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对于一个已存在的值，需要置空，如何传参 #49

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对于一个已存在的值，需要置空，如何传参#49

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@gaochengyidlmu
gaochengyidlmu
opened on Aug 13, 2018

例如用户预约日期字段，用户原先选择了一个日期，保存成功。
后来用户想暂时移除该日期，于是删除了选择的日期，此时前端将该字段以 NULL 形式告知后端，该字段已被删除。
但此时 parameter 做校验时，即使标识了 required = false, allowEmpty = true，仍然会报错。

Activity

  1. trylovetom commented on Mar 2, 2019

    @trylovetom
    trylovetom
    on Mar 2, 2019

    Same here
    (required = false) cannt work with (allowEmpty = true)

  2. enjoyWeb commented on Jan 3, 2020

    @enjoyWeb
    enjoyWeb
    on Jan 3, 2020

    同问呀，前端传的字段是null，但是后端配置了type=int,required = false, allowEmpty = true，会报错呀

  3. fengmk2 commented on Jan 3, 2020

    @fengmk2
    fengmk2
    on Jan 3, 2020
    Member

    能否提供一个报错的例子？

  4. enjoyWeb commented on Jan 3, 2020

    @enjoyWeb
    enjoyWeb
    on Jan 3, 2020

    能否提供一个报错的例子？
    前端传参{sort: null}，
    后端eggjs在controller校验规则为sort: { type: 'int', required: false, allowEmpty: true}，
    报错{"message":"should be an integer","code":"invalid","field":"sort"}

  5. konglingwen94 commented on Dec 10, 2020

    @konglingwen94
    konglingwen94
    on Dec 10, 2020

    同问+1

  6. konglingwen94 commented on Dec 10, 2020

    @konglingwen94
    konglingwen94
    on Dec 10, 2020

    同问+1

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