mybatis框架的分页功能

需求说明：为用户管理之查询用户列表功能增加分页实现列表结果按照创建时间降序排列

/**
* 需求说明：为用户管理之查询用户列表功能增加分页实现列表结果按照创建时间降序排列
* @param roleids
* @return
*/
public List<User> getUserListByPage(@Param("usercode")String usercode,@Param("userName")String userName,@Param("userRole")Integer userRole,@Param("pageSize")Integer pageSize,@Param("currentPage")Integer currentPage);

<select id="getUserListByPage" resultMap="userList" >
　　select * from smbms_user a,smbms_role r where 1=1 and a.userrole=r.id
　　　　<if test=" userName!=null and userName!='' "> and a.userName like concat('%',#{userName},'%') </if>
　　　　<if test=" userRole!=null and userRole!='' "> and a.userrole=#{userRole} </if>
　　order by a.creationdate desc limit #{currentPage},#{pageSize}
</select>

<resultMap type="User" id="userList">
　　<result property="id" column="id"/>
　　<result property="userCode" column="userCode"/>
　　<result property="userName" column="userName"/>
　　<result property="phone" column="phone"/>
　　<result property="birthday" column="birthday"/>
　　<result property="gender" column="gender"/>
　　<result property="userRole" column="userRole"/>
　　
</resultMap>

 1     //mybatis分页
 2         @Test
 3         public void testGetUserListByPage(){
 4             SqlSession sqlSession = null;
 5             String usercode="";
 6             String userName="";
 7             Integer userRole=3;
 8             Integer pageSize=5;
 9             Integer currentPage=0;//mysql数据库默认起步是从0开始
10             List<User> userListShow=new ArrayList<User>();
11             try {
12         
13                 sqlSession = MyBatisUtil.createSqlSession();
14                 userListShow = sqlSession.getMapper(UserMapper.class).getUserListByPage(usercode,userName,userRole,pageSize,currentPage);
15                 
16             } catch (Exception e) {
17                 // TODO: handle exception
18                 e.printStackTrace();
19             }finally{
20                 MyBatisUtil.closeSqlSession(sqlSession);
21             }
22             for(User user: userListShow){
23                 logger.debug("testGetUserListByPage UserCode: " + user.getUserCode() + " and UserName: " + user.getUserName()+"and userRole:"+user.getUserRole());
24             }
25         
26                 
27         }
28

运行结果：

 1 [DEBUG] 2019-12-22 17:53:33,894 cn.smbms.dao.user.UserMapper.getUserListByPage - ==>  Preparing: select * from smbms_user a,smbms_role r where 1=1 and a.userrole=r.id and a.userrole=? order by a.creationdate desc limit ?,? 
 2 [DEBUG] 2019-12-22 17:53:33,911 cn.smbms.dao.user.UserMapper.getUserListByPage - ==> Parameters: 3(Integer), 0(Integer), 5(Integer)
 3 [DEBUG] 2019-12-22 17:53:33,925 org.apache.ibatis.transaction.jdbc.JdbcTransaction - Resetting autocommit to true on JDBC Connection [com.mysql.jdbc.JDBC4Connection@4a738d08]
 4 [DEBUG] 2019-12-22 17:53:33,925 org.apache.ibatis.transaction.jdbc.JdbcTransaction - Closing JDBC Connection [com.mysql.jdbc.JDBC4Connection@4a738d08]
 5 [DEBUG] 2019-12-22 17:53:33,925 org.apache.ibatis.datasource.pooled.PooledDataSource - Returned connection 1249086728 to pool.
 6 [DEBUG] 2019-12-22 17:53:33,926 cn.smbms.dao.user.UserMapperTest - testGetUserListByPage UserCode: sunxing and UserName: 孙兴and userRole:3
 7 [DEBUG] 2019-12-22 17:53:33,926 cn.smbms.dao.user.UserMapperTest - testGetUserListByPage UserCode: zhangchen and UserName: 张晨and userRole:3
 8 [DEBUG] 2019-12-22 17:53:33,926 cn.smbms.dao.user.UserMapperTest - testGetUserListByPage UserCode: dengchao and UserName: 邓超and userRole:3
 9 [DEBUG] 2019-12-22 17:53:33,926 cn.smbms.dao.user.UserMapperTest - testGetUserListByPage UserCode: zhaoyan and UserName: 赵燕and userRole:3
10 [DEBUG] 2019-12-22 17:53:33,926 cn.smbms.dao.user.UserMapperTest - testGetUserListByPage UserCode: sunlei and UserName: 孙磊and userRole:3

mybatis框架的分页功能

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