我有一个UIColor扩展，enum名为myColors:enummyColors{staticletbackgroundColor=UIColor(hex:"#373737")staticletstrokeColor=UIColor(hex:"#FFFCF9")staticletred=UIColor(hex:"#FF6978")staticletgreen=UIColor(hex:"#BCE784")staticletblue=UIColor(hex:"#B1DDF1")staticletyellow=UIColor(hex:"#FFFD98")staticletpurple=UI