1.22
今天实现接触数据库的Mapper类
package com.example.mapper; import com.example.pojo.Application; import com.example.pojo.Baoxiao; import com.example.pojo.Staff; import org.apache.ibatis.annotations.*; import java.time.LocalDateTime; import java.util.List; @Mapper public interface UserMapper { @Select("select * from finaltest.staff where UserID=#{username} and Password=#{password}") Staff getByUser(String username, String password); @Select("select * from finaltest.staff where UserID=#{username}") Staff getName(String username); @Select("select COUNT(*) from finaltest.application where id like Concat(#{id},'%')") int count(String id); @Insert("insert into finaltest.application(id, name, department, destination, departuredate, returndate, type, typecontent, reason, state) VALUES (#{id},#{name},#{department},#{destination},#{departureDate},#{returnDate},#{type},#{typeContent},#{reason},#{state})") void add1(String id, String name, String department, String destination, LocalDateTime departureDate, LocalDateTime returnDate, String type, String typeContent, String reason, String state); @Update("UPDATE finaltest.application SET destination=#{destination}, " + "departureDate=#{departureDate}, returnDate=#{returnDate}, " + "type=#{type}, typecontent=#{typeContent}, reason=#{reason},state=#{state} " + "WHERE id=#{id} AND name=#{name} AND department=#{department}") void update1(String id, String name, String department, String destination, LocalDateTime departureDate, LocalDateTime returnDate, String type, String typeContent, String reason, String state); @Select("select * from finaltest.application where id=#{id} and state=#{state} ") Application reasonable(String id, String state); @Delete("delete from finaltest.application where id=#{id}") void delete(String id); @Insert("insert into finaltest.baoxiao (ID, Name, Department, Destination, Departuredate, Returndate, Reason, Startfare, Returnfare, Foodallowance, Localtrans, Accommodation, Totalamount, Schedule) VALUES(#{ID},#{name},#{department},#{destination},#{departureDate},#{returnDate},#{reason},#{startFare},#{returnFare},#{foodAllowance},#{localTrans},#{accommodation},#{totalAmount},#{schedule}) ") void add2(String ID, String name, String department, String destination, LocalDateTime departureDate, LocalDateTime returnDate, String reason, int startFare, int returnFare, int foodAllowance, int localTrans, int accommodation, int totalAmount, String schedule); @Select("select COUNT(*) from finaltest.baoxiao where ID like concat(#{id},'%')") int pay1(String id); @Select("select * from finaltest.baoxiao where ID=#{id} and Schedule=#{state} ") Baoxiao examine(String id, String state); @Update("UPDATE finaltest.baoxiao SET destination=#{destination}, " + "departureDate=#{departureDate}, returnDate=#{returnDate}, " + "Startfare=#{startFare}, Returnfare=#{returnFare}, reason=#{reason},Foodallowance=#{foodAllowance}, Accommodation=#{accommodation},Totalamount=#{totalAmount},Schedule=#{schedule} " + "WHERE id=#{id} AND name=#{name} AND department=#{department}") void update2(String id, String name, String department, String destination, LocalDateTime departureDate, LocalDateTime returnDate, String reason, int startFare, int returnFare, int foodAllowance, int localTrans, int accommodation, int totalAmount, String schedule); @Select("select * from finaltest.application where name=#{name}") List<Application> selectApp(String name); @Select("select * from finaltest.baoxiao where name=#{name}") List<Baoxiao> selectBao(String name); @Select("select * from finaltest.application where department=#{id}") List<Application> select1(String id); @Update("update finaltest.application set state=#{state} where id=#{id}") void updateById(String id, String state); @Update("update finaltest.baoxiao set Schedule=#{state} where id=#{id}") void updateById2(String id, String state); }