Examples with UserMapper com.github.pagehelper.mapper.UserMapper used on opensource projects

Example 51 with UserMapper

use of com.github.pagehelper.mapper.UserMapper in project Mybatis-PageHelper by pagehelper.

the class TestLeftjoin method testLeftjoin.

/**
 * left join的count查询sql特殊
 */
@Test
public void testLeftjoin() {
    SqlSession sqlSession = MybatisHelper.getSqlSession();
    UserMapper userMapper = sqlSession.getMapper(UserMapper.class);
    try {
        // 获取第1页，10条内容，默认查询总数count
        PageHelper.startPage(1, 10);
        List<User> list = userMapper.selectLeftjoin();
        assertEquals(1, list.get(0).getId());
        assertEquals(10, list.size());
        assertEquals(183, ((Page<?>) list).getTotal());
        // 获取第1页，10条内容，默认查询总数count
        PageHelper.startPage(2, 10);
        list = userMapper.selectLeftjoin();
        assertEquals(11, list.get(0).getId());
        assertEquals(10, list.size());
        assertEquals(183, ((Page<?>) list).getTotal());
    } finally {
        sqlSession.close();
    }
}

Example 52 with UserMapper

use of com.github.pagehelper.mapper.UserMapper in project Mybatis-PageHelper by pagehelper.

the class TestWith method testUnion.

/**
 * with的count查询sql特殊 - 只测试oracle,别的可能不支持
 */
@Test
public void testUnion() throws Exception {
    SqlSession sqlSession = MybatisHelper.getSqlSession();
    UserMapper userMapper = sqlSession.getMapper(UserMapper.class);
    // 只测试oracle
    if (!TestUtil.getXmlPath().equalsIgnoreCase("oracle")) {
        return;
    }
    try {
        // 获取第1页，10条内容，默认查询总数count
        PageHelper.startPage(1, 10);
        List<User> list = userMapper.selectWith();
        assertEquals(151, list.get(0).getId());
        assertEquals(10, list.size());
        assertEquals(33, ((Page<?>) list).getTotal());
        // 获取第1页，10条内容，默认查询总数count
        PageHelper.startPage(2, 10);
        list = userMapper.selectWith();
        assertEquals(161, list.get(0).getId());
        assertEquals(10, list.size());
        assertEquals(33, ((Page<?>) list).getTotal());
    } finally {
        sqlSession.close();
    }
}

Example 53 with UserMapper

use of com.github.pagehelper.mapper.UserMapper in project Mybatis-PageHelper by pagehelper.

the class RowBoundsTest method testMapperWithRowBounds.

/**
 * 使用Mapper接口调用时，对接口增加RowBounds参数，不需要修改对应的xml配置（或注解配置）
 * <p/>
 * RowBounds方式不进行count查询，可以通过修改Page代码实现
 * <p/>
 * 这种情况下如果同时使用startPage方法，以startPage为准
 */
@Test
public void testMapperWithRowBounds() {
    SqlSession sqlSession = RowBoundsHelper.getSqlSession();
    UserMapper userMapper = sqlSession.getMapper(UserMapper.class);
    try {
        // 获取第1页，10条内容，默认查询总数count
        List<User> list = userMapper.selectAll(new RowBounds(0, 10));
        // 新增PageInfo对象，对返回结果进行封装
        assertEquals(10, list.size());
        // 判断查询结果的位置是否正确
        assertEquals(1, list.get(0).getId());
        assertEquals(10, list.get(list.size() - 1).getId());
        // 获取第10页，10条内容，显式查询总数count
        list = userMapper.selectAll(new RowBounds(90, 10));
        assertEquals(10, list.size());
        // 判断查询结果的位置是否正确
        assertEquals(91, list.get(0).getId());
        assertEquals(100, list.get(list.size() - 1).getId());
        // 获取第3页，20条内容，默认查询总数count
        list = userMapper.selectAll(new RowBounds(100, 20));
        assertEquals(20, list.size());
        // 判断查询结果的位置是否正确
        assertEquals(101, list.get(0).getId());
        assertEquals(120, list.get(list.size() - 1).getId());
    } finally {
        sqlSession.close();
    }
}

Example 54 with UserMapper

use of com.github.pagehelper.mapper.UserMapper in project Mybatis-PageHelper by pagehelper.

the class IPageTest method testIPage.

@Test
public void testIPage() {
    SqlSession sqlSession = MybatisHelper.getSqlSession();
    UserMapper userMapper = sqlSession.getMapper(UserMapper.class);
    try {
        UserIPage queryModel = new UserIPage();
        queryModel.setPageNum(1);
        queryModel.setPageSize(10);
        queryModel.setOrderBy("id desc");
        List<User> list = userMapper.selectByQueryModel(queryModel);
        assertEquals(10, list.size());
        assertEquals(183, ((Page<?>) list).getTotal());
        queryModel.setPageNum(2);
        queryModel.setOrderBy(null);
        list = userMapper.selectByQueryModel(queryModel);
        assertEquals(10, list.size());
        assertEquals(183, ((Page<?>) list).getTotal());
        queryModel.setPageNum(null);
        queryModel.setPageSize(null);
        queryModel.setOrderBy("id asc");
        list = userMapper.selectByQueryModel(queryModel);
        assertEquals(1, list.get(0).getId());
        assertEquals(183, list.size());
        assertEquals(183, ((Page<?>) list).getTotal());
    } finally {
        sqlSession.close();
    }
}

Example 55 with UserMapper

use of com.github.pagehelper.mapper.UserMapper in project Mybatis-PageHelper by pagehelper.

the class TestUnion method testUnion.

/**
 * union的count查询sql特殊
 */
@Test
public void testUnion() {
    SqlSession sqlSession = MybatisHelper.getSqlSession();
    UserMapper userMapper = sqlSession.getMapper(UserMapper.class);
    try {
        // 获取第1页，10条内容，默认查询总数count
        PageHelper.startPage(1, 10);
        List<User> list = userMapper.selectUnion();
        assertEquals(1, list.get(0).getId());
        assertEquals(10, list.size());
        assertEquals(13, ((Page<?>) list).getTotal());
        // 获取第1页，10条内容，默认查询总数count
        PageHelper.startPage(2, 10);
        list = userMapper.selectUnion();
        assertEquals(181, list.get(0).getId());
        assertEquals(3, list.size());
        assertEquals(13, ((Page<?>) list).getTotal());
    } finally {
        sqlSession.close();
    }
}