springmvc文件上傳AND jwt身份驗證
SpringMVC文件上傳
思路:
一、首先定義頁面，定義多功能表單（enctype=「multipart/form-data」）
二、在Controller裏面定義一個方法，用參數（MultipartFile）來接收前臺傳遞過來的文件對象
三、而後文件上傳就是把文件從一個地方（本地）複製到另一個地方（服務器）html
添加pom依賴
<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>1.3.3</version>
</dependency>
配置springservlet-mvc.xml
<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
<!-- 必須和用戶JSP 的pageEncoding屬性一致，以便正確解析表單的內容 -->
<property name="defaultEncoding" value="UTF-8"></property>
<!-- 文件最大大小(字節) 1024*1024*50=50M-->
<property name="maxUploadSize" value="52428800"></property>
<!--resolveLazily屬性啓用是爲了推遲文件解析，以便捕獲文件大小異常-->
<property name="resolveLazily" value="true"/>
</bean>
文件上傳的方法
/** * 文件上傳的方法 * @param req * @return */ @RequestMapping("/upload") public String upload(HttpServletRequest req, MultipartFile xxx){ String fileName = xxx.getOriginalFilename(); String contentType = xxx.getContentType(); try { FileUtils.copyInputStreamToFile(xxx.getInputStream(),new File("D:/xxx/"+fileName)); } catch (IOException e) { e.printStackTrace(); } return "redirect:/book/list"; }
upload.jsp
<%-- Created by IntelliJ IDEA. User: 源 Date: 2019/10/30 Time: 18:12 To change this template use File | Settings | File Templates. --%> <%@ page contentType="text/html;charset=UTF-8" language="java" %> <html> <head> <title>講解springmvc文件上傳</title> </head> <body> <form action="/book/upload" method="post" enctype="multipart/form-data"> 請選擇文件：<input type="file" name="xxx" /> <input type="submit" value="ok" /> </form> </body> </html>
上傳結果
經過瀏覽器進行訪問
Jwt實現登陸驗證
思路：
登陸界面向後臺請求驗證碼，後臺就先調用隨機函數生成驗證碼，而且根據驗證碼生成一張圖片，以 base64 字符串的形式傳到前臺，這時咱們還要生成verificationJwt令牌作爲請求驗證碼客戶端的區分。咱們先將驗證碼信息存入redis。key是 verificationJwt令牌的值，value就是驗證碼了。而且將令牌放入到響應頭。傳給客戶端。當客戶端提交的時候將保持的verificationJwt令牌放入請求頭帶過來。後端根據前端傳過來的 jwt令牌去redis中獲取數據，將驗證碼拿到後和現有的驗證碼進行比較。看看是否相等
細節：
訪問一次登陸頁面，生成一個verificationJwt令牌，這個令牌的有效時間是5min，驗證碼在redis中的有效時間是1min，不管是verificationJwt令牌超時失效，仍是驗證碼生成後超時失效，都會形成登陸失敗；
簡單來講就是跳轉到登錄界面，須要在5min中以內完成登陸，新的驗證碼出來後，須要在1min中以內完成登陸前端
導入pom依賴
<!--引入JWT依賴,因爲是基於Java，因此須要的是java-jwt -->
<dependency>
<groupId>io.jsonwebtoken</groupId>
<artifactId>jjwt</artifactId>
<version>0.9.1</version>
</dependency>
<dependency>
<groupId>com.auth0</groupId>
<artifactId>java-jwt</artifactId>
<version>3.4.0</version>
</dependency>
vue前端代碼
State.jsvue
export default { resturantName: '每天餐館', jwt:'', options: [],//存放tab頁的容器 activeIndex: '',//激活的tab頁路由路徑 showName:'show',//tab頁的標題 role:""//用來區分是不是由於左側菜單被點擊形成的路由路徑發生改變，是：pass；不是：nopass verificationJwt:null, //這是用來保存用戶等登陸驗證碼jwt身份識別的 }
Mutations.jsjava
setVerificationJwt: (state, payload) => { state.verificationJwt = payload.verificationJwt; },
Getters.jsios
getVerificationJwt:(state) =>{ return state.verificationJwt; },
action.jsweb
/** * 對後臺請求的地址的封裝，URL格式以下： * 模塊名_實體名_操做 */ export default { // 'SERVER': 'http://localhost:8080/T216_SSH', //服務器 'SERVER': 'http://localhost:8080', // /webDemo/ssm 服務器 'SYSTEM_USER_DOLOGIN': '/vue/user/login', //用戶登錄 'VERIFICATION': '/vue/user/verificationCode', //用戶登錄 // 'SYSTEM_USER_DOLOGIN': '/vue/userAction_login.action', //用戶登錄 // 'SYSTEM_USER_DOREG': '/vue/userAction_reg.action', //用戶註冊 'SYSTEM_MENU_TREE': '/vue/treeNodeAction.action', //左側樹形菜單加載 'SYSTEM_ARTICLE_LIST': '/vue/articleAction_list.action', //文章列表 'SYSTEM_ARTICLE_ADD': '/vue/articleAction_add.action', //文章新增 'SYSTEM_ARTICLE_EDIT': '/vue/articleAction_edit.action', //文章修改 'SYSTEM_ARTICLE_DEL': '/vue/articleAction_del.action', //文章刪除 'SYSTEM_USER_GETASYNCDATA': '/vue/userAction_getAsyncData.action', //vuex中的異步加載數據 'getFullPath': k => { //得到請求的完整地址，用於mockjs測試時使用 return this.SERVER + this[k]; } }
http.jsajax
1 // 請求攔截器 2 axios.interceptors.request.use(function(config) { 3 //設置驗證碼jwt令牌 4 let verificationJwt = window.vm.$store.getters.getVerificationJwt; 5 if (verificationJwt) { 6 config.headers['verificationJwt'] = verificationJwt; 7 } 8 9 var jwt = window.vm.$store.getters.getJwt; 10 config.headers['jwt'] = jwt; 11 return config; 12 }, function(error) { 13 return Promise.reject(error); 14 }); 15 16 // 響應攔截器 17 axios.interceptors.response.use(function(response) { 18 // debugger; 19 //保存驗證碼jwt令牌 20 let verificationjwt = response.headers['verificationjwt']; 21 if (verificationjwt) { 22 window.vm.$store.commit('setVerificationJwt', { 23 verificationJwt: verificationjwt 24 }); 25 } 26 27 var jwt = response.headers['jwt']; 28 if (jwt) { 29 window.vm.$store.commit('setJwt', { 30 jwt: jwt 31 }); 32 } 33 return response; 34 }, function(error) { 35 return Promise.reject(error); 36 });
