第五篇 - 搭建一个Vue项目

// The Vue build version to load with the `import` command
// (runtime-only or standalone) has been set in webpack.base.conf with an alias.
import Vue from 'vue'
import ElementUI from 'element-ui'
import 'element-ui/lib/theme-chalk/index.css'
import App from './App'
import router from './router'
import './assets/css/global.css'

Vue.use(ElementUI)
Vue.config.productionTip = false

/* eslint-disable no-new */
new Vue({
  el: '#app',
  router,
  components: { App },
  template: '<App/>'
})

/* eslint-disable */
<template>
  <div class="login_container">
    <div class="login_box">
      <div class="wai">
        <!-- 头像区域 -->
        <div class="avatar_box">
          <img src="../assets/head.png" alt="" />
        </div>
        <!-- 登录表单区域 -->
        <el-form
          ref="loginFormRef"
          :model="loginForm"
          :rules="loginFormRules"
          label-width="0px"
          class="login_form"
        >
          <!--        用户名-->
          <el-form-item prop="username">
            <el-input
              v-model="loginForm.username"
              prefix-icon="el-icon-user"
            ></el-input>
          </el-form-item>
          <!--        密码-->
          <el-form-item prop="password">
            <el-input
              v-model="loginForm.password"
              prefix-icon="el-icon-key"
              type="password"
            ></el-input>
          </el-form-item>
          <!--        按钮区域-->
          <el-form-item class="btns">
            <el-button type="primary" @click="Login">登录</el-button>
            <el-button type="info" @click="resetLoginForm">重置</el-button>
          </el-form-item>
        </el-form>
      </div>
    </div>
  </div>
</template>

<style lang="less" scoped>
  .login_container {
    background-color: darkcyan;
    height: 100%;
  }

  .login_box {
    width: 350px;
    height: 300px;
    background-color: white;
    border-radius: 15px;
    /*容器内居中*/
    position: absolute;
    left: 40%;
    top: 50%;
    transform: translate(-50%, -50%);

    .avatar_box {
      height: 130px;
      width: 130px;
      border: 1px solid #eee;
      border-radius: 50%;
      padding: 10px;
      /*边框阴影*/
      box-shadow: 0 0 10px #ddd;
      position: absolute;
      left: 50%;
      transform: translate(-50%, -50%);
      background-color: #fff;

      img {
        width: 100%;
        height: 100%;
        border-radius: 50%;
        background-color: #993d3d;
      }
    }

    .login_form {
      position: absolute;
      bottom: 0;
      width: 100%;
      padding: 0 20px;
      box-sizing: border-box;
    }

    .btns {
      display: flex;
      justify-content: flex-end;
    }
    .wai {
      background-image: url("../assets/back.jpg");
      width: 577px;
      height: 300px;
      border-radius: 15px;
    }
  }
</style>

<script>
export default {
  data () {
    return {
      // 数据绑定对象
      loginForm: {
        username: 'llll',
        password: '123'
      },
      loginFormRules: {
        // 验证用户
        username: [
          {required: true, message: '请输入用户名', trigger: 'blur'},
          {
            min: 3,
            max: 10,
            message: '长度在3到10个字符',
            trigger: 'blur'
          }
        ],
        password: [
          {required: true, message: '请输入登录密码', trigger: 'blur'},
          {
            min: 3,
            max: 15,
            message: '长度在3到15个字符',
            trigger: 'blur'
          }
        ]
      }
    }
  },
  methods: {
    Login () {
      // 预验证
      this.$refs.loginFormRef.validate(async (valid) => {
        // 未验证通过则直接return
        if (!valid) return
        // 不加await的话不会打印出数据，await只能用于async修饰的函数
        const response = await this.$http.post('pro/login', this.loginForm)
          .catch(() => this.$message.error('登录失败，请联系Tel'))
        // console.log(response.data)
        if (response.status !== 200) return
        if (response.data.token) return this.$message.success('登录成功')
        if (response.data().error) return this.$message.error(response.data().error)
      })
    },
    // 重置登录表单
    resetLoginForm () {
      this.$refs.loginFormRef.resetFields()
    }
  }
}
</script>

html,
body,
#app{
  height: 100%;
  margin: 0;
  padding: 0;
}