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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                ## 快捷方法 系統封裝了一系列快捷方法,用于簡化查詢,包括: | 方法 | 作用 | | --- | --- | | `whereOr` | 字段OR查詢 | | `whereXor` | 字段XOR查詢 | | `whereNull` | 查詢字段是否為Null | | `whereNotNull` | 查詢字段是否不為Null | | `whereIn` | 字段IN查詢 | | `whereNotIn` | 字段NOT IN查詢 | | `whereBetween` | 字段BETWEEN查詢 | | `whereNotBetween` | 字段NOT BETWEEN查詢 | | `whereLike` | 字段LIKE查詢 | | `whereNotLike` | 字段NOT LIKE查詢 | | `whereExists` | EXISTS條件查詢 | | `whereNotExists` | NOT EXISTS條件查詢 | | `whereExp` | 表達式查詢 | | `whereColumn` | 比較兩個字段 | 下面舉例說明下兩個字段比較的查詢條件`whereColumn`方法的用法。 查詢`update_time`大于`create_time`的用戶數據 ~~~ Db::table('think_user') ->whereColumn('update_time','>','create_time') ->select(); ~~~ 生成的SQL語句是: ~~~ SELECT * FROM `think_user` WHERE ( `update_time` > `create_time` ) ~~~ 查詢`name`和`nickname`相同的用戶數據 ~~~ Db::table('think_user') ->whereColumn('name','=','nickname') ->select(); ~~~ 生成的SQL語句是: ~~~ SELECT * FROM `think_user` WHERE ( `name` = `nickname` ) ~~~ 相同字段條件也可以簡化為 ~~~ Db::table('think_user') ->whereColumn('name','nickname') ->select(); ~~~ 支持數組方式比較多個字段 ~~~ Db::name('user')->whereColumn([ ['title', '=', 'name'], ['update_time', '>=', 'create_time'], ])->select(); ~~~ 生成的SQL語句是: ~~~ SELECT * FROM `think_user` WHERE ( `name` = `nickname` AND `update_time` > `create_time` ) ~~~
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