change '*[]' to '[]'

internal/common/pack/notice.go

@@ -21,13 +21,9 @@ import (
 	db "github.com/west2-online/fzuhelper-server/pkg/db/model"
 )
 
-func BuildNoticeList(notices *[]db.Notice) []*model.NoticeInfo {
-	if notices == nil {
-		return nil
-	}
-	rows := *notices
-	list := make([]*model.NoticeInfo, len(rows))
-	for i, notice := range rows {
+func BuildNoticeList(notices []db.Notice) []*model.NoticeInfo {
+	list := make([]*model.NoticeInfo, len(notices))
+	for i, notice := range notices {
 		list[i] = &model.NoticeInfo{
 			Title: &notice.Title,
 			Url:   &notice.URL,

internal/common/service/get_notice.go

@@ -24,7 +24,7 @@ import (
 	"github.com/west2-online/jwch"
 )
 
-func (s *CommonService) GetNotice(pageNum int) (list *[]model.Notice, total int, err error) {
+func (s *CommonService) GetNotice(pageNum int) (list []model.Notice, total int, err error) {
 	list, err = s.db.Notice.GetNoticeByPage(s.ctx, pageNum)
 	if err != nil {
 		return nil, 0, fmt.Errorf("CommonService.GetNotice get notice from database:%w", err)

pkg/db/notice/get_notice.go

@@ -24,11 +24,11 @@ import (
 	"github.com/west2-online/fzuhelper-server/pkg/errno"
 )
 
-func (d *DBNotice) GetNoticeByPage(ctx context.Context, pageNum int) (notices *[]model.Notice, err error) {
-	var list []model.Notice
+func (d *DBNotice) GetNoticeByPage(ctx context.Context, pageNum int) (list []model.Notice, err error) {
+	// 不使用[]*的原因：Find 返回多个结果时，只能使用[]
 	offset := (pageNum - 1) * constants.NoticePageSize
 	if err := d.client.WithContext(ctx).Limit(constants.NoticePageSize).Offset(offset).Find(&list).Error; err != nil {
 		return nil, errno.Errorf(errno.InternalDatabaseErrorCode, "dal.GetNoticeByPage error: %s", err)
 	}
-	return &list, nil
+	return list, nil
 }