A detailed introduction to the ElementUI component library

This article brings you relevant knowledge about vue, which mainly introduces related issues about the ElementUI component library. The ElementUI component library is a set of desktop component libraries based on vue2.0 , provides a wealth of components to help developers quickly build pages. Let’s take a look at them. I hope it will be helpful to everyone.

【Related recommendations: javascript video tutorial, vue.js tutorial】

ElementUI introduction

ElementUI is a set of desktop component libraries based on VUE2.0. ElementUI provides a rich set of components to help developers quickly build pages with powerful functions and unified styles.

Official website address: http://element-cn.eleme.io/#/zh-CN

Introduce js and css files on the page to start using it, as follows:

<!-- 引入ElementUI样式 -->
<link>
<script></script>
<!-- 引入ElementUI组件库 -->
<script></script>

Container Layout Container

Container component used for layout, convenient for quickly building the basic structure of the page:

<el-container></el-container>: outer container . When the child elements contain <el-header></el-header> or <el-footer></el-footer>, all child elements will be arranged vertically up and down, otherwise they will be arranged horizontally left and right

<el-header></el-header>：Top bar container

<el-aside></el-aside>：Side bar container

&lt ;el-main>：Main area container

<el-footer></el-footer>：Bottom column container

  <div>
    <el-container>
      <el-header>Header</el-header>
      <el-container>
        <el-aside>Aside</el-aside>
        <el-container>
          <el-main>Main</el-main>
          <el-footer>Footer</el-footer>
        </el-container>
      </el-container>
    </el-container>
  </div>
  <style>
    .el-header, .el-footer {
      background-color: #B3C0D1;
      color: #333;
      text-align: left;
      line-height: 60px;
    }

    .el-aside {
      background-color: #D3DCE6;
      color: #333;
      text-align: center;
      line-height: 200px;
    }

    .el-main {
      background-color: #E9EEF3;
      color: #333;
      text-align: center;
      line-height: 590px;
    }
  </style>

<script>
  new Vue({
    el:&#39;#app&#39;
  });
</script>

Dropdown drop-down menu

Collapse an action or menu into a drop-down menu.

<el-dropdown>
  个人中心
  <el-dropdown-menu>
    <el-dropdown-item>退出系统</el-dropdown-item>
    <el-dropdown-item>修改密码</el-dropdown-item>
    <el-dropdown-item>联系管理员</el-dropdown-item>
  </el-dropdown-menu>
</el-dropdown>

NavMenu Navigation Menu

A menu that provides navigation functions for the website.

<el-menu>
  <el-submenu>
    <template>
      <i></i>
      <span>导航一</span>
    </template>
    <el-menu-item>选项1</el-menu-item>
    <el-menu-item>选项2</el-menu-item>
    <el-menu-item>选项3</el-menu-item>
  </el-submenu>
  <el-submenu>
    <template>
      <i></i>
      <span>导航二</span>
    </template>
    <el-menu-item>选项1</el-menu-item>
    <el-menu-item>选项2</el-menu-item>
    <el-menu-item>选项3</el-menu-item>
  </el-submenu>
</el-menu>

Table Table

is used to display multiple pieces of data with similar structure. The data can be sorted, filtered, compared or other customized operations.

<el-table>
  <el-table-column></el-table-column>
  <el-table-column></el-table-column>
  <el-table-column></el-table-column>
  <el-table-column>
    <!--
		slot-scope：作用域插槽，可以获取表格数据
    	scope：代表表格数据，可以通过scope.row来获取表格当前行数据，scope不是固定写法
    -->
    <template>
      <el-button>编辑</el-button>
      <el-button>删除</el-button>
    </template>
  </el-table-column>
</el-table>
<script>
  new Vue({
    el:&#39;#app&#39;,
    data:{
      tableData: [{
        date: &#39;2016-05-02&#39;,
        name: &#39;王小虎&#39;,
        address: &#39;上海市普陀区金沙江路 1518 弄&#39;
      }, {
        date: &#39;2016-05-04&#39;,
        name: &#39;王小虎&#39;,
        address: &#39;上海市普陀区金沙江路 1517 弄&#39;
      }, {
        date: &#39;2016-05-01&#39;,
        name: &#39;王小虎&#39;,
        address: &#39;上海市普陀区金沙江路 1519 弄&#39;
      }]
    },
    methods:{
      handleUpdate(row){
        alert(row.date);
      },
      handleDelete(row){
        alert(row.date);
      }
    }
  });
</script>

Pagination Pagination

When the amount of data is too large, use paging to break down the data.

<!--
	current-change：内置的事件，当前页码改变时会触发，可以获取到改变之后的页码
-->
<el-pagination>
</el-pagination>
<script>
  new Vue({
    el:&#39;#app&#39;,
    methods:{
      handleCurrentChange(page){
        alert(page);
      }
    }
  });
</script>

Message message prompt

is often used as a feedback prompt after active operations.

