原文地址:
https://mp.weixin.qq.com/s?__biz=MzI3ODcxMzQzMw==&mid=2247485137&idx=1&sn=8b6fa49dccc01b040c24749375e88a4f&chksm=eb5383e7dc240af15943519938f33da919436464b3182a70fec0ed3196a8761bf85594c6c0e6&scene=21#wechat_redirect
1.Mybatis提供的注释@Param
public User selectUser(@Param("userName") String name, int @Param("deptId") deptId);
<select id="selectUser" resultMap="UserResultMap">
select * from user
where user_name = #{userName} and dept_id = #{deptId}
</select>
2.Map传参
public User selectUser(Map<String, Object> params);
<select id="selectUser" parameterType="java.util.Map" resultMap="UserResultMap">
select * from user
where user_name = #{userName} and dept_id = #{deptId}
</select>
3.Java Bean传参
public User selectUser(User user);
<select id="selectUser" parameterType="com.test.User" resultMap="UserResultMap">
select * from user
where user_name = #{userName} and dept_id = #{deptId}
</select>
4.顺序传参
public User selectUser(String name, int deptId);
<select id="selectUser" resultMap="UserResultMap">
select * from user
where user_name = #{0} and dept_id = #{1}
</select>