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//UserModel.swiftclassUserModel{funcvalidateUser(username:String,password:String)->Bool{//Óû§ÑéÖ¤Âß¼}}//UserViewModel.swiftclassUserViewModel{privateletuserModel=UserModel()funcvalidateUser(username:String,password:String)->Bool{returnuserModel.validateUser(username:username,password:password)}funcloginUser(username:String,password:String){//µÇ¼Âß¼}}//UserView.swiftclassUserView:UIView{privateletuserViewModel=UserViewModel()@IBOutletweakvarusernameTextField:UITextField!@IBOutletweakvarpasswordTextField:UITextField!@IBOutletweakvarloginButton:UIButton!@IBActionfuncloginTapped(_sender:UIButton){letusername=usernameTextField.textletpassword=passwordTextField.textuserViewModel.loginUser(username:username??"",password:password??"")}}
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