简明的解决方案： // Assumes input like "#00FF00" (#RRGGBB). + (UIColor *)colorFromHexString:(NSString *)hexString { unsigned rgbValue = 0; NSScanner *scanner = [NSScanner scannerWithString:hexString]; [scanner setScanLocation:1]; // bypass '#' characte [scanner scanHexInt:&rgbValue]; return [UIColor colorWithRed:((rgbValue & 0xFF0000) >> 16)/255.0 green:((rgbValue & 0xFF00) >> 8)/255.0 blue:(rgbValue & 0xFF)/255.0 alpha:1.0]; }... 展开详请