5.0.4 增加hasScene方法用于檢查是否存在驗證場景

可以在定義驗證規則的時候定義場景，并且驗證不同場景的數據，例如：

$rule = [

‘name’ => ‘require|max:25’,

‘age’ => ‘number|between:1,120′,

’email’ => ’email’,

];

$msg = [

‘name.require’ => ‘名稱必須’,

‘name.max’ => ‘名稱最多不能超過25個字符’,

‘age.number’ => ‘年齡必須是數字’,

‘age.between’ => ‘年齡只能在1-120之間’,

’email’ => ‘郵箱格式錯誤’,

];

$data = [

‘name’ => ‘thinkphp’,

‘age’ => 10,

’email’ => ‘thinkphp@qq.com’,

];

$validate = new Validate($rule);

$validate->scene(‘edit’, [‘name’, ‘age’]);

$result = $validate->scene(‘edit’)->check($data);

表示驗證edit場景（該場景定義只需要驗證name和age字段）。

如果使用了驗證器，可以直接在類里面定義場景，例如：

namespace app\index\validate;

use think\Validate;

class User extends Validate

{

protected $rule = [

‘name’ => ‘require|max:25’,

‘age’ => ‘number|between:1,120′,

’email’ => ’email’,

];

protected $message = [

‘name.require’ => ‘名稱必須’,

‘name.max’ => ‘名稱最多不能超過25個字符’,

‘age.number’ => ‘年齡必須是數字’,

‘age.between’ => ‘年齡只能在1-120之間’,

’email’ => ‘郵箱格式錯誤’,

];

protected $scene = [

‘edit’ => [‘name’,’age’],

];

}

然后再需要驗證的地方直接使用 scene 方法驗證

$data = [

‘name’ => ‘thinkphp’,

‘age’ => 10,

’email’ => ‘thinkphp@qq.com’,

];

$validate = new \app\index\validate\User($rule);

$result = $validate->scene(‘edit’)->check($data);

可以在定義場景的時候對某些字段的規則重新設置，例如：

namespace app\index\validate;

use think\Validate;

class User extends Validate

{

protected $rule = [

‘name’ => ‘require|max:25’,

‘age’ => ‘number|between:1,120′,

’email’ => ’email’,

];

protected $message = [

‘name.require’ => ‘名稱必須’,

‘name.max’ => ‘名稱最多不能超過25個字符’,

‘age.number’ => ‘年齡必須是數字’,

‘age.between’ => ‘年齡只能在1-120之間’,

’email’ => ‘郵箱格式錯誤’,

];

protected $scene = [

‘edit’ => [‘name’,’age’=>’require|number|between:1,120′],

];

}

可以對場景設置一個回調方法，用于動態設置要驗證的字段，例如：

$rule = [

‘name’ => ‘require|max:25’,

‘age’ => ‘number|between:1,120′,

’email’ => ’email’,

];

$msg = [

‘name.require’ => ‘名稱必須’,

‘name.max’ => ‘名稱最多不能超過25個字符’,

‘age.number’ => ‘年齡必須是數字’,

‘age.between’ => ‘年齡只能在1-120之間’,

’email’ => ‘郵箱格式錯誤’,

];

$data = [

‘name’ => ‘thinkphp’,

‘age’ => 10,

’email’ => ‘thinkphp@qq.com’,

];

$validate = new Validate($rule);

$validate->scene(‘edit’, function($key,$data){

return ’email’==$key && isset($data[‘id’])? true : false;

});

$result = $validate->scene(‘edit’)->check($data);

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