d2-crud 表尾合计行

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src/pages/demo/d2-crud/demo13/code.js

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+export default `<template>
+  <div>
+    <d2-crud
+      :columns="columns"
+      :data="data"
+      :options="options"/>
+  </div>
+</template>
+
+<script>
+export default {
+  data () {
+    return {
+      columns: [
+        {
+          title: 'ID',
+          key: 'id'
+        },
+        {
+          title: '姓名',
+          key: 'name'
+        },
+        {
+          title: '数值 1',
+          key: 'amount1'
+        },
+        {
+          title: '数值 2',
+          key: 'amount2'
+        },
+        {
+          title: '数值 3',
+          key: 'amount3'
+        }
+      ],
+      data: [
+        {
+          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
+        }
+      ],
+      options: {
+        showSummary: true,
+        summaryMethod (param) {
+          const { columns, data } = param
+          const sums = []
+          columns.forEach((column, index) => {
+            if (index === 0) {
+              sums[index] = '总价'
+              return
+            }
+            const values = data.map(item => Number(item[column.property]))
+            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>`