创建swift颜色类
import UIKit
extension UIColor{
//MARK: - RGB
classfunc RGBColor(red : CGFloat, green : CGFloat, blue :CGFloat ) -> UIColor {
return UIColor(red: red /255.0, green: green / 255.0, blue: blue / 255.0, alpha:1)
}
classfunc RGBColor(_ RGB:CGFloat) -> UIColor {
return RGBColor(red: RGB, green: RGB, blue: RGB)
}
//MARK: - 16进制字符串转UIColor
classfunc colorWithHexString(_ hex:String) ->UIColor {
return colorWithHexString(hex, alpha:1)
}
classfunc colorWithHexString (_ hex:String, alpha:CGFloat) -> UIColor {
var cString:String = hex.trimmingCharacters(in: NSCharacterSet.whitespacesAndNewlines).uppercased()
if (cString.hasPrefix("#")) {
cString = (cString asNSString).substring(from:1)
}
elseif (cString.hasPrefix("0X") || cString.hasPrefix("0x")) {
cString = (cString asNSString).substring(to: 2)
}
if ((cStringas NSString).length !=6) {
return gray
}
let rString = (cStringas NSString).substring(to:2)
let gString = ((cStringas NSString).substring(from:2) asNSString).substring(to: 2)
let bString = ((cStringas NSString).substring(from:4) asNSString).substring(to: 2)
var r:CUnsignedInt =0, g:CUnsignedInt =0, b:CUnsignedInt =0;
Scanner(string: rString).scanHexInt32(&r)
Scanner(string: gString).scanHexInt32(&g)
Scanner(string: bString).scanHexInt32(&b)
return UIColor(red: CGFloat(r) /255.0, green: CGFloat(g) /255.0, blue: CGFloat(b) /255.0, alpha: alpha)
}
}
//常用的颜色
extension UIColor{
//主题色
classfunc normalColor() -> UIColor {
return colorWithHexString("#8ebf30")
}
//浅灰色
classfunc color666() -> UIColor{
return colorWithHexString("#666666")
}
//标题主题色
classfunc color333() -> UIColor{
return colorWithHexString("#333333")
}
//描述文字颜色
classfunc color999() -> UIColor{
return colorWithHexString("#999999")
}
//价格的颜色
classfunc colorff3635() -> UIColor{
return colorWithHexString("#ff3635")
}
//tableView背景颜色
classfunc colorf6f6f6() -> UIColor{
return colorWithHexString("#f6f6f6")
}
//分割线颜色
classfunc coloreee() -> UIColor{
return colorWithHexString("#eeeeee")
}
//分割线颜色2
classfunc colore9e9e9() -> UIColor{
return colorWithHexString("#e9e9e9")
}
}