update 历史查询

src/views/device-management/history-data/index.vue

@@ -73,7 +73,7 @@
     <el-card class="margin-top-20">
       <div slot="header" class="clearfix">
         <span>详细</span>
-        <el-button style="float: right; padding: 3px 0" type="text">导出</el-button>
+        <el-button style="float: right; padding: 3px 0" type="text" @click="handleDownload">导出</el-button>
       </div>
       <el-table :data="tableDataPaged" border style="width: 100%">
         <el-table-column type="index" label="序号" width="50" />
@@ -257,6 +257,36 @@ export default {
       await this.queryData()
       return {}
     },
+    formatJson(filterVal, jsonData) {
+      return jsonData.map(v => filterVal.map(j => {
+        if (j === 'time') {
+          return this.$moment(v[j], 'YYYY-MM-DD HH:mm:ss')
+        } else {
+          return v[j]
+        }
+      }))
+    },
+    handleDownload() {
+      this.downloadLoading = true
+      import('@/vendor/Export2Excel').then(excel => {
+        const tHeader = []
+        const filterVal = []
+        for (const key in this.tableDataPaged[0]) {
+          tHeader.push(key)
+          filterVal.push(key)
+        }
+        const list = this.tableData
+        const data = this.formatJson(filterVal, list)
+        excel.export_json_to_excel({
+          header: tHeader,
+          data,
+          filename: this.filename,
+          autoWidth: this.autoWidth,
+          bookType: this.bookType
+        })
+        this.downloadLoading = false
+      })
+    },
     getChartData(propertyCode) {
       return this.tableData.map(v => {
         return {