chat-server/adminnew/target/classes/mybatis/xbd/ChannelUsersMapper.xml

<?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.juxiao.xchat.module.xbd.mapper.operation.ChannelUsersMapper" >

    <delete id="deleteByChannelId" parameterType="java.lang.Long" >
        delete from channel_users
       where channel_id = #{channelId}
    </delete>
    <insert id="InsertChannelUsers">
        INSERT INTO channel_users
        (channel_id, uid)
        VALUES
        <foreach item='value' index='index' collection='list' separator=','>
            (#{channelId}, #{value})
        </foreach>
    </insert>


    <select id="listUsersIdByChannelId" resultType="java.lang.Long">
        select uid from channel_users where channel_id = #{channelId}
  </select>


    <select id="listByChannelId" resultType="com.juxiao.xchat.module.xbd.domain.users.Users">
      select u.uid,u.erban_no as erbanNo,u.nick,u.avatar
      from channel_users cu left join users u on cu.uid = u.uid
      where channel_id = #{channelId}
  </select>

    <delete id="deleteByChannelIdAndUid"  >
        delete from channel_users WHERE channel_id = #{channelId} AND uid = #{uid}
    </delete>

</mapper>