mybatis-parameterType传入map条件方式
作者：冰雪奇缘lb
这篇文章主要介绍了mybatis-parameterType传入map条件方式,具有很好的参考价值,希望对大家有所帮助,如有错误或未考虑完全的地方,望不吝赐教
mybatis parameterType传入map条件
mapper类（dao层）
package com.gyf.mapper;
import com.gyf.model.User;
import com.gyf.vo.UserQueryVO;
import java.util.List;
import java.util.Map;
public interface UserMapper {
public List<User> findUserByMap(Map<String, Object> map);
}
userMapper.xml配置文件
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper
PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.gyf.mapper.UserMapper">
<select id="findUserByMap" parameterType="hashmap" resultType="user">
SELECT u.* FROM user u
WHERE username like '%${username}%' and sex = #{sex}
</select>
</mapper>
测试类
package com.gyf.test;
import com.gyf.mapper.UserMapper;
import com.gyf.model.User;
import com.gyf.vo.UserQueryVO;
import org.apache.ibatis.io.Resources;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import java.io.IOException;
import java.io.InputStream;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class Demo05 {
SqlSession session;
@Before
public void before() throws IOException {
//读取配置文件
InputStream is = Resources.getResourceAsStream("SqlMapConfig.xml");
//通过SqlSessionFactoryBuilder创建SqlSessionFactory会话工厂
SqlSessionFactory sessionFactory = new SqlSessionFactoryBuilder().build(is);
session = sessionFactory.openSession();
}
@After
public void after(){
session.close();
}
@Test
public void test2() throws IOException {
//查找用户
//通过session拿到接口的代理，代理可以直接转为接口
UserMapper userMapper = session.getMapper(UserMapper.class);
Map<String,Object> map = new HashMap<String, Object>();
map.put("username","张");
map.put("sex","1");
List<User> users = userMapper.findUserByMap(map);
System.out.println(users);
}
}
总结
以上为个人经验，希望能给大家一个参考，也希望大家多多支持脚本之家。