完善查询列表QueryList

src/components/table/StandardTable.vue

@@ -1,11 +1,16 @@
 <template>
   <div class="standard-table">
     <div class="alert">
-      <a-alert type="info">
+      <a-alert type="info" :show-icon="true">
         <div slot="message">
-          已选择<span></span>项
-          服务调用总计<span></span>
-          <a>清空</a>
+          已选择&nbsp;<a style="font-weight: 600">{{selectedRows.length}}</a>&nbsp;项&nbsp;&nbsp;
+          <template  v-for="(item, index) in needTotalList" v-if="item.needTotal">
+            {{item.title}}总计&nbsp;
+            <a :key="index" style="font-weight: 600">
+            {{item.customRender ? item.customRender(item.total) : item.total}}
+            </a>&nbsp;&nbsp;
+          </template>
+          <a style="margin-left: 24px">清空</a>
         </div>
       </a-alert>
     </div>
@@ -16,17 +21,65 @@
       :dataSource="dataSource"
       :rowKey="rowKey"
       :pagination="pagination"
-    />
+      :rowSelection="{selectedRowKeys: selectedRowKeys, onChange: updateSelect}"
+    >
+    </a-table>
   </div>
 </template>
 
 <script>
 import AAlert from 'vue-antd-ui/es/alert/index'
 import ATable from 'vue-antd-ui/es/table'
+
 export default {
   name: 'StandardTable',
   components: {ATable, AAlert},
-  props: ['bordered', 'loading', 'columns', 'dataSource', 'rowKey', 'pagination']
+  props: ['bordered', 'loading', 'columns', 'dataSource', 'rowKey', 'pagination', 'selectedRows'],
+  data () {
+    return {
+      needTotalList: [],
+      selectedRowKeys: []
+    }
+  },
+  methods: {
+    updateSelect (selectedRowKeys, selectedRows) {
+      this.selectedRowKeys = selectedRowKeys
+      let list = this.needTotalList
+      this.needTotalList = list.map(item => {
+        return {
+          ...item,
+          total: selectedRows.reduce((sum, val) => {
+            return sum + val[item.dataIndex]
+          }, 0)
+        }
+      })
+      this.$emit('change', selectedRowKeys, selectedRows)
+    },
+    initTotalList (columns) {
+      const totalList = []
+      columns.forEach(column => {
+        if (column.needTotal) {
+          totalList.push({...column, total: 0})
+        }
+      })
+      return totalList
+    }
+  },
+  created () {
+    this.needTotalList = this.initTotalList(this.columns)
+  },
+  watch: {
+    'selectedRows': function (selectedRows) {
+      this.needTotalList = this.needTotalList.map(item => {
+        return {
+          ...item,
+          total: selectedRows.reduce((sum, val) => {
+            return sum + val[item.dataIndex]
+          }, 0)
+        }
+      })
+    }
+  }
 }
 </script>