1. 将saveExcelFile方法从utils包下的utils文件夹中移到grmi包下的export的文件中，用于解决循环导入

2. saveExcelFile方法对传如的结构体字段类型做判断若为grmi.Date或grmi.DateTime则调用ToString方法 转换成字符串

grmi/export.go

@@ -0,0 +1,110 @@
+/******************************************************************************
+ * @Function Name      :
+ *-----------------------------------------------------------------------------
+ * @Description        :
+ * @Function Parameters:
+ * @Return Value       :
+ * @Author             : Zhang Xin
+ * @Date               : 2021/3/3 11:02
+ ******************************************************************************/
+package grmi
+
+import (
+	"LAPP_GAAS_GFrame_BACKEND/utils"
+	"errors"
+	"fmt"
+	"github.com/360EntSecGroup-Skylar/excelize/v2"
+	"reflect"
+)
+
+/******************************************************************************
+ *
+ * @Function Name            : SaveExcelFile
+ *-----------------------------------------------------------------------------
+ *
+ * @Description              : 把传入的[]interface 数据保存成excel
+ *
+ * @Function Parameters      : []interface{} 需要保存的数据切片
+ *
+ * @Function Parameters      : sheetName excel sheet名称
+ *
+ * @Function Parameters      : prefixFilename 保存文件的前缀名称 后面会有自动添加时间和文件类型后缀
+ *
+ * @Return Value             : filepath 文件路径
+ *
+ * @Return Value             : err 执行出现的错误
+ *
+ * @Author                   : zhangxin
+ *
+ * @Date                     : 2021-03-19
+ *
+ ******************************************************************************/
+func SaveExcelFile(list []interface{}, titleList []string, sheetName string, prefixFilename string) (filepath string, err error) {
+	file := excelize.NewFile()
+	if sheetName != "Sheet1" {
+		file.NewSheet(sheetName)
+		file.DeleteSheet("Sheet1")
+	}
+	streamWriter, err := file.NewStreamWriter(sheetName)
+	if err != nil {
+		fmt.Println("errors:", err.Error())
+		return "", err
+	}
+	for index, item := range list {
+		if index == 0 {
+			typeOfS := reflect.TypeOf(item)
+			row := make([]interface{}, typeOfS.NumField())
+			if len(titleList) != 0 {
+				if len(titleList) != typeOfS.NumField() {
+					return "", errors.New("titleList和item字段数量不相等")
+				}
+				for i := 0; i < typeOfS.NumField(); i++ {
+					row[i] = titleList[i]
+				}
+
+			} else {
+				for i := 0; i < typeOfS.NumField(); i++ {
+					row[i] = typeOfS.Field(i).Name
+				}
+			}
+
+			cell, _ := excelize.CoordinatesToCellName(1, 1)
+			if err := streamWriter.SetRow(cell, row); err != nil {
+				fmt.Println(err)
+			}
+		}
+		reflectValue := reflect.ValueOf(item)
+		row := make([]interface{}, reflectValue.NumField())
+		for i := 0; i < reflectValue.NumField(); i++ {
+			var date Date
+			var datetime DateTime
+			if reflect.TypeOf(date) == reflectValue.Field(i).Type() {
+				filed := reflectValue.Field(i).Interface().(Date)
+				row[i] = filed.ToString()
+			} else if reflect.TypeOf(datetime) == reflectValue.Field(i).Type() {
+				filed := reflectValue.Field(i).Interface().(DateTime)
+				row[i] = filed.ToString()
+			} else {
+				row[i] = reflectValue.Field(i)
+			}
+		}
+		cell, _ := excelize.CoordinatesToCellName(1, index+2)
+		if err := streamWriter.SetRow(cell, row); err != nil {
+			return "", err
+		}
+	}
+	if err := streamWriter.Flush(); err != nil {
+		return "", err
+	}
+	filename := utils.MakeOrderSn(prefixFilename) + ".xlsx"
+	dirname, err := utils.GetCurrentPath("web/public/uploadxlsx")
+	if err != nil {
+		return "", err
+	}
+	filepath = dirname + "/" + filename
+	err = file.SaveAs(filepath)
+	if err != nil {
+		return "", err
+	}
+	return filepath, nil
+}

utils/utils.go

@@ -3,7 +3,6 @@ package utils
 import (
 	"errors"
 	"fmt"
-	"github.com/360EntSecGroup-Skylar/excelize/v2"
 	"github.com/lianggx6/goutf16"
 	"io"
 	"math/rand"
@@ -389,70 +388,3 @@ func FileExist(file string) bool {
 	return true
 }
 
-
-/******************************************************************************
- *
- * @Function Name            : SaveExcelFile
- *-----------------------------------------------------------------------------
- *
- * @Description              : 把传入的[]interface 数据保存成excel
- *
- * @Function Parameters      : []interface{} 需要保存的数据切片
- *
- * @Function Parameters      : sheetName excel sheet名称
- *
- * @Function Parameters      : prefixFilename 保存文件的前缀名称 后面会有自动添加时间和文件类型后缀
- *
- * @Return Value             : filepath 文件路径
- *
- * @Return Value             : err 执行出现的错误
- *
- * @Author                   : zhangxin
- *
- * @Date                     : 2021-03-19
- *
- ******************************************************************************/
-func SaveExcelFile(list []interface{}, sheetName string, prefixFilename string) (filepath string, err error) {
-	file := excelize.NewFile()
-	streamWriter, err := file.NewStreamWriter(sheetName)
-	if err != nil {
-		return "", err
-	}
-	for index, item := range list {
-		if index == 0 {
-			typeOfS := reflect.TypeOf(item)
-			row := make([]interface{}, typeOfS.NumField())
-			for i := 0; i < typeOfS.NumField(); i++ {
-				row[i] = typeOfS.Field(i).Name
-
-			}
-			cell, _:= excelize.CoordinatesToCellName(1, 1)
-			if err := streamWriter.SetRow(cell, row); err != nil {
-				fmt.Println(err)
-			}
-		}
-		typeOfS := reflect.ValueOf(item)
-		row := make([]interface{}, typeOfS.NumField())
-		for i := 0; i < typeOfS.NumField(); i++ {
-			row[i] = typeOfS.Field(i)
-		}
-		cell, _:= excelize.CoordinatesToCellName(1, index+2)
-		if err := streamWriter.SetRow(cell, row); err != nil {
-			fmt.Println(err)
-		}
-	}
-	if err := streamWriter.Flush(); err != nil {
-		fmt.Println(err)
-	}
-	filename := MakeOrderSn(prefixFilename) + ".xlsx"
-	dirname, err := GetCurrentPath("web/public/uploadxlsx")
-	if err != nil {
-		return "", err
-	}
-	filepath =  dirname + "/" + filename
-	err = file.SaveAs(filepath)
-	if err != nil {
-		return "", err
-	}
-	return filepath, nil
-}