🥳🥳Welcome Huihui's Code World ! !🥳🥳
接下来看看由辉辉所写的关于Vue+ElementUI的相关操作吧
目录
🥳🥳Welcome Huihui's Code World ! !🥳🥳
一.ElementUI是什么
💡准备工作💡
1.搭建一个SPA项目
2.前后端分离准备
①确保SPA项目能够运行起来
②将api文件夹导入src目录
③下载js依赖
二.登录
①在src目录下创建views目录
②在main.js中引入element-ui模块
③建用户登录组件Login.vue
④定义组件的和路由的关系
效果预览
💡get请求&post请求的区别💡
①get请求
②post请求
三.注册
①建用户登录组件Register.vue
②定义组件的和路由的关系
③biz
④bizimpl
⑤controller
效果预览
四.跨域问题
①什么是跨域问题
②怎么产生的？
③怎么解决
一.ElementUI是什么
ElementUI是一个基于Vue.js的开源UI库，用于快速构建Web界面。它提供了丰富的组件和直观的设计，使开发者能够轻松地创建漂亮、响应式和高效的用户界面。ElementUI具有可定制性强、易于使用和维护的特点，被广泛用于企业级应用的开发中。它提供了诸如按钮、表单、表格、对话框等常见的UI组件，可以帮助开发者快速构建出现代化的网页应用程序
💡准备工作💡
1.搭建一个SPA项目
详细步骤点这
2.前后端分离准备
①确保SPA项目能够运行起来
标志: 能够返回数据
🔺导入ssm项目
②将api文件夹导入src目录
http.js是对axios的全局配置
/*** vue项目对axios的全局配置*/ import axios from 'axios' import qs from 'qs'//引入action模块，并添加至axios的类属性urls上 import action from '@/api/action' axios.urls = action// axios默认配置 axios.defaults.timeout = 10000; // 超时时间 // axios.defaults.baseURL = 'http://localhost:8080/j2ee15'; // 默认地址 axios.defaults.baseURL = action.SERVER;//整理数据 // 只适用于 POST,PUT,PATCH，transformRequest` 允许在向服务器发送前，修改请求数据 axios.defaults.transformRequest = function(data) {data = qs.stringify(data);return data; };// 请求拦截器 axios.interceptors.request.use(function(config) {return config; }, function(error) {return Promise.reject(error); });// 响应拦截器 axios.interceptors.response.use(function(response) {return response; }, function(error) {return Promise.reject(error); });// // 路由请求拦截 // // http request 拦截器 // axios.interceptors.request.use( // config => { // //config.data = JSON.stringify(config.data); // //config.headers['Content-Type'] = 'application/json;charset=UTF-8'; // //config.headers['Token'] = 'abcxyz'; // //判断是否存在ticket，如果存在的话，则每个http header都加上ticket // // if (cookie.get("token")) { // // //用户每次操作，都将cookie设置成2小时 // // cookie.set("token", cookie.get("token"), 1 / 12) // // cookie.set("name", cookie.get("name"), 1 / 12) // // config.headers.token = cookie.get("token"); // // config.headers.name = cookie.get("name"); // // } // return config; // }, // error => { // return Promise.reject(error.response); // });// // 路由响应拦截 // // http response 拦截器 // axios.interceptors.response.use( // response => { // if (response.data.resultCode == "404") { // console.log("response.data.resultCode是404") // // 返回 错误代码-1 清除ticket信息并跳转到登录页面 // // cookie.del("ticket") // // window.location.href='http://login.com' // return // } else { // return response; // } // }, // error => { // return Promise.reject(error.response) // 返回接口返回的错误信息 // });export default axios;action.js是封装后台请求的地址
/*** 对后台请求的地址的封装，URL格式如下：* 模块名_实体名_操作*/ export default {'SERVER': 'http://localhost:8080', //服务器'SYSTEM_USER_DOLOGIN': '/user/userLogin', //登陆'SYSTEM_USER_DOREG': '/user/userRegister', //注册'getFullPath': k => { //获得请求的完整地址，用于mockjs测试时使用return this.SERVER + this[k];} }（这样我们就不需要在多个组件中都重复导入需要使用的js等）
③下载js依赖
▲axios：前端向后台发送请求
npm i axios -S
▲qs：解决发送post请求代码冗余的问题
npm i qs -s
▲ElementUI：快速布局
npm install element-ui -S//使用命令npm install element-ui -S，添加Element-UI模块🔺npm install element-ui -S /-D /-G有什么区别?
