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                `order`方法用于對操作的結果排序或者優先級限制。 用法如下: ~~~ Db::table('user') ->where('status', 1) ->order('id', 'desc') ->limit(5) ->select(); ~~~ ~~~ SELECT * FROM `user` WHERE `status` = 1 ORDER BY `id` desc LIMIT 5 ~~~ >[danger] 如果沒有指定`desc`或者`asc`排序規則的話,默認為`asc`。 支持使用數組對多個字段的排序,例如: ~~~ Db::table('user') ->where('status', 1) ->order(['order','id'=>'desc']) ->limit(5) ->select(); ~~~ 最終的查詢SQL可能是 ~~~ SELECT * FROM `user` WHERE `status` = 1 ORDER BY `order`,`id` desc LIMIT 5 ~~~ 對于更新數據或者刪除數據的時候可以用于優先級限制 ~~~ Db::table('user') ->where('status', 1) ->order('id', 'desc') ->limit(5) ->delete(); ~~~ 生成的SQL ~~~ DELETE FROM `user` WHERE `status` = 1 ORDER BY `id` desc LIMIT 5 ~~~ 如果你需要在`order`方法中使用mysql函數的話,必須使用下面的方式: ~~~ Db::table('user') ->where('status', 1) ->orderRaw("field(name,'thinkphp','onethink','kancloud')") ->limit(5) ->select(); ~~~
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