validator

src/UniqueValidator.php

@@ -0,0 +1,43 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: qv
+ * Date: 2018/10/16 0016
+ * Time: 10:24
+ */
+declare(strict_types=1);
+
+namespace validator;
+
+
+class UniqueValidator extends BaseValidator
+{
+
+	/**
+	 * @return bool
+	 * @throws
+	 * 检查是否存在
+	 */
+	public function trigger(): bool
+	{
+		$param = $this->getParams();
+		if (empty($param) || !isset($param[$this->field])) {
+			return TRUE;
+		}
+
+		if (empty($this->model)) {
+			return $this->addError('Model error.');
+		}
+
+		$model = $this->model;
+		if (!$this->model->getIsCreate()) {
+			return true;
+		}
+		if ($model::find()->where([$this->field => $param[$this->field]])->exists()) {
+			return $this->addError('The :attribute \'' . $param[$this->field] . '\' is exists!');
+		}
+		return $this->isFail = TRUE;
+	}
+
+
+}