会不会碰到这样一种情况呢？每次获取数据将数据和历史版本都有一定的差别，然而用ThinkPHP的addAll()函数，却会将已有的数据删掉再重新写入。这明显不是我们想要的。但自己写sql每次几十个字段也是醉了。如何优雅而又轻松地实现sql的自动生成呢？于是有了下面这个方法。 /** * [array_to_sql 根据数组key和value拼接成需要的sql] * ...

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云数据库SQL Server，具有企业许可授权，权限更为开放，引擎功能更为强大。能完美支持Windows平台的.NET架构，支持复杂SQL查询，性能优秀，并有强大的可视化管理工具，帮助您轻松管理数据。

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