tongxun/Account.java

package com.msb.mapper;

import com.msb.pojo.UserData;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface Account {
    //进行查询的函数
    @Select("select * from UserData where 账号=#{param1};")
    public List<UserData> find(String zhanghao);
    //进行更新的函数
    @Update("update UserData set 我们要修改的值  where 我们选中要修改的值;")
    public Integer update();
    //进行插入的函数
    @Insert("insert into UserData values(我们要插入的新值);")
    public Integer insert();
    //进行删除的函数
    @Delete(" delete from UserData where 账号=#{param1} ;")
    public Integer delete(String zhanghao);
    @Insert("insert into UserData(对应的值) select replace(账号,账号,#{param2}), 要插入的值 from UserData where 账号=#{param1};")
    public Integer share(String zhanghao_src,String zhanghao_dst);
}