登陸界面login.vueredis
1 <template> 2 <div class="login-wrap"> 3 <el-form class="login-container"> 4 <h1 class="title">用戶登陸</h1> 5 <el-form-item label=""> 6 <el-input type="text" v-model="userName" placeholder="請輸入登陸帳號" autocomplete="off"></el-input> 7 </el-form-item> 8 <el-form-item label=""> 9 <el-input type="password" v-model="userPwd" placeholder="請輸入登陸密碼" autocomplete="off"></el-input> 10 </el-form-item> 11 <el-form-item label=""> 12 <el-row> 13 <el-col :span="16"> 14 <el-input type="text" v-model="verificationCode" placeholder="請輸入驗證碼" autocomplete="off"></el-input> 15 </el-col> 16 <el-col :span="8"> 17 <img id="img" :src="verificationCodeSrc" width="116px" height="40px" @click="changeVerificationCode" > 18 </el-col> 19 </el-row> 20 </el-form-item> 21 <el-form-item> 22 <el-button type="primary" style="width: 100%;" @click="doSubmit">登 錄</el-button> 23 </el-form-item> 24 <el-row style="text-align: center; margin-top: -15;"> 25 <el-link type="primary">忘記密碼</el-link> 26 <el-link type="primary" @click="gotoRegister">用戶註冊</el-link> 27 </el-row> 28 </el-form> 29 </div> 30 </template> 31 32 33 <script> 34 export default { 35 name: 'Login', 36 data: function() { 37 return { 38 userName: null, 39 userPwd: null, 40 verificationCode:null, 41 verificationCodeSrc:null 42 } 43 }, 44 methods: { 45 gotoRegister:function(){ 46 this.$router.push('/Register'); 47 }, 48 doSubmit: function() { 49 let params = { 50 uname: this.userName, 51 pwd: this.userPwd, 52 verificationCode: this.verificationCode 53 }; 54 let url = this.axios.urls.SYSTEM_USER_DOLOGIN; 55 56 this.axios.post(url, params).then(resp => { 57 if(resp.data.status==200) { 58 //提示登陸成功 59 this.$message({ 60 message: resp.data.msg, 61 type: 'success' 62 }); 63 //跳轉路由 64 this.$router.push({ 65 path:'/Main' 66 }) 67 //這是將用戶信息保持下來 68 // let user=resp.data.data 69 // this.$store.dispatch('setUserAsync',{ 70 // user:user 71 // }); 72 }else{ 73 this.$message({ 74 message: resp.data.msg, 75 type: 'error' 76 }); 77 } 78 }).catch(resp => { 79 this.$message({ 80 message: "請求異常", 81 type: 'error' 82 }); 83 }); 84 }, 85 //更新驗證碼 86 changeVerificationCode(){ 87 let url = this.axios.urls.VERIFICATION; 88 this.axios.post(url, {}).then(resp => { 89 this.verificationCodeSrc = resp.data; 90 }).catch(resp => { 91 console.log(resp); 92 }); 93 94 } 95 } 96 , 97 created() { 98 let url = this.axios.urls.VERIFICATION; 99 this.axios.post(url, {}).then(resp => { 100 this.verificationCodeSrc = resp.data; 101 }).catch(resp => { 102 console.log(resp); 103 }); 104 } 105 } 106 </script> 107 108 <!-- Add "scoped" attribute to limit CSS to this component only --> 109 <style scoped> 110 .login-wrap { 111 box-sizing: border-box; 112 width: 100%; 113 height: 100%; 114 padding-top: 10%; 115 background-image: url(data:image/svg+xml;base64,<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<svg width="1361px" height="609px" viewBox="0 0 1361 609" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
    <!-- Generator: Sketch 46.2 (44496) - http://www.bohemiancoding.com/sketch -->
    <title>Group 21</title>
    <desc>Created with Sketch.</desc>
    <defs></defs>
    <g id="Ant-Design-Pro-3.0" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
        <g id="账户密码登录-校验" transform="translate(-79.000000, -82.000000)">
            <g id="Group-21" transform="translate(77.000000, 73.000000)">
                <g id="Group-18" opacity="0.8" transform="translate(74.901416, 569.699158) rotate(-7.000000) translate(-74.901416, -569.699158) translate(4.901416, 525.199158)">
                    <ellipse id="Oval-11" fill="#CFDAE6" opacity="0.25" cx="63.5748792" cy="32.468367" rx="21.7830479" ry="21.766008"></ellipse>
                    <ellipse id="Oval-3" fill="#CFDAE6" opacity="0.599999964" cx="5.98746479" cy="13.8668601" rx="5.2173913" ry="5.21330997"></ellipse>
                    <path d="M38.1354514,88.3520215 C43.8984227,88.3520215 48.570234,83.6838647 48.570234,77.9254015 C48.570234,72.1669383 43.8984227,67.4987816 38.1354514,67.4987816 C32.3724801,67.4987816 27.7006688,72.1669383 27.7006688,77.9254015 C27.7006688,83.6838647 32.3724801,88.3520215 38.1354514,88.3520215 Z" id="Oval-3-Copy" fill="#CFDAE6" opacity="0.45"></path>
                    <path d="M64.2775582,33.1704963 L119.185836,16.5654915" id="Path-12" stroke="#CFDAE6" stroke-width="1.73913043" stroke-linecap="round" stroke-linejoin="round"></path>
