考试系统后台管理项目介绍:
技术选型:Vue2.0+Elemenu-ui
项目功能介绍:
- 账户信息模块:菜单权限、角色权限设置、角色权限分配、账号设置、公司分组
- 考试管理模块:新增/编辑/删除考试试题、成绩查看、阅卷评分、成绩记录、成绩导出
- 题库管理模块:批量导入考题、批量删除考题、编辑录入考题、新增/编辑/删除考试分类
登录界面
- 利用cookie实现,实现记住密码功能,下次打开页面自动补全,设置有效期为7天;
- 账号、密码验证;
- 点击登录调用接口跳转后台首页
login.vue组件代码:
<template> <div class="login-wrap"> <h2 class="title" style="color:#fff">考试系统后台管理</h2> <el-form label-position="left" :model="ruleForm" :rules="rules" ref="ruleForm" label-width="0px" class="demo-ruleForm login-container"> <h3 class="title">用户登录</h3> <el-form-item prop="loginAccount"> <el-input type="text" v-model="ruleForm.loginAccount" auto-complete="off" placeholder="账号"></el-input> </el-form-item> <el-form-item prop="password"> <el-input type="password" v-model="ruleForm.password" auto-complete="off" placeholder="密码"></el-input> </el-form-item> <el-checkbox class="remember" v-model="rememberpwd">记住密码</el-checkbox> <el-form-item style="width:100%;"> <el-button type="primary" style="width:100%;" @click="submitForm('ruleForm'),loginIn('ruleForm')" :loading="logining">登录</el-button> </el-form-item> </el-form> <div class="copyright">版权********</div> </div> </template>
data定义数据:
rules定义账号密码验证规则,可自定义规则
data() { return { logining: false, rememberpwd: false, ruleForm: { loginAccount: "", password: "" }, rules: { loginAccount: [ { required: true, message: "请输入账号", trigger: "blur" } ], password: [{ required: true, message: "请输入密码", trigger: "blur" }] } }; },
methods方法:
添加点击键盘Enter的判断,点击之后触发登录,调用登录接口
// 键盘enter注册事件 loginIn(){ let keyCode = window.event.keyCode; console.log(this.$route.path,"登录path") if(keyCode == 13 && this.$route.path=="/login"){ this.$refs.ruleForm.validate(valid => { if (valid) { this.logining = true; this.loginFun(); } else { this.$message.error("请输入用户名密码!"); this.logining = false; return false; } }); }else{ return; } },
可以手动点击登录调用登录接口,也可以使用Enter键调用登录
methods: { // 获取用户名密码 getuserpwd() { // 如果缓存里面有记录,就直接获取登录 if (getCookie("user") != "" && getCookie("pwd") != "") { this.ruleForm.loginAccount = getCookie("user"); this.ruleForm.password = getCookie("pwd"); this.rememberpwd = true; } }, // 登录方法封装 async loginFun() { const res = await login(this.ruleForm); console.log(res, "res登录"); if (res.code == 200) { if (this.rememberpwd == true) { //保存帐号到cookie,有效期7天 setCookie("user", this.ruleForm.loginAccount, 7); //保存密码到cookie,有效期7天 setCookie("pwd", this.ruleForm.password, 7); } else { delCookie("user"); delCookie("pwd"); } setTimeout(() => { this.logining = false; this.$router.push("/first/first"); this.$message({ message: "登录成功", type: "success" }); }, 1000); } else { this.$message.error(res.msg); this.logining = false; return false; } }, submitForm(ruleForm) { this.$refs[ruleForm].validate(valid => { if (valid) { this.logining = true; // 调用登录接口 this.loginFun(); } else { this.$message.error("请输入用户名密码!"); this.logining = false; return false; } }); }, // 键盘enter注册事件 loginIn(){ let keyCode = window.event.keyCode; console.log(this.$route.path,"登录path") if(keyCode == 13 && this.$route.path=="/login"){ this.$refs.ruleForm.validate(valid => { if (valid) { this.logining = true; this.loginFun(); } else { this.$message.error("请输入用户名密码!"); this.logining = false; return false; } }); }else{ return; } }, },
点击记住密码方法调用:进入到页面进行读取
created() { this.getuserpwd(); },
键盘Enter事件监听:
mounted(){ window.addEventListener('keydown',this.loginIn); }, destroyed(){ window.removeEventListener('keydown',this.loginIn,false); }
登录接口引入:
import { login } from "../api/userMG";
封装的cookie方法引入:
import { setCookie, getCookie, delCookie } from "../utils/utils";
utils.js公共方法:
/** * 设置cookie **/ function setCookie(name, value, day) { let date = new Date(); date.setDate(date.getDate() + day); document.cookie = name + '=' + value + ';expires=' + date; }; /** * 获取cookie **/ function getCookie(name) { let reg = RegExp(name + '=([^;]+)'); let arr = document.cookie.match(reg); if (arr) { return arr[1]; } else { return ''; } }; /** * 删除cookie **/ function delCookie(name) { setCookie(name, null, -1); };
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