Mybatis查询 返回map集合

Mybatis查询 返回map集合

• 返回一个

  <select id="getReturnMap" parameterType="int" resultType="map">
  	select username,address from users where id=#{id}
  </select>
  

  Map map = new() 类.getReturnMap(3);
  map.get("username");   //返回  查出来的username
  

• 返回多个

  <select id="getReturnListMap" parameterType="int" resultType="map">
  	select username,address from users
  </select>
  

  List<Map> list =  类.getReturnListMap;
  list.forEach(map->System.out.println(map));