npm install element-ui -S：安装ElementUI的最新版本，适用于开发人员（参与打包）npm install element-ui -d：安装ElementUI的指定版本，但不将其添加到package.json文件中，适用于开发人员（不参与打包）npm install element-ui -g：安装ElementUI的全局版本，适用于开发人员和系统管理员（全局node_global）
▲vue-axios：将axios依赖整合进vue中
npm i vue-axios -S
二.登录
①在src目录下创建views目录
该目录用于存放vue组件
②在main.js中引入element-ui模块
新添加1和新添加2一定要在import App from './App'之前
// The Vue build version to load with the `import` command // (runtime-only or standalone) has been set in webpack.base.conf with an alias. import Vue from 'vue' // 新添加1 import ElementUI from 'element-ui' // 新添加2，避免后期打包样式不同，要放在import App from './App';之前 import 'element-ui/lib/theme-chalk/index.css'import App from './App' import router from './router'// 新添加3 Vue.use(ElementUI) Vue.config.productionTip = false/* eslint-disable no-new */ new Vue({el: '#app',router,components: { App },template: '<App/>' })③建用户登录组件
Login.vue<template><div class="login-wrap"><el-form class="login-container"><h1 class="title">用户登录</h1><el-form-item label=""><el-input type="text" v-model="username" placeholder="登录账号" autocomplete="off"></el-input></el-form-item><el-form-item label=""><el-input type="password" v-model="password" placeholder="登录密码" autocomplete="off"></el-input></el-form-item><el-form-item><el-button type="primary" style="width:100%;" @click="doSubmit()">提交</el-button></el-form-item><el-row style="text-align: center;margin-top:-10px"><el-link type="primary">忘记密码</el-link><el-link type="primary" @click="gotoRegister()">用户注册</el-link></el-row></el-form></div> </template><script>// import axios from 'axios'// import qs from 'qs'export default {name: 'Login',data() {return {username: '',password: '',}},methods: {gotoRegister() {this.$router.push('/Register');},doSubmit() {let url = this.axios.urls.SYSTEM_USER_DOLOGIN;let params = {username: this.username,password: this.password};//get请求// console.log(params);/* axios.get(url, {params: params}).then(r => {console.log(r);if (r.data.success) {this.$message({message: r.data.msg,type: 'success'});}else{this.$message.error(r.data.msg);}}).catch(e => {console.log(e);}) *///post请求this.axios.post(url, params).then(r => {console.log(r);if (r.data.success) {this.$message({message: r.data.msg,type: 'success'});} else {this.$message.error(r.data.msg);}}).catch(e => {console.log(e);})}}} </script><style scoped>.login-wrap {box-sizing: border-box;width: 100%;height: 100%;padding-top: 10%;background-image: url(data:image/svg+xml;base64,<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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</svg>);/* background-color: #112346; */background-repeat: no-repeat;background-position: center right;background-size: 100%;}.login-container {border-radius: 10px;margin: 0px auto;width: 350px;padding: 30px 35px 15px 35px;background: #fff;border: 1px solid #eaeaea;text-align: left;box-shadow: 0 0 20px 2px rgba(0, 0, 0, 0.1);}.title {margin: 0px auto 40px auto;text-align: center;color: #505458;} </style>④定义组件的和路由的关系
import Vue from 'vue' import Router from 'vue-router' import HelloWorld from '@/components/HelloWorld' import Login from '@/views/Login' import Register from '@/views/Register'Vue.use(Router)export default new Router({routes: [{path: '/',name: 'Login',component: Login},{path: '/Login',name: 'Login',component: Login},{path: '/Register',name: 'Register',component: Register}] })效果预览
💡axios之get请求&post请求的区别💡
