Vue纯前端实现Cookie登录记住账户功能

<template><el-form :model="ruleForm" :rules="rules" ref="ruleForm" class="demo-ruleForm loginFrom"> <h1 style="font-size: 1.5rem;color: #fff;font-weight: bold;padding: 1rem 0;">登陆</h1> <el-form-item prop="userName">   <el-input placeholder="账号"  v-model.trim="ruleForm.userName"></el-input> </el-form-item> <el-form-item prop="password">   <el-input  type="password" v-model.trim="ruleForm.password" placeholder="密码"></el-input> </el-form-item> <div style="padding: 1rem 0 2rem 0;" class="clear">   <div class="rt">     <el-checkbox v-model="checked" style="color:#a0a0a0;">记住账户</el-checkbox>     <span @click="clearCookie" style="cursor: pointer;color: #f19149;font-size: 0.75rem;margin-left: 5px;">忘记密码？</span>   </div>  </div>  <el-button type="primary" @click="submitForm('ruleForm')" style="width: 100%;">登陆</el-button></el-form></template><script>export default {  data() {    return {      ruleForm: {        userName: "", //用户名        password: "" //密码      },      checked:true,      rules2: {        userName: [          { required: true, message: "请输入手机号", trigger: "blur" }        ],        password: [{ required: true, message: "请输入密码", trigger: "blur" }]      },    };  },  methods: {    //点击登录调用方法    submitForm(formName) {      //保存的账号      var name = this.ruleForm.userName;      //保存的密码      var pass = this.ruleForm.password;      //判断复选框是否被勾选 勾选则调用配置cookie方法      if (this.checked) {        //传入账号名，密码，和保存天数3个参数        this.setCookie(name, pass, 7);      }      //接口      // var url = "myserver/user/login";      // this.$http.post(url, this.ruleForm, { emulateJSON: true }).then(res => {      //   if (res.body == "fail") {      //     alert("用户名或密码错误,请重新输入");      //     this.ruleForm.userName = "";      //     this.ruleForm.password = "";      //     return;      //   } else {      //     // alert（"登陆成功！"）      //     this.$router.push("/index");      //   }      // });    },    //设置cookie    setCookie(c_name, c_pwd, exdays) {      var exdate = new Date(); //获取时间      exdate.setTime(exdate.getTime()   24 * 60 * 60 * 1000 * exdays); //保存的天数      //字符串拼接cookie      window.document.cookie =        "userName"   "="   c_name   ";path=/;expires="   exdate.toGMTString();      window.document.cookie =        "userPwd"   "="   c_pwd   ";path=/;expires="   exdate.toGMTString();    },    //读取cookie    getCookie: function() {      console.log(document.cookie)      if (document.cookie.length > 0) {        var arr = document.cookie.split("; "); //这里显示的格式需要切割一下自己可输出看下        for (var i = 0; i < arr.length; i  ) {          var arr2 = arr[i].split("="); //再次切割          //判断查找相对应的值          if (arr2[0] == "userName") {            this.ruleForm.userName = arr2[1]; //保存到保存数据的地方          } else if (arr2[0] == "userPwd") {            this.ruleForm.password = arr2[1];          }        }      }    },    //清除cookie    clearCookie: function() {      this.setCookie("", "", -1); //修改2值都为空，天数为负1天就好了    }  },  //页面加载调用获取cookie值  mounted() {    this.getCookie();  }};</script>

来源：http://www.icode9.com/content-4-237401.html