Yii2 使用核心验证器:比对日期值,新增验证规则(条件式验证:当一个日期值不为空时,另一个日期值必填)
1、实现一个获取文章列表的接口,需要基于日期控件查询数据,如图1
2、验证规则配置如下
1 2 3 | [ 'from_created_at' , 'datetime' , 'format' => 'php:Y-m-d H:i:s' , 'timestampAttribute' => 'from_created_at' , 'on' => 'index' ], //index [ 'to_created_at' , 'datetime' , 'format' => 'php:Y-m-d H:i:s' , 'timestampAttribute' => 'to_created_at' , 'on' => 'index' ], //index [ 'from_created_at' , 'compare' , 'compareAttribute' => 'to_created_at' , 'operator' => '<' , 'enableClientValidation' => false], //index |
3、from_created_at、to_created_at皆为空,验证通过,如图2
4、日期(datetime,例:2017-03-03 12:05:54):from_created_at、to_created_at;验证不通过,如图3
1 2 3 4 | { "code": 20004, "message": "数据验证失败:属性 From Created At 的格式无效。" } |
5、比对日期值(from_created_at < to_created_at):from_created_at, to_created_at;验证不通过,如图4
1 2 3 4 | { "code": 20004, "message": "数据验证失败:From Created At的值必须小于\"To Created At\"。" } |
6、如果from_created_at不为空,to_created_at为空,验证不通过,如图5
1 2 3 4 | { "code": 20004, "message": "数据验证失败:From Created At的值必须小于\"To Created At\"。" } |
7、如果from_created_at为空,to_created_at不为空,验证通过,不符合预期,预期:或者皆为空,或者皆不为空
8、验证规则配置如下,只有在一个日期值不为空时,才验证另一个日期值为必填
1 2 3 4 5 6 7 8 9 | [ 'from_created_at' , 'datetime' , 'format' => 'php:Y-m-d H:i:s' , 'timestampAttribute' => 'from_created_at' , 'on' => 'index' ], //index [ 'to_created_at' , 'datetime' , 'format' => 'php:Y-m-d H:i:s' , 'timestampAttribute' => 'to_created_at' , 'on' => 'index' ], //index [ 'from_created_at' , 'required' , 'when' => function ( $model ) { return ! empty ( $model ->to_created_at); }], //index [ 'to_created_at' , 'required' , 'when' => function ( $model ) { return ! empty ( $model ->from_created_at); }], //index [ 'from_created_at' , 'compare' , 'compareAttribute' => 'to_created_at' , 'operator' => '<' , 'enableClientValidation' => false], //index |
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