refactor StandardTable

- extract columns
- support multiple sums display

src/components/StandardTable/index.js

-import React, { PureComponent, Fragment } from 'react';
-import moment from 'moment';
-import { Table, Alert, Badge, Divider } from 'antd';
+import React, { PureComponent } from 'react';
+import { Table, Alert } from 'antd';
 import styles from './index.less';
 
-const statusMap = ['default', 'processing', 'success', 'error'];
+function initTotalList(columns) {
+  const totalList = [];
+  columns.forEach((column) => {
+    if (column.needTotal) {
+      totalList.push({ ...column, total: 0 });
+    }
+  });
+  return totalList;
+}
+
 class StandardTable extends PureComponent {
-  state = {
-    selectedRowKeys: [],
-    totalCallNo: 0,
-  };
+  constructor(props) {
+    super(props);
+    const { columns } = props;
+    const needTotalList = initTotalList(columns);
+
+    this.state = {
+      selectedRowKeys: [],
+      needTotalList,
+    };
+  }
 
   componentWillReceiveProps(nextProps) {
     // clean state
     if (nextProps.selectedRows.length === 0) {
+      const needTotalList = initTotalList(nextProps.columns);
       this.setState({
         selectedRowKeys: [],
-        totalCallNo: 0,
+        needTotalList,
       });
     }
   }
 
   handleRowSelectChange = (selectedRowKeys, selectedRows) => {
-    const totalCallNo = selectedRows.reduce((sum, val) => {
-      return sum + parseFloat(val.callNo, 10);
-    }, 0);
+    let needTotalList = [...this.state.needTotalList];
+    needTotalList = needTotalList.map((item) => {
+      return {
+        ...item,
+        total: selectedRows.reduce((sum, val) => {
+          return sum + parseFloat(val[item.dataIndex], 10);
+        }, 0),
+      };
+    });
 
     if (this.props.onSelectRow) {
       this.props.onSelectRow(selectedRows);
     }
 
-    this.setState({ selectedRowKeys, totalCallNo });
+    this.setState({ selectedRowKeys, needTotalList });
   }
 
   handleTableChange = (pagination, filters, sorter) => {
@@ -41,69 +62,8 @@ class StandardTable extends PureComponent {
   }
 
   render() {
-    const { selectedRowKeys, totalCallNo } = this.state;
-    const { data: { list, pagination }, loading } = this.props;
-
-    const status = ['关闭', '运行中', '已上线', '异常'];
-
-    const columns = [
-      {
-        title: '规则编号',
-        dataIndex: 'no',
-      },
-      {
-        title: '描述',
-        dataIndex: 'description',
-      },
-      {
-        title: '服务调用次数',
-        dataIndex: 'callNo',
-        sorter: true,
-        align: 'right',
-        render: val => `${val} 万`,
-      },
-      {
-        title: '状态',
-        dataIndex: 'status',
-        filters: [
-          {
-            text: status[0],
-            value: 0,
-          },
-          {
-            text: status[1],
-            value: 1,
-          },
-          {
-            text: status[2],
-            value: 2,
-          },
-          {
-            text: status[3],
-            value: 3,
-          },
-        ],
-        render(val) {
-          return <Badge status={statusMap[val]} text={status[val]} />;
-        },
-      },
-      {
-        title: '更新时间',
-        dataIndex: 'updatedAt',
-        sorter: true,
-        render: val => <span>{moment(val).format('YYYY-MM-DD HH:mm:ss')}</span>,
-      },
-      {
-        title: '操作',
-        render: () => (
-          <Fragment>
-            <a href="">配置</a>
-            <Divider type="vertical" />
-            <a href="">订阅警报</a>
-          </Fragment>
-        ),
-      },
-    ];
+    const { selectedRowKeys, needTotalList } = this.state;
+    const { data: { list, pagination }, loading, columns } = this.props;
 
     const paginationProps = {
       showSizeChanger: true,
@@ -126,7 +86,16 @@ class StandardTable extends PureComponent {
             message={(
               <div>
                 已选择 <a style={{ fontWeight: 600 }}>{selectedRowKeys.length}</a> 项&nbsp;&nbsp;
-                服务调用总计 <span style={{ fontWeight: 600 }}>{totalCallNo}</span> 万
+                {
+                  needTotalList.map(item => (
+                    <span style={{ marginLeft: 8 }} key={item.dataIndex}>{item.title}总计&nbsp;
+                      <span style={{ fontWeight: 600 }}>
+                        {item.render ? item.render(item.total) : item.total}
+                      </span>
+                    </span>
+                    )
+                  )
+                }
                 <a onClick={this.cleanSelectedKeys} style={{ marginLeft: 24 }}>清空</a>
               </div>
             )}

src/routes/List/TableList.js

-import React, { PureComponent } from 'react';
+import React, { PureComponent, Fragment } from 'react';
 import { connect } from 'dva';
-import { Row, Col, Card, Form, Input, Select, Icon, Button, Dropdown, Menu, InputNumber, DatePicker, Modal, message } from 'antd';
+import moment from 'moment';
+import { Row, Col, Card, Form, Input, Select, Icon, Button, Dropdown, Menu, InputNumber, DatePicker, Modal, message, Badge, Divider } from 'antd';
 import StandardTable from '../../components/StandardTable';
 import PageHeaderLayout from '../../layouts/PageHeaderLayout';
 
@@ -9,6 +10,68 @@ import styles from './TableList.less';
 const FormItem = Form.Item;
 const { Option } = Select;
 const getValue = obj => Object.keys(obj).map(key => obj[key]).join(',');
+const statusMap = ['default', 'processing', 'success', 'error'];
+const status = ['关闭', '运行中', '已上线', '异常'];
+const columns = [
+  {
+    title: '规则编号',
+    dataIndex: 'no',
+  },
+  {
+    title: '描述',
+    dataIndex: 'description',
+  },
+  {
+    title: '服务调用次数',
+    dataIndex: 'callNo',
+    sorter: true,
+    align: 'right',
+    render: val => `${val} 万`,
+    // mark to display a total number
+    needTotal: true,
+  },
+  {
+    title: '状态',
+    dataIndex: 'status',
+    filters: [
+      {
+        text: status[0],
+        value: 0,
+      },
+      {
+        text: status[1],
+        value: 1,
+      },
+      {
+        text: status[2],
+        value: 2,
+      },
+      {
+        text: status[3],
+        value: 3,
+      },
+    ],
+    render(val) {
+      return <Badge status={statusMap[val]} text={status[val]} />;
+    },
+  },
+  {
+    title: '更新时间',
+    dataIndex: 'updatedAt',
+    sorter: true,
+    render: val => <span>{moment(val).format('YYYY-MM-DD HH:mm:ss')}</span>,
+  },
+  {
+    title: '操作',
+    render: () => (
+      <Fragment>
+        <a href="">配置</a>
+        <Divider type="vertical" />
+        <a href="">订阅警报</a>
+      </Fragment>
+    ),
+  },
+];
 
 const CreateForm = Form.create()((props) => {
   const { modalVisible, form, handleAdd, handleModalVisible } = props;
@@ -335,6 +398,7 @@ export default class TableList extends PureComponent {
               selectedRows={selectedRows}
               loading={loading}
               data={data}
+              columns={columns}
               onSelectRow={this.handleSelectRows}
               onChange={this.handleStandardTableChange}
             />