feat:增加body提交方式

@@ -25,7 +25,7 @@ class Curl
     }
 
     //post 获取数据
-    static public function httpPost($url, $param = [], $header = [])
+    static public function httpPost($url, $param = [], $header = [], $asBody = false)
     {
         if (empty($url)) {
             return false;
@@ -45,7 +45,24 @@ class Curl
             }
         }
 
-        $opts[CURLOPT_POSTFIELDS] = $isJson ? json_encode($param) : http_build_query($param);
+        if ($asBody) {
+            // form-data格式提交
+            $boundary = '----WebKitFormBoundary' . uniqid();
+            $body = '';
+            foreach ($param as $key => $value) {
+                var_dump($key, $value);
+                $body .= "--$boundary\r\n";
+                $body .= "Content-Disposition: form-data; name=\"$key\"\r\n\r\n";
+                $body .= "$value\r\n";
+            }
+            var_dump($body);
+            $body .= "--$boundary--\r\n";
+            $opts[CURLOPT_POSTFIELDS] = $body;
+            $header[] = "Content-Type: multipart/form-data; boundary=$boundary";
+            curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
+        } else {
+            $opts[CURLOPT_POSTFIELDS] = $isJson ? json_encode($param) : http_build_query($param);
+        }
 
         curl_setopt_array($ch, $opts);
         $output = curl_exec($ch);
@@ -55,6 +72,7 @@ class Curl
         curl_close($ch);
         return $output;
     }
+
     //delete 请求
     static public function httpDelete($url, $param = [], $header = [])
     {