changeStock

models/book/book.go

 	_, err := m.db.Cols(cols...).Where("book_borrow_record_id = ?", record.BookBorrowRecordId).Update(record)
 	return err
 }
-func (m *BookDAO) UpdateInStockBook(book model.TaBook) error {
+func (m *BookDAO) UpdateInStockBook(book *model.TaBook) error {
 	var cols = []string{
 		"in_stock",
 		"left_num",
 	RealName              string
 	BookName              string
 	LeftNum               int
+	InStock               int
 }
 
 func (m *BookDAO) GetInStockChangeByBookId(bookId string, page, pageSize int) ([]InStockChange, error) {
 	a.*,
 	b.book_name,
 	b.left_num,
+	b.in_stock,
 	c.real_name
 FROM
 	ta_in_stock_change a

service/book/book.go

 	}, nil
 }
 
-// func (s *BookServ)AddChangeRecord(change model.TaInStockChange)error{
-
-// }
+func (s *BookServ) AddChangeRecord(change model.TaInStockChange) error {
+	book, err := s.dao.GetBookById(change.BookId)
+	if err != nil {
+		utils.LogError("库存盘点失败: " + err.Error())
+		return errors.New("库存盘点失败")
+	}
+	bookAdd := change.InStockAfter - change.InStockBefore
+	book.InStock = book.InStock + bookAdd
+	book.LeftNum = change.InStockAfter
+	err = s.dao.AddChangeRecord(change)
+	if err != nil {
+		utils.LogError("库存盘点失败: " + err.Error())
+		return errors.New("库存盘点失败")
+	}
+	err = s.dao.UpdateInStockBook(book)
+	if err != nil {
+		utils.LogError("库存盘点失败: " + err.Error())
+		return errors.New("库存盘点失败")
+	}
+	return nil
+}