                    <path d="M42.1431708,26.5002681 L7.71190162,14.5640702" id="Path-16" stroke="#E0B4B7" stroke-width="0.702678964" opacity="0.7" stroke-linecap="round" stroke-linejoin="round" stroke-dasharray="1.405357899873153,2.108036953469981"></path>
                    <path d="M63.9262187,33.521561 L43.6721326,69.3250951" id="Path-15" stroke="#BACAD9" stroke-width="0.702678964" stroke-linecap="round" stroke-linejoin="round" stroke-dasharray="1.405357899873153,2.108036953469981"></path>
                    <g id="Group-17" transform="translate(126.850922, 13.543654) rotate(30.000000) translate(-126.850922, -13.543654) translate(117.285705, 4.381889)" fill="#CFDAE6">
                        <ellipse id="Oval-4" opacity="0.45" cx="9.13482653" cy="9.12768076" rx="9.13482653" ry="9.12768076"></ellipse>
                        <path d="M18.2696531,18.2553615 C18.2696531,13.2142826 14.1798519,9.12768076 9.13482653,9.12768076 C4.08980114,9.12768076 0,13.2142826 0,18.2553615 L18.2696531,18.2553615 Z" id="Oval-4" transform="translate(9.134827, 13.691521) scale(-1, -1) translate(-9.134827, -13.691521) "></path>
                    </g>
                </g>
                <g id="Group-14" transform="translate(216.294700, 123.725600) rotate(-5.000000) translate(-216.294700, -123.725600) translate(106.294700, 35.225600)">
                    <ellipse id="Oval-2" fill="#CFDAE6" opacity="0.25" cx="29.1176471" cy="29.1402439" rx="29.1176471" ry="29.1402439"></ellipse>
                    <ellipse id="Oval-2" fill="#CFDAE6" opacity="0.3" cx="29.1176471" cy="29.1402439" rx="21.5686275" ry="21.5853659"></ellipse>
                    <ellipse id="Oval-2-Copy" stroke="#CFDAE6" opacity="0.4" cx="179.019608" cy="138.146341" rx="23.7254902" ry="23.7439024"></ellipse>
                    <ellipse id="Oval-2" fill="#BACAD9" opacity="0.5" cx="29.1176471" cy="29.1402439" rx="10.7843137" ry="10.7926829"></ellipse>
                    <path d="M29.1176471,39.9329268 L29.1176471,18.347561 C23.1616351,18.347561 18.3333333,23.1796097 18.3333333,29.1402439 C18.3333333,35.1008781 23.1616351,39.9329268 29.1176471,39.9329268 Z" id="Oval-2" fill="#BACAD9"></path>
                    <g id="Group-9" opacity="0.45" transform="translate(172.000000, 131.000000)" fill="#E6A1A6">
                        <ellipse id="Oval-2-Copy-2" cx="7.01960784" cy="7.14634146" rx="6.47058824" ry="6.47560976"></ellipse>
                        <path d="M0.549019608,13.6219512 C4.12262681,13.6219512 7.01960784,10.722722 7.01960784,7.14634146 C7.01960784,3.56996095 4.12262681,0.670731707 0.549019608,0.670731707 L0.549019608,13.6219512 Z" id="Oval-2-Copy-2" transform="translate(3.784314, 7.146341) scale(-1, 1) translate(-3.784314, -7.146341) "></path>
                    </g>
                    <ellipse id="Oval-10" fill="#CFDAE6" cx="218.382353" cy="138.685976" rx="1.61764706" ry="1.61890244"></ellipse>
                    <ellipse id="Oval-10-Copy-2" fill="#E0B4B7" opacity="0.35" cx="179.558824" cy="175.381098" rx="1.61764706" ry="1.61890244"></ellipse>
                    <ellipse id="Oval-10-Copy" fill="#E0B4B7" opacity="0.35" cx="180.098039" cy="102.530488" rx="2.15686275" ry="2.15853659"></ellipse>
                    <path d="M28.9985381,29.9671598 L171.151018,132.876024" id="Path-11" stroke="#CFDAE6" opacity="0.8"></path>
                </g>
                <g id="Group-10" opacity="0.799999952" transform="translate(1054.100635, 36.659317) rotate(-11.000000) translate(-1054.100635, -36.659317) translate(1026.600635, 4.659317)">
                    <ellipse id="Oval-7" stroke="#CFDAE6" stroke-width="0.941176471" cx="43.8135593" cy="32" rx="11.1864407" ry="11.2941176"></ellipse>
                    <g id="Group-12" transform="translate(34.596774, 23.111111)" fill="#BACAD9">
                        <ellipse id="Oval-7" opacity="0.45" cx="9.18534718" cy="8.88888889" rx="8.47457627" ry="8.55614973"></ellipse>
                        <path d="M9.18534718,17.4450386 C13.8657264,17.4450386 17.6599235,13.6143199 17.6599235,8.88888889 C17.6599235,4.16345787 13.8657264,0.332739156 9.18534718,0.332739156 L9.18534718,17.4450386 Z" id="Oval-7"></path>
                    </g>
                    <path d="M34.6597385,24.809694 L5.71666084,4.76878945" id="Path-2" stroke="#CFDAE6" stroke-width="0.941176471"></path>
                    <ellipse id="Oval" stroke="#CFDAE6" stroke-width="0.941176471" cx="3.26271186" cy="3.29411765" rx="3.26271186" ry="3.29411765"></ellipse>
