1

import java.util.ArrayList;
import java.util.List;

import org.apache.ibatis.session.SqlSession;

import cn.itcast.javaee.mybatis.util.MybatisUtil;

/**
 * 持久层 
 * @author AdminTC
 */
public class StudentDao {
    /**
     * 插入学生
     */
    public void dynaInsert(Student student) throws Exception{
        SqlSession sqlSession = null;
        try{
            sqlSession = MybatisUtil.getSqlSession();
            sqlSession.insert("studentNamespace.dynaInsert",student);
            sqlSession.commit();
        }catch(Exception e){
            e.printStackTrace();
            sqlSession.rollback();
            throw e;
        }finally{
            MybatisUtil.closeSqlSession();
        }
    }

    public static void main(String[] args) throws Exception{
        StudentDao dao = new StudentDao();
        //dao.dynaInsert(new Student(1,"哈哈",7000D));//insert into 表名(*,*,*) values(?,?,?)
        //dao.dynaInsert(new Student(2,"哈哈",null));//insert into 表名(*,*) values(?,?)
        //dao.dynaInsert(new Student(3,null,7000D));//insert into 表名(*,*) values(?,?)
        dao.dynaInsert(new Student(4,null,null));//insert into 表名(*) values(?)
    }
}

2

   

    
        
        
        
    

    
    
        
        
            
                students_id,
            
            
                students_name,
            
            
                students_sal,
            
        
    

    
    
        
        
            
                #{id},
            
            
                #{name},
            
            
                #{sal},
            
        
    

    
    
        insert into students() values()
    

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