style: linker

server/service/example/exa_breakpoint_continue.go

@@ -8,8 +8,7 @@ import (
 	"gorm.io/gorm"
 )
 
-type FileUploadAndDownloadService struct {
-}
+type FileUploadAndDownloadService struct{}
 
 //@author: [piexlmax](https://github.com/piexlmax)
 //@function: FindOrCreateFile

server/service/example/exa_customer.go

@@ -8,8 +8,7 @@ import (
 	systemService "github.com/flipped-aurora/gin-vue-admin/server/service/system"
 )
 
-type CustomerService struct {
-}
+type CustomerService struct{}
 
 //@author: [piexlmax](https://github.com/piexlmax)
 //@function: CreateExaCustomer

server/service/example/exa_excel_parse.go

@@ -10,8 +10,7 @@ import (
 	"github.com/xuri/excelize/v2"
 )
 
-type ExcelService struct {
-}
+type ExcelService struct{}
 
 func (exa *ExcelService) ParseInfoList2Excel(infoList []system.SysBaseMenu, filePath string) error {
 	excel := excelize.NewFile()