Examples with Country com.github.pagehelper.model.Country used on opensource projects

Example 46 with Country

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

the class PageHelperTest method testNamespaceWithRowBounds.

/**
     * 使用命名空间方式的RowBounds进行分页，使用RowBounds时不进行count查询
     * 通过修改代码可以进行count查询，没法通过其他方法改变参数
     * 因为如果通过调用一个别的方法来标记count查询，还不如直接startPage
     * <p/>
     * 同时使用startPage时，以startPage为准，会根据startPage参数来查询
     */
@Test
public void testNamespaceWithRowBounds() {
    SqlSession sqlSession = MybatisHelper.getSqlSession();
    try {
        //获取从0开始，10条内容
        List<Country> list = sqlSession.selectList("selectAll", null, new RowBounds(0, 10));
        assertEquals(10, list.size());
        assertEquals(183, ((Page<?>) list).getTotal());
        //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());
        //获取从10开始，10条内容
        list = sqlSession.selectList("selectAll", null, new RowBounds(10, 10));
        assertEquals(10, list.size());
        assertEquals(183, ((Page<?>) list).getTotal());
        //判断查询结果的位置是否正确
        assertEquals(11, list.get(0).getId());
        assertEquals(20, list.get(list.size() - 1).getId());
        //获取从20开始，20条内容
        list = sqlSession.selectList("selectAll", null, new RowBounds(20, 20));
        assertEquals(20, list.size());
        assertEquals(183, ((Page<?>) list).getTotal());
        //判断查询结果的位置是否正确
        assertEquals(21, list.get(0).getId());
        assertEquals(40, list.get(list.size() - 1).getId());
        //同时使用startPage和RowBounds时，以startPage为准
        PageHelper.startPage(1, 20);
        list = sqlSession.selectList("selectAll", null, new RowBounds(0, 10));
        assertEquals(20, list.size());
        assertEquals(183, ((Page<?>) list).getTotal());
        //判断查询结果的位置是否正确
        assertEquals(1, list.get(0).getId());
        assertEquals(20, list.get(list.size() - 1).getId());
    } finally {
        sqlSession.close();
    }
}

Example 47 with Country

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

the class PageHelperTest method testNamespaceWithStartPage.

/**
     * 使用命名空间调用时，使用PageHelper.startPage
     * <p/>
     * startPage第三个参数可以控制是(true)否(false)执行count查询，使用两个查询的startPage时默认进行count查询
     * <p/>
     * 使用startPage方法时，如果同时使用RowBounds，以startPage为准
     */
@Test
public void testNamespaceWithStartPage() {
    SqlSession sqlSession = MybatisHelper.getSqlSession();
    try {
        //获取第1页，10条内容，默认查询总数count
        PageHelper.startPage(1, 10);
        List<Country> list = sqlSession.selectList("selectAll");
        assertEquals(10, list.size());
        assertEquals(183, ((Page<?>) list).getTotal());
        //获取第2页，10条内容，显式查询总数count
        PageHelper.startPage(2, 10, true);
        list = sqlSession.selectList("selectAll");
        assertEquals(10, list.size());
        assertEquals(183, ((Page<?>) list).getTotal());
        //获取第2页，10条内容，不查询总数count
        PageHelper.startPage(2, 10, false);
        list = sqlSession.selectList("selectAll");
        assertEquals(10, list.size());
        assertEquals(-1, ((Page<?>) list).getTotal());
        //获取第3页，20条内容，默认查询总数count
        PageHelper.startPage(3, 20);
        list = sqlSession.selectList("selectAll");
        assertEquals(20, list.size());
        assertEquals(183, ((Page<?>) list).getTotal());
    } finally {
        sqlSession.close();
    }
}

Example 48 with Country

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

the class PageInfoTest method testNavigatePages.

/**
     * 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 testNavigatePages() {
    SqlSession sqlSession = MybatisHelper.getSqlSession();
    CountryMapper countryMapper = sqlSession.getMapper(CountryMapper.class);
    try {
        //获取第1页，10条内容，默认查询总数count
        PageHelper.startPage(1, 10);
        List<Country> list = countryMapper.selectAll();
        PageInfo<Country> page = new PageInfo<Country>(list, 20);
        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(1, page.getFirstPage());
        assertEquals(19, page.getLastPage());
        assertEquals(true, page.isIsFirstPage());
        assertEquals(false, page.isIsLastPage());
        assertEquals(false, page.isHasPreviousPage());
        assertEquals(true, page.isHasNextPage());
        //获取第2页，50条内容，默认查询总数count
        PageHelper.startPage(2, 50);
        list = countryMapper.selectAll();
        page = new PageInfo<Country>(list, 2);
        assertEquals(2, page.getPageNum());
        assertEquals(50, page.getPageSize());
        assertEquals(51, page.getStartRow());
        assertEquals(100, page.getEndRow());
        assertEquals(183, page.getTotal());
        assertEquals(4, page.getPages());
        assertEquals(1, page.getFirstPage());
        assertEquals(2, page.getLastPage());
        assertEquals(false, page.isIsFirstPage());
        assertEquals(false, page.isIsLastPage());
        assertEquals(true, page.isHasPreviousPage());
        assertEquals(true, page.isHasNextPage());
    } finally {
        sqlSession.close();
    }
}

Example 49 with Country

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

the class RemoveOrderTest method paramsOrderTest.

@Test
public void paramsOrderTest() {
    SqlSession sqlSession = MybatisHelper.getSqlSession();
    CountryMapper countryMapper = sqlSession.getMapper(CountryMapper.class);
    //主要观看查询执行count查询的sql
    try {
        PageHelper.startPage(1, 50);
        List<Country> list = countryMapper.selectAllOrderByParams("countryname", "countrycode");
        //总数183
        Assert.assertEquals(183, ((Page<?>) list).getTotal());
    } finally {
        sqlSession.close();
    }
}

Example 50 with Country

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

the class RemoveOrderTest method simpleOrderTest.

@Test
public void simpleOrderTest() {
    SqlSession sqlSession = MybatisHelper.getSqlSession();
    CountryMapper countryMapper = sqlSession.getMapper(CountryMapper.class);
    //主要观看查询执行count查询的sql
    try {
        PageHelper.startPage(1, 50);
        List<Country> list = countryMapper.selectAllOrderby();
        //总数183
        Assert.assertEquals(183, ((Page<?>) list).getTotal());
    } finally {
        sqlSession.close();
    }
}