swift控件工厂类的实现代码

import UIKitclass ViewFactory: UIView,UITextFieldDelegate {  //默认控件的尺寸  class func getDefaultFrame( ) -> CGRect  {    let defaultFrame = CGRect(x:0,y:0,width:100,height:30)    return defaultFrame  }    //类方法  class func createControl(type:String,title:[String],action:Selector,sender:AnyObject) -> UIView  {    switch type {    case "label":      return ViewFactory.creatLabel(title: title[0])      case "button":      return ViewFactory.createButton(title: title[0], action: action, sender: sender as! UIViewController)      case "text":      return ViewFactory.creatTextField(value: title[0], action: action, sender: sender as! UIViewController as UIViewController as! UITextFieldDelegate)      case "segment":      return ViewFactory.creatSegment(items: [title[0]], action: action, sender: sender as! UIViewController)    default:      return ViewFactory.creatLabel(title: title[0])    }  }    //创建按钮控件  class func createButton(title:String, action:Selector, sender:UIViewController)    -> UIButton {      let button = UIButton(frame:ViewFactory.getDefaultFrame())      button.backgroundColor = UIColor.orange      button.setTitle(title, for:.normal)      button.titleLabel!.textColor = UIColor.white      button.titleLabel!.font = UIFont.systemFont(ofSize: 14)      button.addTarget(sender, action:action, for:.touchUpInside)      return button  }    //创建文本输入框控件  class func creatTextField(value:String,action:Selector,sender:UITextFieldDelegate) -> UITextField  {    let textField = UITextField(frame:ViewFactory.getDefaultFrame())    textField.backgroundColor = UIColor.clear    textField.textColor = UIColor.black    textField.text = value    textField.borderStyle = .roundedRect    textField.adjustsFontSizeToFitWidth = true    textField.delegate = sender    return textField  }    //创建分段单选组件  class func creatSegment(items:[String],action:Selector,sender:UIViewController) -> UISegmentedControl  {    let segment = UISegmentedControl(items:items)    segment.frame = ViewFactory.getDefaultFrame()    segment.isMomentary = false    segment.addTarget(self, action: action, for: .valueChanged)    return segment  }    //创建文本标签控件  class func creatLabel(title:String) -> UILabel  {    let label = UILabel()    label.textColor = UIColor.black    label.backgroundColor = UIColor.white    label.text = title    label.frame = ViewFactory.getDefaultFrame()    label.font = UIFont(name:"微软雅黑",size:16)    return label      }}

 func initVIewFactory()  {    //创建文本标签    let labelNum = ViewFactory.creatLabel(title: "阈值")    labelNum.frame = CGRect(x:20,y:100,width:60,height:30)    self.view.addSubview(labelNum)        let labelDm = ViewFactory.creatLabel(title: "维度")    labelDm.frame = CGRect(x:20,y:200,width:60,height:30)    self.view.addSubview(labelDm)        //创建文本输入框    textNum = ViewFactory.creatTextField(value: "", action:#selector(factoryAction), sender: self as UITextFieldDelegate)    textNum.frame = CGRect(x:80,y:100,width:200,height:30)    textNum.returnKeyType = .done    self.view.addSubview(textNum)        let textNumSecond = ViewFactory.creatTextField(value: "", action: #selector(factoryActionSecond), sender: self as UITextFieldDelegate)    textNumSecond.frame = CGRect(x:80,y:200,width:200,height:30)    textNum.returnKeyType = .done    self.view.addSubview(textNumSecond)        //创建分段单选控件    segmentC = ViewFactory.creatSegment(items: ["3*3","4*4","5*5"], action: #selector(segmentAction), sender: self)    segmentC.frame = CGRect(x:80,y:200,width:200,height:30)    self.view.addSubview(segmentC)    segmentC.selectedSegmentIndex = 0        //创建按钮控件    factorybtn = ViewFactory.createButton(title: "确定", action: #selector(factoryClick), sender: self)    factorybtn.frame.origin = CGPoint(x:80,y:300)    self.view.addSubview(factorybtn)      }    func factoryAction()  {      }    func factoryActionSecond()  {      }    func segmentAction()  {      }    func factoryClick()  {    print("我点击了")  }