ios开发swift-UserDefaults

 let Userdefault = UserDefaults.standard;

//存

        //存
        Userdefault.set(true, forKey: "isSwitchState");
        //Userdefault.set("sssss字符串", forKey: "string");
        Userdefault.synchronize();

//取

  let isswitch = Userdefault.bool(forKey: "isSwitchState");
        //let string = Userdefault.url(forKey: "string");