Vue-Elementui小案例

第一步创建一个项目

创建项目步骤：地址

第二步构建目录

第三步创建视图（Vue组件）

Login.vue:

<template>
  <div>
    <el-form ref="loginForm" :model="form" :rules="rules" label-width="80px" class="login-box">
      <h3 class="login-title">欢迎登录</h3>
      <el-form-item label="账号" prop="username">
        <el-input type="text" placeholder="请输入账号" v-model="form.username"/>
      </el-form-item>
      <el-form-item label="密码" prop="password">
        <el-input type="password" placeholder="请输入密码" v-model="form.password"/>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" v-on:click="onSubmit('loginForm')">登录</el-button>
      </el-form-item>
    </el-form>

    <el-dialog
      title="温馨提示"
      :visible.sync="dialogVisible"
      width="30%"
      :before-close="handleClose">
      <span>请输入账号和密码</span>
      <span slot="footer" class="dialog-footer">
        <el-button type="primary" @click="dialogVisible = false">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
  export default {
    name: "Login",
    data() {
      return {
        form: {
          username: '',
          password: ''
        },
        //表单验证，需要再el-form-item 元素中增加prop属性
        rules: {
          username: [
            {required: true, message: '账号不能为空', trigger: 'blur'}
          ],
          password: [
            {required: true, message: '密码不能为空', trigger: 'blur'}
          ]
        },
        //对话框显示和隐藏
        dialogVisible: false
      }
    },
    methods: {
      onSubmit(formName) {
        //为表单绑定验证功能
        this.$refs[formName].validate((valid) => {
          if (valid) {
            //使用 vue-router路由到指定页面，该方式称之为编程式导航
            this.$router.push("/main");
          } else {
            this.dialogVisible = true;
            return false;
          }
        });
      }
    }
  }
</script>

<style lang="scss" scoped>
  .login-box {
    border: 1px solid #DCDFE6;
    width: 350px;
    margin: 180px auto;
    padding: 35px 35px 15px 35px;
    border-radius: 5px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    box-shadow: 0 0 25px #909399;
  }

  .login-title {
    text-align: center;
    margin: 0 auto 40px auto;
    color: #303133;
  }
</style>

Main.vue:

<template>
   <div>
     <el-container>
       <el-aside width="200px">
         <el-menu :default-openeds="['1']">
           <el-submenu index="1">
             <template slot="title"><i class="el-icon-caret-right"></i>用户管理</template>
             <el-menu-item-group>
               <el-menu-item index="1-1">
                 <!--路由嵌套及传值-->
                 <!--v-bind:to实现数据双向绑定，name传组件名，params传递参数-->
                 <router-link v-bind:to="{name:'UserProfile' ,params:{id:1}}">个人信息</router-link>
               </el-menu-item>
               <el-menu-item index="1-2">
                 <!--跳转也可以使用路径-->
                 <router-link to="/user/list">用户列表</router-link>
               </el-menu-item>
             </el-menu-item-group>
           </el-submenu>
           <el-submenu index="2">
             <template slot="title"><i class="el-icon-caret-right"></i>内容管理</template>
             <e1-menu-item-group>
               <el-menu-item index="2-1">分类管理</el-menu-item>
               <el-menu-item index="2-2">内容列表</el-menu-item>
             </e1-menu-item-group>
           </el-submenu>
           <el-submenu index="3">
             <template slot="title"><i class="el-icon-caret-right"></i>系统管理</template>
             <e1-menu-item-group>
               <el-menu-item index="3-1">用户设置</el-menu-item>
             </e1-menu-item-group>
           </el-submenu>
         </el-menu>
       </el-aside>
       <el-container>
         <el-header style="text-align: right; font-size: 12px">
           <el-dropdown>
             <i class="el-icon-setting" style="margin-right:15px"></i>
             <el-dropdown-menu slot="dropdown">
               <el-dropdown-item>个人信息</el-dropdown-item>
               <el-dropdown-item>退出登录</el-dropdown-item>
             </el-dropdown-menu>
           </el-dropdown>
         </el-header>

         <el-main>
           <router-view/>
         </el-main>

       </el-container>
     </el-container>
   </div>
</template>

<script>
  export default {
    name: "Main"
  }
</script>

<style scoped lang="scss">
  .el-header {
    background-color: #048bd1;
    color: #333;
    line-height: 60px;
  }

  .el-aside {
    color: #333;
  }
</style>

路由跳转组件List.vue

<template>
    <h1>用户列表</h1>
</template>

<script>
    export default {
        name: "UserList"
    }
</script>

<style scoped>

</style>

路由跳转组件profile.vue

<template>
  <!--参数取值必须在标签内。不能单独在template内-->
  <div>
    <h1>个人信息</h1>
    <!--取参数-->
    {{$route.params.id}}
  </div>

</template>

<script>
    export default {
        name: "UserProfile"
    }
</script>

<style scoped>

</style>

第四步创建路由：

router/index.js:

import Vue from 'vue'
import router from 'vue-router'

import Main from '../views/Main'
import Login from '../views/Login'

import UserList from '../views/user/List'
import UserProfile from '../views/user/profile'

Vue.use(router);


export default new router({
  routes:[

    {
      path:'/main',
      component:Main,
      children:[
        {
          //:id定义参数名称
          path:'/user/profile/:id',
          name:'UserProfile',
          component:UserProfile
        },
        {
          path:'/user/list',
          name:'UserList',
          component:UserList
        }
      ]
    },
    {
      path:'/login',
      component:Login
    }
  ]
});

第五步写main.js:

import Vue from 'vue'
import App from './App'

//导入路由
import router from './router'
//导入element-ui
import ElementUI from 'element-ui';
//需要安装sass编译器
import 'element-ui/lib/theme-chalk/index.css';


Vue.config.productionTip = false;

Vue.use(router);
Vue.use(ElementUI);


new Vue({
  el: '#app',
  router,
  render: h => h(App)
})

第六步写App.vue

<template>
  <div id="app">
   
  </div>
</template>

<script>


  export default {
    name: 'App',

  }
</script>

第七步执行命令：

npm run dev

案例图片：

最后

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