axios.get提交没有问题，axios.post提交后台接收不到数据，因为POST提交的参数的格式是Request Payload，这样后台取不到数据的
①get请求
//get请求// console.log(params);axios.get(url, {params: params}).then(r => {console.log(r);if (r.data.success) {this.$message({message: r.data.msg,type: 'success'});}else{this.$message.error(r.data.msg);}}).catch(e => {console.log(e);})
②post请求
//post请求this.axios.post(url, params).then(r => {console.log(r);if (r.data.success) {this.$message({message: r.data.msg,type: 'success'});} else {this.$message.error(r.data.msg);}}).catch(e => {console.log(e);})原本的数据
调整之后（使用qs.js库，将{a:'b',c:'d'}转换成'a=b&c=d'）
三.注册
①建用户登录组件
Register.vue<template><el-form class="login-container"><h1 class="title">用户注册</h1><el-form-item label=""><el-input type="text" v-model="username" placeholder="昵称" autocomplete="off"></el-input></el-form-item><el-form-item label=""><el-input type="password" v-model="password" placeholder="密码" autocomplete="off"></el-input></el-form-item><el-form-item label=""><el-input type="text" v-model="realname" placeholder="真实姓名" autocomplete="off"></el-input></el-form-item><el-form-item label="性别"><el-radio-group v-model="sex"><el-radio label="男"></el-radio><el-radio label="女"></el-radio></el-radio-group></el-form-item><el-form-item label="身份证号码"><el-input v-model="idcard"></el-input></el-form-item><el-form-item label="地址"><el-select v-model="address" placeholder="==请选择=="><el-option label="上海" value="shanghai"></el-option><el-option label="北京" value="beijing"></el-option></el-select></el-form-item><el-form-item label="本地住址"><el-input v-model="nativeplace"></el-input></el-form-item><el-form-item><el-button type="primary" style="width:100%;" @click="doSubmit()">提交</el-button></el-form-item><el-row style="text-align: center;margin-top:-10px"><el-link type="primary">忘记密码</el-link><el-link type="primary" @click="gotoLogin()">用户登录</el-link></el-row></el-form></div> </template><script>// import axios from 'axios'// import qs from 'qs'export default {name: 'Register' ,data() {return {username: '',password: '',realname:'',sex:'',idcard:'',address:'',nativeplace:''}},methods: {gotoLogin() {this.$router.push('/Login');},doSubmit() {let url = this.axios.urls.SYSTEM_USER_DOREG;let params = {username: this.username,password: this.password,realname:this.realname,sex:this.sex,idcard:this.idcard,address:this.address,nativeplace:this.nativeplace};//post请求this.axios.post(url, params).then(r => {console.log(r);if (r.data.success) {this.$message({message: r.data.msg,type: 'success'});} else {this.$message.error(r.data.msg);}}).catch(e => {console.log(e);})}}} </script><style scoped>.login-wrap {box-sizing: border-box;width: 100%;height: 100%;padding-top: 10%;background-image: url(data:image/svg+xml;base64,<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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</svg>);/* background-color: #112346; */background-repeat: no-repeat;background-position: center right;background-size: 100%;}.login-container {border-radius: 10px;margin: 0px auto;margin-top: 20px;margin-bottom: 20px;width: 450px;padding: 30px 35px 15px 35px;background: #fff;border: 1px solid #eaeaea;text-align: left;box-shadow: 0 0 20px 2px rgba(0, 0, 0, 0.1);}.title {margin: 0px auto 40px auto;text-align: center;color: #505458;} </style>②定义组件的和路由的关系
