{"id":117940,"date":"2026-10-25T23:24:54","date_gmt":"2026-10-25T15:24:54","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/117940.html"},"modified":"2026-10-25T23:24:54","modified_gmt":"2026-10-25T15:24:54","slug":"spring-mvc%e5%b0%8f%e6%a1%88%e4%be%8b%ef%bc%881%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/117940.html","title":{"rendered":"Spring MVC\u5c0f\u6848\u4f8b\uff081\uff09"},"content":{"rendered":"

\u4e00，\u52a0\u6cd5\u8ba1\u7b97\u5668<\/h2>\n

\u8ba1\u7b97\u5668\u7684\u524d\u7aef\u9759\u6001\u9875\u9762\u4ee3\u7801：<\/span><\/p>\n

<!DOCTYPE html>
\n<html lang="en">
\n<head>
\n <meta charset="UTF-8">
\n <meta name="viewport" content="width=device-width, initial-scale=1.0">
\n <title>Document<\/title>
\n<\/head>
\n<body>
\n <form action="calc\/sum" method="post">
\n <h1>\u8ba1\u7b97\u5668<\/h1>
\n \u6570\u5b571：<input name="num1" type="text"><br>
\n \u6570\u5b572：<input name="num2" type="text"><br>
\n <input type="submit" value=" \u70b9\u51fb\u76f8\u52a0 ">
\n <\/form>
\n<\/body><\/p>\n

<\/html><\/p>\n

@RestController
\npublic class CalcController {
\n @RequestMapping("\/calc\/sum")
\n public String sum(@RequestParam Integer num1, @RequestParam Integer num2){
\n int sum=num1+num2;
\n return "\u76f8\u52a0\u7684\u7ed3\u679c\u4e3a："+sum;
\n }
\n}<\/p>\n

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\u90a3\u53ef\u80fd\u4f1a\u6709\u4e00\u4e2a\u7591\u95ee\u8bf4\u4e3a\u4ec0\u4e48\u4f1a\u8df3\u8f6c\u5230\u53e6\u4e00\u4e2a\u7f51\u9875，\u8fd9\u4e2a\u662f\u90a3\u4e2a\u673a\u5236\u6216\u8005\u4ee3\u7801\u5b9e\u73b0\u7684\u5462：\u5173\u952e\u5c31\u5728\u524d\u7aef\u4ee3\u7801body\u4e2d\u5f00\u5934\u7684\u4e00\u884c，\u8fd9\u662fHTML\u8868\u5355\u7684\u9ed8\u8ba4\u63d0\u4ea4\u884c\u4e3a，\u5177\u4f53\u7684\u884c\u4e3a\u5982\u4e0b：<\/p>\n

\u5f53\u4f60\u70b9\u51fb\u300c\u70b9\u51fb\u76f8\u52a0\u300d\u6309\u94ae\u65f6，\u6d4f\u89c8\u5668\u9ed8\u8ba4\u4f1a\u505a\u4e09\u4ef6\u4e8b：<\/span><\/p>\n

  • \n

    \u6536\u96c6\u8868\u5355\u4e2d\u7684 num1\u3001num2 \u4e24\u4e2a\u53c2\u6570\u3002<\/span><\/p>\n<\/li>\n

  • \n

    \u5411 action \u6307\u5b9a\u7684 \/calc\/sum \u63a5\u53e3\u53d1\u9001 POST \u8bf7\u6c42\u3002<\/span><\/p>\n<\/li>\n

  • \n

    \u7528\u670d\u52a1\u5668\u8fd4\u56de\u7684\u54cd\u5e94\u66ff\u6362\u5f53\u524d\u6807\u7b7e\u9875\u663e\u793a\u7684\u5185\u5bb9\u3002<\/span><\/p>\n<\/li>\n

    \u6240\u4ee5，\u4f60\u770b\u5230\u7684\u6548\u679c\u5c31\u662f：\u539f\u6765\u7684\u8ba1\u7b97\u5668\u9875\u9762\u4e0d\u89c1\u4e86，\u6d4f\u89c8\u5668\u5730\u5740\u53d8\u6210\u63a5\u53e3\u5730\u5740，\u9875\u9762\u663e\u793a\u8ba1\u7b97\u7ed3\u679c\u3002<\/span><\/p>\n

    \"\"<\/p>\n

    \"\"<\/p>\n

    \"\"<\/p>\n

    \u4e8c，\u7528\u6237\u767b\u5f55<\/h2>\n

    \u6211\u4eec\u8981\u5b9e\u73b0\u4e00\u4e2a\u9875\u9762，\u5f53\u7528\u6237\u8f93\u5165\u7528\u6237\u548c\u5bc6\u7801\u9519\u8bef\u7684\u65f6\u5019，\u4f1a\u6709\u4e2a\u9519\u8bef\u7684\u5f39\u7a97\u63d0\u793a，\u5f53\u6b63\u786e\u7684\u65f6\u5019，\u6211\u4eec\u4f1a\u8df3\u8f6c\u5230\u4e00\u4e2a\u663e\u793a\u7740\u767b\u9646\u4eba：（\u6b63\u786e\u7684\u767b\u5f55\u540d\u5b57）\u8fd9\u6837\u7684\u9875\u9762<\/p>\n

