Element實(shí)現(xiàn)登錄+注冊的示例代碼
一、定義
ElementUI是一套基于Vue.js的桌面端組件庫,提供了豐富的UI組件和交互功能,旨在幫助開發(fā)者快速構(gòu)建現(xiàn)代化的Web應(yīng)用程序。它具有以下作用:
提供豐富的UI組件:ElementUI包含了各種常用的UI組件,例如按鈕、表單、表格、對話框、菜單等等。這些組件都經(jīng)過精心設(shè)計(jì)和開發(fā),可以直接在項(xiàng)目中使用,無需從頭編寫和樣式。
提高開發(fā)效率:ElementUI提供了一致的設(shè)計(jì)語言和交互模式,使得開發(fā)者可以快速搭建用戶界面。通過組件的封裝和預(yù)設(shè)的樣式,開發(fā)者能夠更加專注于業(yè)務(wù)邏輯的實(shí)現(xiàn),提高開發(fā)效率。
響應(yīng)式設(shè)計(jì):ElementUI的組件都經(jīng)過響應(yīng)式的設(shè)計(jì),能夠自動(dòng)適應(yīng)不同屏幕大小和設(shè)備類型。這意味著你可以在不同的終端上(如PC、平板、手機(jī))保持一致的用戶體驗(yàn),無需額外的適配工作。
可定制性:ElementUI允許開發(fā)者根據(jù)自己的需要進(jìn)行定制和擴(kuò)展。你可以根據(jù)項(xiàng)目的風(fēng)格和要求,修改組件的樣式、主題色等,以滿足特定的設(shè)計(jì)需求。
總之,ElementUI是一個(gè)功能強(qiáng)大、易于使用和高度可定制的Vue.js組件庫,為開發(fā)者提供了構(gòu)建現(xiàn)代化Web應(yīng)用程序的工具和資源。它能夠加速開發(fā)過程,提升用戶體驗(yàn),并且適應(yīng)不同的設(shè)備和屏幕尺寸。
1.1 完成用戶注冊登錄界面搭建
1.1.1 下載js依賴
npm install element-ui -S
1.1.2 創(chuàng)建用戶登錄注冊組件
編寫用戶登錄和注冊的Vue組件
<template> <div class="login-wrap"> <el-form class="login-container"> <h1 class="title">用戶登錄</h1> <el-form-item label=""> <el-input type="text" v-model="username" placeholder="登錄賬號(hào)" autocomplete="off"></el-input> </el-form-item> <el-form-item label=""> <el-input type="password" v-model="password" placeholder="登錄密碼" 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">忘記密碼</el-link> <el-link type="primary" @click="gotoRegister()">用戶注冊</el-link> </el-row> </el-form> </div> </template> <script> export default { name: 'Login', data () { return { username: '', passwprd: '' } } ,methods:{ gotoRegister(){ this.$router.push('/register'); } } } </script> <style scoped> .login-wrap { box-sizing: border-box; width: 100%; height: 100%; padding-top: 10%; background-image: url(data:image/svg+xml;base64,<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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</svg>); background-repeat: no-repeat; background-position: center right; background-size: 100%; } .login-container { border-radius: 10px; margin: 0px auto; width: 350px; padding: 30px 35px 15px 35px; background: #fff; border: 1px solid #eaeaea; text-align: left; box-shadow: 0 0 20px 2px rgba(0, 0, 0, 0.1); } .title { margin: 0px auto 40px auto; text-align: center; color: #505458; } </style>
1.1.3 配置路由
import Vue from 'vue' import Router from 'vue-router' import HelloWorld from '@/components/HelloWorld' import login from '@/views/login' import register from '@/views/register' Vue.use(Router) export default new Router({ routes: [ { path: '/', name: 'login', component: login }, { path: '/register', name: 'register', component: register }, ] })
二、數(shù)據(jù)交互
2.1 數(shù)據(jù)導(dǎo)入
介紹數(shù)據(jù)導(dǎo)入的概念和步驟
<template> <div class="login-wrap"> <el-form class="login-container"> <h1 class="title">用戶注冊</h1> <el-form-item label=""> <el-input type="text" v-model="username" placeholder="注冊賬號(hào)" autocomplete="off"></el-input> </el-form-item> <el-form-item label=""> <el-input type="password" v-model="password" placeholder="注冊密碼" autocomplete="off"></el-input> </el-form-item> <el-form-item> <el-button type="primary" style="width:100%;" @click="doSubmit()">提交</el-button> </el-form-item> <el-row style="text-align: center;margin-top:-10px"> <el-link type="primary">忘記密碼</el-link> <el-link type="primary" @click="gotoLogin()">用戶登錄</el-link> </el-row> </el-form> </div> </template> <script> export default { name: 'Login', data () { return { username: '', passwprd: '' } } ,methods:{ gotoLogin(){ this.$router.push('/'); } } } </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-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>
