mybatis和Spring结合例子

package com.bls.dao.impl; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import org.springframework.context.ApplicationContext; import org.springframework.context.support.ClassPathXmlApplicationContext; import com.bls.bean.UserBean; import com.bls.dao.UserInfoDao; public class UserInfoDaoImpl implements UserInfoDao { private static ApplicationContext ctx; static UserInfoDao userInfoMapper=null; static{ ctx=new ClassPathXmlApplicationContext("applicationContext.xml"); userInfoMapper=(UserInfoDao) ctx.getBean("userInfoMapper"); } //查询总数 public int getUserCount(){ int count=0; // count=userInfoMapper.getUserCount(); count=userInfoMapper.getUserCount(); return count; } //查询所有用户信息 public List<UserBean> getUserInfo(){ List<UserBean> listuser=new ArrayList<UserBean>(); // listuser=userInfoMapper.getUserInfo(); listuser=userInfoMapper.getUserInfo(); return listuser; } //根据条件查询用户信息 public UserBean getUserByName(HashMap<String, String> map){ map.put("username", "kk"); UserBean userBean=new UserBean(); // userBean=userInfoMapper.getUserByName(map); userBean=userInfoMapper.getUserByName(map); return userBean; } public static void main(String[] args) { Map<String, String> map=new HashMap<String, String>(); UserInfoDaoImpl userInfoDaoImpl=new UserInfoDaoImpl(); UserBean userBean=new UserBean(); List<UserBean> listuser=new ArrayList<UserBean>(); System.out.println(); System.out.println("---------------------"); System.out.println("总数："+userInfoDaoImpl.getUserCount()); System.out.println("---------------------"); listuser=userInfoDaoImpl.getUserInfo(); for(UserBean ub:listuser){ System.out.println("用户名："+ub.getUsername()+" "+"密码："+ub.getPassword()); } System.out.println("---------------------"); System.out.println(); userBean=userInfoDaoImpl.getUserByName((HashMap<String, String>) map); System.out.println("用户名："+userBean.getUsername()+" "+"密码："+userBean.getPassword()); } }