演示yml

zyy

2025-12-16 09fa0b6d38a97f3e89cb30aa2d4b0030bbcb5b6a

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<?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.yami.trading.dao.chat.OtcMessageUserMapper">
 
 
    <select id="getCustomerUnReadCount" resultType="java.lang.Integer">
        SELECT sum(customer_unreadmsg) FROM `t_otc_message_user`
    </select>
 
</mapper>