Element 中的表格表头添加搜索图标和功能

Element 中的表格表头添加搜索图标和功能

主要实现 table的slot=‘header’

1. headerData是表头的循环数组

2. tableData是表格内容的数组

3. 自定义表头的内容

4. 注意：在使用的时候，只会显示表头的自定义内容，表格的内容还需要使用 scope.row会显示出该列的所有内容

5. 如果不使用slot-scope='scope'会出现不能输入的问题

6. Vue 2.6+版本的插槽语法使用#header替换Vue的作用域插槽

   <template>
       <el-table :data="tableData" style="width: 100%">
           <template v-for="(headerItem, headerIndex) in headerData">
               
               <el-table-column
                   v-if="headerItem.select"
                   :label="headerItem.label"
                   :prop="headerItem.prop"
                   :key="headerIndex"
               >
               	
                   <template #header>
                       <el-popover placement="bottom" title="请选择" width="200" trigger="click">
                           <div slot="reference" class="search-header">
                               <span class="search-title">{
         { headerItem.label }}span>
                               <i class="search-icon el-icon-search">i>
                           div>
                           <el-select v-model="headerItem.selectValue" placeholder="请选择">
                               <el-option
                                   v-for="item in headerItem.selectOptions"
                                   :key="item.value"
                                   :label="item.label"
                                   :value="item.value"
                               >
                               el-option>
                           el-select>
                       el-popover>
                   template>
                   
                   <template slot-scope="scope">
                       {
         { scope.row[headerItem.prop] }}
                   template>
               el-table-column>
               
               <el-table-column
                   v-else-if="headerItem.dateSelect"
                   :label="headerItem.label"
                   :prop="headerItem.prop"
                   :key="headerIndex"
               >
                   <template #header>
                       <el-popover placement="bottom" title="请选择" trigger="click">
                           <div class="search-box" slot="reference">
                               <span class="search-title">{
         { headerItem.label }}span>
                               <i class="el-icon-arrow-down search-icon">i>
                           div>
                           <el-date-picker
                               type="daterange"
                               range-separator="至"
                               start-placeholder="开始日期"
                               end-placeholder="结束日期"
                           >
                           el-date-picker>
                       el-popover>
                   template>
                   <template slot-scope="scope">
                       {
         { scope.row[headerItem.prop] }}
                   template>
               el-table-column>
               
               <el-table-column
                   v-else-if="headerItem.inputSelect"
                   :label="headerItem.label"
                   :prop="headerItem.prop"
                   :key="headerIndex"
               >
                   <template #header>
                       <el-popover placement="bottom" title="请选择" trigger="click">
                           <div slot="reference" class="search-header">
                               <span class="search-title">{
         { headerItem.label }}span>
                               <i class="search-icon el-icon-search">i>
                           div>
                           <el-input />
                       el-popover>
                   template>
                   <template slot-scope="scope">
                       {
         { scope.row[headerItem.prop] }}
                   template>
               el-table-column>
               <el-table-column v-else :label="headerItem.label" :prop="headerItem.prop" :key="headerIndex">
               el-table-column>
           template>
       el-table>
   template>
   

7. js代码

   export default {
          
       data() {
          
           return {
          
               headerData: [
                   {
          
                       label: '日期',
                       prop: 'date',
                       dateSelect: true,
                   },
                   {
          
                       label: '名称',
                       prop: 'name',
                       inputSelect: true,
                   },
                   {
          
                       label: '类型',
                       prop: 'type',
                       select: true,
                       selectValue: null,
                       selectOptions: [
                           {
          
                               value: 'Vue',
                               label: 'Vue',
                           },
                           {
          
                               value: 'React',
                               label: 'React',
                           },
                           {
          
                               value: 'Angular',
                               label: 'Angular',
                           },
                       ],
                   },
               ],
               tableData: [
                   {
          
                       date: '2016-05-02',
                       name: '王小虎',
                       type: 'Vue',
                   },
                   {
          
                       date: '2016-05-04',
                       name: '王小虎',
                       type: 'React',
                   },
                   {
          
                       date: '2016-05-01',
                       name: '王小虎',
                       type: 'Angular',
                   },
               ],
           }
       },
   }