use of org.apache.ibatis.session.RowBounds 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();
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(1, -1));
PageInfo<Country> page = new PageInfo<Country>(list);
assertEquals(0, list.size());
assertEquals(183, page.getTotal());
//pageSize<0的时候同上
list = countryMapper.selectAll(new RowBounds(1, -100));
page = new PageInfo<Country>(list);
assertEquals(0, list.size());
assertEquals(183, page.getTotal());
} finally {
sqlSession.close();
}
}
use of org.apache.ibatis.session.RowBounds in project Activiti by Activiti.
the class TableDataManager method getTablePage.
@SuppressWarnings("unchecked")
public TablePage getTablePage(TablePageQueryImpl tablePageQuery, int firstResult, int maxResults) {
TablePage tablePage = new TablePage();
@SuppressWarnings("rawtypes") List tableData = getDbSqlSession().getSqlSession().selectList("selectTableData", tablePageQuery, new RowBounds(firstResult, maxResults));
tablePage.setTableName(tablePageQuery.getTableName());
tablePage.setTotal(getTableCount(tablePageQuery.getTableName()));
tablePage.setRows((List<Map<String, Object>>) tableData);
tablePage.setFirstResult(firstResult);
return tablePage;
}
use of org.apache.ibatis.session.RowBounds 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();
CountryMapper countryMapper = sqlSession.getMapper(CountryMapper.class);
try {
//获取第1页,10条内容,默认查询总数count
List<Country> list = countryMapper.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 = countryMapper.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 = countryMapper.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();
}
}
use of org.apache.ibatis.session.RowBounds in project Mybatis-PageHelper by pagehelper.
the class BasicTest method testNamespace1.
@Test
public void testNamespace1() {
SqlSession sqlSession = MybatisRowBoundsHelper.getSqlSession();
try {
Map<String, Object> map = new HashMap<String, Object>();
Country country = new Country();
country.setCountryname("China");
map.put("country", country);
//同时测试不可变Map
map = Collections.unmodifiableMap(map);
List<Country> list = sqlSession.selectList("select1", map, new RowBounds(1, 10));
assertEquals(1, list.size());
//判断查询结果的位置是否正确
assertEquals(35, list.get(0).getId());
} finally {
sqlSession.close();
}
}
use of org.apache.ibatis.session.RowBounds in project Mybatis-PageHelper by pagehelper.
the class PageSizeLessThenOrEqualZeroTest 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() {
//注意这里是MybatisRowBoundsHelper,会求count
SqlSession sqlSession = MybatisHelper.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
List<Country> list = countryMapper.selectAll(new RowBounds(1, -1));
PageInfo<Country> page = new PageInfo<Country>(list);
assertEquals(0, list.size());
assertEquals(183, page.getTotal());
//limit<0的时候同上
list = countryMapper.selectAll(new RowBounds(1, -100));
page = new PageInfo<Country>(list);
assertEquals(0, list.size());
assertEquals(183, page.getTotal());
} finally {
sqlSession.close();
}
}
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