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## 验证场景 |版本|新增功能| |---|---| |5.0.4|增加`hasScene`方法用于检查是否存在验证场景| 可以在定义验证规则的时候定义场景,并且验证不同场景的数据,例如: ~~~ $rule = [ 'name' => 'require|max:25', 'age' => 'number|between:1,120', 'email' => 'email', ]; $msg = [ 'name.require' => '名称必须', 'name.max' => '名称最多不能超过25个字符', 'age.number' => '年龄必须是数字', 'age.between' => '年龄只能在1-120之间', 'email' => '邮箱格式错误', ]; $data = [ 'name' => 'thinkphp', 'age' => 10, 'email' => 'thinkphp@qq.com', ]; $validate = new Validate($rule); $validate->scene('edit', ['name', 'age']); $result = $validate->scene('edit')->check($data); ~~~ 表示验证edit场景(该场景定义只需要验证name和age字段)。 如果使用了验证器,可以直接在类里面定义场景,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' => '名称必须', 'name.max' => '名称最多不能超过25个字符', 'age.number' => '年龄必须是数字', 'age.between' => '年龄只能在1-120之间', 'email' => '邮箱格式错误', ]; protected $scene = [ 'edit' => ['name','age'], ]; } ~~~ 然后再需要验证的地方直接使用 scene 方法验证 ~~~ $data = [ 'name' => 'thinkphp', 'age' => 10, 'email' => 'thinkphp@qq.com', ]; $validate = new \app\index\validate\User($rule); $result = $validate->scene('edit')->check($data); ~~~ 可以在定义场景的时候对某些字段的规则重新设置,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' => '名称必须', 'name.max' => '名称最多不能超过25个字符', 'age.number' => '年龄必须是数字', 'age.between' => '年龄只能在1-120之间', 'email' => '邮箱格式错误', ]; protected $scene = [ 'edit' => ['name','age'=>'require|number|between:1,120'], ]; } ~~~ 可以对场景设置一个回调方法,用于动态设置要验证的字段,例如: ~~~ $rule = [ 'name' => 'require|max:25', 'age' => 'number|between:1,120', 'email' => 'email', ]; $msg = [ 'name.require' => '名称必须', 'name.max' => '名称最多不能超过25个字符', 'age.number' => '年龄必须是数字', 'age.between' => '年龄只能在1-120之间', 'email' => '邮箱格式错误', ]; $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); ~~~