调整日志记录信息

biz/export/csv_exporter.go

@@ -36,13 +36,24 @@ func (ee *CsvExporter) WaitGroup(wg *sync.WaitGroup) {
 }
 
 func (ee *CsvExporter) Export(sql, pk string) error {
+	begin := time.Now()
 	data, err := ee.mFetcher.Fetch(sql)
 	if err != nil {
 		return fmt.Errorf("数据获取错误:%w", err)
 	}
+	log.Printf("数据获取耗时：%s \n", time.Now().Sub(begin).String())
+
 	ee.count = len(data.Data)
-	//fmt.Printf("Excel Exporter.Excel, got %v data\n", len(data))
-	go func() {
+	if ee.count > 0 {
+		//异步导出数据到csv文件中
+		go ee.exportToCsv(data)
+		last := data.Data[ee.count-1]
+		ee.last = last[ee.getPkIndex(data.Title, pk)]
+	}
+	return nil
+}
+
+func (ee *CsvExporter) exportToCsv(data *Data) {
 	begin := time.Now()
 	ee.file.Open()
 	ee.file.WriteTitle(data.Title)
@@ -54,13 +65,7 @@ func (ee *CsvExporter) Export(sql, pk string) error {
 	ee.file.Close()
 	ee.wg.Done()
 	end := time.Now()
-		log.Println("csv time:%s", end.Sub(begin).String())
-	}()
-	if ee.count > 0 {
-		last := data.Data[ee.count-1]
-		ee.last = last[ee.getPkIndex(data.Title, pk)]
-	}
-	return nil
+	log.Printf("csv time:%s\n", end.Sub(begin).String())
 }
 
 func (ee *CsvExporter) Last() (int, interface{}) {