導(dǎo)入ssm項(xiàng)目充當(dāng)后臺(tái)
2.2 安裝引用相關(guān)模塊
2.2.1 安裝相關(guān)模塊
下載并安裝axios、vue-router等必要的模塊
npm i axios -S npm i vue-axios -S npm i qs -S
2.2.2 引用相關(guān)模塊
在Vue項(xiàng)目中引入所需的模塊安裝好后即進(jìn)行模塊引用,安裝后就在項(xiàng)目中進(jìn)行引用,添加axios的全局配置,創(chuàng)建一個(gè)actio.js,如下:
解釋:action.js(針對后臺(tái)請求接口的封裝定義)
對后臺(tái)請求的地址的封裝,URL格式如下: 模塊名_實(shí)體名_操作
export default { 'SERVER': 'http://localhost:8080/', //服務(wù)器 'SYSTEM_USER_DOLOGIN': 'user/userLogin', //登陸 'SYSTEM_USER_DOREG': 'userAction.action', //注冊 'getFullPath': k => { //獲得請求的完整地址,用于mockjs測試時(shí)使用 return this.SERVER + this[k]; } }
創(chuàng)建http.js,用于vue項(xiàng)目對axios的全局配置,如下:
解釋:http.js(針對axios的全局配置)
/** * vue項(xiàng)目對axios的全局配置 */ import axios from 'axios' import qs from 'qs' //引入action模塊,并添加至axios的類屬性u(píng)rls上 import action from '@/api/action' axios.urls = action // axios默認(rèn)配置 axios.defaults.timeout = 10000; // 超時(shí)時(shí)間 // axios.defaults.baseURL = 'http://localhost:8080/j2ee15'; // 默認(rèn)地址 axios.defaults.baseURL = action.SERVER; //整理數(shù)據(jù) // 只適用于 POST,PUT,PATCH,transformRequest` 允許在向服務(wù)器發(fā)送前,修改請求數(shù)據(jù) axios.defaults.transformRequest = function(data) { data = qs.stringify(data); return data; }; // 請求攔截器 axios.interceptors.request.use(function(config) { return config; }, function(error) { return Promise.reject(error); }); // 響應(yīng)攔截器 axios.interceptors.response.use(function(response) { return response; }, function(error) { return Promise.reject(error); }); // // 路由請求攔截 // // http request 攔截器 // axios.interceptors.request.use( // config => { // //config.data = JSON.stringify(config.data); // //config.headers['Content-Type'] = 'application/json;charset=UTF-8'; // //config.headers['Token'] = 'abcxyz'; // //判斷是否存在ticket,如果存在的話,則每個(gè)http header都加上ticket // // if (cookie.get("token")) { // // //用戶每次操作,都將cookie設(shè)置成2小時(shí) // // 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); // }); // // 路由響應(yīng)攔截 // // http response 攔截器 // axios.interceptors.response.use( // response => { // if (response.data.resultCode == "404") { // console.log("response.data.resultCode是404") // // 返回 錯(cuò)誤代碼-1 清除ticket信息并跳轉(zhuǎn)到登錄頁面 // // cookie.del("ticket") // // window.location. // return // } else { // return response; // } // }, // error => { // return Promise.reject(error.response) // 返回接口返回的錯(cuò)誤信息 // }); export default axios;
最后在前端的項(xiàng)目中main.js文件中引入vue-axios 模塊,如下:
import axios from '@/api/http' import VueAxios from 'vue-axios' Vue.use(VueAxios,axios)
2.3 axios之get請求
使用axios發(fā)送GET請求獲取數(shù)據(jù)
<template> <div class="login-wrap"> <el-form class="login-container"> <h1 class="title">用戶登錄</h1> <el-form-item label=""> <el-input type="text" v-model="username" placeholder="登錄賬號(hào)" autocomplete="off"></el-input> </el-form-item> <el-form-item la-0bel=""> <el-input type="password" v-model="password" placeholder="登錄密碼" 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">忘記密碼</el-link> <el-link type="primary" @click="gotoRegister()">用戶注冊</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.$router.push('/register'); }, doSubmit(){ let url=this.axios.urls.SYSTEM_USER_DOLOGIN; let params={ username:this.username, password:this.password } axios.get(url,{params:params}).then(r=>{ console.log(r); if (r.data.success) { this.$message({ message:r.data.msg, type: 'success' }); }else{ this.$message.error(r.data.msg); } } ).catch(e=>{ }) } } } </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>
