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  • MyBatis框架的insert节点向数据库中插入数据

    需求:使用mybatis框架中的insert元素节点向数据库中插入数据

    UserMapper.xml

     UserMapper.java

     编写测试方法:

     1 @Test
     2     public void testAddUser() throws ParseException {
     3         SqlSession sqlSession = null;
     4         User user=new User();
     5         user.setUserCode("admin");
     6         user.setAddress("中国河北省张家口市");
     7         user.setGender(1);
     8         user.setUserName("小黑");
     9         user.setBirthday(new SimpleDateFormat("yyyy-MM-dd").parse("2019-10-24"));//注意要转化成date类型的数据
    10         user.setUserPassword("111111");
    11         int count=0;//返回受影响的行数
    12         try {
    13             sqlSession = MyBatisUtil.createSqlSession();
    14             //使用mapper映射的方式实现
    15             //userList2 = sqlSession.selectList("cn.smbms.dao.user.UserMapper.getUserListByUserName",userNameString);
    16             //调用mapper接口的方式实现
    17              count= sqlSession.getMapper(UserMapper.class).addUser(user);
    18             // int i=1/0;//模拟异常  后台日志打印出rolling back表示没有插入成功,事务进行了回滚
    19              mlogger.info("返回受影响的行数:" + count);
    20             sqlSession.commit();//后台日志打印出rolling back表示没有提交事务,事务进行了回滚,所以必须得提交事务才行
    21         } catch (Exception e) {
    22             // TODO: handle exception
    23         } finally {
    24             // 最后一定要注意:关闭会话
    25             MyBatisUtil.closeSqlSession(sqlSession);
    26 
    27         }
    28         
    29 
    30     }

    运行结果:

    1 [DEBUG] 2019-11-04 23:10:17,824 org.apache.ibatis.datasource.pooled.PooledDataSource - Created connection 304840113.
    2 [DEBUG] 2019-11-04 23:10:17,834 cn.smbms.dao.user.UserMapper.addUser - ooo Using Connection [com.mysql.jdbc.JDBC4Connection@122b7db1]
    3 [DEBUG] 2019-11-04 23:10:17,834 cn.smbms.dao.user.UserMapper.addUser - ==>  Preparing: insert into smbms_user(userName,userPassword,userCode,gender,birthday,address) values(?,?,?,?,?,?) 
    4 [DEBUG] 2019-11-04 23:10:17,944 cn.smbms.dao.user.UserMapper.addUser - ==> Parameters: 小黑(String), 111111(String), admin(String), 1(Integer), 2019-10-24 00:00:00.0(Timestamp), 中国河北省张家口市(String)
    5 [INFO] 2019-11-04 23:10:17,954 cn.smbms.dao.test.UserMapperTest - 返回受影响的行数:1
    6 [DEBUG] 2019-11-04 23:10:17,954 org.apache.ibatis.transaction.jdbc.JdbcTransaction - Committing JDBC Connection [com.mysql.jdbc.JDBC4Connection@122b7db1]
    7 [DEBUG] 2019-11-04 23:10:17,954 org.apache.ibatis.transaction.jdbc.JdbcTransaction - Resetting autocommit to true on JDBC Connection [com.mysql.jdbc.JDBC4Connection@122b7db1]
    8 [DEBUG] 2019-11-04 23:10:17,954 org.apache.ibatis.transaction.jdbc.JdbcTransaction - Closing JDBC Connection [com.mysql.jdbc.JDBC4Connection@122b7db1]
    9 [DEBUG] 2019-11-04 23:10:17,954 org.apache.ibatis.datasource.pooled.PooledDataSource - Returned connection 304840113 to pool.
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  • 原文地址:https://www.cnblogs.com/dongyaotou/p/11795674.html
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