                    <ellipse id="Oval-Copy" fill="#F7E1AD" cx="2.79661017" cy="61.1764706" rx="2.79661017" ry="2.82352941"></ellipse>
                    <path d="M34.6312443,39.2922712 L5.06366663,59.785082" id="Path-10" stroke="#CFDAE6" stroke-width="0.941176471"></path>
                </g>
                <g id="Group-19" opacity="0.33" transform="translate(1282.537219, 446.502867) rotate(-10.000000) translate(-1282.537219, -446.502867) translate(1142.537219, 327.502867)">
                    <g id="Group-17" transform="translate(141.333539, 104.502742) rotate(275.000000) translate(-141.333539, -104.502742) translate(129.333539, 92.502742)" fill="#BACAD9">
                        <circle id="Oval-4" opacity="0.45" cx="11.6666667" cy="11.6666667" r="11.6666667"></circle>
                        <path d="M23.3333333,23.3333333 C23.3333333,16.8900113 18.1099887,11.6666667 11.6666667,11.6666667 C5.22334459,11.6666667 0,16.8900113 0,23.3333333 L23.3333333,23.3333333 Z" id="Oval-4" transform="translate(11.666667, 17.500000) scale(-1, -1) translate(-11.666667, -17.500000) "></path>
                    </g>
                    <circle id="Oval-5-Copy-6" fill="#CFDAE6" cx="201.833333" cy="87.5" r="5.83333333"></circle>
                    <path d="M143.5,88.8126685 L155.070501,17.6038544" id="Path-17" stroke="#BACAD9" stroke-width="1.16666667"></path>
                    <path d="M17.5,37.3333333 L127.466252,97.6449735" id="Path-18" stroke="#BACAD9" stroke-width="1.16666667"></path>
                    <polyline id="Path-19" stroke="#CFDAE6" stroke-width="1.16666667" points="143.902597 120.302281 174.935455 231.571342 38.5 147.510847 126.366941 110.833333"></polyline>
                    <path d="M159.833333,99.7453842 L195.416667,89.25" id="Path-20" stroke="#E0B4B7" stroke-width="1.16666667" opacity="0.6"></path>
                    <path d="M205.333333,82.1372105 L238.719406,36.1666667" id="Path-24" stroke="#BACAD9" stroke-width="1.16666667"></path>
                    <path d="M266.723424,132.231988 L207.083333,90.4166667" id="Path-25" stroke="#CFDAE6" stroke-width="1.16666667"></path>
                    <circle id="Oval-5" fill="#C1D1E0" cx="156.916667" cy="8.75" r="8.75"></circle>
                    <circle id="Oval-5-Copy-3" fill="#C1D1E0" cx="39.0833333" cy="148.75" r="5.25"></circle>
                    <circle id="Oval-5-Copy-2" fill-opacity="0.6" fill="#D1DEED" cx="8.75" cy="33.25" r="8.75"></circle>
                    <circle id="Oval-5-Copy-4" fill-opacity="0.6" fill="#D1DEED" cx="243.833333" cy="30.3333333" r="5.83333333"></circle>
                    <circle id="Oval-5-Copy-5" fill="#E0B4B7" cx="175.583333" cy="232.75" r="5.25"></circle>
                </g>
            </g>
        </g>
    </g>
</svg>); 116 /* background-color: #112346; */ 117 background-repeat: no-repeat; 118 background-position: center right; 119 background-size: 100%; 120 } 121 122 .login-container { 123 border-radius: 10px; 124 margin: 0px auto; 125 width: 350px; 126 padding: 30px 35px 15px 35px; 127 background: #fff; 128 border: 1px solid #eaeaea; 129 text-align: left; 130 box-shadow: 0 0 20px 2px rgba(0, 0, 0, 0.1); 131 } 132 133 .title { 134 margin: 0px auto 40px auto; 135 text-align: center; 136 color: #505458; 137 } 138 </style>
後端代碼
Util類
CorsFilter算法
1 package com.yuan.util; 2 3 import java.io.IOException; 4 5 import javax.servlet.Filter; 6 import javax.servlet.FilterChain; 7 import javax.servlet.FilterConfig; 8 import javax.servlet.ServletException; 9 import javax.servlet.ServletRequest; 10 import javax.servlet.ServletResponse; 11 import javax.servlet.http.HttpServletRequest; 12 import javax.servlet.http.HttpServletResponse; 13 14 /** 15 * 配置tomcat容許跨域訪問 16 * 17 * @author Administrator 18 * 19 */ 20 public class CorsFilter implements Filter { 21 22 @Override 23 public void init(FilterConfig filterConfig) throws ServletException { 24 } 25 26 @Override 27 public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) 28 throws IOException, ServletException { 29 HttpServletResponse resp = (HttpServletResponse) servletResponse; 30 HttpServletRequest req = (HttpServletRequest) servletRequest; 31 32 // Access-Control-Allow-Origin就是咱們須要設置的域名 33 // Access-Control-Allow-Headers跨域容許包含的頭。 