Merge branch 'master' of https://github.com/top-think/framework

library/think/Validate.php

@@ -216,6 +216,17 @@ class Validate
         return $this;
     }
 
+    /**
+     * 判断是否存在某个验证场景
+     * @access public
+     * @param string $name 场景名
+     * @return bool
+     */
+    public function hasScene($name)
+    {
+        return isset($this->scene[$name]);
+    }
+
     /**
      * 设置批量验证
      * @access public