{"id":5828,"date":"2024-04-16T00:21:14","date_gmt":"2024-04-15T16:21:14","guid":{"rendered":"http:\/\/zyg.luchers.cn\/?p=5828"},"modified":"2024-04-16T00:21:14","modified_gmt":"2024-04-15T16:21:14","slug":"%e4%b8%89%e3%80%81springmvc%e5%93%8d%e5%ba%94%e6%95%b0%e6%8d%ae%ef%bc%88%e9%a1%b5%e9%9d%a2%e8%b7%b3%e8%bd%ac%e6%8e%a7%e5%88%b6%e3%80%81%e8%bf%94%e5%9b%9ejson%e6%95%b0%e6%8d%ae%e3%80%81%e8%bf%94","status":"publish","type":"post","link":"http:\/\/zyg.luchers.cn\/index.php\/2024\/04\/16\/%e4%b8%89%e3%80%81springmvc%e5%93%8d%e5%ba%94%e6%95%b0%e6%8d%ae%ef%bc%88%e9%a1%b5%e9%9d%a2%e8%b7%b3%e8%bd%ac%e6%8e%a7%e5%88%b6%e3%80%81%e8%bf%94%e5%9b%9ejson%e6%95%b0%e6%8d%ae%e3%80%81%e8%bf%94\/","title":{"rendered":"\u4e09\u3001SpringMVC\u54cd\u5e94\u6570\u636e\uff08\u9875\u9762\u8df3\u8f6c\u63a7\u5236\u3001\u8fd4\u56deJSON\u6570\u636e\u3001\u8fd4\u56de\u9759\u6001\u9875\u9762\uff09"},"content":{"rendered":"<p>\u4e09\u3001SpringMVC\u54cd\u5e94\u6570\u636e<\/p>\n<h2>1\u3001handler\u65b9\u6cd5\u5206\u6790<\/h2>\n<h3>1\u3001\u7406\u89e3handler\u65b9\u6cd5\u7684\u4f5c\u7528\u548c\u7ec4\u6210<\/h3>\n<p>1\u3001\u4f5c\u7528<\/p>\n<pre><code class=\"language-java\">\/**\n * TODO: \u4e00\u4e2acontroller\u7684\u65b9\u6cd5\u662f\u63a7\u5236\u5c42\u7684\u4e00\u4e2a\u5904\u7406\u5668,\u6211\u4eec\u79f0\u4e3ahandler\n * TODO: handler\u9700\u8981\u4f7f\u7528@RequestMapping\/@GetMapping\u7cfb\u5217,\u58f0\u660e\u8def\u5f84,\u5728HandlerMapping\u4e2d\u6ce8\u518c,\u4f9bDS\u67e5\u627e!\n * TODO: handler\u4f5c\u7528\u603b\u7ed3:\n *       1.\u63a5\u6536\u8bf7\u6c42\u53c2\u6570(param,json,pathVariable,\u5171\u4eab\u57df\u7b49) \n *       2.\u8c03\u7528\u4e1a\u52a1\u903b\u8f91 \n *       3.\u54cd\u5e94\u524d\u7aef\u6570\u636e(\u9875\u9762\uff08\u4e0d\u8bb2\u89e3\u6a21\u7248\u9875\u9762\u8df3\u8f6c\uff09,json,\u8f6c\u53d1\u548c\u91cd\u5b9a\u5411\u7b49)\n * TODO: handler\u5982\u4f55\u5904\u7406\u5462\n *       1.\u63a5\u6536\u53c2\u6570: handler(\u5f62\u53c2\u5217\u8868: \u4e3b\u8981\u7684\u4f5c\u7528\u5c31\u662f\u7528\u6765\u63a5\u6536\u53c2\u6570)\n *       2.\u8c03\u7528\u4e1a\u52a1: { \u65b9\u6cd5\u4f53  \u53ef\u4ee5\u5411\u540e\u8c03\u7528\u4e1a\u52a1\u65b9\u6cd5 service.xx() }\n *       3.\u54cd\u5e94\u6570\u636e: return \u8fd4\u56de\u7ed3\u679c,\u53ef\u4ee5\u5feb\u901f\u54cd\u5e94\u524d\u7aef\u6570\u636e\n *\/<\/code><\/pre>\n<p>2\u3001\u7ec4\u6210<\/p>\n<pre><code class=\"language-java\">@GetMapping\npublic Object handler(\u7b80\u5316\u8bf7\u6c42\u53c2\u6570\u63a5\u6536){\n    \u8c03\u7528\u4e1a\u52a1\u65b9\u6cd5\n    \u8fd4\u56de\u7684\u7ed3\u679c \uff08\u9875\u9762\u8df3\u8f6c\uff0c\u8fd4\u56de\u6570\u636e\uff08json\uff09\uff09\n    return \u7b80\u5316\u54cd\u5e94\u524d\u7aef\u6570\u636e;\n}<\/code><\/pre>\n<p>3\u3001\u603b\u7ed3<\/p>\n<ul>\n<li>\u8bf7\u6c42\u6570\u636e\u63a5\u6536\uff0c\u6211\u4eec\u90fd\u662f\u901a\u8fc7handler\u7684\u5f62\u53c2\u5217\u8868<\/li>\n<li>\u524d\u7aef\u6570\u636e\u54cd\u5e94\uff0c\u6211\u4eec\u90fd\u662f\u901a\u8fc7handler\u7684return\u5173\u952e\u5b57\u5feb\u901f\u5904\u7406\uff01<\/li>\n<li>springmvc\u7b80\u5316\u4e86\u53c2\u6570\u63a5\u6536\u548c\u54cd\u5e94\uff01<\/li>\n<\/ul>\n<h2>2\u3001\u9875\u9762\u8df3\u8f6c\u63a7\u5236<\/h2>\n<h3>1\u3001\u5f00\u53d1\u6a21\u5f0f\u56de\u987e<\/h3>\n<p>1\u3001\u524d\u540e\u7aef\u5206\u79bb\u3001\u6df7\u5408\u5f00\u53d1<\/p>\n<p>2\u3001\u56fe\u89e3<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/zyg.luchers.cn\/wp-content\/uploads\/2024\/04\/image-20240117005430411.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"http:\/\/zyg.luchers.cn\/wp-content\/uploads\/2024\/04\/image-20240117005430411.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"image-20240117005430411\" \/><\/div><\/p>\n<h4>1\u3001\u524d\u540e\u7aef\u5206\u79bb\u3010\u91cd\u70b9\u3011<\/h4>\n<p>1\u3001\u6307\u5c06\u524d\u7aef\u7684\u754c\u9762\u548c\u540e\u7aef\u7684\u4e1a\u52a1\u903b\u8f91\u901a\u8fc7\u63a5\u53e3\u5206\u79bb\u5f00\u53d1\u7684\u4e00\u79cd\u65b9\u5f0f\u3002\u5f00\u53d1\u4eba\u5458\u4f7f\u7528\u4e0d\u540c\u7684\u6280\u672f\u6808\u548c\u6846\u67b6\uff0c\u524d\u7aef\u5f00\u53d1\u4eba\u5458\u4e3b\u8981\u8d1f\u8d23\u9875\u9762\u7684\u5448\u73b0\u548c\u7528\u6237\u4ea4\u4e92\uff0c\u540e\u7aef\u5f00\u53d1\u4eba\u5458\u4e3b\u8981\u8d1f\u8d23\u4e1a\u52a1\u903b\u8f91\u548c\u6570\u636e\u5b58\u50a8\u3002\u524d\u540e\u7aef\u901a\u4fe1\u901a\u8fc7 API \u63a5\u53e3\u5b8c\u6210\uff0c\u6570\u636e\u683c\u5f0f\u4e00\u822c\u4f7f\u7528 JSON \u6216 XML\u3002\u524d\u540e\u7aef\u5206\u79bb\u6a21\u5f0f\u53ef\u4ee5\u63d0\u9ad8\u5f00\u53d1\u6548\u7387\uff0c\u540c\u65f6\u4e5f\u6709\u52a9\u4e8e\u4ee3\u7801\u91cd\u7528\u548c\u7ef4\u62a4\u3002<\/p>\n<p>2\u3001\u8bf4\u4eba\u8bdd\u5c31\u662f\uff1a\u540e\u7aef\u662f\u4e00\u4e2a\u72ec\u7acb\u7684\u9879\u76ee\uff0c\u524d\u7aef\u53ef\u4ee5\u901a\u8fc7pc\u3001Android\u3001ios\u7b49\u8bbf\u95ee\u8fd9\u4e2a\u540e\u7aef\u7684\u9879\u76ee\u3002\u6ee1\u8db3\u4e86\u66f4\u591a\u7684\u9700\u6c42\u3002<\/p>\n<h4>2\u3001\u6df7\u5408\u5f00\u53d1<\/h4>\n<p>1\u3001\u6307\u5c06\u524d\u7aef\u548c\u540e\u7aef\u7684\u4ee3\u7801\u96c6\u6210\u5728\u540c\u4e00\u4e2a\u9879\u76ee\u4e2d\uff0c\u5171\u4eab\u76f8\u540c\u7684\u6280\u672f\u6808\u548c\u6846\u67b6\u3002\u8fd9\u79cd\u6a21\u5f0f\u5728\u5c0f\u578b\u9879\u76ee\u4e2d\u6bd4\u8f83\u5e38\u89c1\uff0c\u53ef\u4ee5\u51cf\u5c11\u5b66\u4e60\u6210\u672c\u548c\u90e8\u7f72\u96be\u5ea6\u3002\u4f46\u662f\uff0c\u5728\u5927\u578b\u9879\u76ee\u4e2d\uff0c\u8fd9\u79cd\u6a21\u5f0f\u4f1a\u5bfc\u81f4\u4ee3\u7801\u8026\u5408\u6027\u5f88\u9ad8\uff0c\u7ef4\u62a4\u548c\u5347\u7ea7\u96be\u5ea6\u8f83\u5927\u3002<\/p>\n<p>2\u3