    \u90a3\u6211\u4eec\u9996\u5148\u9700\u8981\u7b2c\u4e00\u6b65\u5c31\u662f\u521b\u5efa\u4e00\u4e2a\u767b\u5f55\u7684\u63a5\u53e3，\u6839\u636e\u4f20\u5165\u7684\u540d\u5b57\u4ee5\u53ca\u5bc6\u7801\u6765\u5224\u65ad\u662f\u6b63\u786e\u8fd8\u662f\u9519\u8bef\u6765\u8fdb\u884c\u8fd4\u56de，\u8fd9\u91cc\u6211\u4eec\u9700\u8981\u6ce8\u610f\u7684\u662f\u7531\u4e8e\u6211\u4eec\u9700\u8981\u8fd4\u56de\u7684\u9875\u9762\u8981\u663e\u793a\u540d\u5b57，\u4f46\u662f\u6211\u4eechttp\u662f\u65e0\u8bb0\u5fc6\u7684，\u6240\u4ee5\u6211\u4eec\u9700\u8981\u7528\u5230session\u6765\u4fdd\u5b58\u6b63\u786e\u7684\u7528\u6237\u540d<\/p>\n

    \u540e\u7aef\u767b\u5f55\u63a5\u53e3\u548c\u83b7\u53d6session\u4ee3\u7801<\/h3>\n

    package com.example.demo;
    \nimport jakarta.servlet.http.HttpSession;
    \nimport org.springframework.util.StringUtils;
    \nimport org.springframework.web.bind.annotation.RequestMapping;
    \nimport org.springframework.web.bind.annotation.RestController;
    \n@RestController
    \n@RequestMapping("\/user")
    \npublic class Userlogin {
    \n @RequestMapping("\/login")
    \n public Boolean login(String userName, String password, HttpSession session){
    \n \/\/\u5148\u9a8c\u8bc1\u6570\u636e\u662f\u5426\u6709\u6548
    \n if (!StringUtils.hasLength(userName) || !StringUtils.hasLength(password)){
    \n return false;
    \n }
    \n \/\/\u5224\u65ad\u6570\u636e\u662f\u5426\u5339\u914d，\u56e0\u4e3a\u6211\u4eec\u8fd8\u6ca1\u6709\u5b66\u4e60\u5230\u6570\u636e\u5e93\u8ddf\u8fd9\u4e2a\u7ed3\u5408\u7684\u5185\u5bb9，\u6240\u4ee5\u6211\u4eec\u5148\u4f7f\u7528\u56fa\u5b9a\u7684\u7528\u6237\u540d\u4ee5\u53ca\u5bc6\u7801
    \n if ("admin".equals(userName)&&"admin".equals(password)){
    \n \/\/\u56e0\u4e3ahttp\u6ca1\u6709\u8bb0\u5fc6，\u6240\u4ee5\u5f97\u7528\u4e0asession
    \n session.setAttribute("userName",userName);
    \n return true;
    \n }
    \n return false;
    \n }
    \n @RequestMapping("\/getUsername")
    \n public String getUsername(HttpSession session){
    \n String userName =(String) session.getAttribute("userName");
    \n return userName==null?"\u8d26\u53f7\u6216\u5bc6\u7801\u9519\u8bef":userName;
    \n }<\/p>\n

    }<\/p>\n

    \u63a5\u4e0b\u6765\u662f\u5bf9\u4e8e\u63a5\u53e3\u7684\u6d4b\u8bd5<\/span><\/p>\n

    \"\"<\/p>\n

    \"\"<\/p>\n

    \"\"<\/p>\n

    \u7b2c\u4e8c\u6b65\u5c31\u662f\u5f00\u59cb\u7f16\u8f91\u6211\u4eec\u7684\u9875\u9762，\u5728\u8fd9\u91cc\u6211\u4eec\u4f7f\u7528ajax\u7684\u65b9\u5f0f\u6765\u7f16\u5199，\u5728\u5199\u4e4b\u524d，\u6211\u4eec\u9700\u8981\u5f15\u5165\u4e00\u4e2ajQuery，\u8fd9\u6837\u53ef\u4ee5\u8ba9\u6211\u4eec\u7684\u4ee3\u7801\u5199\u8d77\u6765\u66f4\u52a0\u7684\u65b9\u4fbf，\u6211\u4eec\u901a\u8fc7\u4e0b\u9762\u8fd9\u4e2a\u94fe\u63a5\u8fdb\u53bb\u53f3\u952e\u4e0b\u8f7d\u5230\u684c\u9762，\u7136\u540e\u5c06jQuery\u5f15\u5165\u8fdb\u6765<\/p>\n

