如何在yii2中过滤日期字段

问题描述

我想过滤3个月前，6个月前，1年之前的Date列。
我已经在gridview的搜索字段中创建了一个下拉菜单，如下所示。

I want to filter Date column like 3 months ago, 6 months ago, 1 year ago.I have created a dropdown in search field of gridview as given below.

[
    'attribute' => 'modified',
    'value'     => 'name',
    'filter'    => array("ID1" => "Before Three months",
                         "ID2" => "Before six months",
                         "ID"  => "Before Twelve months",),
],

，在modelsearch中，我想要搜索...

and in modelsearch I want to search like...

if (($this->modified) == "ID1"){
    $query->andFilterWhere(['between', $this->modified, 'today', '3monthsago']);
}

但我不知道今天的3个月西米应该代替什么？
如何计算并在查询中传递此变量？

but I can't understand what should be there in place of today 3monthsago ?how to calculate and pass this variables in query??

推荐答案

将此添加到模型搜索中

$today = date('Y-m-d H:i:s',time());
if (($this->modified)=="ID1"){
    $endDate = date('Y-m-d H:i:s', strtotime('-3 months'));
    $query->andFilterWhere(['between', 'contacts.modified', $today, $endDate]);
}elseif (($this->modified)=="ID2") {
    $endDate = date('Y-m-d H:i:s', strtotime('-6 months'));
    $query->andFilterWhere(['between', 'contacts.modified', $today, $endDate]);
}elseif (($this->modified)=="ID") {
    $endDate = date('Y-m-d H:i:s', strtotime('-12 months'));
    $query->andFilterWhere(['between', 'contacts.modified', $today, $endDate]);
}

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