R add isError and isSuccess method

RuoYi

2022-09-12 f5bec709111dcf7a2d9900b19e8b8c5b1162c55c

 ruoyi-common/src/main/java/com/ruoyi/common/constant/Constants.java

@@ -20,6 +20,11 @@
    public static final String GBK = "GBK";



    /**

     * www主域

     */

    public static final String WWW = "www.";



    /**

     * http请求

     */

    public static final String HTTP = "http://";