34 // Access-Control-Allow-Methods是容許的請求方式 35 resp.setHeader("Access-Control-Allow-Origin", "*");// *,任何域名 36 resp.setHeader("Access-Control-Allow-Methods", "POST, GET, PUT, DELETE"); 37 // resp.setHeader("Access-Control-Allow-Headers", "Origin,X-Requested-With, 38 // Content-Type, Accept"); 39 // 容許客戶端，發一個新的請求頭jwt 40 //容許客戶端發送一個新的請求頭 41 resp.setHeader("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept, jwt, verificationJwt"); 42 //容許客戶端處理一個新的響應頭jwt 43 resp.setHeader("Access-Control-Expose-Headers", "jwt"); 44 resp.setHeader("Access-Control-Expose-Headers", "verificationJwt"); 45 // String sss = resp.getHeader("Access-Control-Expose-Headers"); 46 // System.out.println("sss=" + sss); 47 48 // 容許請求頭Token 49 // httpResponse.setHeader("Access-Control-Allow-Headers","Origin,X-Requested-With, 50 // Content-Type, Accept, Token"); 51 // System.out.println("Token=" + req.getHeader("Token")); 52 53 if ("OPTIONS".equals(req.getMethod())) {// axios的ajax會發兩次請求，第一次提交方式爲：option，直接返回便可 54 return; 55 } 56 filterChain.doFilter(servletRequest, servletResponse); 57 } 58 59 @Override 60 public void destroy() { 61 62 } 63 }
ImageUtilspring
1 package com.yuan.util; 2 3 import sun.misc.BASE64Encoder; 4 5 import javax.imageio.ImageIO; 6 import java.awt.*; 7 import java.awt.image.BufferedImage; 8 import java.io.ByteArrayOutputStream; 9 import java.io.IOException; 10 import java.util.Random; 11 12 public class ImageUtil { 13 14 /** 15 * 根據指定的隨機數 生成驗證碼圖片 轉 base64 16 * @param word 要生存的驗證碼隨機字符串 17 * @param width 圖片寬度 18 * @param height 圖片高度 19 * @return base64 格式生成的驗證碼圖片 20 * @throws IOException 21 */ 22 public static String createImageWithVerifyCode(String word, int width, int height) throws IOException { 23 String png_base64=""; 24 //繪製內存中的圖片 25 BufferedImage bufferedImage = new BufferedImage(width,height,BufferedImage.TYPE_INT_RGB); 26 //獲得畫圖對象 27 Graphics graphics = bufferedImage.getGraphics(); 28 //繪製圖片前指定一個顏色 29 graphics.setColor(getRandColor(160,200)); 30 graphics.fillRect(0,0,width,height); 31 //繪製邊框 32 graphics.setColor(Color.white); 33 graphics.drawRect(0, 0, width - 1, height - 1); 34 // 步驟四 四個隨機數字 35 Graphics2D graphics2d = (Graphics2D) graphics; 36 graphics2d.setFont(new Font("宋體", Font.BOLD, 18)); 37 Random random = new Random(); 38 // 定義x座標 39 int x = 10; 40 for (int i = 0; i < word.length(); i++) { 41 // 隨機顏色 42 graphics2d.setColor(new Color(20 + random.nextInt(110), 20 + random.nextInt(110), 20 + random.nextInt(110))); 43 // 旋轉 -30 --- 30度 44 int jiaodu = random.nextInt(60) - 30; 45 // 換算弧度 46 double theta = jiaodu * Math.PI / 180; 47 // 得到字母數字 48 char c = word.charAt(i); 49 //將c 輸出到圖片 50 graphics2d.rotate(theta, x, 20); 51 graphics2d.drawString(String.valueOf(c), x, 20); 52 graphics2d.rotate(-theta, x, 20); 53 x += 30; 54 } 55 // 繪製干擾線 56 graphics.setColor(getRandColor(160, 200)); 57 int x1; 58 int x2; 59 int y1; 60 int y2; 61 for (int i = 0; i < 30; i++) { 62 x1 = random.nextInt(width); 63 x2 = random.nextInt(12); 64 y1 = random.nextInt(height); 65 y2 = random.nextInt(12); 66 graphics.drawLine(x1, y1, x1 + x2, x2 + y2); 67 } 68 graphics.dispose();// 釋放資源 69 ByteArrayOutputStream baos = new ByteArrayOutputStream();//io流 70 ImageIO.write(bufferedImage, "png", baos);//寫入流中 71 byte[] bytes = baos.toByteArray();//轉換成字節 72 BASE64Encoder encoder = new BASE64Encoder(); 73 png_base64 = encoder.encodeBuffer(bytes).trim(); 74 png_base64 = png_base64.replaceAll("\n", "").replaceAll("\r", "");//刪除 \r\n 75 return png_base64; 76 } 77 78 79 80 /**設置隨機顏色*/ 81 private static Color getRandColor(int fc, int bc) { 82 // 取其隨機顏色 83 Random random = new Random(); 84 if (fc > 255) { 85 fc = 255; 86 } 87 if (bc > 255) { 88 bc = 255; 89 } 90 int r = fc + random.nextInt(bc - fc); 91 int g = fc + random.nextInt(bc - fc); 92 int b = fc + random.nextInt(bc - fc); 93 return new Color(r, g, b); 94 } 95 96 }
JSONResult
1 package com.yuan.util; 2 3 public class JSONResult { 4 5 // 響應業務狀態 6 private Integer status; 7 8 // 響應消息 9 private String msg; 10 11 // 響應中的數據 12 private Object data; 13 14 private String ok; // 不使用 15 16 public static JSONResult build(Integer status, String msg, Object data) { 17 return new JSONResult(status, msg, data); 18 } 19 20 public static JSONResult ok(Object data) { 21 return new JSONResult(data); 22 } 23 24 public static JSONResult ok() { 25 return new JSONResult(null); 26 } 27 28 public static JSONResult errorMsg(String msg) { 29 return new JSONResult(500, msg, null); 30 } 31 32 public static JSONResult errorMap(Object data) { 33 return new JSONResult(501, "error", data); 34 } 35 36 public static JSONResult errorTokenMsg(String msg) { 37 return new JSONResult(502, msg, null); 38 } 39 40 public static JSONResult