object－c将RGB颜色转换成16进制HTML颜色_html/css_WEB-ITnose

-(void)color:(NSString *) red andGreen:(NSString*) green andBule:(NSString*) bule{    NSInteger Red = [red integerValue];    NSInteger Green = [green integerValue];    NSInteger Bule = [bule integerValue];    NSInteger colorsize = Red