add:新增请求过滤空值方法

extend/catcher/base/CatchRequest.php

@@ -6,7 +6,7 @@ namespace catcher\base;
 use app\Request;
 use catcher\exceptions\FailedException;
 use catcher\exceptions\ValidateFailedException;
-use think\App;
+use catcher\Utils;
 
 class CatchRequest extends Request
 {
@@ -89,4 +89,22 @@ class CatchRequest extends Request
         return parent::post($name, $default, $filter); // TODO: Change the autogenerated stub
     }
 
+    /**
+     * 过滤空字段
+     *
+     * @time 2021年01月16日
+     * @return $this
+     */
+    public function filterEmptyField(): CatchRequest
+    {
+        if ($this->isGet()) {
+            $this->get = Utils::filterEmptyValue($this->get);
+        } elseif ($this->isPost()) {
+            $this->post =  Utils::filterEmptyValue($this->post);
+        } else {
+            $this->put =  Utils::filterEmptyValue($this->put);
+        }
+
+        return $this;
+    }
 }