    \"\"<\/p>\n

    https:\/\/cdn.bootcdn.net\/ajax\/libs\/jquery\/3.6.4\/jquery.min.js<\/span><\/p>\n

    ajax<\/h3>\n

    ajax\u7684\u4ecb\u7ecd：<\/p>\n

    \u7b80\u5355\u6765\u8bf4，AJAX \u662f\u4e00\u79cd\u8ba9\u6d4f\u89c8\u5668\u80fd\u591f\u5728\u4e0d\u91cd\u65b0\u52a0\u8f7d\u6574\u4e2a\u7f51\u9875\u7684\u60c5\u51b5\u4e0b，\u5411\u540e\u7aef\u53d1\u9001\u8bf7\u6c42\u5e76\u63a5\u6536\u54cd\u5e94\u7684\u6280\u672f（\u8fd9\u6837\u5982\u679c\u6211\u4eec\u5728\u767b\u5f55\u4e00\u4e2a\u7f51\u7ad9\u7684\u65f6\u5019，\u5982\u679c\u8f93\u5165\u9519\u8bef\u4fe1\u606f，\u5c31\u4e0d\u4f1a\u5c06\u7f51\u9875\u5b8c\u5168\u7684\u91cd\u65b0\u52a0\u8f7d\u4e00\u904d，\u5bfc\u81f4\u8d26\u53f7\u5bc6\u7801\u9700\u8981\u5b8c\u5168\u91cd\u65b0\u8f93\u5165，\u800c\u662f\u53ef\u80fd\u76f4\u63a5\u8df3\u51fa\u4e00\u4e2a\u63d0\u793a\u4e4b\u7c7b\u7684）<\/p>\n

    ajax\u7684\u7279\u70b9：<\/p>\n

    \u5f02\u6b65\u901a\u4fe1：\u53d1\u9001\u8bf7\u6c42\u540e，\u9875\u9762\u4e0d\u5fc5\u4e00\u76f4\u7b49\u5f85\u54cd\u5e94，\u53ef\u4ee5\u7ee7\u7eed\u6267\u884c\u5176\u4ed6\u64cd\u4f5c<\/p>\n

    \u5c40\u90e8\u66f4\u65b0：\u53ea\u66f4\u65b0\u7f51\u9875\u4e2d\u9700\u8981\u53d8\u5316\u7684\u90e8\u5206，\u4e0d\u5fc5\u91cd\u65b0\u52a0\u8f7d\u6574\u4e2a\u9875\u9762<\/p>\n

    \u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u6570\u636e\u4f20\u8f93：\u53ef\u4ee5\u53ea\u8bf7\u6c42\u5f53\u524d\u9700\u8981\u7684\u6570\u636e，\u800c\u4e0d\u5fc5\u91cd\u65b0\u83b7\u53d6\u6574\u4e2a\u9875\u9762<\/p>\n

    \u524d\u540e\u7aef\u4ea4\u4e92：\u53ef\u4ee5\u5411\u540e\u7aef\u63a5\u53e3\u53d1\u9001\u8bf7\u6c42，\u63a5\u6536 JSON\u3001\u6587\u672c\u7b49\u683c\u5f0f\u7684\u6570\u636e<\/p>\n

    ajax\u7684\u57fa\u7840\u8bed\u6cd5：<\/p>\n

    $(\u9009\u62e9\u5668).\u64cd\u4f5c();<\/p>\n

    \u5e38\u89c1\u5199\u6cd5\u4e3e\u4e2a\u4f8b\u5b50：q<\/p>\n

    $.ajax({
    \n url: "\/user",
    \n type: "GET",
    \n data: { id: 1 },
    \n dataType: "json",<\/p>\n

    success: function(res) {
    \n console.log(res);
    \n },<\/p>\n

    error: function() {
    \n console.log("\u8bf7\u6c42\u5931\u8d25");
    \n }
    \n});<\/p>\n

    \u524d\u7aef\u7528\u6237\u767b\u5f55\u7684HTML\u4ee3\u7801（\u767b\u5f55\u9875\u9762）<\/h3>\n