001\u5c31\u662f\u6ca1\u6709\u524d\u540e\u7aef\u7684\u6982\u5ff5\uff0c\u5168\u90e8\u96c6\u6210\u5728\u4e00\u4e2a\u9879\u76ee\u4e2d\uff0c\u5171\u4eab\u7cfb\u7edf\u7684\u6280\u672f\u6808\u548c\u6846\u67b6<\/p>\n<p>3\u3001\u6240\u9700\u8981\u4f7f\u7528\u7684\u6280\u672f\uff1a\u52a8\u6001\u9875\u9762\u6280\u672f\u3001\u52a8\u6001\u5c55\u793ajava\u7684\u5171\u4eab\u6570\u636e<\/p>\n<h4>3\u3001jsp\u6280\u672f\u3010\u4e86\u89e3\u3011<\/h4>\n<p>1\u3001\u4e86\u89e3<\/p>\n<ul>\n<li>\u6307\u5c06\u524d\u7aef\u548c\u540e\u7aef\u7684\u4ee3\u7801\u96c6\u6210\u5728\u540c\u4e00\u4e2a\u9879\u76ee\u4e2d\uff0c\u5171\u4eab\u76f8\u540c\u7684\u6280\u672f\u6808\u548c\u6846\u67b6\u3002\u8fd9\u79cd\u6a21\u5f0f\u5728\u5c0f\u578b\u9879\u76ee\u4e2d\u6bd4\u8f83\u5e38\u89c1\uff0c\u53ef\u4ee5\u51cf\u5c11\u5b66\u4e60\u6210\u672c\u548c\u90e8\u7f72\u96be\u5ea6\u3002\u4f46\u662f\uff0c\u5728\u5927\u578b\u9879\u76ee\u4e2d\uff0c\u8fd9\u79cd\u6a21\u5f0f\u4f1a\u5bfc\u81f4\u4ee3\u7801\u8026\u5408\u6027\u5f88\u9ad8\uff0c\u7ef4\u62a4\u548c\u5347\u7ea7\u96be\u5ea6\u8f83\u5927\u3002<\/li>\n<\/ul>\n<p>2\u3001\u4f5c\u7528<\/p>\n<ul>\n<li>\u751f\u6210\u52a8\u6001\u9875\u9762<\/li>\n<li>\u5141\u8bb8\u5c06 Java \u4ee3\u7801\u5d4c\u5165\u5230 HTML \u9875\u9762\u4e2d\uff0c\u4ee5\u4fbf\u4f7f\u7528 Java \u8fdb\u884c\u6570\u636e\u5e93\u67e5\u8be2\u3001\u5904\u7406\u8868\u5355\u6570\u636e\u548c\u751f\u6210 HTML \u7b49\u52a8\u6001\u5185\u5bb9<\/li>\n<li>JSP \u8fd8\u53ef\u4ee5\u4e0e Servlet \u7ed3\u5408\u4f7f\u7528\uff0c\u5b9e\u73b0\u66f4\u52a0\u590d\u6742\u7684 Web \u5e94\u7528\u7a0b\u5e8f\u5f00\u53d1\u3002<\/li>\n<\/ul>\n<p>3\u3001\u4e3b\u8981\u7279\u70b9<\/p>\n<ul>\n<li>\u7b80\u5355\uff1aJSP \u901a\u8fc7\u5c06 Java \u4ee3\u7801\u5d4c\u5165\u5230 HTML \u9875\u9762\u4e2d\uff0c\u4f7f\u5f97\u751f\u6210\u52a8\u6001\u5185\u5bb9\u7684\u7f16\u5199\u66f4\u52a0\u7b80\u5355<\/li>\n<li>\u9ad8\u6548\uff1aJSP \u9996\u6b21\u8fd0\u884c\u65f6\u4f1a\u88ab\u8f6c\u6362\u4e3a Servlet\uff0c\u7136\u540e\u7f16\u8bd1\u4e3a\u5b57\u8282\u7801\uff0c\u4ece\u800c\u53ef\u4ee5\u542f\u7528 Just-in-Time\uff08JIT\uff09\u7f16\u8bd1\u5668\uff0c\u5b9e\u73b0\u66f4\u9ad8\u6548\u7684\u8fd0\u884c\u3002<\/li>\n<li>\u591a\u6837\u5316\uff1aJSP \u652f\u6301\u591a\u79cd\u6807\u51c6\u6807\u7b7e\u5e93\uff0c\u5305\u62ec JSTL\uff08JavaServer Pages \u6807\u51c6\u6807\u7b7e\u5e93\uff09\u3001EL\uff08\u8868\u8fbe\u5f0f\u8bed\u8a00\uff09\u7b49\uff0c\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u4eba\u5458\u66f4\u52a0\u65b9\u4fbf\u7684\u5904\u7406\u5e38\u89c1\u7684 Web \u5f00\u53d1\u9700\u6c42\u3002<\/li>\n<\/ul>\n<p>4\u3001\u603b\u7ed3<\/p>\n<ul>\n<li>\u603b\u4e4b\uff0cJSP \u662f\u4e00\u79cd\u7b80\u5355\u9ad8\u6548\u3001\u591a\u6837\u5316\u7684\u52a8\u6001\u7f51\u9875\u5f00\u53d1\u6280\u672f\uff0c\u5b83\u53ef\u4ee5\u65b9\u4fbf\u5730\u751f\u6210\u52a8\u6001\u9875\u9762\u548c\u4e0e Servlet \u7ed3\u5408\u4f7f\u7528\uff0c\u662f Java Web \u5f00\u53d1\u4e2d\u5e38\u7528\u7684\u6280\u672f\u4e4b\u4e00\u3002<\/li>\n<\/ul>\n<h3>2\u3001\u5feb\u901f\u8fd4\u56de\u6a21\u7248\u89c6\u56fe<\/h3>\n<p>1\u3001\u51c6\u5907jsp\u9875\u9762\u548c\u4f9d\u8d56<\/p>\n<ul>\n<li>\n<p>pom.xml\u4f9d\u8d56<\/p>\n<\/li>\n<li>\n<pre><code class=\"language-xml\"><!