validator

src/EmptyValidator.php

@@ -0,0 +1,55 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: whwyy
+ * Date: 2018/4/3 0003
+ * Time: 15:46
+ */
+
+declare(strict_types=1);
+
+
+namespace validator;
+
+
+class EmptyValidator extends BaseValidator
+{
+	
+	/** @var string [不能为空] */
+	const CAN_NOT_EMPTY = 'not empty';
+	
+	/** @var string [可为空, 不能为null] */
+	const CAN_NOT_NULL = 'not null';
+
+	public string $method;
+	
+	/**
+	 * @return bool
+	 *
+	 * 检查参数是否为NULL
+	 */
+	public function trigger(): bool
+	{
+		$param = $this->getParams();
+		if (empty($param) || !isset($param[$this->field])) {
+			return $this->addError(':attribute not exists');
+		}
+		
+		$value = $param[$this->field];
+		
+		switch (strtolower($this->method)) {
+			case self::CAN_NOT_EMPTY:
+				if (strlen($value) < 1) {
+					return $this->addError('The :attribute can not empty.');
+				}
+				break;
+			case self::CAN_NOT_NULL:
+				if ($value === null) {
+					return $this->addError('The :attribute can not is null.');
+				}
+				break;
+		}
+		
+		return true;
+	}
+}