更改了代码的结构

src/com/chinasofti/dao/ActivityDAO.java

@@ -1,12 +1,106 @@
 package com.chinasofti.dao;
-
+/**
+ * Copyright: Copyright (c) 2026
+ *
+ * @ClassName: ActivityDAO
+ * @Description: 活动
+ *
+ * @version: v1.0.0
+ * @author: 刘浩然，栾益铭
+ * @date: 26.3.10
+ *
+ * Modification History:
+ * Date         Author          Version            Description
+ *---------------------------------------------------------*
+ * 26.3.10        刘浩然          v1.0.0               新建
+ * 26.3.10        栾益铭          v1.0.0               修改
+ */
 import com.chinasofti.model.Activity;
 import java.util.List;
 
 public interface ActivityDAO {
+    /**
+     * Copyright: Copyright (c) 2026
+     *
+     * @MethodName: selectAll
+     * @Description: 查询所有活动
+     *
+     * @version: v1.0.0
+     * @author: 刘浩然
+     * @date: 26.4.9
+     *
+     * Modification History:
+     * Date         Author          Version            Description
+     *---------------------------------------------------------*
+     *  26.4.9     刘浩然            v1.0.0               新建方法
+     */
     List<Activity> selectAll();
+
+    /**
+     * Copyright: Copyright (c) 2026
+     *
+     * @MethodName: selectById
+     * @Description: 根据ID查询活动
+     *
+     * @version: v1.0.0
+     * @author: 刘浩然
+     * @date: 26.4.10
+     *
+     * Modification History:
+     * Date         Author          Version            Description
+     *---------------------------------------------------------*
+     *  26.4.10    刘浩然            v1.0.0               新建方法
+     */
     Activity selectById(Long id);
+
+    /**
+     * Copyright: Copyright (c) 2026
+     *
+     * @MethodName: insert
+     * @Description: 插入活动
+     *
+     * @version: v1.0.0
+     * @author: 刘浩然
+     * @date: 26.4.11
+     *
+     * Modification History:
+     * Date         Author          Version            Description
+     *---------------------------------------------------------*
+     *  26.4.11    刘浩然            v1.0.0               新建方法
+     */
     int insert(Activity activity);
+
+    /**
+     * Copyright: Copyright (c) 2026
+     *
+     * @MethodName: update
+     * @Description: 更新活动
+     *
+     * @version: v1.0.0
+     * @author: 刘浩然
+     * @date: 26.4.12
+     *
+     * Modification History:
+     * Date         Author          Version            Description
+     *---------------------------------------------------------*
+     *  26.4.12    刘浩然            v1.0.0               新建方法
+     */
     int update(Activity activity);
+
+    /**
+     * Copyright: Copyright (c) 2026
+     *
+     * @MethodName: deleteById
+     * @Description: 根据ID删除活动
+     *
+     * @version: v1.0.0
+     * @author: 刘浩然
+     * @date: 26.4.13
+     *
+     * Modification History:
+     * Date         Author          Version            Description
+     *---------------------------------------------------------*
+     *  26.4.13    刘浩然            v1.0.0               新建方法
+     */
     int deleteById(Long id);
-}
+}

src/com/chinasofti/dao/ActivityRegistrationDAO.java

@@ -1,5 +1,20 @@
 package com.chinasofti.dao;
-
+/**
+ * Copyright: Copyright (c) 2026
+ *
+ * @ClassName: ActivityRegistrationDAO
+ * @Description: 活动登记
+ *
+ * @version: v1.0.0
+ * @author: 刘浩然，李建业
+ * @date: 26.3.13
+ *
+ * Modification History:
+ * Date         Author          Version            Description
+ *---------------------------------------------------------*
+ * 26.3.13       刘浩然          v1.0.0               新建
+ * 26.3.13       李建业          v1.0.0               修改
+ */
 import com.chinasofti.model.Activity;
 import com.chinasofti.model.ActivityRegistration;
 import java.util.List;

