颜色(color)转换为三刺激值(r/g/b)（干股）

//颜色转换 ##665522 — 三色值

+ (UIColor *)setFontColorWithString:(NSString *)color

{

    NSString *cString
= [[color stringByTrimmingCharactersInSet:[NSCharacterSetwhitespaceAndNewlineCharacterSet]] uppercaseString];





    ) {

        return [UIColorclearColor];

    }



    进制来区分

    if ([cString hasPrefix:@"0X"])

        cString = [cString ];

    if ([cString hasPrefix:@"#"])

        cString = [cString ];

    )

        return [UIColorclearColor];



    // 分为r,g,b 子字符串

    NSRange range;

    range.;

    range.;



    //r

    NSString *rString = [cString substringWithRange:range];



    //g

    range.;

    NSString *gString = [cString substringWithRange:range];



    //b

    range.;

    NSString *bString = [cString substringWithRange:range];



    // 扫描r,g,b值

    unsignedint r, g, b;

    [[NSScannerscannerWithString:rString] scanHexInt:&r];

    [[NSScannerscannerWithString:gString] scanHexInt:&g];

    [[NSScannerscannerWithString:bString] scanHexInt:&b];



    return RgbHex2UIColor(r, g, b);

}