{"id":42190,"date":"2022-12-14T14:22:14","date_gmt":"2022-12-01T09:57:09","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%88%91%e4%bd%bf%e7%94%a8render-com%e6%9d%a5%e5%bf%ab%e9%80%9f%e9%83%a8%e7%bd%b2go%e5%92%8cpostgresql%e3%80%82\/"},"modified":"2024-04-29T05:15:16","modified_gmt":"2024-04-28T21:15:16","slug":"%e6%88%91%e4%bd%bf%e7%94%a8render-com%e6%9d%a5%e5%bf%ab%e9%80%9f%e9%83%a8%e7%bd%b2go%e5%92%8cpostgresql%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%88%91%e4%bd%bf%e7%94%a8render-com%e6%9d%a5%e5%bf%ab%e9%80%9f%e9%83%a8%e7%bd%b2go%e5%92%8cpostgresql%e3%80%82\/","title":{"rendered":"\u6211\u4f7f\u7528Render.com\u6765\u5feb\u901f\u90e8\u7f72Go\u548cPostgreSQL"},"content":{"rendered":"<p>\u4f60\u597d\uff01\u5982\u679c\u80fd\u591f\u5bf9\u6211\u6210\u529f\u5730\u5c06Go\u548cPostgreSQL\u90e8\u7f72\u5f97\u6bd4\u9884\u671f\u66f4\u7b80\u5355\u4e00\u4e9b\u6709\u6240\u5e2e\u52a9\u7684\u8bdd\uff0c\u6211\u4f1a\u975e\u5e38\u5f00\u5fc3\u3002<\/p>\n<h2>\u63a8\u8350\u7ed9\u8fd9\u6837\u7684\u4eba<\/h2>\n<ul class=\"post-ul\">\u3088\u308a\u624b\u8efd\u306bGo\u3068PostgreSQL\u3092\u30c7\u30d7\u30ed\u30a4\u3057\u3066DB\u304b\u3089\u53d6\u5f97\u3001\u4fdd\u5b58\u7b49\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u305f\u3044<\/ul>\n<h3>\u8fd9\u7bc7\u6587\u7ae0\u6ca1\u6709\u63d0\u53ca\u7684\u5185\u5bb9\u3002<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Go\u306e\u6587\u6cd5\u306b\u95a2\u3057\u3066<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u5404\u7a2e\u30b5\u30a4\u30c8\u3084\u30c4\u30fc\u30eb\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u65b9\u6cd5<\/ul>\n<h2>\u672c\u6b21\u4f7f\u7528\u7684Go\u6587\u4ef6<\/h2>\n<p>\u6211\u5011\u5c07\u4f7f\u7528\u5728\u9019\u7bc7\u6587\u7ae0\u4e2d\u5be6\u73fe\u7684Go\u6a94\u6848\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u4ed3\u5e93\u5728\u4e0b\u9762\u5217\u51fa\u7684\u4f4d\u7f6e\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u5728render.com\u4e0a\u521b\u5efa\u8d26\u53f7\u3002<\/h2>\n<p>\u6211\u8981\u8bbf\u95ee\u4ee5\u4e0b\u7684\u7f51\u7ad9\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u6211\u8ba4\u4e3a\u4ee5\u4e0b\u6587\u7ae0\u53ef\u4ee5\u4f5c\u4e3a\u53c2\u8003\uff0c\u4e86\u89e3\u8d26\u53f7\u521b\u5efa\u7684\u6d41\u7a0b\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u521b\u5efa\u7528\u4e8e\u90e8\u7f72\u7684PostgreSQL\u6570\u636e\u5e93\u3002<\/h2>\n<p>\u5728\u8bbf\u95ee https:\/\/dashboard.render.com\/ \u540e\uff0c\u9009\u62e9 New + \u5e76\u9009\u62e9 PostgreSQL\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d4b2237434c4406cb64ee\/17-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2023-12-02 15.26.02.png\" \/><\/div>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d4b2237434c4406cb64ee\/18-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2023-12-02 15.27.15.png\" \/><\/div>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d4b2237434c4406cb64ee\/19-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2023-12-02 15.27.23.png\" \/><\/div>\n<p>\u5982\u679c\u6210\u529f\u521b\u5efa\uff0c\u6570\u636e\u5e93\u4fe1\u606f\u5c06\u88ab\u8bb0\u5f55\u5728connections\u5904\u3002\u672c\u6b21\u6211\u4eec\u5c06\u4f7f\u7528\u7ea2\u6846\u90e8\u5206\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d4b2237434c4406cb64ee\/21-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2023-12-02 15.34.44.png\" \/><\/div>\n<h2>\u521b\u5efa\u7528\u4e8e\u90e8\u7f72\u7684Go\u4ee3\u7801\u3002<\/h2>\n<p>\u5f9e\u65b0\u958b\u59cb\uff0c\u9078\u64c7\u7db2\u7d61\u670d\u52d9\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d4b2237434c4406cb64ee\/24-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2023-12-02 16.13.30.png\" \/><\/div>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d4b2237434c4406cb64ee\/25-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2023-12-02 15.38.54.png\" \/><\/div>\n<p>\u9009\u62e9\u8981\u90e8\u7f72\u7684\u5b58\u50a8\u5e93\u3002\u672c\u6b21\u5c06\u4f7f\u7528\u5b58\u50a8\u5e93\u4e2d\u7f16\u5199\u7684Go\u6587\u4ef6\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d4b2237434c4406cb64ee\/27-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2023-12-02 15.39.16.png\" \/><\/div>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d4b2237434c4406cb64ee\/28-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2023-12-02 15.41.58.png\" \/><\/div>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d4b2237434c4406cb64ee\/29-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2023-12-02 15.44.16.png\" \/><\/div>\n<pre class=\"post-pre\"><code><span class=\"k\">func<\/span> <span class=\"n\">main<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">host<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">os<\/span><span class=\"o\">.