    \u89e3\u6790\u4e00\u4e0b\u8fd9\u91cc\u7684\u4ee3\u7801：<\/p>\n

    \u6211\u4eec\u901a\u8fc7\u8868\u5355\u586b\u5199\u7684\u7528\u6237\u540d\u4ee5\u53ca\u5bc6\u7801，\u5728\u6211\u4eec\u7684ajax\u4e2d\u8fdb\u884c\u83b7\u53d6，\u5c31\u662fdata\u90a3\u4e00\u90e8\u5206，\u524d\u9762\u662f\u8bf7\u6c42\u65b9\u5f0f\u4ee5\u53ca\u8981\u4ea4\u7ed9\u7684\u54ea\u4e00\u4e2a\u65b9\u6cd5，\u5c31\u662f\u524d\u9762\u7684\u63a5\u53e3\u7684\u8def\u5f84（\u8fd9\u91cc\u4e5f\u4f53\u73b0\u4e86ajax\u7684\u4e00\u4e2a\u5f02\u6b65\u7684\u7279\u70b9，\u5c31\u662f\u4e0d\u662f\u81ea\u5df1\u7b2c\u4e00\u65f6\u95f4\u5c31\u8fd4\u56de\u54cd\u5e94，\u800c\u662f\u7b49\u5f85\u6211\u4eec\u63a5\u53e3\u7684\u8fd4\u56de\u518d\u8fdb\u884c\u64cd\u4f5c），\u63a5\u4e0b\u6765\u5c31\u662f\u6210\u529f\u4e86（\u4e5f\u5c31\u662f\u6b63\u5e38\u8fd4\u56de\u4e86http\u54cd\u5e94，\u800c\u4e0d\u662f\u8bf4\u8d26\u53f7\u5bc6\u7801\u6b63\u786e），\u8fd9\u91cc\u7684result\u5c31\u662f\u524d\u9762\u4f20\u5165\u7684\u65b9\u6cd5\u4e2d\u8fd4\u56de\u7684\u53c2\u6570，\u6211\u4eec\u7684\u53c2\u6570\u4e2d\u4e0d\u662f\u5b9a\u4e49\u4e86\u6b63\u786e\u8fd4\u56detrue，\u9519\u8bef\u8fd4\u56defalse，\u5982\u679c\u662ftrue，\u5c31\u8fdb\u884c\u8df3\u8f6c\u5176\u4e2dlocation.href\u5c31\u662f\u8df3\u8f6c\u7684\u4e00\u79cd\u65b9\u5f0f，\u9519\u8bef\u5c31\u8fdb\u884c\u5f39\u7a97（alter）<\/p>\n

    <h1>\u7528\u6237\u767b\u5f55<\/h1>
    \n\u7528\u6237\u540d：<input name="userName" type="text" id="userName"><br>
    \n\u5bc6\u7801：<input name="password" type="password" id="password"><br>
    \n<input type="button" value="\u767b\u5f55" onclick="login()">
    \n<script src="jquery.min.js"><\/script>
    \n<script>
    \n function login() {
    \n $.ajax({
    \n type:"post",
    \n url:"\/user\/login",
    \n data:{
    \n userName:$("#userName").val(),
    \n password:$("#password").val()
    \n },
    \n success:function(result){
    \n if(result){
    \n \/\/\u8d26\u53f7\u5bc6\u7801\u6b63\u786e\u5c31\u8df3\u8f6c
    \n location.href="\/index.html";
    \n }else{
    \n \/\/\u9519\u8bef\u7684\u8bdd\u5c31\u8fdb\u884c\u5f39\u7a97
    \n alert("\u8d26\u53f7\u5bc6\u7801\u9519\u8bef");
    \n }
    \n }
    \n })
    \n }
    \n <\/script>
    \n<\/body>
    \n<\/html><\/p>\n

    \"\"<\/p>\n

    \"\"<\/p>\n

    \u6b63\u786e\u7684\u8bdd\u5c31\u8fdb\u884c\u8df3\u8f6c\u9875\u9762，\u4f46\u662f\u8fd9\u4e2a\u9875\u9762\u7684\u4ee3\u7801\u6211\u4eec\u8fd8\u6ca1\u6709\u5199<\/p>\n

    \u524d\u7aef\u663e\u793a\u7528\u6237\u540d\u7684HTML\u4ee3\u7801（\u8df3\u8f6c\u9875\u9762）<\/h3>\n

    <!doctype html>
    \n<html lang="en">
    \n<head>
    \n <meta charset="UTF-8">
    \n <meta name="viewport"
    \n content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    \n <meta http-equiv="X-UA-Compatible" content="ie=edge">
    \n <title>\u7528\u6237\u767b\u5f55\u9996\u9875<\/title>
    \n<\/head>
    \n<body>
    \n\u767b\u5f55\u4eba: <span id="loginUser"><\/span>
    \n<script src="jquery.min.js"><\/script>
    \n<script>
    \n $.ajax({
    \n type:"get",
    \n url:"user\/getUsername",
    \n success:function(Username){
    \n $("#loginUser").text(Username)
    \n }
    \n })
    \n<\/script>
    \n<\/body>
    \n<\/html><\/p>\n

    \"\"<\/p>\n

    \u5199\u5230\u8fd9\u91cc\u6211\u8bb2\u4e00\u4e0b\u6211\u4e4b\u524d\u7684\u4e00\u4e2a\u7591\u60d1（\u5173\u4e8esession\u662f\u600e\u4e48\u5b58\u50a8\u7684）：<\/p>\n