-- jsp\u9700\u8981\u4f9d\u8d56! jstl-->\n<dependency>\n  <groupId>jakarta.servlet.jsp.jstl<\/groupId>\n  <artifactId>jakarta.servlet.jsp.jstl-api<\/artifactId>\n  <version>3.0.0<\/version>\n<\/dependency><\/code><\/pre>\n<\/li>\n<li>\n<p>jsp\u9875\u9762\u7684\u521b\u5efa<\/p>\n<\/li>\n<li>\n<pre><code class=\"language-jsp\"><%--\nCreated by IntelliJ IDEA.\nUser: qt\nDate: 2024\/1\/17\nTime: 0:32\nTo change this template use File | Settings | File Templates.\n--%>\n<%@ page contentType=\"text\/html;charset=UTF-8\" language=\"java\" %>\n<html>\n<head>\n  <title>jsp\u6d4b\u8bd5\u9875\u9762<\/title>\n<\/head>\n<body>\n<%--    \u6211\u8981\u6dfb\u52a0\u4e00\u4e2a\u6a21\u7248\u9875\u9762\uff0c\u5185\u5bb9\u4e3a\uff1ahello\uff0cjsp\uff01\uff01\uff01--%>\n  <h1>${data}<\/h1>\n<\/body>\n<\/html>\n<\/code><\/pre>\n<\/li>\n<\/ul>\n<p>2\u3001\u914d\u7f6ejsp\u7684\u89c6\u56fe\u89e3\u6790\u5668<\/p>\n<pre><code class=\"language-java\">@Override\n    public void configureViewResolvers(ViewResolverRegistry registry) {\n        registry.jsp(&quot;\/WEB-INF\/views\/&quot;, &quot;.jsp&quot;);\n    }<\/code><\/pre>\n<ul>\n<li>\u5c31\u662f\u53bb\u5b9e\u73b0WebMvcConfigurer\u63a5\u53e3\u91cc\u9762\u7684\u65b9\u6cd5<\/li>\n<\/ul>\n<p>3\u3001handler<\/p>\n<pre><code class=\"language-java\">\/*\n     *TODO:\u5feb\u901f\u67e5\u627e\u89c6\u56fe\n     * 1\u3001\u65b9\u6cd5\u7684\u8fd4\u56de\u662f\u5b57\u7b26\u4e32\u7c7b\u578b\n     * 2\u3001\u4e0d\u80fd\u6dfb\u52a0@ResponseBody\uff1a\u56e0\u4e3a\u6dfb\u52a0\u4e86\u5c31\u76f4\u63a5\u8fd4\u56de\u5b57\u7b26\u4e32\u7ed9\u6d4f\u89c8\u5668\u4e86\u3002\u4e0d\u4f1a\u53bb\u627e\u89c6\u56fe\u4e86\n     *\/\n\n    @GetMapping(&quot;index&quot;)\n    public String index(HttpServletRequest request){\n        System.out.println(&quot;JspController.index&quot;);\n        request.setAttribute(&quot;data&quot;,&quot;Hello JSP!!!&quot;);\n        return &quot;index&quot;;\n    }<\/code><\/pre>\n<ul>\n<li>\u4e0a\u9762\u914d\u8fc7\u89c6\u56fe\u89e3\u6790\u5668\uff0c\u5c31\u53ef\u4ee5\u628a\u524d\u7f00\u548c\u540e\u7f00\u53bb\u6389\u3002\u53ea\u5199\u4e2d\u95f4\u3002<\/li>\n<li>\u65b9\u6cd5\u7684\u8fd4\u56de\u662f\u5b57\u7b26\u4e32\u7c7b\u578b<\/li>\n<li>\u4e0d\u80fd\u6dfb\u52a0@ResponseBody\uff1a\u56e0\u4e3a\u6dfb\u52a0\u4e86\u5c31\u76f4\u63a5\u8fd4\u56de\u5b57\u7b26\u4e32\u7ed9\u6d4f\u89c8\u5668\u4e86\u3002\u4e0d\u4f1a\u53bb\u627e\u89c6\u56fe\u4e86<\/li>\n<\/ul>\n<h3>3\u3001\u8f6c\u53d1\u548c\u91cd\u5b9a\u5411<\/h3>\n<p>\u5176\u4ed6\u73af\u5883\u548c\u5feb\u901f\u8fd4\u56de\u6a21\u7248\u89c6\u56fe\u4e00\u6837<\/p>\n<h4>1\u3001\u8f6c\u53d1<\/h4>\n<p>1\u3001\u4f8b\u5b50<\/p>\n<pre><code