ElementUI之show-summary 與 summary-method

時間 2019-12-05

標籤 elementui summary method 简体版

原文原文鏈接

show-summary

是否在表尾顯示合計行

Boolean

—

默認false

只有show-summary的用例css

<!DOCTYPE html>
<html>

<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <title>AdminLTE 2 | Morris.js Charts</title>
    <!-- Tell the browser to be responsive to screen width -->
    <meta content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no" name="viewport">
    <link rel="stylesheet" href="../plugins/elementUI/elementUI.css">
  <style>
   .green{color:green;}
  </style>
</head>

<body class="">
   
<div id="demo">
     <el-table
    :data="tableData6"
    border
    show-summary
    style="width: 100%">
    <el-table-column
      prop="id"
      label="ID"
      width="180">
    </el-table-column>
    <el-table-column
      prop="name"
      label="姓名">
    </el-table-column>
    <el-table-column
      prop="amount1"
      sortable
      label="數值 1">
    </el-table-column>
    <el-table-column
      prop="amount2"
      sortable
      label="數值 2">
    </el-table-column>
    <el-table-column
      prop="amount3"
      sortable
      label="數值 3">
    </el-table-column>
  </el-table>
</div>
 <script src="../js/vue.js"></script>
 <script src="../plugins/elementUI/elementUI.js"></script>
  <script>
  var demo = new Vue({
    el: '#demo',
    data: {
     tableData6: [{
          id: '12987122',
          name: '王小虎',
          amount1: '234',
          amount2: '3.2',
          amount3: 10
        }, {
          id: '12987123',
          name: '王小虎',
          amount1: '165',
          amount2: '4.43',
          amount3: 12
        }, {
          id: '12987124',
          name: '王小虎',
          amount1: '324',
          amount2: '1.9',
          amount3: 9
        }, {
          id: '12987125',
          name: '王小虎',
          amount1: '621',
          amount2: '2.2',
          amount3: 17
        }, {
          id: '12987126',
          name: '王小虎',
          amount1: '539',
          amount2: '4.1',
          amount3: 15
        }]
    },
    methods: {
   
  }
  })
  </script>
</body>

</html>

含 summary-method的使用方法html

<!DOCTYPE html>
<html>

<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <title>AdminLTE 2 | Morris.js Charts</title>
    <!-- Tell the browser to be responsive to screen width -->
    <meta content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no" name="viewport">
    <link rel="stylesheet" href="../plugins/elementUI/elementUI.css">
  <style>
   .green{color:green;}
  </style>
</head>

<body class="">
   
<div id="demo">
   <el-table
    :data="tableData6"
    border
    max-height="400"
    :summary-method="getSummaries"
    show-summary
    style="width: 100%; margin-top: 20px">
    <el-table-column
      prop="id"
      label="ID"
      width="180" sortable>
    </el-table-column>
    <el-table-column
      prop="name"
      label="姓名">
    </el-table-column>
    <el-table-column
      prop="amount1"
      label="數值 1（元）">
    </el-table-column>
    
    <el-table-column
      prop="amount3"
      label="數值 3（元）">
    </el-table-column>
  </el-table>
</div>
 <script src="../js/vue.js"></script>
 <script src="../plugins/elementUI/elementUI.js"></script>
  <script>
  var demo = new Vue({
    el: '#demo',
    data: {
      tableData6: [{
          id: '12987122',
          name: '王小虎',
          amount1: '234',
          
          amount3: 10
        }, {
          id: '12987123',
          name: '王小虎',
          amount1: '165',
          
          amount3: 12
        }, {
          id: '12987124',
          name: '王小虎',
          amount1: '324',
         
          amount3: 9
        }, {
          id: '12987125',
          name: '王小虎',
          amount1: '621',
          
          amount3: 17
        }, {
          id: '12987126',
          name: '王小虎',
          amount1: '539',
          
          amount3: 15
        }]
    },
  
    methods: {
      getSummaries(param) {
        //param 是固定的對象，裏面包含 columns與 data參數的對象 {columns: Array[4], data: Array[5]},包含了表格的全部的列與數據信息
        const { columns, data } = param;
        console.log(param)
        //console.log(data)
        const sums = [];
        columns.forEach((column, index) => {
          //console.log(column)
          //console.log(index)
          if (index === 0) {
            sums[index] = '總價';
            return;
          }
          const values = data.map(item => Number(item[column.property]));
          //驗證每一個value值是不是數字，若是是執行if
          if (!values.every(value => isNaN(value))) {
            sums[index] = values.reduce((prev, curr) => {
              //const value = Number(curr);
              //if (!isNaN(value)) {
              return prev + curr;
              // } else {
              //   return prev;
              // }
            }, 0);
            sums[index] += ' 元';
          } else {
            sums[index] = 'N/A';
          }
        });

        return sums;
      }
    }
  })
  </script>
</body>

</html>

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