<\/span><span class=\"n\">Getenv<\/span><span class=\"p\">(<\/span><span class=\"s\">\"POSTGRES_HOSTNAME\"<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"n\">database<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">os<\/span><span class=\"o\">.<\/span><span class=\"n\">Getenv<\/span><span class=\"p\">(<\/span><span class=\"s\">\"POSTGRES_DB\"<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"n\">user<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">os<\/span><span class=\"o\">.<\/span><span class=\"n\">Getenv<\/span><span class=\"p\">(<\/span><span class=\"s\">\"POSTGRES_USER\"<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"n\">password<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">os<\/span><span class=\"o\">.<\/span><span class=\"n\">Getenv<\/span><span class=\"p\">(<\/span><span class=\"s\">\"POSTGRES_PASSWORD\"<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d4b2237434c4406cb64ee\/31-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2023-12-02 15.48.24.png\" \/><\/div>\n<p>\u6211\u8ba4\u4e3a\u5f88\u5feb\u90e8\u7f72\u5c31\u4f1a\u6210\u529f\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d4b2237434c4406cb64ee\/33-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2023-12-02 15.54.47.png\" \/><\/div>\n<pre class=\"post-pre\"><code>Dec 2 03:54:21 PM  ==&gt; Running '.\/app'\r\nDec 2 03:54:21 PM  Server is running on port 8080...\r\nDec 2 03:54:29 PM  Your service is live ?\r\n<\/code><\/pre>\n<h2>\u4f7f\u7528DB\u5ba2\u6237\u7aef\u5de5\u5177\u8fde\u63a5\u5230\u90e8\u7f72\u5728PostgreSQL\u4e0a\u7684\u6570\u636e\u5e93\u3002<\/h2>\n<p>\u6211\u60f3\u4f7f\u7528 https:\/\/tableplus.com\/ \u8fd9\u4e2a\u5de5\u5177\u3002<br \/>\n\u5b89\u88c5\u548c\u8bbe\u7f6e\u5b8c\u6210\u540e\uff0c\u53ef\u4ee5\u901a\u8fc7\u53f3\u952e\u5355\u51fb\u9009\u62e9Connection URL\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d4b2237434c4406cb64ee\/37-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2023-12-02 15.57.17.png\" \/><\/div>\n<p>\u5728\u8fd9\u91cc\u8d34\u4e0a\u7684URL\u5c06\u6210\u4e3a\u5916\u90e8\u6570\u636e\u5e93\u7684URL\u3002<br \/>\n\uff08\u53ef\u4ee5\u901a\u8fc7\u4e0a\u8ff0\u7684\u4eea\u8868\u677f\u9009\u9879\u5361\u67e5\u770bPostgreSQL\u7684\u4fe1\u606f\uff09<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d4b2237434c4406cb64ee\/39-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2023-12-02 15.59.02.png\" \/><\/div>\n<p>\u6211\u89c9\u5f97\u4f60\u53ef\u4ee5\u4ee5\u8fd9\u6837\u7684\u611f\u89c9\u6253\u5f00\u8bbe\u7f6e\u754c\u9762\uff0c\u7136\u540e\u70b9\u51fb\u8fde\u63a5\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d4b2237434c4406cb64ee\/41-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2023-12-02 16.01.45.png\" \/><\/div>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d4b2237434c4406cb64ee\/42-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2023-12-02 16.03.10.png\" \/><\/div>\n<p>\u987a\u4fbf\u63d0\u4e00\u4e0b\uff0c\u7528\u6237\u8868\u662f\u901a\u8fc7\u4e0b\u9762\u7684\u90e8\u5206\u751f\u6210\u7684\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">func<\/span> <span class=\"n\">UsersMigrate<\/span><span class=\"p\">(<\/span><span class=\"n\">db<\/span> <span class=\"o\">*<\/span><span class=\"n\">sql<\/span><span class=\"o\">.<\/span><span class=\"n\">DB<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n\t<span class=\"k\">var<\/span> <span class=\"n\">count<\/span> <span class=\"kt\">int<\/span>\r\n\t<span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">db<\/span><span class=\"o\">.<\/span><span class=\"n\">QueryRow<\/span><span class=\"p\">(<\/span><span class=\"s\">\"SELECT COUNT(*) FROM information_schema.tables WHERE table_name = 'users'\"<\/span><span class=\"p\">)<\/span><span class=\"o\">.