    \u6211\u4eec\u7ed3\u5408\u6211\u7684\u4ee3\u7801\u6765\u7406\u89e3\u5c31\u662f\u5f53\u6211\u4eec\u8f93\u5165\u9519\u8bef\u7684\u65f6\u5019，\u6211\u4eecsession\u4e2d\u5c31\u4e0d\u4f1a\u4fdd\u5b58name\u8fd9\u4e2a\u5c5e\u6027，\u5f53\u6211\u4eec\u6b63\u786e\u7684\u65f6\u5019\u624d\u4f1a\u4fdd\u5b58，\u6211\u4eec\u540e\u7aef\u8fd4\u56de\u7684\u9875\u9762\u8ddfsession\u4fe1\u606f\u5173\u7cfb\u5bc6\u5207，\u6211\u4eec\u4f1a\u6839\u636e\u5ba2\u6237\u7aef\u6240\u5e26\u7684cookie\u4e2d\u7684sessionid\u6765\u786e\u8ba4，\u5982\u679c\u662f\u9519\u8bef\u7684\u8bdd，\u6211\u4eec\u540e\u7aef\u62ff\u5230\u7684session\u91cc\u9762\u5c31\u538b\u6839\u6ca1\u6709\u5b58\u4efb\u4f55\u4e1c\u897f，\u6240\u4ee5\u8fd4\u56de\u7684\u7528\u6237\u540d\u4e5f\u5c31\u662f\u5565\u90fd\u6ca1\u6709\u7684，\u4f46\u662f\u6b63\u786e\u65f6\u5019\u62ff\u5230\u7684sessionid\u5f97\u5230\u7684session\u5c31\u662f\u6709\u6b63\u786e\u7684name\u7684，\u90a3\u6211\u4eec\u4f1a\u60f3：\u8fd9\u4e2asession\u7684\u4f7f\u7528\u5bff\u547d\u6216\u8005\u8303\u56f4\u662f\u600e\u4e48\u6765\u89c4\u5b9a\u7684\u5462，\u54ea\u79cd\u60c5\u51b5\u4f1a\u521b\u5efa\u65b0\u7684session<\/p>\n\n\n\n

    \u573a\u666f<\/p>\n

    \u901a\u5e38\u4f1a\u53d1\u751f\u4ec0\u4e48<\/p>\n<\/tr>\n

    \n\n\n\n\n
    \n

    \u540c\u4e00\u6d4f\u89c8\u5668\u8fde\u7eed\u53d1\u9001\u591a\u4e2a\u8bf7\u6c42<\/p>\n<\/td>\n

    		\n

    \u627e\u5230\u540c\u4e00\u4e2a Session<\/p>\n<\/td>\n<\/tr>\n

    \n

    \u540c\u4e00\u6d4f\u89c8\u5668\u5148\u767b\u5f55\u5931\u8d25，\u518d\u767b\u5f55\u6210\u529f<\/p>\n<\/td>\n

    		\n

    \u539f Session \u4ecd\u6709\u6548\u65f6，\u901a\u5e38\u590d\u7528\u539f Session<\/p>\n<\/td>\n<\/tr>\n

    \n

    \u540c\u4e00\u4e2a admin \u6362\u53e6\u4e00\u53f0\u7535\u8111\u767b\u5f55<\/p>\n<\/td>\n

    		\n

    \u901a\u5e38\u521b\u5efa\u6216\u4f7f\u7528\u53e6\u4e00\u4e2a Session<\/p>\n<\/td>\n<\/tr>\n

    \n

    Session \u8d85\u65f6\u6216\u88ab\u9500\u6bc1\u540e\u518d\u6b21\u8bbf\u95ee<\/p>\n<\/td>\n

    		\n

    \u901a\u5e38\u521b\u5efa\u65b0\u7684 Session<\/p>\n<\/td>\n<\/tr>\n

    \n

    \u4e24\u4e2a\u4eba\u5171\u7528\u540c\u4e00\u4e2a\u6d4f\u89c8\u5668\u548c\u6709\u6548\u4f1a\u8bdd<\/p>\n<\/td>\n

    		\n

    \u53ef\u80fd\u8bbf\u95ee\u540c\u4e00\u4e2a Session，\u4e0d\u80fd\u4ec5\u51ed Session \u533a\u5206\u5b9e\u9645\u64cd\u4f5c\u8005<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    session\u662f\u5426\u4f1a\u91cd\u65b0\u521b\u5efa\u5c31\u662f\u4e0a\u9762\u8fd9\u5f20\u8868\u6240\u8bf4\u7684，\u6240\u4ee5\u6211\u4eec\u5199\u7684\u4ee3\u7801\u7684\u60c5\u51b5，session\u5e76\u4e0d\u4f1a\u66f4\u65b0，\u9664\u975e\u4f60\u7b49\u5f88\u957f\u65f6\u95f4\u6216\u8005\u6362\u4e00\u4e2a\u6d4f\u89c8\u5668，\u8981\u4e0d\u77ed\u65f6\u95f4\u5728\u540c\u4e00\u4e2a\u6d4f\u89c8\u5668\u4e2dsession\u662f\u53ef\u80fd\u51fa\u73b0\u95ee\u9898\u7684，\u4e5f\u5c31\u662f\u8bf4\u8fd9\u4e2asession\u5e76\u4e0d\u80fd\u771f\u6b63\u7684\u786e\u8ba4\u7528\u6237\u662f\u4e0d\u662f\u6b63\u786e\u7684，\u56e0\u4e3a\u9519\u8bef\u7684\u8bdd\u662f\u4e0d\u5199，\u6b63\u786e\u7684\u8bdd\u662f\u5199\u8fdb\u53bb，\u4e5f\u5c31\u4ee3\u8868\u4e86\u6211\u4eec\u5199\u5b8c\u6b63\u786e\u7684\u4e4b\u540e，\u518d\u5199\u4e00\u4e2a\u9519\u8bef\u7684，session\u91cc\u9762\u8fd8\u662f\u5b58\u7684\u6b63\u786e\u65f6\u5019\u7684name，\u4f46\u662f\u597d\u5728\u6211\u4eec\u5f39\u7a97\u7684\u5224\u65ad\u662f\u76f4\u63a5\u6839\u636e\u8f93\u5165\u7684\u662f\u5426\u6b63\u786e，\u800c\u4e0d\u662f\u770bsession，\u6240\u4ee5\u4e0d\u4f1a\u51fa\u73b0\u6211\u4e0a\u4e00\u6b21\u662f\u6b63\u786e\u7684\u7136\u540e\u8df3\u8f6c，\u4e0b\u4e00\u6b21\u6211\u662f\u9519\u8bef\u7684\u4e5f\u8df3\u8f6c\u8fd9\u79cd\u60c5\u51b5，\u4f46\u662fsession\u4e0d\u505a\u5176\u4ed6\u5904\u7406\u7684\u8bdd\u662f\u201c\u9519\u8bef\u7684\u201d<\/p>\n

