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今天遇到了一个简单的场景，需要sql连接两个字段显示。语法是这样的SELECT CONCAT_WS(' ',snh.userneeds, snh.beizhu) AS con... 1970-01-01T08:00:00+08:00 Typecho https://blog.iletter.top/index.php/feed/atom/archives/152.html