src/com/chinasofti/dao/AssistanceLogDAO.java

@@ -1,5 +1,20 @@
 package com.chinasofti.dao;
-
+/**
+ * Copyright: Copyright (c) 2026
+ *
+ * @ClassName: AssistanceLogDAO
+ * @Description: 协助
+ *
+ * @version: v1.0.0
+ * @author: 刘浩然，任盅爵
+ * @date: 26.3.14
+ *
+ * Modification History:
+ * Date         Author          Version            Description
+ *---------------------------------------------------------*
+ * 26.3.14      刘浩然          v1.0.0               新建
+ * 26.3.14      任盅爵          v1.0.0               修改
+ */
 import com.chinasofti.model.AssistanceLog;
 import java.util.List;
 

src/com/chinasofti/dao/BookCopyDAO.java

@@ -1,12 +1,106 @@
 package com.chinasofti.dao;
-
+/**
+ * Copyright: Copyright (c) 2026
+ *
+ * @ClassName: BookCopyDAO
+ * @Description: 副本
+ *
+ * @version: v1.0.0
+ * @author: 任盅爵，刘浩然
+ * @date: 26.3.17
+ *
+ * Modification History:
+ * Date         Author          Version            Description
+ *---------------------------------------------------------*
+ * 26.3.17       任盅爵          v1.0.0               新建
+ * 26.3.17       刘浩然          v1.0.0               修改
+ */
 import com.chinasofti.model.BookCopy;
 import java.util.List;
 
 public interface BookCopyDAO {
+    /**
+     * Copyright: Copyright (c) 2026
+     *
+     * @MethodName: selectByBookId
+     * @Description: 根据图书ID查询副本列表
+     *
+     * @version: v1.0.0
+     * @author: 刘浩然
+     * @date: 26.4.9
+     *
+     * Modification History:
+     * Date         Author          Version            Description
+     *---------------------------------------------------------*
+     *  26.4.9     刘浩然            v1.0.0               新建方法
+     */
     List<BookCopy> selectByBookId(Long bookId);
-    BookCopy selectAvailableByBookId(Long bookId); // 获取一个可借副本
+
+    /**
+     * Copyright: Copyright (c) 2026
+     *
+     * @MethodName: selectAvailableByBookId
+     * @Description: 获取一个可借副本
+     *
+     * @version: v1.0.0
+     * @author: 刘浩然
+     * @date: 26.4.10
+     *
+     * Modification History:
+     * Date         Author          Version            Description
+     *---------------------------------------------------------*
+     *  26.4.10    刘浩然            v1.0.0               新建方法
+     */
+    BookCopy selectAvailableByBookId(Long bookId);
+
+    /**
+     * Copyright: Copyright (c) 2026
+     *
+     * @MethodName: updateStatus
+     * @Description: 更新副本状态
+     *
+     * @version: v1.0.0
+     * @author: 刘浩然
+     * @date: 26.4.11
+     *
+     * Modification History:
+     * Date         Author          Version            Description
+     *---------------------------------------------------------*
+     *  26.4.11    刘浩然            v1.0.0               新建方法
+     */
     int updateStatus(Long copyId, String status);
+
+    /**
+     * Copyright: Copyright (c) 2026
+     *
+     * @MethodName: insert
+     * @Description: 插入副本
+     *
+     * @version: v1.0.0
+     * @author: 刘浩然
+     * @date: 26.4.12
+     *
+     * Modification History:
+     * Date         Author          Version            Description
+     *---------------------------------------------------------*
+     *  26.4.12    刘浩然            v1.0.0               新建方法
+     */
     int insert(BookCopy copy);
+
+    /**
+     * Copyright: Copyright (c) 2026
+     *
+     * @MethodName: countAvailableByBookId
+     * @Description: 统计可借副本数量
+     *
+     * @version: v1.0.0
+     * @author: 刘浩然
+     * @date: 26.4.13
+     *
+     * Modification History:
+     * Date         Author          Version            Description
+     *---------------------------------------------------------*
+     *  26.4.13    刘浩然            v1.0.0               新建方法
+     */
     int countAvailableByBookId(Long bookId);
-}
+}

