{"id":2129,"date":"2025-08-30T20:41:15","date_gmt":"2025-08-30T12:41:15","guid":{"rendered":"https:\/\/www.fanyamin.com\/wordpress\/?p=2129"},"modified":"2025-08-30T20:41:15","modified_gmt":"2025-08-30T12:41:15","slug":"day-8-go-web-%e6%a1%86%e6%9e%b6%e5%bf%ab%e9%80%9f%e4%b8%8a%e6%89%8b","status":"publish","type":"post","link":"https:\/\/www.fanyamin.com\/wordpress\/?p=2129","title":{"rendered":"Day 8: Go Web \u6846\u67b6\u5feb\u901f\u4e0a\u624b"},"content":{"rendered":"<h1><strong>Day 8\uff1aGo Web \u6846\u67b6\u5feb\u901f\u4e0a\u624b<\/strong><\/h1>\n<h2>1. \u80cc\u666f\u4e0e\u76ee\u6807<\/h2>\n<p>\u5728\u524d\u51e0\u5929\u7684\u5b66\u4e60\u4e2d\uff0c\u6211\u4eec\u5df2\u7ecf\u638c\u63e1\u4e86 Go \u7684\u57fa\u7840\u8bed\u6cd5\u3001\u5e76\u53d1\u6a21\u578b\u548c\u4e00\u4e9b\u5de5\u5177\u94fe\u3002\u4eca\u5929\u6211\u4eec\u8981\u628a Go \u4f5c\u4e3a <strong>Web \u540e\u7aef\u8bed\u8a00<\/strong> \u6765\u4f7f\u7528\u3002<\/p>\n<p>\u672c\u7ae0\u76ee\u6807\uff1a<\/p>\n<ol>\n<li>\u7406\u89e3 <strong>\u6807\u51c6\u5e93 <code>net\/http<\/code> \u7684\u7279\u70b9\u4e0e\u4e0d\u8db3<\/strong><\/li>\n<li>\u719f\u6089 <strong>\u4e3b\u6d41 Web \u6846\u67b6 Gin\/Fiber<\/strong> \u7684\u7528\u6cd5<\/li>\n<li>\u901a\u8fc7 <strong>\u5b9e\u73b0\u7528\u6237\u6ce8\u518c\u4e0e\u767b\u5f55\u63a5\u53e3<\/strong> \u6765\u5b9e\u6218\u6f14\u7ec3<\/li>\n<\/ol>\n<hr \/>\n<h2>2. \u6807\u51c6\u5e93 net\/http<\/h2>\n<p>Go \u5185\u7f6e\u7684 <code>net\/http<\/code> \u975e\u5e38\u7b80\u6d01\uff0c\u5b83\u5185\u7f6e\u4e86 HTTP Server \u548c Client\uff0c\u4ee3\u7801\u98ce\u683c\u504f\u4f4e\u7ea7\uff0c\u4f46\u5f88\u7075\u6d3b\u3002<\/p>\n<h3>\u793a\u4f8b\uff1aHello World<\/h3>\n<pre><code class=\"language-go\">package main\n\nimport (\n    &quot;fmt&quot;\n    &quot;net\/http&quot;\n)\n\nfunc helloHandler(w http.ResponseWriter, r *http.Request) {\n    fmt.Fprintf(w, &quot;Hello, Go Web!&quot;)\n}\n\nfunc main() {\n    http.HandleFunc(&quot;\/hello&quot;, helloHandler)\n    fmt.Println(&quot;Server started at :8080&quot;)\n    http.ListenAndServe(&quot;:8080&quot;, nil)\n}<\/code><\/pre>\n<p>\u542f\u52a8\u540e\u8bbf\u95ee <code>http:\/\/localhost:8080\/hello<\/code>\uff0c\u5373\u53ef\u770b\u5230\u8fd4\u56de\u7684\u6587\u672c\u3002<\/p>\n<p><strong>\u4f18\u70b9\uff1a<\/strong><\/p>\n<ul>\n<li>\u65e0\u9700\u7b2c\u4e09\u65b9\u4f9d\u8d56<\/li>\n<li>\u7b80\u5355\u3001\u8f7b\u91cf<\/li>\n<li>\u5185\u7f6e HTTP \u670d\u52a1\u5668\u6027\u80fd\u4e0d\u9519<\/li>\n<\/ul>\n<p><strong>\u4e0d\u8db3\uff1a<\/strong><\/p>\n<ul>\n<li>\u8def\u7531\u89c4\u5219\u7b80\u5355\uff08\u53ea\u652f\u6301\u5b57\u7b26\u4e32\u5339\u914d\uff0c\u4e0d\u652f\u6301\u590d\u6742\u8def\u7531\u53c2\u6570\uff09<\/li>\n<li>\u6ca1\u6709\u5185\u7f6e\u7684\u4e2d\u95f4\u4ef6\u673a\u5236\uff08\u65e5\u5fd7\u3001\u9274\u6743\u8981\u624b\u5199\uff09<\/li>\n<li>JSON \u89e3\u6790\/\u7ed1\u5b9a\/\u54cd\u5e94\u9700\u8981\u91cd\u590d\u7f16\u7801<\/li>\n<\/ul>\n<hr \/>\n<h2>3. Gin \u6846\u67b6<\/h2>\n<p>Gin \u662f\u76ee\u524d Go \u6700\u6d41\u884c\u7684 Web \u6846\u67b6\uff0c\u7279\u70b9\u662f <strong>\u8def\u7531\u7075\u6d3b\u3001\u6027\u80fd\u9ad8\u3001\u4e2d\u95f4\u4ef6\u751f\u6001\u4e30\u5bcc<\/strong>\u3002<\/p>\n<h3>Hello World with Gin<\/h3>\n<pre><code class=\"language-go\">package main\n\nimport (\n    &quot;github.com\/gin-gonic\/gin&quot;\n)\n\nfunc main() {\n    r := gin.Default()\n    r.GET(&quot;\/hello&quot;, func(c *gin.Context) {\n        c.JSON(200, gin.H{&quot;message&quot;: &quot;Hello Gin!&quot;})\n    })\n    r.Run(&quot;:8080&quot;)\n}<\/code><\/pre>\n<p>\u8bbf\u95ee <code>http:\/\/localhost:8080\/hello<\/code> \u5373\u53ef\u8fd4\u56de JSON\u3002<\/p>\n<p><strong>\u4f18\u70b9\uff1a<\/strong><\/p>\n<ul>\n<li>\u5185\u7f6e JSON \u89e3\u6790\u3001\u7ed1\u5b9a\u3001\u54cd\u5e94<\/li>\n<li>\u7075\u6d3b\u7684\u8def\u7531\uff08\u652f\u6301\u53c2\u6570\u548c\u5206\u7ec4\uff09<\/li>\n<li>\u4e30\u5bcc\u7684\u4e2d\u95f4\u4ef6\uff08\u65e5\u5fd7\u3001\u9274\u6743\u3001CORS \u7b49\uff09<\/li>\n<li>\u793e\u533a\u6d3b\u8dc3<\/li>\n<\/ul>\n<hr \/>\n<h2>4. Fiber \u6846\u67b6<\/h2>\n<p>Fiber \u662f\u4e00\u4e2a\u53d7 Express.js \u542f\u53d1\u7684 Web \u6846\u67b6\uff0c\u57fa\u4e8e <code>fasthttp<\/code>\uff0c\u8ffd\u6c42\u6781\u81f4\u6027\u80fd\u3002<\/p>\n<h3>Hello World with Fiber<\/h3>\n<pre><code class=\"language-go\">package main\n\nimport (\n    &quot;github.com\/gofiber\/fiber\/v2&quot;\n)\n\nfunc main() {\n    app := fiber.New()\n\n    app.Get(&quot;\/hello&quot;, func(c *fiber.Ctx) error {\n        return c.JSON(fiber.Map{&quot;message&quot;: &quot;Hello Fiber!&quot;})\n    })\n\n    app.Listen(&quot;:8080&quot;)\n}<\/code><\/pre>\n<p>Fiber \u7684 API \u98ce\u683c\u5f88\u50cf Node.js \u7684 Express\uff0c\u4e0a\u624b\u66f4\u5feb\u3002<\/p>\n<hr \/>\n<h2>5. \u5b9e\u6218\uff1a\u5b9e\u73b0\u7528\u6237\u6ce8\u518c\u4e0e\u767b\u5f55\u63a5\u53e3<\/h2>\n<p>\u6211\u4eec\u6765\u5199\u4e00\u4e2a\u7b80\u5355\u7684\u7528\u6237\u7cfb\u7edf\uff0c\u5305\u542b <strong>\u6ce8\u518c + \u767b\u5f55<\/strong> \u63a5\u53e3\u3002<\/p>\n<h3>\u6570\u636e\u7ed3\u6784<\/h3>\n<pre><code class=\"language-go\">type User struct {\n    Username string `json:&quot;username&quot;`\n    Password string `json:&quot;password&quot;`\n}<\/code><\/pre>\n<p>\u4e3a\u4e86\u7b80\u5316\uff0c\u672c\u4f8b\u76f4\u63a5\u5728\u5185\u5b58\u91cc\u5b58\u50a8\u7528\u6237\u6570\u636e\uff08\u771f\u5b9e\u9879\u76ee\u4f1a\u7528\u6570\u636e\u5e93 + \u5bc6\u7801\u54c8\u5e0c\uff09\u3002<\/p>\n<h3>Gin \u5b9e\u73b0<\/h3>\n<pre><code class=\"language-go\">package main\n\nimport (\n    &quot;github.com\/gin-gonic\/gin&quot;\n    &quot;net\/http&quot;\n)\n\nvar users = make(map[string]string) \/\/ username -&gt; password\n\nfunc main() {\n    r := gin.Default()\n\n    \/\/ \u7528\u6237\u6ce8\u518c\n    r.POST(&quot;\/register&quot;, func(c *gin.Context) {\n        var user User\n        if err := c.ShouldBindJSON(&amp;user); err != nil {\n            c.JSON(http.StatusBadRequest, gin.H{&quot;error&quot;: &quot;Invalid input&quot;})\n            return\n        }\n\n        if _, exists := users[user.Username]; exists {\n            c.JSON(http.StatusConflict, gin.H{&quot;error&quot;: &quot;User already exists&quot;})\n            return\n        }\n\n        users[user.Username] = user.Password\n        c.JSON(http.StatusOK, gin.H{&quot;message&quot;: &quot;User registered successfully&quot;})\n    })\n\n    \/\/ \u7528\u6237\u767b\u5f55\n    r.POST(&quot;\/login&quot;, func(c *gin.Context) {\n        var user User\n        if err := c.ShouldBindJSON(&amp;user); err != nil {\n            c.JSON(http.StatusBadRequest, gin.H{&quot;error&quot;: &quot;Invalid input&quot;})\n            return\n        }\n\n        if pwd, exists := users[user.Username]; !exists || pwd != user.Password {\n            c.JSON(http.StatusUnauthorized, gin.H{&quot;error&quot;: &quot;Invalid username or password&quot;})\n            return\n        }\n\n        c.JSON(http.StatusOK, gin.H{&quot;message&quot;: &quot;Login successful&quot;})\n    })\n\n    r.Run(&quot;:8080&quot;)\n}\n\ntype User struct {\n    Username string `json:&quot;username&quot;`\n    Password string `json:&quot;password&quot;`\n}<\/code><\/pre>\n<h3>\u6d4b\u8bd5<\/h3>\n<p>\u4f7f\u7528 curl \u6216 Postman\uff1a<\/p>\n<p>\u6ce8\u518c\uff1a<\/p>\n<pre><code class=\"language-bash\">curl -X POST http:\/\/localhost:8080\/register \\\n  -H &quot;Content-Type: application\/json&quot; \\\n  -d &#039;{&quot;username&quot;:&quot;alice&quot;,&quot;password&quot;:&quot;123456&quot;}&#039;<\/code><\/pre>\n<p>\u767b\u5f55\uff1a<\/p>\n<pre><code class=\"language-bash\">curl -X POST http:\/\/localhost:8080\/login \\\n  -H &quot;Content-Type: application\/json&quot; \\\n  -d &#039;{&quot;username&quot;:&quot;alice&quot;,&quot;password&quot;:&quot;123456&quot;}&#039;<\/code><\/pre>\n<hr \/>\n<h2>6. \u5c0f\u7ed3<\/h2>\n<ul>\n<li>Go \u6807\u51c6\u5e93 <code>net\/http<\/code> \u7b80\u6d01\u4f46\u504f\u5e95\u5c42<\/li>\n<li>Gin \u63d0\u4f9b\u4e86\u73b0\u4ee3 Web \u5f00\u53d1\u9700\u8981\u7684\u8def\u7531\u3001\u4e2d\u95f4\u4ef6\u3001JSON \u652f\u6301<\/li>\n<li>Fiber \u66f4\u9002\u5408\u8ffd\u6c42\u6781\u81f4\u6027\u80fd\u7684\u573a\u666f<\/li>\n<li>\u901a\u8fc7\u6ce8\u518c\/\u767b\u5f55\u63a5\u53e3\u5b9e\u8df5\uff0c\u6211\u4eec\u5b66\u4f1a\u4e86 API \u7684\u8bbe\u8ba1\u548c JSON \u5904\u7406<\/li>\n<\/ul>\n<hr \/>\n<p>\u2705 \u4eca\u5929\u7684\u7ec3\u4e60\u4efb\u52a1\uff1a<\/p>\n<ol>\n<li>\u7528 <code>net\/http<\/code> \u5199\u4e00\u7248\u6ce8\u518c\/\u767b\u5f55\u63a5\u53e3<\/li>\n<li>\u7528 Gin \u5199\u4e00\u7248\uff08\u5982\u4e0a\u6240\u793a\uff09<\/li>\n<li>\u601d\u8003\uff1a\u5982\u679c\u8981\u628a\u5bc6\u7801\u5b58\u6570\u636e\u5e93\uff0c\u5e94\u8be5\u5982\u4f55\u8bbe\u8ba1\uff1f<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>Day 8\uff1aGo Web \u6846\u67b6\u5feb\u901f\u4e0a\u624b 1. \u80cc\u666f\u4e0e\u76ee\u6807 \u5728\u524d\u51e0\u5929\u7684\u5b66\u4e60\u4e2d\uff0c\u6211\u4eec\u5df2\u7ecf\u638c\u63e1\u4e86 Go \u7684\u57fa\u7840\u8bed\u6cd5\u3001\u5e76\u53d1\u6a21\u578b\u548c\u4e00\u4e9b\u5de5\u5177\u94fe\u3002\u4eca\u5929\u6211\u4eec\u8981\u628a Go \u4f5c\u4e3a Web \u540e\u7aef\u8bed\u8a00 \u6765\u4f7f\u7528\u3002 \u672c\u7ae0\u76ee\u6807\uff1a \u7406\u89e3 \u6807\u51c6\u5e93 net\/http \u7684\u7279\u70b9\u4e0e\u4e0d\u8db3 \u719f\u6089 \u4e3b\u6d41 Web \u6846\u67b6 Gin\/Fiber \u7684\u7528\u6cd5 \u901a\u8fc7 \u5b9e\u73b0\u7528\u6237\u6ce8\u518c\u4e0e\u767b\u5f55\u63a5\u53e3 \u6765\u5b9e\u6218\u6f14\u7ec3 2. \u6807\u51c6\u5e93 net\/http Go \u5185\u7f6e\u7684 net\/http \u975e\u5e38\u7b80\u6d01\uff0c\u5b83\u5185\u7f6e\u4e86 HTTP Server \u548c Client\uff0c\u4ee3\u7801\u98ce\u683c\u504f\u4f4e\u7ea7\uff0c\u4f46\u5f88\u7075\u6d3b\u3002 \u793a\u4f8b\uff1aHello World package main import ( &quot;fmt&quot; &quot;net\/http&quot; ) func helloHandler(w http.ResponseWriter, r *http.Request) { fmt.Fprintf(w, [&hellip;] <a class=\"read-more\" href=\"https:\/\/www.fanyamin.com\/wordpress\/?p=2129\" title=\"Permanent Link to: Day 8: Go Web \u6846\u67b6\u5feb\u901f\u4e0a\u624b\">&rarr;Read&nbsp;more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-2129","post","type-post","status-publish","format-standard","hentry","category-5"],"_links":{"self":[{"href":"https:\/\/www.fanyamin.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/2129"}],"collection":[{"href":"https:\/\/www.fanyamin.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fanyamin.com\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fanyamin.com\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fanyamin.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2129"}],"version-history":[{"count":1,"href":"https:\/\/www.fanyamin.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/2129\/revisions"}],"predecessor-version":[{"id":2130,"href":"https:\/\/www.fanyamin.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/2129\/revisions\/2130"}],"wp:attachment":[{"href":"https:\/\/www.fanyamin.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2129"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fanyamin.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2129"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fanyamin.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2129"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}