class=\"language-java\">@GetMapping(&quot;forward&quot;)\n    public String  forward(){\n        System.out.println(&quot;JspController.forward&quot;);\n        return  &quot;forward:\/jsp\/index&quot;;\n    }<\/code><\/pre>\n<p>2\u3001\u6ce8\u610f<\/p>\n<ul>\n<li>\u53ea\u80fd\u5728\u9879\u76ee\u4e0b\u7684\u8d44\u6e90<\/li>\n<li>\u4e0d\u80fd\u6dfb\u52a0responseBody\u6ce8\u89e3<\/li>\n<li>\u8fd4\u56de\u5b57\u7b26\u4e32\u524d\u9762forward:\/\u8f6c\u53d1\u7684\u5730\u5740<\/li>\n<\/ul>\n<h4>2\u3001\u91cd\u5b9a\u5411<\/h4>\n<p>1\u3001\u4f8b\u5b50<\/p>\n<pre><code class=\"language-java\">@GetMapping(&quot;redirect&quot;)\n    public String  redirect(){\n        System.out.println(&quot;JspController.redirect&quot;);\n        return &quot;redirect:\/jsp\/index&quot;;\n    }<\/code><\/pre>\n<p>2\u3001\u6ce8\u610f<\/p>\n<ul>\n<li>\u65b9\u6cd5\u8fd4\u56de\u503c\u5199\u6210\u5b57\u7b26\u4e32\u7c7b\u578b<\/li>\n<li>\u4e0d\u80fd\u6dfb\u52a0responseBody\u6ce8\u89e3<\/li>\n<li>\u8fd4\u56de\u5b57\u7b26\u4e32\u524d\u9762redirect:\/\u91cd\u5b9a\u5411\u7684\u5730\u5740<\/li>\n<\/ul>\n<h4>3\u3001\u8def\u5f84\u8865\u5145<\/h4>\n<p>1\u3001\u4e0d\u4f7f\u7528SpringMVC\u8def\u5f84\u8bed\u6cd5<\/p>\n<ul>\n<li>\u8f6c\u53d1\u662f\u9879\u76ee\u4e0b\u7684\u8d44\u6e90<\/li>\n<li>\u91cd\u5b9a\u5411\u662f\u9879\u76ee\u5916\u7684\u8d44\u6e90\uff1b\u5c5e\u4e8e\u662f\u4e8c\u6b21\u8bf7\u6c42  \u8def\u5f84\uff1a\u9879\u76ee\u5916\u7684\u5730\u5740 \u5168\u5730\u5740\/springmvc\/jsp\/index \u4e0d\u5ffd\u7565applicationContext<\/li>\n<\/ul>\n<p>2\u3001\u4f7f\u7528SpringMVC\u8def\u5f84\u8bed\u6cd5<\/p>\n<ul>\n<li>forward\u8def\u5f84 | redirect\u8def\u5f84    \u91cd\u5b9a\u5411\uff0c\u8d44\u6e90\u7684\u5730\u5740\u4e0d\u9700\u8981\u5199\u9879\u76ee\u7684\u6839\u8def\u5f84\u4e86 \/jsp\/index<\/li>\n<\/ul>\n<h4>4\u3001\u603b\u7ed3<\/h4>\n<p>1\u3001\u5c06\u65b9\u6cd5\u7684\u8fd4\u56de\u503c\uff0c\u8bbe\u7f6e\u4e3astring<\/p>\n<p>2\u3001\u8f6c\u53d1\u4f7f\u7528forward\u5173\u952e\u5b57\uff0c\u91cd\u5b9a\u5411\u4f7f\u7528redirect\u5173\u952e\u5b57<\/p>\n<p>3\u3001\u5173\u952e\u5b57: \/\u8def\u5f84<\/p>\n<p>4\u3001\u6ce8\u610f\uff1a\u5982\u679c\u662f\u9879\u76ee\u4e0b\u7684\u8d44\u6e90\uff0c\u8f6c\u53d1\u548c\u91cd\u5b9a\u5411\u90fd\u4e00\u6837\u90fd\u662f\u9879\u76ee\u4e0b\u8def\u5f84\uff01\u90fd\u4e0d\u9700\u8981\u6dfb\u52a0\u9879\u76ee\u6839\u8def\u5f84\uff01<\/p>\n<h2>3\u3001\u8fd4\u56deJSON\u6570\u636e\u3010\u91cd\u70b9\u3011<\/h2>\n<h3>1\u3001\u524d\u620f<\/h3>\n<p>1\u3001\u5bfc\u5165jackson\u4f9d\u8d56<\/p>\n<pre><code class=\"language-xml\">&lt;dependency&gt;\n    &lt;groupId&gt;com.fasterxml.jackson.core&lt;\/groupId&gt;\n    &lt;artifactId&gt;jackson-databind&lt;\/artifactId&gt;\n    &lt;version&gt;2.15.0&lt;\/version&gt;\n&lt;\/dependency&gt;<\/code><\/pre>\n<p>2\u3001\u6dfb\u52a0json\u6570\u636e\u8f6c\u5316\u5668<\/p>\n<ul>\n<li>\u6dfb\u52a0\u4e00\u4e2a@EnableWebMvc \u5c31\u884c<\/li>\n<\/ul>\n<pre><code class=\"language-java\">\/\/TODO: SpringMVC\u5bf9\u5e94\u7ec4\u4ef6\u7684\u914d\u7f6e\u7c7b [\u58f0\u660eSpringMVC\u9700\u8981\u7684\u7ec4\u4ef6\u4fe1\u606f]\n\n\/\/TODO: \u5bfc\u5165handlerMapping\u548chandlerAdapter\u7684\u4e09\u79cd\u65b9\u5f0f\n \/\/1.\u81ea\u52a8\u5bfc\u5165handlerMapping\u548chandlerAdapter [\u63a8\u8350]\n \/\/2.\u53ef\u4ee5\u4e0d\u6dfb\u52a0,springmvc\u4f1a\u68c0\u67e5\u662f\u5426\u914d\u7f6ehandlerMapping\u548chandlerAdapter,\u6ca1\u6709\u914d\u7f6e\u9ed8\u8ba4\u52a0\u8f7d\n \/\/3.\u4f7f\u7528@Bean\u65b9\u5f0f\u914d\u7f6ehandlerMapper\u548chandlerAdapter\n@EnableWebMvc  \/\/json\u6570\u636e\u5904\u7406,\u5fc5\u987b\u4f7f\u7528\u6b64\u6ce8\u89e3,\u56e0\u4e3a\u4ed6\u4f1a\u52a0\u5165json\u5904\u7406\u5668\n@Configuration\n@ComponentScan(basePackages = &quot;com.atguigu.controller&quot;) \/\/TODO: \u8fdb\u884ccontroller\u626b\u63cf\n\n\/\/WebMvcConfigurer springMvc\u8fdb\u884c\u7ec4\u4ef6\u914d\u7f6e\u7684\u89c4\u8303,\u914d\u7f6e\u7ec4\u4ef6,\u63d0\u4f9b\u5404\u79cd\u65b9\u6cd5! \u524d\u671f\u53ef\u4ee5\u5b9e\u73b0\npublic class SpringMvcConfig implements WebMvcConfigurer {\n\n}<\/code><\/pre>\n<h3>2\u3001@ResponseBody\u6ce8\u89e3<\/h3>\n<h4>1\u3001\u65b9\u6cd5\u4e0a\u4f7f\u7528<\/h4>\n<p>1\u3001\u7528\u4e8e\u5c06\u65b9\u6cd5\u8fd4\u56de\u7684\u5bf9\u8c61\u5e8f\u5217\u5316\u4e3a JSON \u6216 XML \u683c\u5f0f\u7684\u6570\u636e\uff0c\u5e76\u53d1\u9001\u7ed9\u5ba2\u6237\u7aef\u3002\u5728\u524d\u540e\u7aef\u5206\u79bb\u7684\u9879\u76ee\u4e2d\u4f7f\u7528\uff01<\/p>\n<p>2\u3001\u5c31\u662f\u5c06\u5bf9\u8c61\u8f6c\u6362\u4e3aJSON\uff0c\u7136\u540e\u53d1\u9001\u7ed9\u5ba2\u6237\u7aef<\/p>\n<p>3\u3001\u5177\u4f53\u6765\u8bf4\uff0c@ResponseBody \u6ce8\u89e3\u53ef\u4ee5\u7528\u6765\u6807\u8bc6\u65b9\u6cd5\u6216\u8005\u65b9\u6cd5\u8fd4\u56de\u503c\uff0c\u8868\u793a\u65b9\u6cd5\u7684\u8fd4\u56de\u503c\u662f\u8981\u76f4\u63a5\u8fd4\u56de\u7ed9\u5ba2\u6237\u7aef\u7684\u6570\u636e\uff0c\u800c\u4e0d\u662f\u7531\u89c6\u56fe\u89e3\u6790\u5668\u6765\u89e3\u6790\u5e76\u6e32\u67d3\u751f\u6210\u54cd\u5e94\u4f53\uff08viewResolver\u6ca1\u7528\uff09\u3002<\/p>\n<p>4\u3001\u4f8b\u5b50<\/p>\n<pre><code class=\"language-java\">\/\/\u5bf9\u8c61\n@RequestMapping(&quot;data&quot;)\n    @ResponseBody\n    public User data(){\n        User user = new User();\n        user.setName(&quot;two dogs&quot;);\n        user.setAge(1);\n        return user;\n    }\n\/\/\u96c6\u5408\n@GetMapping(&quot;data1&quot;)\n    