<\/span><span class=\"n\">Scan<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"n\">count<\/span><span class=\"p\">)<\/span>\r\n\t<span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n\t\t<span class=\"nb\">panic<\/span><span class=\"p\">(<\/span><span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n\t<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h2>\u6211\u8bd5\u7740\u6267\u884cAPI\u3002<\/h2>\n<p>\u5728\u4eea\u8868\u76d8\u4e0a\u9009\u62e9Web\u670d\u52a1\uff0c\u5e76\u67e5\u770bGo\u7684\u7aef\u70b9\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d4b2237434c4406cb64ee\/47-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2023-12-02 16.04.01.png\" \/><\/div>\n<p>\u5c1d\u8bd5\u6267\u884cAPI\u3002\u53c2\u8003\u4e0b\u9762\u7684\u7aef\u70b9\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">func<\/span> <span class=\"n\">Users<\/span><span class=\"p\">(<\/span><span class=\"n\">db<\/span> <span class=\"o\">*<\/span><span class=\"n\">sql<\/span><span class=\"o\">.<\/span><span class=\"n\">DB<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n\t<span class=\"n\">http<\/span><span class=\"o\">.<\/span><span class=\"n\">HandleFunc<\/span><span class=\"p\">(<\/span><span class=\"s\">\"\/users\/get\"<\/span><span class=\"p\">,<\/span> <span class=\"k\">func<\/span><span class=\"p\">(<\/span><span class=\"n\">w<\/span> <span class=\"n\">http<\/span><span class=\"o\">.<\/span><span class=\"n\">ResponseWriter<\/span><span class=\"p\">,<\/span> <span class=\"n\">r<\/span> <span class=\"o\">*<\/span><span class=\"n\">http<\/span><span class=\"o\">.<\/span><span class=\"n\">Request<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n\t\t<span class=\"c\">\/\/ \u7701\u7565<\/span>\r\n\t<span class=\"p\">})<\/span>\r\n\r\n\t<span class=\"n\">http<\/span><span class=\"o\">.<\/span><span class=\"n\">HandleFunc<\/span><span class=\"p\">(<\/span><span class=\"s\">\"\/users\/create\"<\/span><span class=\"p\">,<\/span> <span class=\"k\">func<\/span><span class=\"p\">(<\/span><span class=\"n\">w<\/span> <span class=\"n\">http<\/span><span class=\"o\">.<\/span><span class=\"n\">ResponseWriter<\/span><span class=\"p\">,<\/span> <span class=\"n\">r<\/span> <span class=\"o\">*<\/span><span class=\"n\">http<\/span><span class=\"o\">.<\/span><span class=\"n\">Request<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"c\">\/\/ \u7701\u7565<\/span>\r\n    <span class=\"p\">})<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>% curl -X GET https:\/\/go-test-e5bk.onrender.com\/users\/get\r\n[{\"Id\":1,\"Name\":\"Smith\"},{\"Id\":2,\"Name\":\"Johnson\"},{\"Id\":3,\"Name\":\"Brown\"}]\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>% curl -X POST   -d '{ \"name\": \"Bob\" }' https:\/\/go-test-e5bk.onrender.com\/users\/create\r\n{\"Id\":4,\"Name\":\"Bob\"}\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>mikaijun@MacBook-Pro ~ % curl -X GET https:\/\/go-test-e5bk.onrender.com\/users\/get                             \r\n[{\"Id\":1,\"Name\":\"Smith\"},{\"Id\":2,\"Name\":\"Johnson\"},{\"Id\":3,\"Name\":\"Brown\"},{\"Id\":4,\"Name\":\"Bob\"}]\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d4b2237434c4406cb64ee\/53-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2023-12-02 16.08.57.png\" \/><\/div>\n<p>\u611f\u8c22\u60a8\u9605\u8bfb\u4ee5\u4e0a\u5185\u5bb9\u3002<br \/>\n\u5e0c\u671b\u8fd9\u4e9b\u5173\u4e8eGo\u90e8\u7f72\u7684\u4fe1\u606f\u80fd\u5bf9\u60a8\u6709\u6240\u5e2e\u52a9\u3002<br \/>\n\u975e\u5e38\u611f\u8c22\u60a8\u7684\u9605\u8bfb\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f60\u597d\uff01\u5982\u679c\u80fd\u591f\u5bf9\u6211\u6210\u529f\u5730\u5c06Go\u548cPostgreSQL\u90e8\u7f72\u5f97\u6bd4\u9884\u671f\u66f4\u7b80\u5355\u4e00\u4e9b\u6709\u6240\u5e2e\u52a9\u7684\u8bdd\uff0c\u6211\u4f1a\u975e\u5e38\u5f00\u5fc3\u3002 \u63a8\u8350\u7ed9 [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-42190","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"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>\u6211\u4f7f\u7528Render.com\u6765\u5feb\u901f\u90e8\u7f72Go\u548cPostgreSQL - Blog - Silicon Cloud<\/title>\n<meta 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