HttpUtils.sendPost()方法，参数无需拼接参数到url

ruoyi-common/src/main/java/com/ruoyi/common/utils/http/HttpUtils.java

@@ -118,7 +118,7 @@ public class HttpUtils
         StringBuilder result = new StringBuilder();
         try
         {
-            String urlNameString = url + "?" + param;
+            String urlNameString = url;
             log.info("sendPost - {}", urlNameString);
             URL realUrl = new URL(urlNameString);
             URLConnection conn = realUrl.openConnection();