Mybatis之mapper接口多参数方式

public List<User> findUserMap(Map<String, Object> parameterMap);

<select id="findUserMap" parameterType="map" resultType="user">
    <!-- concat：将多个字段连接起来，组成新的字段 -->
    select id,username from user where id=#{id} and username like concat('%',#{username},'%')
</select>

//mapper多参数传入
User findUserOne(@Param(value = "username") String username, @Param("password") String password);

public List<Role> findByMix(@Param("params") RoleParams roleParams, @Param("page") PageParam PageParam);

<select id="findByMix" resultType="role">
    select id, role_name as roleName, note from t_role
    where role_name like concat('%', #{params.roleName}, '%') 
    and note like concat('%', #{params.note}, '%') 
    limit #{page.start}, #{page.limit}
</select>

Integer selectByWriteOffStatus(@RequestParam ("id") String id, @RequestParam("mobileNo") String mobileNo, @RequestParam("writeOffStatus") String writeOffStatus);

public User selectUser(String name, int deptId);

<select id="selectUser" resultMap="UserResultMap">
    select * from user
    where user_name = #{0} and dept_id = #{1}
</select>

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>

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>

public User selectUser(User user);

<select id="selectUser" parameterType="com.jourwon.pojo.User" resultMap="UserResultMap">
    select * from user
    where user_name = #{userName} and dept_id = #{deptId}
</select>