IOS RGB颜色转换

 - (UIColor *)getColor:(NSString *)hexColor
 {
     unsigned int red,green,blue;
     NSRange range;
     range.length = ;

     range.location = ;
     [[NSScanner scannerWithString:[hexColor substringWithRange:range]] scanHexInt:&red];

     range.location = ;
     [[NSScanner scannerWithString:[hexColor substringWithRange:range]] scanHexInt:&green];

     range.location = ;
     [[NSScanner scannerWithString:[hexColor substringWithRange:range]] scanHexInt:&blue];

     return [UIColor colorWithRed:(float)(red/255.0f) green:(float)(green / 255.0f) blue:(float)(blue / 255.0f) alpha:1.0f];
 }