add isError and isSuccess method

RuoYi

2022-09-12 07dda8f5d6315e5c373ac04ee32a97ea61f941d1

 src/main/java/com/ruoyi/project/system/domain/SysMenu.java

@@ -232,7 +232,7 @@
    {

        this.children = children;

    }

    


    @Override

    public String toString() {

        return new ToStringBuilder(this,ToStringStyle.MULTI_LINE_STYLE)