errorException(String msg) { 41 return new JSONResult(555, msg, null); 42 } 43 44 public JSONResult() { 45 46 } 47 48 public JSONResult(Integer status, String msg, Object data) { 49 this.status = status; 50 this.msg = msg; 51 this.data = data; 52 } 53 54 public JSONResult(Object data) { 55 this.status = 200; 56 this.msg = "OK"; 57 this.data = data; 58 } 59 60 public Boolean isOK() { 61 return this.status == 200; 62 } 63 64 public Integer getStatus() { 65 return status; 66 } 67 68 public void setStatus(Integer status) { 69 this.status = status; 70 } 71 72 public String getMsg() { 73 return msg; 74 } 75 76 public void setMsg(String msg) { 77 this.msg = msg; 78 } 79 80 public Object getData() { 81 return data; 82 } 83 84 public void setData(Object data) { 85 this.data = data; 86 } 87 88 public String getOk() { 89 return ok; 90 } 91 92 public void setOk(String ok) { 93 this.ok = ok; 94 } 95 96 }
JwtUtils
1 package com.yuan.util; 2 3 import java.util.Date; 4 import java.util.Map; 5 import java.util.UUID; 6 7 import javax.crypto.SecretKey; 8 import javax.crypto.spec.SecretKeySpec; 9 10 import org.apache.commons.codec.binary.Base64; 11 12 import io.jsonwebtoken.Claims; 13 import io.jsonwebtoken.JwtBuilder; 14 import io.jsonwebtoken.Jwts; 15 import io.jsonwebtoken.SignatureAlgorithm; 16 17 /** 18 * JWT驗證過濾器：配置順序 CorsFilte->JwtUtilsr-->StrutsPrepareAndExecuteFilter 19 * 20 */ 21 public class JwtUtils { 22 /** 23 * JWT_WEB_TTL：WEBAPP應用中token的有效時間,默認30分鐘 24 */ 25 public static final long JWT_WEB_TTL = 5 * 60 * 1000; 26 27 /** 28 * 將jwt令牌保存到header中的key 29 */ 30 public static final String JWT_HEADER_KEY = "jwt"; 31 public static final String JWT_VERIFICATION_KEY = "verificationJwt"; 32 33 // 指定簽名的時候使用的簽名算法，也就是header那部分，jjwt已經將這部份內容封裝好了。 34 private static final SignatureAlgorithm SIGNATURE_ALGORITHM = SignatureAlgorithm.HS256; 35 private static final String JWT_SECRET = "f356cdce935c42328ad2001d7e9552a3";// JWT密匙 36 private static final SecretKey JWT_KEY;// 使用JWT密匙生成的加密key 37 // private static final SecretKey JWT_VERIFICATION_KEY;// 使用JWT密匙生成的加密key 38 39 40 static { 41 byte[] encodedKey = Base64.decodeBase64(JWT_SECRET); 42 JWT_KEY = new SecretKeySpec(encodedKey, 0, encodedKey.length, "AES"); 43 // 這裏我偷個懶，用戶登陸jwt密鑰，與圖形驗證碼jwt密鑰搞成同一個 44 // JWT_VERIFICATION_KEY = new SecretKeySpec(encodedKey, 0, encodedKey.length, "AES"); 45 } 46 47 private JwtUtils() { 48 } 49 50 /** 51 * 解密jwt，得到全部聲明(包括標準和私有聲明) 52 * 53 * @param jwt 54 * @return 55 * @throws Exception 56 */ 57 public static Claims parseJwt(String jwt) { 58 Claims claims = Jwts.parser().setSigningKey(JWT_KEY).parseClaimsJws(jwt).getBody(); 59 return claims; 60 } 61 62 /** 63 * 建立JWT令牌，簽發時間爲當前時間 64 * 65 * @param claims 66 * 建立payload的私有聲明（根據特定的業務須要添加，若是要拿這個作驗證，通常是須要和jwt的接收方提早溝通好驗證方式的） 67 * @param ttlMillis 68 * JWT的有效時間(單位毫秒)，當前時間+有效時間=過時時間 69 * @return jwt令牌 70 */ 71 public static String createJwt(Map<String, Object> claims, long ttlMillis) { 72 // 生成JWT的時間，即簽發時間 73 long nowMillis = System.currentTimeMillis(); 74 75 // 下面就是在爲payload添加各類標準聲明和私有聲明瞭 76 // 這裏其實就是new一個JwtBuilder，設置jwt的body 77 JwtBuilder builder = Jwts.builder() 78 // 若是有私有聲明，必定要先設置這個本身建立的私有的聲明，這個是給builder的claim賦值，一旦寫在標準的聲明賦值以後，就是覆蓋了那些標準的聲明的 79 .setClaims(claims) 80 // 設置jti(JWT ID)：是JWT的惟一標識，根據業務須要，這個能夠設置爲一個不重複的值，主要用來做爲一次性token,從而回避重放攻擊。 81 // 能夠在未登錄前做爲身份標識使用 82 .setId(UUID.randomUUID().toString().replace("-", "")) 83 // iss(Issuser)簽發者，寫死 84 // .setIssuer("zking") 85 // iat: jwt的簽發時間 86 .setIssuedAt(new Date(nowMillis)) 87 // 表明這個JWT的主體，即它的全部人，這個是一個json格式的字符串，可放數據{"uid":"zs"}。此處沒放 88 // .setSubject("{}") 89 // 設置簽名使用的簽名算法和簽名使用的祕鑰 90 .signWith(SIGNATURE_ALGORITHM, JWT_KEY) 91 // 設置JWT的過時時間 92 .setExpiration(new Date(nowMillis + ttlMillis)); 93 94 return builder.compact(); 95 } 96 97 /** 98 * 複製jwt，並從新設置簽發時間(爲當前時間)和失效時間 99 * 100 * @param jwt 101 * 被複制的jwt令牌 102 * @param ttlMillis 103 * jwt的有效時間(單位毫秒)，當前時間+有效時間=過時時間 104 * @return 105 */ 106 public static String copyJwt(String jwt, Long ttlMillis) { 107 Claims claims = parseJwt(jwt); 108 109 // 生成JWT的時間，即簽發時間 110 long nowMillis = System.currentTimeMillis(); 111 112 // 下面就是在爲payload添加各類標準聲明和私有聲明瞭 113 // 這裏其實就是new一個JwtBuilder，設置jwt的body 114 JwtBuilder builder = Jwts.builder() 115 // 若是有私有聲明，必定要先設置這個本身建立的私有的聲明，這個是給builder的claim賦值，一旦寫在標準的聲明賦值以後，就是覆蓋了那些標準的聲明的 116 .setClaims(claims) 117 // 設置jti(JWT ID)：是JWT的惟一標識，根據業務須要，這個能夠設置爲一個不重複的值，主要用來做爲一次性token,從而回避重放攻擊。 118 // 能夠在未登錄前做爲身份標識使用 119 //.setId(UUID.randomUUID().toString().replace("-", "")) 120 // iss(Issuser)簽發者，寫死 121 // .setIssuer("zking") 122 // iat: jwt的簽發時間 123 .setIssuedAt(new Date(nowMillis)) 124 // 表明這個JWT的主體，即它的全部人，這個是一個json格式的字符串，可放數據{"uid":"zs"}。此處沒放 125 // .setSubject("{}") 126 // 設置簽名使用的簽名算法和簽名使用的祕鑰 127 .signWith(SIGNATURE_ALGORITHM, JWT_KEY) 128 // 設置JWT的過時時間 129 .setExpiration(new Date(nowMillis + ttlMillis)); 130 return builder.compact(); 131 } 132 133 public static Claims validateJwtToken(String jwt) { 134 Claims claims = null; 135 try { 136 if (null != jwt) { 137 claims = JwtUtils.parseJwt(jwt); 138 } 139 } catch (Exception e) { 140 e.printStackTrace(); 141 } 142 return claims; 143 } 144 }
