Laravel 4:验证复选框至少一个 [英] Laravel 4: validate checkbox at least one

问题描述

我需要验证复选框数组:

I need to validate checkbox array:

<input name="cats[]" type="checkbox" value="1"> sport
<input name="cats[]" type="checkbox" value="2"> music
<input name="cats[]" type="checkbox" value="3"> business

我在文档中发现了数组"验证:

I found "array" validation in documentation:

Validator::make( 
    [ 'cats' => Input::get('cats') ],
    [ 'cats' => 'array' ]
);

是否有内置的方法来检查是否至少检查了一项?另外，如何检查提交的值是否与给定列表匹配?

Is there any built-in way to check if at least one item checked? Also, how to check if values submitted match a given list?

推荐答案

您可以使用min: value 来验证数字值，也可以使用它来验证数组的大小.

You can use min:value to validate a numeric value and you can also use it to validate an array's size.

Validator::make( 
    [ 'cats' => Input::get('cats') ],
    [ 'cats' => 'min:1' ]
);

示例:

$validator = Validator::make([
    'cats' => ['Boots', 'Mittens', 'Snowball']
    ], ['cats' => 'min: 1']);

$result = $validator->fails(); // returns false

$validator = Validator::make([
    'cats' => ['Boots', 'Mittens', 'Snowball']
    ], ['cats' => 'min: 2']);

$result = $validator->fails(); // returns false

$validator = Validator::make([
    'cats' => ['Boots', 'Mittens', 'Snowball']
    ], ['cats' => 'min: 4']);

$result = $validator->fails(); // returns true

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