8221;,<br \/>\n&#8220;subtitle&#8221;: &#8220;&#8221;,<br \/>\n&#8220;isbn&#8221;: &#8220;9784295010654&#8221;,<br \/>\n&#8220;authors&#8221;: [<br \/>\n&#8220;\u9e1f\u8c37\u90e8\u662d\u5bbd&#8221;,<br \/>\n&#8220;\u5bab\u53e3\u5149\u5e73&#8221;,<br \/>\n&#8220;\u83d6\u84b2\u6df3\u53f8&#8221;<br \/>\n],<br \/>\n&#8220;publishedDate&#8221;: &#8220;2021-01-08&#8221;,<br \/>\n&#8220;thumbnailLink&#8221;: &#8220;http:\/\/books.google.com\/books\/content?id=a7USEAAAQBAJ&amp;printsec=frontcover&amp;img=1&amp;zoom=1&amp;edge=curl&amp;source=gbs_api&#8221;<br \/>\n}<br \/>\n]<br \/>\n}<br \/>\n}<\/p>\n<\/details>\n<pre class=\"post-pre\"><code><span class=\"n\">aws<\/span> <span class=\"nx\">dynamodb<\/span> <span class=\"nx\">scan<\/span> <span class=\"nt\">--table-name<\/span> <span class=\"s2\">\"books\"<\/span> <span class=\"nt\">--profile<\/span> <span class=\"nx\">enggrp<\/span>\r\n<\/code><\/pre>\n<p>\u6211\u4e5f\u786e\u8ba4\u4e86\u6570\u636e\u5e93\u4e2d\u6709\u6570\u636e\u88ab\u63d2\u5165\u3002<\/p>\n<details>aws dynamodb scan\u7684\u7ed3\u679c{<br \/>\n&#8220;Items&#8221;: [<br \/>\n{<br \/>\n&#8220;thumbnailLink&#8221;: {<br \/>\n&#8220;S&#8221;: &#8220;http:\/\/books.google.com\/books\/content?id=zMzgoAEACAAJ&amp;printsec=frontcover&amp;img=1&amp;zoom=1&amp;source=gbs_api&#8221;<br \/>\n},<br \/>\n&#8220;isbn&#8221;: {<br \/>\n&#8220;S&#8221;: &#8220;9784822262969&#8221;<br \/>\n},<br \/>\n&#8220;subtitle&#8221;: {<br \/>\n&#8220;S&#8221;: &#8220;\u901a\u8fc7\u5b9e\u8df5\u5b66\u4e60\u4e91\u57fa\u7840\u8bbe\u65bd&#8221;<br \/>\n},<br \/>\n&#8220;id&#8221;: {<br \/>\n&#8220;S&#8221;: &#8220;751494de-0769-454a-a4dc-466c479d7bd5&#8221;<br \/>\n},<br \/>\n&#8220;publishedDate&#8221;: {<br \/>\n&#8220;S&#8221;: &#8220;2014-07-22&#8221;<br \/>\n},<br \/>\n&#8220;title&#8221;: {<br \/>\n&#8220;S&#8221;: &#8220;Amazon Web Services\u4ece\u57fa\u7840\u5f00\u59cb\u7684\u7f51\u7edc\u548c\u670d\u52a1\u5668\u6784\u5efa&#8221;<br \/>\n},<br \/>\n&#8220;authors&#8221;: {<br \/>\n&#8220;L&#8221;: [<br \/>\n{<br \/>\n&#8220;S&#8221;: &#8220;\u7389\u5ddd\u61b2&#8221;<br \/>\n},<br \/>\n{<br \/>\n&#8220;S&#8221;: &#8220;\u7247\u5c71\u6681\u96c4&#8221;<br \/>\n},<br \/>\n{<br \/>\n&#8220;S&#8221;: &#8220;\u4eca\u4e95\u96c4\u592a&#8221;<br \/>\n}<br \/>\n]<br \/>\n}<br \/>\n},<br \/>\n{<br \/>\n&#8220;thumbnailLink&#8221;: {<br \/>\n&#8220;S&#8221;: &#8220;http:\/\/books.google.com\/books\/content?id=a7USEAAAQBAJ&amp;printsec=frontcover&amp;img=1&amp;zoom=1&amp;edge=curl&amp;source=gbs_api&#8221;<br \/>\n},<br \/>\n&#8220;isbn&#8221;: {<br \/>\n&#8220;S&#8221;: &#8220;9784295010654&#8221;<br \/>\n},<br \/>\n&#8220;subtitle&#8221;: {<br \/>\n&#8220;S&#8221;: &#8220;&#8221;<br \/>\n},<br \/>\n&#8220;id&#8221;: {<br \/>\n&#8220;S&#8221;: &#8220;0aac1d4a-f622-4b60-a75c-c9b1e151562d&#8221;<br \/>\n},<br \/>\n&#8220;publishedDate&#8221;: {<br \/>\n&#8220;S&#8221;: &#8220;2021-01-08&#8221;<br \/>\n},<br \/>\n&#8220;title&#8221;: {<br \/>\n&#8220;S&#8221;: &#8220;\u5b8c\u5168\u653b\u7565AWS\u8ba4\u8bc1\u89e3\u51b3\u65b9\u6848\u67b6\u6784\u5e08-Associate\u6559\u79d1\u4e66[SAA-C02]\u652f\u6301\u7248&#8221;<br \/>\n},<br \/>\n&#8220;authors&#8221;: {<br \/>\n&#8220;L&#8221;: [<br \/>\n{<br \/>\n&#8220;S&#8221;: &#8220;\u9e1f\u8c37\u90e8\u662d\u5bdb&#8221;<br \/>\n},<br \/>\n{<br \/>\n&#8220;S&#8221;: &#8220;\u5bab\u53e3\u5149\u5e73&#8221;<br \/>\n},<br \/>\n{<br \/>\n&#8220;S&#8221;: &#8220;\u83d6\u84b2\u6df3\u53f8&#8221;<br \/>\n}<br \/>\n]<br \/>\n}<br \/>\n}<br \/>\n],<br \/>\n&#8220;Count&#8221;: 2,<br \/>\n&#8220;ScannedCount&#8221;: 2,<br \/>\n&#8220;ConsumedCapacity&#8221;: null<br \/>\n}<\/p>\n<\/details>\n<h1>\u4f5c\u8005\u5728\u672c\u6587\u7684\u7ed3\u5c3e\u7559\u4e0b\u4e86\u4e00\u6bb5\u8bdd\u3002<\/h1>\n<p>\u5982\u679c\u4f60\u641c\u7d22\u5982\u4f55\u6784\u5efaAppSync\uff0c\u4f60\u4f1a\u7ecf\u5e38\u770b\u5230Amplify 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