    \u4e09，\u7559\u8a00\u677f<\/h2>\n

    \u6211\u4eec\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u7559\u8a00\u677f，\u91cc\u9762\u5305\u542b\u4ece\u54ea\u91cc\u6765，\u5bf9\u8c01\u8bf4\u4ee5\u53ca\u8bf4\u4ec0\u4e48<\/p>\n

    \u9996\u5148\u6211\u4eec\u5148\u521b\u5efa\u540e\u7aef\u63a5\u53e3，\u5148\u662f\u5b9a\u4e49\u4e00\u4e2a\u5bf9\u8c61，\u91cc\u9762\u5305\u542b\u6211\u4eec\u8981\u4f20\u8f93\u7684\u6570\u636e，\u5e76\u4e14\u5199\u51faget\u548cset\u65b9\u6cd5，\u8fd9\u4e9bget\u548cset\u65b9\u6cd5\u6bcf\u4e00\u6b21\u90fd\u5199\u4f1a\u5f88\u9ebb\u70e6，\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5f15\u5165\u4e00\u4e2a\u4f9d\u8d56\u6765\u7b80\u5316\u6211\u4eec\u7684\u4ee3\u7801\u4e66\u5199<\/p>\n

    lombok<\/h3>\n

    \u8fd9\u4e2a\u65b9\u6cd5\u53ef\u4ee5\u5e2e\u6211\u4eec\u7b80\u5316\u4e00\u4e9b\u4e1c\u897f，\u6bd4\u5982get，set\u65b9\u6cd5，\u91cd\u5199\u7b49\u65b9\u6cd5，\u90a3\u5982\u4f55\u8fdb\u884c\u5f15\u5165\u5462<\/p>\n

    \u65b9\u6cd5\u4e00：\u5728\u521b\u5efaspring\u9879\u76ee\u7684\u65f6\u5019\u52fe\u9009\u4e0alombok\u9009\u9879<\/p>\n

    \u65b9\u6cd5\u4e8c：\u4e0b\u8f7d\u63d2\u4ef6：EditStarters<\/p>\n

    \u65b9\u6cd5\u4e09：\u5728pom\u6587\u4ef6\u91cc\u6dfb\u52a0lombok\u76f8\u5173\u4f9d\u8d56\u4ee3\u7801<\/p>\n

    \u8fd9\u91cc\u6211\u4eec\u9009\u62e9\u5728\u7b2c\u4e09\u79cd\u65b9\u5f0f\u6765\u6dfb\u52a0<\/p>\n

    <dependency>
    \n<groupId>org.projectlombok<\/groupId>
    \n<artifactId>lombok<\/artifactId>
    \n<optional>true<\/optional>
    \n<\/dependency><\/p>\n

    \"\"<\/p>\n

    \u600e\u4e48\u7528：<\/p>\n

    （\u76f4\u63a5\u5f15\u5165\u540e\u52a0\u6ce8\u89e3\u5c31\u53ef\u4ee5\u4e86）<\/p>\n\n\n\n

    \u6ce8\u89e3<\/p>\n

    \u4f5c\u7528<\/p>\n<\/tr>\n

    \n\n\n\n\n
    \n

    @Getter<\/p>\n<\/td>\n

    		\n

    \u81ea\u52a8\u751f\u6210 Getter \u65b9\u6cd5，\u7528\u4e8e\u83b7\u53d6\u5c5e\u6027\u503c<\/p>\n<\/td>\n<\/tr>\n

    \n

    @Setter<\/p>\n<\/td>\n

    		\n

    \u81ea\u52a8\u751f\u6210 Setter \u65b9\u6cd5，\u7528\u4e8e\u4fee\u6539\u5c5e\u6027\u503c<\/p>\n<\/td>\n<\/tr>\n

    \n

    @ToString<\/p>\n<\/td>\n

    		\n

    \u81ea\u52a8\u751f\u6210 toString() \u65b9\u6cd5，\u65b9\u4fbf\u6253\u5370\u5bf9\u8c61\u4fe1\u606f<\/p>\n<\/td>\n<\/tr>\n

