// // YMHexColor.swift // MvpGoods // // Created by 小花 on 2019/3/18. // Copyright © 2019年 MVP. All rights reserved. // import UIKit extension UIColor{ class func hexadecimalColor(hexadecimal:String)->UIColor{ var cstr = hexadecimal.trimmingCharacters(in: CharacterSet.whitespacesAndNewlines).uppercased() as NSString; if(cstr.length < 6){ return UIColor.clear; } if(cstr.hasPrefix("0X")){ cstr = cstr.substring(from: 2) as NSString } if(cstr.hasPrefix("#")){ cstr = cstr.substring(from: 1) as NSString } if(cstr.length != 6){ return UIColor.clear; } var range = NSRange.init() range.location = 0 range.length = 2 //r let rStr = cstr.substring(with: range); //g range.location = 2; let gStr = cstr.substring(with: range) //b range.location = 4; let bStr = cstr.substring(with: range) var r :UInt32 = 0x0; var g :UInt32 = 0x0; var b :UInt32 = 0x0; Scanner.init(string: rStr).scanHexInt32(&r); Scanner.init(string: gStr).scanHexInt32(&g); Scanner.init(string: bStr).scanHexInt32(&b); return UIColor.init(red: CGFloat(r)/255.0, green: CGFloat(g)/255.0, blue: CGFloat(b)/255.0, alpha: 1); } class func gloadGrayColor()->UIColor { return self.hexadecimalColor(hexadecimal: "#f5f4f4"); } class func gloadRedColor()->UIColor { return self.hexadecimalColor(hexadecimal: "#F0845F"); } }