VerifyCodeUtil
1 package com.yuan.util; 2 3 import java.util.Random; 4 5 public class VerifyCodeUtil { 6 7 8 /**生成N位數字和字母混合的驗證碼 9 * @param num 驗證碼位數 10 * @return code 生成的驗證碼字符串*/ 11 public static String produceNumAndChar(int num){ 12 Random random = new Random(); 13 String code = ""; 14 String ch = "ABCDEFGHIJKLMNPQRSTUVWXYZ"; 15 String n = "123456789"; 16 for(int i=0;i<num;i++){ 17 int flag = random.nextInt(2); 18 if(flag==0){//數字 19 code+=n.charAt(random.nextInt(n.length())); 20 }else{//字母 21 code+=ch.charAt(random.nextInt(ch.length())); 22 } 23 } 24 return code; 25 } 26 }
實體類User
1 package com.yuan.model; 2 3 public class User { 4 private String uname; 5 6 private String pwd; 7 8 public User(String uname, String pwd) { 9 this.uname = uname; 10 this.pwd = pwd; 11 } 12 13 public User() { 14 super(); 15 } 16 17 public String getUname() { 18 return uname; 19 } 20 21 public void setUname(String uname) { 22 this.uname = uname; 23 } 24 25 public String getPwd() { 26 return pwd; 27 } 28 29 public void setPwd(String pwd) { 30 this.pwd = pwd; 31 } 32 }
UserMapper.xml
1 <?xml version="1.0" encoding="UTF-8"?> 2 <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd"> 3 <mapper namespace="com.yuan.mapper.UserMapper"> 4 5 <select id="login" parameterType="java.lang.String" > 6 select 7 * 8 from t_vue_user 9 where uname = #{uname,jdbcType=VARCHAR} 10 </select> 11 12 </mapper>
UserMapper
1 package com.yuan.mapper; 2 3 import com.yuan.model.User; 4 import org.springframework.stereotype.Repository; 5 6 @Repository 7 public interface UserMapper { 8 User login(User user); 9 }
UserService
package com.yuan.service; import com.yuan.model.User; public interface UserService { public User login(User user); }
UserServiceImpl
1 package com.yuan.service.impl; 2 3 import com.yuan.mapper.UserMapper; 4 import com.yuan.model.User; 5 import com.yuan.service.UserService; 6 import org.springframework.beans.factory.annotation.Autowired; 7 import org.springframework.stereotype.Service; 8 9 @Service 10 public class UserServiceImpl implements UserService { 11 12 13 @Autowired 14 private UserMapper userMapper; 15 16 17 @Override 18 public User login(User user) { 19 return userMapper.login(user); 20 } 21 }
UserController
1 package com.yuan.controller; 2 3 import com.yuan.model.User; 4 import com.yuan.service.UserService; 5 import com.yuan.util.ImageUtil; 6 import com.yuan.util.JSONResult; 7 import com.yuan.util.JwtUtils; 8 import com.yuan.util.VerifyCodeUtil; 9 import io.jsonwebtoken.Claims; 10 import org.springframework.beans.factory.annotation.Autowired; 11 import org.springframework.data.redis.core.RedisTemplate; 12 import org.springframework.stereotype.Controller; 13 import org.springframework.util.StringUtils; 14 import org.springframework.web.bind.annotation.RequestMapping; 15 import org.springframework.web.bind.annotation.ResponseBody; 16 17 import javax.servlet.http.HttpServletRequest; 18 import javax.servlet.http.HttpServletResponse; 19 import java.io.IOException; 20 import java.util.HashMap; 21 import java.util.Map; 22 import java.util.concurrent.TimeUnit; 23 24 @Controller 25 @RequestMapping("/vue/user") 26 public class UserController { 27 private static final String VERIFICATION_CODE = "verificationCode_"; 28 29 @Autowired 30 private UserService userService; 31 32 @Autowired 33 private RedisTemplate redisTemplate; 34 35 @RequestMapping("/login") 36 @ResponseBody 37 public JSONResult login(User u, HttpServletRequest request, HttpServletResponse response){ 38 //獲取用戶輸入的驗證碼 39 String userVerificationCode = request.getParameter("verificationCode"); 40 //獲取驗證碼jwt令牌 41 String userJwt = request.getHeader(JwtUtils.JWT_VERIFICATION_KEY); 42 //獲取到保存在redis中的驗證碼 43 Object redisVerificationCode = redisTemplate.opsForValue().get(VERIFICATION_CODE + userJwt) ; 44 45 // 這裏存在兩種狀況：一、令牌超時 二、驗證碼超時 