    \n

    @EqualsAndHashCode<\/p>\n<\/td>\n

    		\n

    \u81ea\u52a8\u751f\u6210 equals() \u548c hashCode() \u65b9\u6cd5<\/p>\n<\/td>\n<\/tr>\n

    \n

    @Data<\/p>\n<\/td>\n

    		\n

    \u7efc\u5408\u6ce8\u89e3，\u5305\u542b Getter\u3001Setter\u3001ToString\u3001EqualsAndHashCode \u548c RequiredArgsConstructor \u7b49\u529f\u80fd<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u540e\u7aef\u7559\u8a00\u4ee5\u53ca\u62ff\u53d6\u7559\u8a00\u4ee3\u7801<\/h3>\n

    \u6211\u4eec\u4e3a\u4e86\u5b58\u50a8\u6570\u636e，\u4e00\u822c\u662f\u5185\u5b58\u5b58\u50a8\u548c\u5916\u5b58（\u786c\u76d8），\u8fd9\u91cc\u6211\u4eec\u9009\u62e9\u5185\u5b58，\u6211\u4eec\u9009\u62e9\u7684\u662f\u5c06\u6570\u636e\u5b58\u5728list\u5f53\u4e2d<\/p>\n

    package com.example.demo;
    \nimport org.springframework.util.StringUtils;
    \nimport org.springframework.web.bind.annotation.RequestBody;
    \nimport org.springframework.web.bind.annotation.RequestMapping;
    \nimport org.springframework.web.bind.annotation.RestController;
    \nimport java.util.ArrayList;
    \nimport java.util.List;
    \n@RestController
    \n@RequestMapping("\/MessageController")
    \npublic class MessageController {
    \n \/\/\u6211\u4eec\u5c06\u6570\u636e\u5b58\u653e\u5728\u5185\u5b58\u4e2d，\u4e5f\u5c31\u662f\u5148\u5199\u4e00\u4e2alist\u5b58\u5728\u91cc\u9762
    \n List<MessageInfo>list=new ArrayList<>();
    \n \/\/\u53d1\u5e03\u7684\u63a5\u53e3
    \n @RequestMapping("\/publish")
    \n public Boolean publish(@RequestBody MessageInfo messageInfo ){
    \n if (!StringUtils.hasLength(messageInfo.getFrom())||
    \n !StringUtils.hasLength(messageInfo.getTo())||
    \n !StringUtils.hasLength(messageInfo.getMes())){
    \n return false;
    \n }else {
    \n list.add(messageInfo);
    \n return true;
    \n }
    \n }
    \n \/\/\u52a0\u8f7d\u6570\u636e\u7684\u63a5\u53e3
    \n @RequestMapping("\/getmes")
    \n public List<MessageInfo> getmes(){
    \n return list;
    \n }
    \n}<\/p>\n

    @RequestBody\u7528\u6765\u544a\u8bc9 Spring MVC：\u4ece HTTP \u8bf7\u6c42\u4f53\u4e2d\u8bfb\u53d6\u6570\u636e，\u5e76\u5c1d\u8bd5\u5c06\u5176\u8f6c\u6362\u6210 Java \u5bf9\u8c61<\/p>\n

    package com.example.demo;
    \nimport lombok.Data;
    \n@Data
    \npublic class MessageInfo {
    \n private String from;
    \n private String to;
    \n private String mes;
    \n}<\/p>\n

    \"\"<\/p>\n

    \"\"<\/p>\n

    \u524d\u7aef\u7559\u8a00\u677f\u4ee3\u7801<\/h3>\n

    <!DOCTYPE html>
    \n<html lang="en"><\/p>\n

    <head>
    \n <meta charset="UTF-8">
    \n <meta name="viewport" content="width=device-width, initial-scale=1.0">
    \n <title>\u7559\u8a00\u677f<\/title>
    \n <style>
    \n .container {
    \n width: 400px;
    \n height: 300px;
    \n margin: 0 auto;
    \n \/* border: 1px black solid; *\/
    \n text-align: center;
    \n }<\/p>\n

    .grey {
    \n color: grey;
    \n }<\/p>\n

    .container .row {
    \n width: 350px;
    \n height: 40px;<\/p>\n

    display: flex;
    \n justify-content: space-between;
    \n align-items: center;
    \n }<\/p>\n

    .container .row input {
    \n width: 260px;
    \n height: 30px;
    \n }<\/p>\n

    #submit {
    \n width: 350px;
    \n height: 40px;
    \n background-color: orange;
    \n color: white;
    \n border: none;
    \n margin: 10px;
    \n border-radius: 5px;
    \n font-size: 20px;
    \n }
    \n <\/style>
    \n<\/head><\/p>\n

