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                ## 數量獲取(必須) > 圖片演示: ![](https://img.kancloud.cn/da/41/da415faca05ea4d1a962ba2928731925_1594x469.png) ![](https://img.kancloud.cn/a9/fe/a9fe043fd48e8c41bed5a4d69a477d37_1615x316.png) > 說明: 返回表格狀態數量,及對應狀態和篩選條件下的數據總條數。 方法:`count($callable)` * 參數 **callable** (必須),為 callable 閉包。 ```php count(function($filter){...}); ``` * 參數 * **filter** array 類型 篩選條件集合,固定元素包含如下元素: // 當前表格狀態欄key $state=$filter['state']; // 當前選中數據行id集合數組 $ids=$filter['ids']; * 返回值 int 類型 > 示例: | 狀態 | 篩選表單 | 表頭| | --- | --- | --- | | 正常(11) | `姓名` | `姓名`、`添加時間`| | 回收站(22) | `姓名` | `姓名`、`添加時間`| 構建上述表單。方法如下: ```php $builder=YT('general_example')->state([ 11=>'正常', 22=>'回收站' ]) ->filter(function($state){ $filter = [ 'name'=>['title'=>'姓名'] ]; return $filter; }) ->cols(function($state){ $cols = [ 'id'=>['type'=>'checkbox'], 'name'=>['title'=>'姓名'], 'create_time'=>['title'=>'添加時間', 'align'=>'center', 'hide'=>'mobile_hide_hide','templet'=>'datetime'], ]; return $cols; }) ->count(function($filter){ // 固定參數 $state=$filter['state']; $ids=$filter['ids']; // 篩選表單參數 $name=$filter['name']; $whereArr=[]; $whereArr[]=$state?['state','eq',$state]:['state','neq',DbRowState::REMOVED]; if($ids) $whereArr[]=['id','in',$ids]; if($name) $whereArr[]=['name','like','%'.$name_cn.'%']; return Db::name('test')->where($whereArr)->count(); }) ```
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