src/com/chinasofti/dao/BookDAO.java

@@ -1,13 +1,123 @@
 package com.chinasofti.dao;
-
+/**
+ * Copyright: Copyright (c) 2026
+ *
+ * @ClassName: BookDAO
+ * @Description: 书
+ *
+ * @version: v1.0.0
+ * @author: 任盅爵，刘浩然
+ * @date: 26.3.16
+ *
+ * Modification History:
+ * Date         Author          Version            Description
+ *---------------------------------------------------------*
+ * 26.3.16       刘浩然         v1.0.0               新建
+ * 26.3.16       任盅爵         v1.0.0               修改
+ */
 import com.chinasofti.model.Book;
 import java.util.List;
 
 public interface BookDAO {
+    /**
+     * Copyright: Copyright (c) 2026
+     *
+     * @MethodName: selectById
+     * @Description: 根据ID查询图书
+     *
+     * @version: v1.0.0
+     * @author: 刘浩然
+     * @date: 26.4.9
+     *
+     * Modification History:
+     * Date         Author          Version            Description
+     *---------------------------------------------------------*
+     *  26.4.9     刘浩然            v1.0.0               新建方法
+     */
     Book selectById(Long id);
+
+    /**
+     * Copyright: Copyright (c) 2026
+     *
+     * @MethodName: search
+     * @Description: 搜索图书
+     *
+     * @version: v1.0.0
+     * @author: 刘浩然
+     * @date: 26.4.10
+     *
+     * Modification History:
+     * Date         Author          Version            Description
+     *---------------------------------------------------------*
+     *  26.4.10    刘浩然            v1.0.0               新建方法
+     */
     List<Book> search(String isbn, String title, String author, String targetAudience);
+
+    /**
+     * Copyright: Copyright (c) 2026
+     *
+     * @MethodName: selectAll
+     * @Description: 查询所有图书
+     *
+     * @version: v1.0.0
+     * @author: 刘浩然
+     * @date: 26.4.11
+     *
+     * Modification History:
+     * Date         Author          Version            Description
+     *---------------------------------------------------------*
+     *  26.4.11    刘浩然            v1.0.0               新建方法
+     */
     List<Book> selectAll();
+
+    /**
+     * Copyright: Copyright (c) 2026
+     *
+     * @MethodName: insert
+     * @Description: 插入图书
+     *
+     * @version: v1.0.0
+     * @author: 刘浩然
+     * @date: 26.4.12
+     *
+     * Modification History:
+     * Date         Author          Version            Description
+     *---------------------------------------------------------*
+     *  26.4.12    刘浩然            v1.0.0               新建方法
+     */
     int insert(Book book);
+
+    /**
+     * Copyright: Copyright (c) 2026
+     *
+     * @MethodName: update
+     * @Description: 更新图书
+     *
+     * @version: v1.0.0
+     * @author: 刘浩然
+     * @date: 26.4.13
+     *
+     * Modification History:
+     * Date         Author          Version            Description
+     *---------------------------------------------------------*
+     *  26.4.13    刘浩然            v1.0.0               新建方法
+     */
     int update(Book book);
+
+    /**
+     * Copyright: Copyright (c) 2026
+     *
+     * @MethodName: deleteById
+     * @Description: 根据ID删除图书
+     *
+     * @version: v1.0.0
+     * @author: 刘浩然
+     * @date: 26.4.14
+     *
+     * Modification History:
+     * Date         Author          Version            Description
+     *---------------------------------------------------------*
+     *  26.4.14    刘浩然            v1.0.0               新建方法
+     */
     int deleteById(Long id);
-}
+}

