Examples with PageInfo com.github.pagehelper.PageInfo used on opensource projects

Example 16 with PageInfo

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

the class PageSizeZeroTest method testWithStartPage.

/**
 * 使用Mapper接口调用时，使用PageHelper.startPage效果更好，不需要添加Mapper接口参数
 */
@Test
public void testWithStartPage() {
    SqlSession sqlSession = MybatisPageSizeZeroHelper.getSqlSession();
    UserMapper userMapper = sqlSession.getMapper(UserMapper.class);
    try {
        // pageSize=0的时候查询全部结果
        PageHelper.startPage(1, 0);
        List<User> list = userMapper.selectAll();
        PageInfo<User> page = new PageInfo<User>(list);
        assertEquals(183, list.size());
        assertEquals(183, page.getTotal());
        // pageSize=0的时候查询全部结果
        PageHelper.startPage(10, 0);
        list = userMapper.selectAll();
        page = new PageInfo<User>(list);
        assertEquals(183, list.size());
        assertEquals(183, page.getTotal());
    } finally {
        sqlSession.close();
    }
}

Example 17 with PageInfo

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

the class PageSizeZeroTest method testWithRowbounds.

/**
 * 使用Mapper接口调用时，使用PageHelper.startPage效果更好，不需要添加Mapper接口参数
 */
@Test
public void testWithRowbounds() {
    SqlSession sqlSession = MybatisPageSizeZeroHelper.getSqlSession();
    UserMapper userMapper = sqlSession.getMapper(UserMapper.class);
    try {
        // pageSize=0的时候查询全部结果
        List<User> list = userMapper.selectAll(new RowBounds(1, 0));
        PageInfo<User> page = new PageInfo<User>(list);
        assertEquals(183, list.size());
        assertEquals(183, page.getTotal());
        // pageSize=0的时候查询全部结果
        PageHelper.startPage(10, 0);
        list = userMapper.selectAll(new RowBounds(1000, 0));
        page = new PageInfo<User>(list);
        assertEquals(183, list.size());
        assertEquals(183, page.getTotal());
    } finally {
        sqlSession.close();
    }
}

Example 18 with PageInfo

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

the class RowBoundsTest method testWithRowboundsAndCountTrue.

/**
 * 使用Mapper接口调用时，使用PageHelper.startPage效果更好，不需要添加Mapper接口参数
 */
@Test
public void testWithRowboundsAndCountTrue() {
    SqlSession sqlSession = MybatisRowBoundsHelper.getSqlSession();
    UserMapper userMapper = sqlSession.getMapper(UserMapper.class);
    try {
        // limit=0,这时候相当于用分页插件求count,但是前提必须是配置rounbounds方式求count，否则都是-1
        // 这里由于没有配置，应该都是-1
        List<User> list = userMapper.selectAll(new RowBounds(1, -1));
        PageInfo<User> page = new PageInfo<User>(list);
        assertEquals(0, list.size());
        assertEquals(183, page.getTotal());
        // pageSize<0的时候同上
        list = userMapper.selectAll(new RowBounds(1, -100));
        page = new PageInfo<User>(list);
        assertEquals(0, list.size());
        assertEquals(183, page.getTotal());
    } finally {
        sqlSession.close();
    }
}

Example 19 with PageInfo

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

the class AutoDialectTest method test.

@Test
public void test() {
    SqlSession sqlSession = MybatisAutoDialectHelper.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.selectAll();
        System.out.println(list);
        PageInfo<User> page = new PageInfo<User>(list);
        assertEquals(1, page.getPageNum());
        assertEquals(10, page.getPageSize());
        assertEquals(1, page.getStartRow());
        assertEquals(10, page.getEndRow());
        assertEquals(183, page.getTotal());
        assertEquals(19, page.getPages());
        assertEquals(true, page.isIsFirstPage());
        assertEquals(false, page.isIsLastPage());
        assertEquals(false, page.isHasPreviousPage());
        assertEquals(true, page.isHasNextPage());
        PageSerializable<User> serializable = PageSerializable.of(list);
        assertEquals(183, serializable.getTotal());
        // 获取第2页，10条内容，默认查询总数count
        PageHelper.startPage(2, 10);
        list = userMapper.selectAll();
        page = new PageInfo<User>(list);
        assertEquals(2, page.getPageNum());
        assertEquals(10, page.getPageSize());
        assertEquals(11, page.getStartRow());
        assertEquals(20, page.getEndRow());
        assertEquals(183, page.getTotal());
        assertEquals(19, page.getPages());
        assertEquals(false, page.isIsFirstPage());
        assertEquals(false, page.isIsLastPage());
        assertEquals(true, page.isHasPreviousPage());
        assertEquals(true, page.isHasNextPage());
        // 获取第19页，10条内容，默认查询总数count
        PageHelper.startPage(19, 10);
        list = userMapper.selectAll();
        page = new PageInfo<User>(list);
        assertEquals(19, page.getPageNum());
        assertEquals(10, page.getPageSize());
        assertEquals(181, page.getStartRow());
        assertEquals(183, page.getEndRow());
        assertEquals(183, page.getTotal());
        assertEquals(19, page.getPages());
        assertEquals(false, page.isIsFirstPage());
        assertEquals(true, page.isIsLastPage());
        assertEquals(true, page.isHasPreviousPage());
        assertEquals(false, page.isHasNextPage());
    } finally {
        sqlSession.close();
    }
}

Example 20 with PageInfo

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

the class OffsetTest method testOffset.

@Test
public void testOffset() {
    SqlSession sqlSession = MybatisHelper.getSqlSession();
    UserMapper userMapper = sqlSession.getMapper(UserMapper.class);
    try {
        PageHelper.startPage(1, 6);
        List<User> list = userMapper.selectAll();
        assertEquals(6, list.size());
        assertEquals(183, ((Page<?>) list).getTotal());
        PageHelper.offsetPage(6, 20);
        list = userMapper.selectAll();
        PageInfo<User> pageInfo = new PageInfo<User>(list);
        System.out.println(pageInfo.toString());
        assertEquals(2, ((Page<?>) list).getPageNum());
        assertEquals(20, list.size());
        assertEquals(183, ((Page<?>) list).getTotal());
        PageHelper.offsetPage(1, 180);
        list = userMapper.selectAll();
        pageInfo = new PageInfo<User>(list);
        System.out.println(pageInfo.toString());
        assertEquals(2, ((Page<?>) list).getPageNum());
        assertEquals(180, list.size());
        assertEquals(183, ((Page<?>) list).getTotal());
        PageHelper.offsetPage(0, Integer.MAX_VALUE);
        list = userMapper.selectAll();
        pageInfo = new PageInfo<User>(list);
        System.out.println(pageInfo.toString());
        assertEquals(1, ((Page<?>) list).getPageNum());
        assertEquals(183, list.size());
        assertEquals(183, ((Page<?>) list).getTotal());
    } finally {
        sqlSession.close();
    }
}