随机字符串生成算法

haoban-manage3-service/src/main/java/com/gic/haoban/manage/service/util/SignatureGetterUtil.java

@@ -32,7 +32,6 @@ public class SignatureGetterUtil {
             }
             str += param + "&";
         }
-        System.out.println(str);
         return str.substring(0, str.length() - 1);
     }