src/com/chinasofti/dao/BorrowRecordDAO.java

@@ -1,4 +1,20 @@
 package com.chinasofti.dao;
+/**
+ * Copyright: Copyright (c) 2026
+ *
+ * @ClassName: BorrowRecordDAO
+ * @Description: 借阅记录
+ *
+ * @version: v1.0.0
+ * @author: 任盅爵，刘浩然
+ * @date: 26.3.18
+ *
+ * Modification History:
+ * Date         Author          Version            Description
+ *---------------------------------------------------------*
+ * 26.3.18       任盅爵          v1.0.0               新建
+ * 26.3.18       刘浩然          v1.0.0               修改
+ */
 
 import com.chinasofti.model.BorrowRecord;
 import com.chinasofti.model.view.BorrowRecordVO;
@@ -6,9 +22,88 @@ import java.sql.Date;
 import java.util.List;
 
 public interface BorrowRecordDAO {
+    /**
+     * Copyright: Copyright (c) 2026
+     *
+     * @MethodName: selectByReaderId
+     * @Description: 根据读者ID查询借阅记录
+     *
+     * @version: v1.0.0
+     * @author: 刘浩然
+     * @date: 26.4.9
+     *
+     * Modification History:
+     * Date         Author          Version            Description
+     *---------------------------------------------------------*
+     *  26.4.9     刘浩然            v1.0.0               新建方法
+     */
     List<BorrowRecordVO> selectByReaderId(Long readerId);
+
+    /**
+     * Copyright: Copyright (c) 2026
+     *
+     * @MethodName: selectById
+     * @Description: 根据ID查询借阅记录
+     *
+     * @version: v1.0.0
+     * @author: 刘浩然
+     * @date: 26.4.10
+     *
+     * Modification History:
+     * Date         Author          Version            Description
+     *---------------------------------------------------------*
+     *  26.4.10    刘浩然            v1.0.0               新建方法
+     */
     BorrowRecord selectById(Long id);
+
+    /**
+     * Copyright: Copyright (c) 2026
+     *
+     * @MethodName: insert
+     * @Description: 插入借阅记录
+     *
+     * @version: v1.0.0
+     * @author: 刘浩然
+     * @date: 26.4.11
+     *
+     * Modification History:
+     * Date         Author          Version            Description
+     *---------------------------------------------------------*
+     *  26.4.11    刘浩然            v1.0.0               新建方法
+     */
     int insert(BorrowRecord record);
-    int updateReturnDate(Long id, Date returnDate);   // 改为 java.sql.Date
+
+    /**
+     * Copyright: Copyright (c) 2026
+     *
+     * @MethodName: updateReturnDate
+     * @Description: 更新归还日期
+     *
+     * @version: v1.0.0
+     * @author: 刘浩然
+     * @date: 26.4.12
+     *
+     * Modification History:
+     * Date         Author          Version            Description
+     *---------------------------------------------------------*
+     *  26.4.12    刘浩然            v1.0.0               新建方法
+     */
+    int updateReturnDate(Long id, Date returnDate);
+
+    /**
+     * Copyright: Copyright (c) 2026
+     *
+     * @MethodName: selectByCopyIdAndNotReturned
+     * @Description: 根据副本ID查询未归还的借阅记录
+     *
+     * @version: v1.0.0
+     * @author: 刘浩然
+     * @date: 26.4.13
+     *
+     * Modification History:
+     * Date         Author          Version            Description
+     *---------------------------------------------------------*
+     *  26.4.13    刘浩然            v1.0.0               新建方法
+     */
     BorrowRecord selectByCopyIdAndNotReturned(Long copyId);
-}
+}

src/com/chinasofti/dao/EmployeeDAO.java

@@ -1,14 +1,140 @@
 package com.chinasofti.dao;
-
+/**
+ * Copyright: Copyright (c) 2026
+ *
+ * @ClassName: Employee
+ * @Description: 员工
+ *
+ * @version: v1.0.0
+ * @author: 刘浩然，栾益铭
+ * @date: 26.3.19
+ *
+ * Modification History:
+ * Date         Author          Version            Description
+ *---------------------------------------------------------*
+ * 26.3.19      刘浩然          v1.0.0               新建
+ * 26.3.19      栾益铭          v1.0.0               修改
+ */
 import com.chinasofti.model.Employee;
 import java.util.List;
 
