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["name","value","description"]
["url","index.php?m=who&c=trade&a=publish","发布交易贴"]
["send"]
["id","用户id"]
["msg","文字内容"]
["type","类型，1为供求，2位需求"]
["pic","图片id，多个图片用逗号分隔，如：11,12,13"]
["priority","置顶道具数量"]
["priority_type","置顶道具类型"]
["room_id","地区房间id，如果没有传空字符串"]
["response"]
["id","交易贴id"]