后端代碼
package com.zking.ssm.controller; import com.zking.ssm.model.User; import com.zking.ssm.service.IUserService; import com.zking.ssm.util.JsonResponseBody; import com.zking.ssm.util.PageBean; import com.zking.ssm.vo.UserVo; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.ResponseBody; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.util.HashMap; import java.util.List; import java.util.Map; import com.zking.ssm.jwt.*; @Controller @RequestMapping("/user") public class UserController { @Autowired private IUserService userService; @RequestMapping("/userLogin") @ResponseBody public JsonResponseBody<?> userLogin(UserVo userVo, HttpServletResponse response){ if(userVo.getUsername().equals("admin")&&userVo.getPassword().equals("123")){ //私有要求claim // Map<String,Object> json=new HashMap<String,Object>(); // json.put("username", userVo.getUsername()); //生成JWT,并設(shè)置到response響應(yīng)頭中 // String jwt=JwtUtils.createJwt(json, JwtUtils.JWT_WEB_TTL); // response.setHeader(JwtUtils.JWT_HEADER_KEY, jwt); return new JsonResponseBody<>("用戶登陸成功!",true,0,null); }else{ return new JsonResponseBody<>("用戶名或密碼錯(cuò)誤!",false,0,null); } } @RequestMapping("/userRegister") @ResponseBody public JsonResponseBody<?> Register(User user, HttpServletResponse response) { if (user.getUsername() != null && user.getPassword() != null && user != null) { int n = userService.insertSelective(user); if (n > 0) { return new JsonResponseBody<>("注冊成功!", true, 0, null); } } return new JsonResponseBody<>("用戶名或密碼錯(cuò)誤!", false, 0, null); } @RequestMapping("/queryUserPager") @ResponseBody public JsonResponseBody<List<Map<String,Object>>> queryUserPager(UserVo userVo, HttpServletRequest request){ try { PageBean pageBean=new PageBean(); pageBean.setRequest(request); List<Map<String, Object>> users = userService.queryUserPager(userVo, pageBean); return new JsonResponseBody<>("OK",true,pageBean.getTotal(),users); } catch (Exception e) { e.printStackTrace(); return new JsonResponseBody<>("分頁查詢用戶信息失敗!",false,0,null); } } }
2.4 axios之post請求
使用axios發(fā)送POST請求提交數(shù)據(jù)
<template> <div class="login-wrap"> <el-form class="login-container"> <h1 class="title">用戶登錄</h1> <el-form-item label=""> <el-input type="text" v-model="username" placeholder="登錄賬號(hào)" autocomplete="off"></el-input> </el-form-item> <el-form-item la-0bel=""> <el-input type="password" v-model="password" placeholder="登錄密碼" 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">忘記密碼</el-link> <el-link type="primary" @click="gotoRegister()">用戶注冊</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 } // 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=>{ // }) 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=>{ }) } } } </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>
三、注冊
簡單介紹用戶注冊的功能和實(shí)現(xiàn)方