import Vue from 'vue' import Router from 'vue-router' import HelloWorld from '@/components/HelloWorld' import Login from '@/views/Login' import Register from '@/views/Register'Vue.use(Router)export default new Router({routes: [{path: '/',name: 'Login',component: Login},{path: '/Login',name: 'Login',component: Login},{path: '/Register',name: 'Register',component: Register}] })③biz
int insertSelective(UserVo userVo);④bizimpl
@Overridepublic int insertSelective(UserVo userVo) {return userMapper.insertSelective(userVo);}⑤controller
@RequestMapping("/userRegister")@ResponseBodypublic JsonResponseBody<?> userRegistered(UserVo userVo, HttpServletRequest request){int insertSelective = userService.insertSelective(userVo);if(insertSelective>0){return new JsonResponseBody<>("用户注册成功！",true,0,null);}else{return new JsonResponseBody<>("注册失败，请稍后！",false,0,null);}}效果预览
四.跨域问题
①什么是跨域问题
跨域问题是指在浏览器中，由于浏览器的同源策略，不同域名之间的脚本无法直接交互。这是浏览器对JavaScript施加的安全限制。
如果您需要在不同域名之间进行数据交互，可以使用JSONP或CORS等技术来解决跨域问题
②怎么产生的？
在前后端分离的项目中，跨域问题是由于浏览器的同源策略而产生的。当浏览器检测到我们试图访问不同域的地址时（域名、端口号、协议中有一个不同就算是跨域），会抛出异常。
在前后端分离项目中，前端和后端部署在不同的服务器上，即使在同一台服务器下，端口号也可能不同。因此，前端需要通过ajax请求服务端API，传输数据用json格式。由于浏览器的同源策略，这种情况下就会产生跨域问题
③怎么解决
CorsFilter2 过滤器
这段代码的作用是配置Tomcat服务器允许来自任何域名的跨域访问，并允许客户端发送包含指定请求头的请求，以及指定允许的请求方法
package com.zking.ssm.util;import java.io.IOException;import javax.servlet.Filter; import javax.servlet.FilterChain; import javax.servlet.FilterConfig; import javax.servlet.ServletException; import javax.servlet.ServletRequest; import javax.servlet.ServletResponse; import javax.servlet.http.HttpServletResponse;/*** 配置tomcat允许跨域访问* * **/ public class CorsFilter2 implements Filter {@Overridepublic void init(FilterConfig filterConfig) throws ServletException {}@Overridepublic void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain)throws IOException, ServletException {HttpServletResponse httpResponse = (HttpServletResponse) servletResponse;// Access-Control-Allow-Origin就是我们需要设置的域名// Access-Control-Allow-Headers跨域允许包含的头。// Access-Control-Allow-Methods是允许的请求方式httpResponse.setHeader("Access-Control-Allow-Origin", "*");// *,任何域名httpResponse.setHeader("Access-Control-Allow-Headers", "responseType,Origin, X-Requested-With, Content-Type, Accept");httpResponse.setHeader("Access-Control-Allow-Methods", "POST, GET, PUT, DELETE");//允许客户端处理一个新的响应头jwt//httpResponse.setHeader("Access-Control-Expose-Headers", "jwt,Content-Disposition");filterChain.doFilter(servletRequest, servletResponse);}@Overridepublic void destroy() {} }//这个过滤器，用于配置Tomcat服务器允许跨域访问。在这段代码中，过滤器实现了Filter接口，并重写了//init、doFilter和destroy方法。//init方法是过滤器的初始化方法，但在这段代码中没有进行任何操作。//doFilter方法是过滤器的核心方法，它接收三个参数：servletRequest表示客户端请求的ServletRequest对象，servletResponse表示服务器返回的ServletResponse对象，filterChain表示过滤器链中的下一个过滤器。//在doFilter方法中，首先将servletResponse强制转换为HttpServletResponse类型，然后通过调用setHeader方法设置响应头信息，以实现跨域访问的配置。具体来说，设置了以下三个响应头信息：Access-Control-Allow-Origin：指定允许访问的域名，这里设置为"*"，表示允许任何域名访问。 Access-Control-Allow-Headers：指定允许的请求头字段，包括responseType、Origin、X-Requested-With、Content-Type和Accept。 Access-Control-Allow-Methods：指定允许的请求方法，包括POST、GET、PUT和DELETE。 最后，调用filterChain.doFilter(servletRequest, servletResponse)将请求传递给下一个过滤器进行处理。//destroy方法是过滤器的销毁方法，但在这段代码中也没有进行任何操作。web.xml
<!--CrosFilter跨域过滤器--><filter><filter-name>corsFilter</filter-name><filter-class>com.zking.ssm.util.CorsFilter2</filter-class></filter><filter-mapping><filter-name>corsFilter</filter-name><url-pattern>/*</url-pattern></filter-mapping>
好啦，今天的分享就到这了，希望能够帮到你呢！😊😊
