登录界面，Login.vue

<template>
  <div class="login_container">
    <div class="login_box">
      <!--表单提交区域-->
      <el-form :rules="loginFormRules" ref="loginFormRef" label-width="0px" class="login_form" :model="loginForm">
        <!--用户名-->
        <el-form-item prop="username">
          <el-input v-model="loginForm.username" prefix-icon="iconfont icon-user" placeholder="请输入账号" clearable></el-input>
        </el-form-item>
        <!--密码-->
        <el-form-item prop="password">
          <el-input type="password" v-model="loginForm.password" prefix-icon="iconfont icon-3702mima" placeholder="请输入密码" show-password clearable></el-input>
        </el-form-item>
        <!--按钮区-->
        <el-form-item class="btns">
          <el-checkbox class="remember" v-model="keepPassword">记住密码</el-checkbox>
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="primary" @click="register">注册</el-button>
          <el-button type="info" @click="resetLoginForm">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>
<script>
export default {
  data() {
    return {
      keepPassword: false, // 记住密码
      loginForm: {
        // 登录的表单数据的绑定对象
        username: 'admin',
        password: '123456'
      },
      loginFormRules: {
        // 验证用户名是否合法
        username: [
          { required: true, message: '请输入登录名称', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ],
        // 验证密码是否合法
        password: [
          { required: true, message: '请输入登录密码', trigger: 'blur' },
          { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
        ]
      }
    }
  },
  created() {
    sessionStorage.clear()
  },
  mounted() {
    // 读取cookie
    this.getCookie()
  },
  methods: {
    // 记住密码保存数据
    setCookie(name, 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' + '=' + name + ';path=/;expires=' + exdate.toGMTString()
      window.document.cookie = 'userPwd' + '=' + pwd + ';path=/;expires=' + exdate.toGMTString()
    },
    // 读取cookie
    getCookie() {
      if (document.cookie.length > 0) {
        this.keepPassword = true
        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.loginForm.username = arr2[1] // 保存到保存数据的地方
          } else if (arr2[0] === 'userPwd') {
            this.loginForm.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
    },
    // 多层嵌套无法输入解决方法
    change(e) {
      this.$forceUpdate()
    },
    resetLoginForm() { // 点击重置按钮,重置登录表单
      console.log(this)
      this.$refs.loginFormRef.resetFields()
    },
    login() { // 点击登录按钮，跳转到Home.vue
      this.$refs.loginFormRef.validate(async valid => { // 验证登录数据
        if (!valid) { // 根据登录结果判断是否发起登录请求
          return (this.loginLoading = false)
        }
        const { data: res } = await this.$http.post('login', this.loginForm)
        if (res.meta.status !== 200) {
          this.loginLoading = false
          return this.$message.error('登录失败 帐号或密码错误!')
        }
        this.$message.success('登录成功!')
        window.sessionStorage.setItem('token', res.data.token)
        this.$router.push('/home') // 跳转到home.vue
        this.loginLoading = false
      })
    },
    register() { // 跳转到注册界面
      this.$router.push('/register')
    }
  }
}
</script>
<style lang="less" scoped>
.login_container {
  height: 100%;
  background-color: #2e4e6e;
}
.login_box {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  .login_form {
    box-sizing: border-box;
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 0 20px;
  }
  .btns {
    display: flex;
    justify-content: flex-end;
  }
}
</style>

注册界面，Register.vue

<template>
  <div class="box">
    <div class="zhuce">
      <el-form :model="ruleForm" :rules="rules" ref="ruleForm" label-width="100px" class="demo-ruleForm">
        <el-form-item label="账号名称" prop="user">
          <el-input v-model="ruleForm.user" clearable></el-input>
        </el-form-item>
        <el-form-item label="手机号码" prop="mobile">
          <el-input v-model="ruleForm.mobile" clearable></el-input>
        </el-form-item>
        <el-form-item label="电子邮箱" prop="email">
          <el-input v-model="ruleForm.email" clearable></el-input>
        </el-form-item>
        <el-form-item label="账号密码" prop="pass">
          <el-input type="password" v-model="ruleForm.pass" clearable></el-input>
        </el-form-item>
        <el-form-item label="确认密码" prop="checkPass">
          <el-input type="password" v-model="ruleForm.checkPass" clearable></el-input>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" @click="submitForm('ruleForm2')">注册</el-button>
          <el-button @click="returnForm">取消</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>
<script>
export default {
  data() {
    var checkUser = (rule, value, callback) => {
      const regUser = /^[a-zA-Z0-9_-]{3,16}$/
      if (regUser.test(value)) {
        return callback()
      }
      callback(new Error('用户名不能为空'))
    }
    var checkMobile = (rule, value, callback) => {
      const regUser = /^((0\d{2,3}-\d{7,8})|(1[34578]\d{9}))$/
      if (regUser.test(value)) {
        return callback()
      }
      callback(new Error('手机号码不能为空'))
    }
    var checkEmail = (rule, value, callback) => {
      const regUser = /^([a-zA-Z0-9]+[-_]?)+@[a-zA-Z0-9]+\.[a-z]+$/
      if (regUser.test(value)) {
        return callback()
      }
      callback(new Error('邮箱不能为空'))
    }
    var validatePass = (rule, value, callback) => {
      if (value === '') {
        callback(new Error('请输入密码'))
      } else {
        if (this.ruleForm.checkPass !== '') {
          this.$refs.ruleForm.validateField('checkPass')
        }
        callback()
      }
    }
    var validatePass2 = (rule, value, callback) => {
      if (value === '') {
        callback(new Error('请再次输入密码'))
      } else if (value !== this.ruleForm.pass) {
        callback(new Error('两次输入密码不一致!'))
      } else {
        callback()
      }
    }
    return {
      ruleForm: {
        user: '',
        mobile: '',
        email: '',
        pass: '',
        checkPass: ''
      },
      rules: {
        user: [{ validator: checkUser, trigger: 'blur' }],
        mobile: [{ validator: checkMobile, trigger: 'blur' }],
        email: [{ validator: checkEmail, trigger: 'blur' }],
        pass: [{ validator: validatePass, trigger: 'blur' }],
        checkPass: [{ validator: validatePass2, trigger: 'blur' }]
      }
    }
  },
  methods: {
    returnForm() {
      // 返回login界面
      this.$router.push('/login')
    },
    submitForm() {
      console.log(this.item)
      var data = this.item
      this.$http.post('/api/employee/login', data, { emulateJSON: false }).then(
        (response) => {
          console.log(response.body)
          this.grouplist = response.body
          alert('注册成功！')
          this.$router.push('/login')
        },
        (response) => {
          console.log(response)
          alert('出问题啦！！！')
        }
      )
    }
  }
}
</script>
<style lang="scss" scoped>
.box {
  height: 100%;
  background-color: #2e4e6e;
}
.zhuce {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 450px;
  height: 450px;
  background-color: #fff;
  border-radius: 3px;
}
.el-form-item {
  margin-top: 30px;
  width: 400px;
}
</style>