 public interface EmployeeDAO {
+    /**
+     * Copyright: Copyright (c) 2026
+     *
+     * @MethodName: selectById
+     * @Description: 根据ID查询员工
+     *
+     * @version: v1.0.0
+     * @author: 刘浩然
+     * @date: 26.4.9
+     *
+     * Modification History:
+     * Date         Author          Version            Description
+     *---------------------------------------------------------*
+     *  26.4.9     刘浩然            v1.0.0               新建方法
+     */
     Employee selectById(Long id);
+
+    /**
+     * Copyright: Copyright (c) 2026
+     *
+     * @MethodName: selectByCode
+     * @Description: 根据工号查询员工
+     *
+     * @version: v1.0.0
+     * @author: 刘浩然
+     * @date: 26.4.10
+     *
+     * Modification History:
+     * Date         Author          Version            Description
+     *---------------------------------------------------------*
+     *  26.4.10    刘浩然            v1.0.0               新建方法
+     */
     Employee selectByCode(String employeeCode);
+
+    /**
+     * Copyright: Copyright (c) 2026
+     *
+     * @MethodName: selectByCodeAndName
+     * @Description: 根据工号和姓名查询员工
+     *
+     * @version: v1.0.0
+     * @author: 刘浩然
+     * @date: 26.4.11
+     *
+     * Modification History:
+     * Date         Author          Version            Description
+     *---------------------------------------------------------*
+     *  26.4.11    刘浩然            v1.0.0               新建方法
+     */
     Employee selectByCodeAndName(String code, String name);
+
+    /**
+     * Copyright: Copyright (c) 2026
+     *
+     * @MethodName: selectAll
+     * @Description: 查询所有员工
+     *
+     * @version: v1.0.0
+     * @author: 刘浩然
+     * @date: 26.4.12
+     *
+     * Modification History:
+     * Date         Author          Version            Description
+     *---------------------------------------------------------*
+     *  26.4.12    刘浩然            v1.0.0               新建方法
+     */
     List<Employee> selectAll();
+
+    /**
+     * Copyright: Copyright (c) 2026
+     *
+     * @MethodName: insert
+     * @Description: 插入员工
+     *
+     * @version: v1.0.0
+     * @author: 刘浩然
+     * @date: 26.4.13
+     *
+     * Modification History:
+     * Date         Author          Version            Description
+     *---------------------------------------------------------*
+     *  26.4.13    刘浩然            v1.0.0               新建方法
+     */
     int insert(Employee employee);
+
+    /**
+     * Copyright: Copyright (c) 2026
+     *
+     * @MethodName: update
+     * @Description: 更新员工信息
+     *
+     * @version: v1.0.0
+     * @author: 刘浩然
+     * @date: 26.4.14
+     *
+     * Modification History:
+     * Date         Author          Version            Description
+     *---------------------------------------------------------*
+     *  26.4.14    刘浩然            v1.0.0               新建方法
+     */
     int update(Employee employee);
+
+    /**
+     * Copyright: Copyright (c) 2026
+     *
+     * @MethodName: deleteById
+     * @Description: 根据ID删除员工
+     *
+     * @version: v1.0.0
+     * @author: 刘浩然
+     * @date: 26.4.15
+     *
+     * Modification History:
+     * Date         Author          Version            Description
+     *---------------------------------------------------------*
+     *  26.4.15    刘浩然            v1.0.0               新建方法
+     */
     int deleteById(Long id);
-}
+}

