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Thinkphp中某个字段值从增或自减函数

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2016-06-13 10:40:591044browse

Thinkphp中某个字段值自增或自减函数

Thinkphp中某个字段值自增或自减函数,可以用于文章的浏览量

/** +---------------------- * 某个字段值自增或自减 +---------------------- * @access  +---------------------- * @param string $model 数据表名称 * @param string $fields 自增或自减字段名称 * @param integer $value 自增或自减量,默认为1 * @param boolean $type 布尔值,默认为true自增,为false自减 +---------------------- * @return void +---------------------- */function autoed($id = '',$model = '', $fields = '', $value = '', $type = true) {	if(!empty($fields)) {		if(empty($model)) {			$name = $this->getActionName();			} else {			$name = $model;			}		$model = M($name);		//默认为主键ID		$pk = $model->getPk();		//默认自增自减量为1		$value = !empty($value) ? $value : 1 ;		//默认为true时是自增,为false时自减		$type = $type ? "Inc" : "Dec" ;		switch($type) {			case "Inc":				$model->setInc("$fields", "$pk=$id", $value);				break;			case "Dec":					$model->setDec("$fields", "$pk=$id", $value);				$list = $model->field("$fields")->where("$pk=$id")->find();				if($list[$fields] where("$pk=$id")->setField("$fields",0);				}				break;		}	}}
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