public List&lt;User&gt; getUserList(){\n        User user = new User();\n        user.setName(&quot;two dogs&quot;);\n        user.setAge(2);\n\n        List&lt;User&gt; users = new ArrayList&lt;&gt;();\n        users.add(user);\n        return users;\n    }<\/code><\/pre>\n<p>5\u3001\u6ce8\u610f\uff1a<strong>\u5982\u679c\u662f\u4f20\u5bf9\u8c61\uff0c\u5c31\u76f4\u63a5\u5199\u5bf9\u8c61\u3002\u5982\u679c\u4f20\u7684\u662f\u96c6\u5408\u5c31\u5199\u96c6\u5408<\/strong><\/p>\n<h4>2\u3001\u7c7b\u4e0a\u4f7f\u7528<\/h4>\n<p>1\u3001\u5982\u679c\u8fd9\u4e2a\u7c7b\u4e2d\u7684\u6240\u6709\u65b9\u6cd5\u90fd\u8981\u7528\u8fd9\u4e2a\u6ce8\u89e3ResponseBody\u3002\u5c31\u53ea\u8981\u5728\u7c7b\u4e0a\u6dfb\u52a0\u4e00\u4e2a\u5c31\u884c\u3002\u56e0\u4e3a\u53ef\u4ee5\u63d0\u53d6\u51fa\u6765<\/p>\n<h3>3\u3001@RestController<\/h3>\n<p>1\u3001\u8fd9\u4e2a\u6ce8\u89e3\u662f\u65b0\u76d6\u4e2d\u76d6\uff0c\u5c31 = @Controller+@ResponseBody\u8fd9\u4e24\u4e2a\u6ce8\u89e3\u7684\u7ed3\u5408<\/p>\n<p>2\u3001\u770b\u770b\u8fd9\u4e2a\u6ce8\u89e3@RestController\u7684\u6e90\u7801<\/p>\n<pre><code class=\"language-java\">@Target(ElementType.TYPE)\n@Retention(RetentionPolicy.RUNTIME)\n@Documented\n@Controller\n@ResponseBody\npublic @interface RestController {\n\n  \/**\n   * The value may indicate a suggestion for a logical component name,\n   * to be turned into a Spring bean in case of an autodetected component.\n   * @return the suggested component name, if any (or empty String otherwise)\n   * @since 4.0.1\n   *\/\n  @AliasFor(annotation = Controller.class)\n  String value() default &quot;&quot;;\n\n}<\/code><\/pre>\n<h2>4\u3001\u8fd4\u56de\u9759\u6001\u8d44\u6e90<\/h2>\n<h3>1\u3001\u4ec0\u4e48\u662f\u9759\u6001\u8d44\u6e90<\/h3>\n<p>1\u3001\u8d44\u6e90\u672c\u8eab\u5df2\u7ecf\u662f\u53ef\u4ee5\u76f4\u63a5\u62ff\u5230\u6d4f\u89c8\u5668\u4e0a\u4f7f\u7528\u7684\u7a0b\u5ea6\u4e86\uff0c<strong>\u4e0d\u9700\u8981\u5728\u670d\u52a1\u5668\u7aef\u505a\u4efb\u4f55\u8fd0\u7b97\u3001\u5904\u7406<\/strong>\u3002\u5178\u578b\u7684\u9759\u6001\u8d44\u6e90\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u7eafHTML\u6587\u4ef6<\/li>\n<li>\u56fe\u7247<\/li>\n<li>CSS\u6587\u4ef6<\/li>\n<li>JavaScript\u6587\u4ef6<\/li>\n<li>\u2026\u2026<\/li>\n<\/ul>\n<h3>2\u3001\u600e\u4e48\u7528<\/h3>\n<p>1\u3001\u5148\u628a\u9759\u6001\u8d44\u6e90\u653e\u5728webapp\u8def\u5f84\u4e0b\u3002\u4e0d\u8981\u653e\u5728WEB-INF\u4e0b\uff0c\u5426\u5219\u6d4f\u89c8\u5668\u62ff\u4e0d\u5230<\/p>\n<ul>\n<li><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/zyg.luchers.cn\/wp-content\/uploads\/2024\/04\/image-20240117113408230.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"http:\/\/zyg.luchers.cn\/wp-content\/uploads\/2024\/04\/image-20240117113408230.