vue+element ui登录界面

<template>
  <div class="loginbody">
    <div class="logindata">
      <div class="logintext">
        <h2>Welcome</h2>
      </div>
      <div class="formdata">
        <el-form ref="form" :model="form" :rules="rules">
          <el-form-item prop="username">
            <el-input
              v-model="form.username"
              clearable
              placeholder="请输入账号"
            ></el-input>
          </el-form-item>
          <el-form-item prop="password">
            <el-input
              v-model="form.password"
              clearable
              placeholder="请输入密码"
              show-password
            ></el-input>
          </el-form-item>
        </el-form>
      </div>
      <div class="tool">
        <div>
          <el-checkbox v-model="checked" @change="remenber"
            >记住密码</el-checkbox
          >
        </div>
        <div>
          <span class="shou" @click="forgetpas">忘记密码？</span>
        </div>
      </div>
      <div class="butt">
        <el-button type="primary" @click.native.prevent="login('form')"
          >登录</el-button
        >
        <el-button class="shou" @click="register">注册</el-button>
      </div>
    </div>
  </div>
</template>

<script>
import { login } from "@/api/login";
import { setToken } from "@/request/auth";

export default {
  name: "login",
  data() {
    return {
      form: {
        password: "",
        username: "",
      },
      checked: false,
      rules: {
        username: [
          { required: true, message: "请输入用户名", trigger: "blur" },
          { max: 10, message: "不能大于10个字符", trigger: "blur" },
        ],
        password: [
          { required: true, message: "请输入密码", trigger: "blur" },
          { max: 10, message: "不能大于10个字符", trigger: "blur" },
        ],
      },
    };
  },
  mounted() {
      if(localStorage.getItem("news")){
        this.form=JSON.parse(localStorage.getItem("news"))
        this.checked=true
      }
  },
  methods: {
    login(form) {
      this.$refs[form].validate((valid) => {
        if (valid) {
          login(this.form)
            .then((res) => {
              if (res.code === 200) {
                setToken(res.data.token);
                localStorage.setItem("USERNAME", res.data.username);
                this.$message({
                  message: "登录成功啦",
                  type: "success",
                  showClose: true,
                });
                this.$router.replace("/");
              } else {
                this.$message({
                  message: "账户名或密码错误",
                  type: "error",
                  showClose: true,
                });
              }
            })
            .catch((err) => {
              this.$message({
                message: "账户名或密码错误",
                type: "error",
                showClose: true,
              });
            });
        } else {
          return false;
        }
      });
    },
    remenber(data){
      this.checked=data
      if(this.checked){
          localStorage.setItem("news",JSON.stringify(this.form))
      }else{
        localStorage.removeItem("news")
      }
    },
    forgetpas() {
      this.$message({
        type:"info",
        message:"功能尚未开发额