// 透明度固定为1,以0x开头的十六进制转换成的颜色 [UIColor colorWithHex:333333];
+ (UIColor *)colorWithHex:(long)hexColor;
// 0x开头的十六进制转换成的颜色,透明度可调整 [UIColor colorWithHex:123456 alpha:0.4];
+ (UIColor *)colorWithHex:(long)hexColor alpha:(float)opacity;
// 颜色转换三:iOS中十六进制的颜色(以#开头)转换为UIColor
//[UIColor colorWithHexSt
1