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"image-20240117113408230\" \/><\/div><\/li>\n<\/ul>\n<p>2\u3001\u4fee\u6539SpringMVC\u7684\u914d\u7f6e\u7c7b<\/p>\n<pre><code class=\"language-java\">@EnableWebMvc  \/\/json\u6570\u636e\u5904\u7406,\u5fc5\u987b\u4f7f\u7528\u6b64\u6ce8\u89e3,\u56e0\u4e3a\u4ed6\u4f1a\u52a0\u5165json\u5904\u7406\u5668\n@Configuration\n@ComponentScan(basePackages = &quot;com.atguigu.controller&quot;) \/\/TODO: \u8fdb\u884ccontroller\u626b\u63cf\n\/\/WebMvcConfigurer springMvc\u8fdb\u884c\u7ec4\u4ef6\u914d\u7f6e\u7684\u89c4\u8303,\u914d\u7f6e\u7ec4\u4ef6,\u63d0\u4f9b\u5404\u79cd\u65b9\u6cd5! \u524d\u671f\u53ef\u4ee5\u5b9e\u73b0\npublic class SpringMvcConfig implements WebMvcConfigurer {\n\n    \/\/\u914d\u7f6ejsp\u5bf9\u5e94\u7684\u89c6\u56fe\u89e3\u6790\u5668\n    @Override\n    public void configureViewResolvers(ViewResolverRegistry registry) {\n        \/\/\u5feb\u901f\u914d\u7f6ejsp\u6a21\u677f\u8bed\u8a00\u5bf9\u5e94\u7684\n        registry.jsp(&quot;\/WEB-INF\/views\/&quot;,&quot;.jsp&quot;);\n    }\n\n    \/\/\u5f00\u542f\u9759\u6001\u8d44\u6e90\u5904\u7406 &lt;mvc:default-servlet-handler\/&gt;\n    @Override\n    public void configureDefaultServletHandling(DefaultServletHandlerConfigurer configurer) {\n        configurer.enable();\n    }\n}<\/code><\/pre>\n<p>3\u3001\u518d\u6b21\u8bbf\u95ee\u56fe\u7247\u7684\u8def\u5f84\u5373\u53ef<\/p>\n<h3>3\u3001\u95ee\u9898<\/h3>\n<h4>1\u3001\u5982\u679c\u4e0d\u52a0\u914d\u7f6e\u7c7b\u4f1a\u62a5404<\/h4>\n<p>1\u3001\u56e0\u4e3a\u6ca1\u6709\u914d\u7f6eSpringMVC\u8981\u6c42\u7684\u5bf9\u5e94\u7684@RequestMapping\u3010\u79d8\u4e66\u3011<\/p>\n<p>2\u3001\u5bfc\u81f4\u4f1a\u76f4\u63a5\u53bb\u5bfb\u627ehandler\uff0c\u627e\u4e0d\u5230handler\u5c31\u4f1a\u62a5\u9519<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e09\u3001SpringMVC\u54cd\u5e94\u6570\u636e 1\u3001handler\u65b9\u6cd5\u5206\u6790 1\u3001\u7406\u89e3handler\u65b9\u6cd5\u7684\u4f5c\u7528\u548c\u7ec4\u6210 1\u3001\u4f5c\u7528  [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-5828","post","type-post","status-publish","format-standard","hentry","category-springmvc"],"_links":{"self":[{"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/posts\/5828","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/comments?post=5828"}],"version-history":[{"count":1,"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/posts\/5828\/revisions"}],"predecessor-version":[{"id":5829,"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/posts\/5828\/revisions\/5829"}],"wp:attachment":[{"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/media?parent=5828"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/categories?post=5828"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/tags?post=5828"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}