fix:自动创建下载目录

@@ -6,6 +6,7 @@ import (
 	"errors"
 	"fmt"
 	"github.com/beego/beego/v2/client/httplib"
+	"os"
 	"path"
 	"regexp"
 	"strconv"
@@ -659,6 +660,12 @@ func (c *OrderInfoController) DownloadTemplate() {
 		c.ResponseError(errors.New("类型编码错误"))
 	}
 
+	// 创建下载文件夹
+	mkErr := os.Mkdir("download", os.ModePerm)
+	if mkErr != nil {
+		fmt.Println(mkErr)
+	}
+
 	// 获取导入模板
 	req := httplib.Get("http://suplus-file-dev.fjmaimaimai.com/upload/file/2021010803305336443.xlsx")
 	err = req.ToFile(constant.IMPORT_EXCEL)