    <body>
    \n<div class="container">
    \n <h1>\u7559\u8a00\u677f<\/h1>
    \n <p class="grey">\u8f93\u5165\u540e\u70b9\u51fb\u63d0\u4ea4, \u4f1a\u5c06\u4fe1\u606f\u663e\u793a\u4e0b\u65b9\u7a7a\u767d\u5904<\/p>
    \n <div class="row">
    \n <span>\u8c01:<\/span> <input type="text" name="" id="from">
    \n <\/div>
    \n <div class="row">
    \n <span>\u5bf9\u8c01:<\/span> <input type="text" name="" id="to">
    \n <\/div>
    \n <div class="row">
    \n <span>\u8bf4\u4ec0\u4e48:<\/span> <input type="text" name="" id="say">
    \n <\/div>
    \n <input type="button" value="\u63d0\u4ea4" id="submit" onclick="submit()">
    \n <!– <div>A \u5bf9 B \u8bf4: hello<\/div> –>
    \n<\/div><\/p>\n

    <script src="jquery.min.js"><\/script>
    \n<script>
    \n getmes();
    \n function getmes(){
    \n $.ajax({
    \n type:"get",
    \n url:"MessageController\/getmes",
    \n success:function(list){
    \n \/\/\u6210\u529f\u5c31\u5c06\u5217\u8868\u904d\u5386\u5b8c\u5199\u5728\u4e0b\u9762
    \n for(let messageInfo of list){
    \n \/\/2. \u6784\u9020\u8282\u70b9
    \n let divE = "<div>"+messageInfo.from +"\u5bf9" + messageInfo.to + "\u8bf4:" + messageInfo.mes+"<\/div>";
    \n \/\/3. \u628a\u8282\u70b9\u6dfb\u52a0\u5230\u9875\u9762\u4e0a
    \n $(".container").append(divE);
    \n }
    \n }
    \n })
    \n }
    \n function submit(){
    \n \/\/1. \u83b7\u53d6\u7559\u8a00\u7684\u5185\u5bb9
    \n var from = $('#from').val();
    \n var to = $('#to').val();
    \n var say = $('#say').val();
    \n if (from== '' || to == '' || say == '') {
    \n return;
    \n }
    \n \/\/\u63d0\u4ea4\u8bf7\u6c42
    \n $.ajax({
    \n type:"post",
    \n url:"MessageController\/publish",
    \n contentType:"application\/json",
    \n data:JSON.stringify({
    \n from:from,
    \n to:to,
    \n mes:say
    \n }),
    \n success:function(result){
    \n if(result){
    \n \/\/2. \u6784\u9020\u8282\u70b9
    \n var divE = "<div>"+from +"\u5bf9" + to + "\u8bf4:" + say+"<\/div>";
    \n \/\/3. \u628a\u8282\u70b9\u6dfb\u52a0\u5230\u9875\u9762\u4e0a
    \n $(".container").append(divE);
    \n \/\/4. \u6e05\u7a7a\u8f93\u5165\u6846\u7684\u503c
    \n $('#from').val("");
    \n $('#to').val("");
    \n $('#say').val("");
    \n }else{
    \n alert("\u53d1\u8868\u7559\u8a00\u5931\u8d25");
    \n }
    \n }
    \n })
    \n }<\/p>\n

    <\/script>
    \n<\/body><\/p>\n

    <\/html><\/p>\n

    \"\"<\/p>\n

    \u4ee3\u7801\u4e2d\u8fd9\u91cc\u524d\u9762\u7684from，to，mes\u662f\u6211\u4eec\u540e\u7aef\u7684\u6570\u636e\u7684\u547d\u540d，\u540e\u9762\u7684\u90a3\u4e2a\u662f\u6211\u4eec\u524d\u7aef\u8868\u683c\u4e2d\u83b7\u53d6\u7684\u6570\u636e\u7684\u540d\u79f0<\/p>\n

    \"\"<\/p>\n

    \u8fd9\u91cc\u7684list\u662f\u6211\u4eec\u81ea\u5df1\u5b9a\u4e49\u7684\u4e00\u4e2a\u53d8\u91cf\u540d，\u63a5\u6536ajax\u6210\u529f\u8fd4\u56de\u7684\u6570\u636e，\u90a3\u4e48\u8fd9\u4e2a\u8fd4\u56de\u7684\u4e5f\u5c31\u662f\u7531\u6240\u6709\u7559\u8a00\u7ec4\u6210\u7684\u4e00\u4e2a\u6570\u7ec4，\u6bcf\u4e00\u4e2a\u5143\u7d20\u90fd\u662f\u4e00\u6574\u6761\u7684\u7559\u8a00，\u4e0b\u9762\u8fd9\u4e2amessageInfo\u4e5f\u662f\u6211\u4eec\u81ea\u5df1\u5b9a\u4e49\u7684，\u8868\u793a\u62ff\u5230\u7684\u662f\u4e00\u6574\u6761\u7684\u7559\u8a00，\u518d\u4e0b\u4e00\u884c\u4e2d\u5c31\u662f\u62ff\u5230\u6211\u4eec\u6bcf\u4e00\u884c\u7559\u8a00\u4e2d\u7684\u6bcf\u4e00\u4e2a\u6570\u636e\u4e86，from，to，mes\u4e0d\u662f\u968f\u4fbf\u5b9a\u4e49\u7684，\u8fd9\u4e2a\u662f\u770b\u6211\u4eec\u540e\u7aef\u600e\u4e48\u547d\u540d\u7684<\/p>\n

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