Spring集成MyBatis 通用Mapper以及 pagehelper分页插件

package com.test.service.impl; import java.util.List; import javax.annotation.Resource; import org.junit.Test; import org.junit.runner.RunWith; import org.springframework.test.context.ContextConfiguration; import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; import com.github.pagehelper.PageHelper; import com.github.pagehelper.PageInfo; import com.test.entity.User; import com.test.service.UserService; @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(locations = { "classpath*:/spring-jdbc.xml" }) public class UserServiceImplTest { @Resource(name = "userServiceImpl") public UserService userService; @Test public void testCount() { try { System.out.println(userService.count()); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } } @Test public void queryList() { List<User> queryList = userService.queryList(); for (User user : queryList) { System.out.println(user.getUserName()); } } @Test public void pageHelper() { // 获取第1页，10条内容，默认查询总数count PageHelper.startPage(1, 1000);// 紧跟着的第一个select方法会被分页 // 取分页信息 List<User> queryList = userService.queryList(); System.out.println(queryList.size()); PageInfo<User> pageInfo = new PageInfo<User>(queryList); long total = pageInfo.getTotal(); //获取总记录数 System.out.println(total); } }