<el-button>消息</el-button>
<el-button>成功</el-button>
<el-button>警告</el-button>
<el-button>错误</el-button>
<script>
  new Vue({
    el: &#39;#app&#39;,
    methods: {
      open1() {
        this.$message(&#39;这是一条消息提示&#39;);
      },
      open2() {
        this.$message({
          message: &#39;恭喜你，这是一条成功消息&#39;,
          type: &#39;success&#39;
        });
      },
      open3() {
        this.$message({
          message: &#39;警告哦，这是一条警告消息&#39;,
          type: &#39;warning&#39;
        });
      },
      open4() {
        this.$message.error(&#39;错了哦，这是一条错误消息&#39;);
      }
    }
  })
</script>

Tabs Tab page

Separate data collections that are related in content but belong to different categories.

<h3 id="基础的-简洁的标签页">基础的、简洁的标签页</h3>
<!--
	通过value属性来指定当前选中的标签页
-->
<el-tabs>
  <el-tab-pane>用户管理</el-tab-pane>
  <el-tab-pane>配置管理</el-tab-pane>
  <el-tab-pane>角色管理</el-tab-pane>
  <el-tab-pane>定时任务补偿</el-tab-pane>
</el-tabs>
<h3 id="选项卡样式的标签页">选项卡样式的标签页</h3>
<el-tabs>
  <el-tab-pane>用户管理</el-tab-pane>
  <el-tab-pane>配置管理</el-tab-pane>
  <el-tab-pane>角色管理</el-tab-pane>
  <el-tab-pane>定时任务补偿</el-tab-pane>
</el-tabs>
<h3 id="卡片化的标签页">卡片化的标签页</h3>
<el-tabs>
  <el-tab-pane>用户管理</el-tab-pane>
  <el-tab-pane>配置管理</el-tab-pane>
  <el-tab-pane>角色管理</el-tab-pane>
  <el-tab-pane>定时任务补偿</el-tab-pane>
</el-tabs>
<script>
  new Vue({
    el: &#39;#app&#39;
  })
</script>

Form Form

is composed of input boxes, selectors, radio buttons, multi-select boxes and other controls, and is used to collect, verify and submit data. In the Form component, each form field is composed of a Form-Item component. Various types of form controls can be placed in the form field, including Input, Select, Checkbox, Radio, Switch, DatePicker, and TimePicker.

<!--
	rules：表单验证规则
-->
<el-form>
  <!--
  	prop：表单域 model 字段，在使用 validate、resetFields 方法的情况下，该属性是必填的
  -->
  <el-form-item>
    <el-input></el-input>
  </el-form-item>
  <el-form-item>
    <el-select>
      <el-option></el-option>
      <el-option></el-option>
    </el-select>
  </el-form-item>
  <el-form-item>
    <el-col>
      <el-date-picker></el-date-picker>
    </el-col>
    <el-col>-</el-col>
    <el-col>
      <el-time-picker></el-time-picker>
    </el-col>
  </el-form-item>
  <el-form-item>
    <el-switch></el-switch>
  </el-form-item>
  <el-form-item>
    <el-checkbox-group>
      <el-checkbox></el-checkbox>
      <el-checkbox></el-checkbox>
      <el-checkbox></el-checkbox>
      <el-checkbox></el-checkbox>
    </el-checkbox-group>
  </el-form-item>
  <el-form-item>
    <el-radio-group>
      <el-radio></el-radio>
      <el-radio></el-radio>
    </el-radio-group>
  </el-form-item>
  <el-form-item>
    <el-input></el-input>
  </el-form-item>
  <el-form-item>
    <el-button>立即创建</el-button>
  </el-form-item>
</el-form>
<script>
  new Vue({
    el: &#39;#app&#39;,
    data:{
      form: {
        name: &#39;&#39;,
        region: &#39;&#39;,
        date1: &#39;&#39;,
        date2: &#39;&#39;,
        delivery: false,
        type: [],
        resource: &#39;&#39;,
        desc: &#39;&#39;
      },
      //定义校验规则
      rules: {
        name: [
          { required: true, message: &#39;请输入活动名称&#39;, trigger: &#39;blur&#39; },
          { min: 3, max: 5, message: &#39;长度在 3 到 5 个字符&#39;, trigger: &#39;blur&#39; }
        ],
        region: [
          { required: true, message: &#39;请选择活动区域&#39;, trigger: &#39;change&#39; }
        ]
      }
    },
    methods:{
      onSubmit() {
        console.log(this.form);
        //validate：对整个表单进行校验的方法，参数为一个回调函数。
        //该回调函数会在校验结束后被调用，并传入两个参数：是否校验成功和未通过校验的字段。
        this.$refs[&#39;form&#39;].validate((valid) => {
          if (valid) {
            alert(&#39;submit!&#39;);
          } else {
            console.log(&#39;error submit!!&#39;);
            return false;
          }
        });
      }
    }
  })
</script>

【Related recommendations: javascript video tutorial, vue.js tutorial】

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