第十二篇 - 将Vue2升级成Vue3

/* 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>
          <div style="display:flex; justify-content:flex-start">{{loginForm.message}}</div>
        </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>
import qs from 'qs'
export default {
  data () {
    return {
      // 数据绑定对象
      loginForm: {
        username: 'lili',
        password: '123',
        message: ''
      },
      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 () {
      /* http://localhost:8081/api/login */
      this.$axios
          .post('http://localhost:8081/api/login', qs.stringify(this.loginForm))
          .then(successResponse => {
            console.log(successResponse.data)
            if (successResponse.data.code !== 200) {
              this.loginForm.message = successResponse.data.message
            } else {
              this.$router.push('/jump1test', () => {}, () => {})
            }
          })
          .catch(failResponse => {})
    },
    // 重置登录表单
    resetLoginForm () {
      this.$refs.loginFormRef.resetFields()
    }
  }
}
</script>

{
  "name": "vue3test",
  "version": "0.1.0",
  "private": true,
  "scripts": {
    "serve": "vue-cli-service serve",
    "build": "vue-cli-service build",
    "lint": "vue-cli-service lint"
  },
  "dependencies": {
    "core-js": "^3.8.3",
    "vue": "^3.2.13",
    "vue-router": "^3.6.5",
    "axios": "^1.4.0",
    "element-plus": "^2.3.7",
    "less-loader": "^11.1.3",
    "less": "^4.1.3"
  },
  "devDependencies": {
    "@babel/core": "^7.12.16",
    "@babel/eslint-parser": "^7.12.16",
    "@vue/cli-plugin-babel": "~5.0.0",
    "@vue/cli-plugin-eslint": "~5.0.0",
    "@vue/cli-service": "~5.0.0",
    "eslint": "^7.32.0",
    "eslint-plugin-vue": "^8.0.3"
  },
  "eslintConfig": {
    "root": true,
    "env": {
      "node": true
    },
    "extends": [
      "plugin:vue/vue3-essential",
      "eslint:recommended"
    ],
    "parserOptions": {
      "parser": "@babel/eslint-parser"
    },
    "rules": {}
  },
  "browserslist": [
    "> 1%",
    "last 2 versions",
    "not dead",
    "not ie 11"
  ]
}

<template>
  <LoginPage msg="Welcome to Login"/>
</template>

<script>
import LoginPage from './views/LoginPage.vue'

export default {
  name: 'App',
  components: {
    LoginPage
  }
}
</script>

<style>
#app {
  font-family: Avenir, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-align: center;
  color: #2c3e50;
  margin-top: 60px;
}
</style>