diff --git a/BookInfoMapper.java b/BookInfoMapper.java
deleted file mode 100644
index 094bf7f..0000000
--- a/BookInfoMapper.java
+++ /dev/null
@@ -1,36 +0,0 @@
-package com.yx.dao;
-
-import com.yx.po.BookInfo;
-
-import java.awt.print.Book;
-import java.util.List;
-
-public interface BookInfoMapper {
-
-    int deleteByPrimaryKey(Integer id);
-
-
-    int insert(BookInfo record);
-
-
-    int insertSelective(BookInfo record);
-
-
-    BookInfo selectByPrimaryKey(Integer id);
-
-
-    int updateByPrimaryKeySelective(BookInfo record);
-
-
-    int updateByPrimaryKey(BookInfo record);
-
-    /**
-     * 查询所有图书记录
-     */
-    List<BookInfo> queryBookInfoAll(BookInfo bookInfo);
-
-    /**
-     * 根据类型获取图书数量
-     */
-    List<BookInfo> getBookCountByType();
-}
\ No newline at end of file