<template> <div class="register-container"> <div class="register-card"> <h2 class="register-title">注冊</h2> <form @submit.prevent="register" class="register-form"> <div class="form-group"> <label for="username" class="register-label">用戶名:</label> <input type="text" id="username" v-model="username" required class="register-input"> </div> <div class="form-group"> <label for="password" class="register-label">密碼:</label> <input type="password" id="paassword" v-model="password" required class="register-input"> </div> <div class="form-group"> <label for="password" class="register-label">編號(hào):</label> <input type="password" id="id" v-model="id" required class="register-input"> </div> <button type="submit" class="register-button">注冊</button> </form> <div class="login-link"> <span>已有賬號(hào)?</span> <el-link type="primary" @click="gotoLogin()">用戶登錄</el-link> </div> </div> </div> </template> <style> .register-container { display: flex; flex-direction: column; align-items: center; justify-content: center; height: 100vh; background-color: #f5f5f5; box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1); } .register-card { display: flex; flex-direction: column; align-items: center; background-color: #fff; padding: 40px 60px; border-radius: 8px; box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1); } .register-title { font-size: 28px; color: #333; margin-bottom: 30px; } .register-form { display: flex; flex-direction: column; align-items: center; } .form-group { margin-bottom: 20px; } .register-label { font-size: 16px; color: #333; margin-bottom: 10px; } .register-input { padding: 10px; border: 1px solid #ccc; border-radius: 4px; width: 240px; } .register-button { padding: 12px 24px; background-color: #ff6700; color: #fff; border: none; border-radius: 4px; cursor: pointer; font-size: 16px; } .login-link { margin-top: 20px; display: flex; align-items: center; font-size: 14px; } .login-link span { color: #555; margin-right: 5px; } .login-button { color: #007bff; text-decoration: none; } .register-container { background-color: #000; } .register-card { background-color: #222; box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1); } .register-title { color: #fff; } .register-label { color: #aaa; } .register-input { border: 1px solid #aaa; } .register-button { background-color: #000; color: #fff; } .login-link span { color: #aaa; } .login-button { color: #007bff; } </style> <script> export default { data() { return { username: '', password: '', id:'' }; }, methods: { register() { let url = this.axios.urls.SYSTEM_USER_DOREG; let params = { username: this.username, password: this.password, id:this.id } console.log(url) this.axios.post(url, params).then(r => { console.log(r) if (r.data.success) { this.$message({ type: 'success', message: r.data.msg }); }else{ console.log(r) this.$message(r.data.msg) } }).catch(e => { }) }, gotoLogin(){ this.$router.push('/'); } } }; </script>
后端代碼
@RequestMapping("/useregister") @ResponseBody public JsonResponseBody<?> Register(User user, HttpServletResponse response) { if (user.getUsername() != null && user.getPassword() != null && user != null) { int n = userService.insertSelective(user); if (n > 0) { return new JsonResponseBody<>("注冊成功!", true, 0, null); } } return new JsonResponseBody<>("用戶名或密碼錯(cuò)誤!", false, 0, null); }
到此這篇關(guān)于Element實(shí)現(xiàn)登錄+注冊的示例代碼的文章就介紹到這了,更多相關(guān)Element 登錄+注冊內(nèi)容請搜索腳本之家以前的文章或繼續(xù)瀏覽下面的相關(guān)文章希望大家以后多多支持腳本之家!
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