46 if(StringUtils.isEmpty(redisVerificationCode)){ 47 return JSONResult.errorMsg("你的驗證碼已超時"); 48 } 49 50 if(!redisVerificationCode.toString().equalsIgnoreCase(userVerificationCode)){ 51 return JSONResult.errorMsg("驗證碼錯誤"); 52 } 53 54 User user = userService.login(u); 55 //判斷是否登陸成功 56 if(user != null){ 57 Map<String,Object> map=new HashMap<String, Object>(); 58 map.put("User", user); 59 //這是頒發用戶登陸成功的jwt令牌 60 String jwt= JwtUtils.createJwt(map, JwtUtils.JWT_WEB_TTL); 61 response.setHeader(JwtUtils.JWT_HEADER_KEY, jwt); 62 return JSONResult.ok(user); 63 }else { 64 return JSONResult.errorMsg("密碼或帳戶錯誤"); 65 } 66 67 } 68 69 70 71 72 /**生成圖片驗證碼*/ 73 @RequestMapping("/verificationCode") 74 @ResponseBody 75 public String verificationCode(HttpServletRequest req, HttpServletResponse resp) throws IOException { 76 //生成驗證碼隨機數 77 String word = VerifyCodeUtil.produceNumAndChar(4); 78 // 獲取用戶的jwt令牌 79 String userVerificationJwt = req.getHeader(JwtUtils.JWT_VERIFICATION_KEY); 80 //驗證碼令牌 81 Claims claims = JwtUtils.validateJwtToken(userVerificationJwt); 82 if(claims == null){ 83 //若是用戶令牌過時那麼對應存放在redis中的數據也要清空 84 if(!StringUtils.isEmpty(userVerificationJwt)){ 85 redisTemplate.expire(VERIFICATION_CODE + userVerificationJwt, 1, TimeUnit.DAYS); 86 } 87 userVerificationJwt = JwtUtils.createJwt(new HashMap<String, Object>() ,JwtUtils.JWT_WEB_TTL); 88 //將jwt令牌放入 response head中 89 resp.setHeader(JwtUtils.JWT_VERIFICATION_KEY, userVerificationJwt); 90 } 91 //刷新緩存，更新驗證碼 92 redisTemplate.opsForValue().set(VERIFICATION_CODE + userVerificationJwt , word,60, TimeUnit.SECONDS); 93 //生成圖片 94 String code = "data:image/png;base64," + ImageUtil.createImageWithVerifyCode(word, 116,40);; 95 return code; 96 } 97 }
web.xml
1 <web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee" 2 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 3 xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" 4 version="3.1"> 5 <display-name>Archetype Created Web Application</display-name> 6 7 <welcome-file-list> 8 <welcome-file>login.jsp</welcome-file> 9 </welcome-file-list> 10 11 <context-param> 12 <param-name>contextConfigLocation</param-name> 13 <param-value>classpath:applicationContext.xml</param-value> 14 </context-param> 15 <!-- 讀取Spring上下文的監聽器 --> 16 <listener> 17 <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> 18 </listener> 19 <!-- Spring和web項目集成end --> 20 21 <!-- 防止Spring內存溢出監聽器 --> 22 <listener> 23 <listener-class>org.springframework.web.util.IntrospectorCleanupListener</listener-class> 24 </listener> 25 26 <!-- 中文亂碼處理 --> 27 <filter> 28 <filter-name>encodingFilter</filter-name> 29 <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class> 30 <!--web.xml 3.0的新特性，是否支持異步--> 31 <async-supported>true</async-supported> 32 <init-param> 33 <param-name>encoding</param-name> 34 <param-value>UTF-8</param-value> 35 </init-param> 36 </filter> 37 <filter-mapping> 38 <filter-name>encodingFilter</filter-name> 39 <url-pattern>/*</url-pattern> 40 </filter-mapping> 41 <!-- 解決cors跨域問題過濾器 --> 42 <filter> 43 <filter-name>corsFilter</filter-name> 44 <filter-class>com.yuan.util.CorsFilter</filter-class> 45 </filter> 46 <filter-mapping> 47 <filter-name>corsFilter</filter-name> 48 <url-pattern>/*</url-pattern> 49 </filter-mapping> 50 51 <!-- Spring MVC servlet --> 52 <servlet> 53 <servlet-name>SpringMVC</servlet-name> 54 <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> 55 <!--此參數能夠不配置，默認值爲：/WEB-INF/springmvc-servlet.xml--> 56 <init-param> 57 <param-name>contextConfigLocation</param-name> 58 <param-value>/WEB-INF/springmvc-servlet.xml</param-value> 59 </init-param> 60 <load-on-startup>1</load-on-startup> 61 <!--web.xml 3.0的新特性，是否支持異步--> 62 <async-supported>true</async-supported> 63 </servlet> 64 <servlet-mapping> 65 <servlet-name>SpringMVC</servlet-name> 66 <url-pattern>/</url-pattern> 67 </servlet-mapping> 68 69 </web-app>
最後看一下運行結果
謝謝觀看！！！
相關文章
- 1. jwt身份驗證
- 2. SpringBoot整合JWT做身份驗證
- 3. 基於Token的身份驗證——JWT
- 4. WebApi_基於Token的身份驗證——JWT
- 5. 通達OA繞過身份驗證+任意文件上傳RCE
- 6. SpringBoot 使用jwt進行身份驗證
- 7. 身份驗證
- 8. 身份證識別，身份證覈驗
- 9. 身份證驗證
- 10. Jwt建立身份驗證 Web API測試驗證
- 更多相關文章...
- • PHP 文件上傳 - PHP教程
- • XML 驗證 - XML 教程
- • Docker容器實戰(七) - 容器眼光下的文件系統
- • Flink 數據傳輸及反壓詳解
相關標籤/搜索
每日一句
-
每一个你不满意的现在，都有一个你没有努力的曾经。
歡迎關注本站公眾號,獲取更多信息
相關文章
- 1. jwt身份驗證
- 2. SpringBoot整合JWT做身份驗證
- 3. 基於Token的身份驗證——JWT
- 4. WebApi_基於Token的身份驗證——JWT
- 5. 通達OA繞過身份驗證+任意文件上傳RCE
- 6. SpringBoot 使用jwt進行身份驗證
- 7. 身份驗證
- 8. 身份證識別，身份證覈驗
- 9. 身份證驗證
- 10. Jwt建立身份驗證 Web API測試驗證