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

Example 1 with CountryMapper

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

the class PageRowBoundsTest method testMapperWithPageRowBounds.

/**
     * 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 testMapperWithPageRowBounds() {
    SqlSession sqlSession = RowBoundsHelper.getSqlSession();
    CountryMapper countryMapper = sqlSession.getMapper(CountryMapper.class);
    try {
        //获取第1页，10条内容，默认查询总数count
        PageRowBounds pageRowBounds = new PageRowBounds(0, 10);
        List<Country> list = countryMapper.selectAll(pageRowBounds);
        //新增PageInfo对象，对返回结果进行封装
        assertEquals(10, list.size());
        assertEquals(183L, pageRowBounds.getTotal().longValue());
        //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
        pageRowBounds = new PageRowBounds(90, 10);
        list = countryMapper.selectAll(pageRowBounds);
        assertEquals(10, list.size());
        assertEquals(183L, pageRowBounds.getTotal().longValue());
        //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
        pageRowBounds = new PageRowBounds(100, 20);
        list = countryMapper.selectAll(pageRowBounds);
        assertEquals(20, list.size());
        assertEquals(183L, pageRowBounds.getTotal().longValue());
        //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 2 with CountryMapper

use of com.github.pagehelper.mapper.CountryMapper 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 = RowBoundsHelper.getSqlSession();
    CountryMapper countryMapper = sqlSession.getMapper(CountryMapper.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<Country> list = countryMapper.selectAll(new RowBounds(0, -1));
        assertEquals(183, list.size());
        //pageSize<0的时候同上
        list = countryMapper.selectAll(new RowBounds(0, -100));
        assertEquals(183, list.size());
    } finally {
        sqlSession.close();
    }
}

Example 3 with CountryMapper

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

the class ArgumentsMapTest method testArgumentsMap.

/**
     * 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 testArgumentsMap() {
    SqlSession sqlSession = MybatisHelper.getSqlSession();
    CountryMapper countryMapper = sqlSession.getMapper(CountryMapper.class);
    try {
        List<Country> list = countryMapper.selectByPageNumSizeOrderBy(1, 10, "id desc");
        assertEquals(10, list.size());
        assertEquals(183, ((Page<?>) list).getTotal());
        list = countryMapper.selectByPageNumSize(2, 10);
        assertEquals(10, list.size());
        assertEquals(183, ((Page<?>) list).getTotal());
        list = countryMapper.selectByPageNumSize(3, 20);
        assertEquals(20, list.size());
        assertEquals(183, ((Page<?>) list).getTotal());
    } finally {
        sqlSession.close();
    }
}

Example 4 with CountryMapper

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

the class TestIntMax method testCountCache.

/**
     * 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 testCountCache() {
    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, Integer.MAX_VALUE);
        List<Country> list = countryMapper.selectIf(1);
        assertEquals(2, list.get(0).getId());
        assertEquals(182, list.size());
        assertEquals(182, ((Page<?>) list).getTotal());
        //获取第1页，10条内容，默认查询总数count
        PageHelper.startPage(1, Integer.MAX_VALUE);
        list = countryMapper.selectIf(null);
        assertEquals(1, list.get(0).getId());
        assertEquals(183, list.size());
        assertEquals(183, ((Page<?>) list).getTotal());
    } finally {
        sqlSession.close();
    }
}

Example 5 with CountryMapper

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

the class CacheTest method testMapperWithStartPage.

/**
     * 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 testMapperWithStartPage() {
    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.selectGreterThanId(10);
        assertEquals(10, list.size());
        //获取第1页，10条内容，默认查询总数count
        PageHelper.startPage(2, 10);
        list = countryMapper.selectGreterThanIdAndNotEquelContryname(10, "china");
        assertEquals(10, list.size());
        //获取第1页，10条内容，默认查询总数count
        PageHelper.startPage(3, 10);
        list = countryMapper.selectGreterThanIdAndNotEquelContryname(10, "china");
        assertEquals(10, list.size());
        //获取第1页，10条内容，默认查询总数count
        PageHelper.startPage(4, 10);
        list = countryMapper.selectGreterThanIdAndNotEquelContryname(10, "china");
        assertEquals(10, list.size());
        //获取第1页，10条内容，默认查询总数count
        PageHelper.startPage(5, 10);
        list = countryMapper.selectGreterThanIdAndNotEquelContryname(10, "china");
        assertEquals(10, list.size());
    } finally {
        sqlSession.close();
    }
}