src/com/chinasofti/dao/ReaderDAO.java

@@ -1,14 +1,140 @@
 package com.chinasofti.dao;
-
+/**
+ * Copyright: Copyright (c) 2026
+ *
+ * @ClassName: Reader
+ * @Description: 读者
+ *
+ * @version: v1.0.0
+ * @author: 刘浩然，
+ * @date: 26.3.20
+ *
+ * Modification History:
+ * Date         Author          Version            Description
+ *---------------------------------------------------------*
+ * 26.3.20       刘浩然          v1.0.0               新建
+ * 26.3.20       李建业          v1.0.0               修改
+ */
 import com.chinasofti.model.Reader;
 import java.util.List;
 
 public interface ReaderDAO {
+    /**
+     * Copyright: Copyright (c) 2026
+     *
+     * @MethodName: selectById
+     * @Description: 根据ID查询读者
+     *
+     * @version: v1.0.0
+     * @author: 刘浩然
+     * @date: 26.4.9
+     *
+     * Modification History:
+     * Date         Author          Version            Description
+     *---------------------------------------------------------*
+     *  26.4.9     刘浩然            v1.0.0               新建方法
+     */
     Reader selectById(Long id);
+
+    /**
+     * Copyright: Copyright (c) 2026
+     *
+     * @MethodName: selectByCardNumber
+     * @Description: 根据卡号查询读者
+     *
+     * @version: v1.0.0
+     * @author: 刘浩然
+     * @date: 26.4.10
+     *
+     * Modification History:
+     * Date         Author          Version            Description
+     *---------------------------------------------------------*
+     *  26.4.10    刘浩然            v1.0.0               新建方法
+     */
     Reader selectByCardNumber(String cardNumber);
+
+    /**
+     * Copyright: Copyright (c) 2026
+     *
+     * @MethodName: selectAll
+     * @Description: 查询所有读者
+     *
+     * @version: v1.0.0
+     * @author: 刘浩然
+     * @date: 26.4.11
+     *
+     * Modification History:
+     * Date         Author          Version            Description
+     *---------------------------------------------------------*
+     *  26.4.11    刘浩然            v1.0.0               新建方法
+     */
     List<Reader> selectAll();
+
+    /**
+     * Copyright: Copyright (c) 2026
+     *
+     * @MethodName: insert
+     * @Description: 插入读者
+     *
+     * @version: v1.0.0
+     * @author: 刘浩然
+     * @date: 26.4.12
+     *
+     * Modification History:
+     * Date         Author          Version            Description
+     *---------------------------------------------------------*
+     *  26.4.12    刘浩然            v1.0.0               新建方法
+     */
     int insert(Reader reader);
+
+    /**
+     * Copyright: Copyright (c) 2026
+     *
+     * @MethodName: update
+     * @Description: 更新读者信息
+     *
+     * @version: v1.0.0
+     * @author: 刘浩然
+     * @date: 26.4.13
+     *
+     * Modification History:
+     * Date         Author          Version            Description
+     *---------------------------------------------------------*
+     *  26.4.13    刘浩然            v1.0.0               新建方法
+     */
     int update(Reader reader);
+
+    /**
+     * Copyright: Copyright (c) 2026
+     *
+     * @MethodName: deleteById
+     * @Description: 根据ID删除读者
+     *
+     * @version: v1.0.0
+     * @author: 刘浩然
+     * @date: 26.4.14
+     *
+     * Modification History:
+     * Date         Author          Version            Description
+     *---------------------------------------------------------*
+     *  26.4.14    刘浩然            v1.0.0               新建方法
+     */
     int deleteById(Long id);
+
+    /**
+     * Copyright: Copyright (c) 2026
+     *
+     * @MethodName: selectByCardNumberAndName
+     * @Description: 根据卡号和姓名查询读者
+     *
+     * @version: v1.0.0
+     * @author: 刘浩然
+     * @date: 26.4.15
+     *
+     * Modification History:
+     * Date         Author          Version            Description
+     *---------------------------------------------------------*
+     *  26.4.15    刘浩然            v1.0.0               新建方法
+     */
     Reader selectByCardNumberAndName(String cardNumber, String name);
-}
+}