itcatface / ios-002_lovefinder

相亲(相关控件介绍)

示例002、相亲(控件介绍)

• 课程地址(幕课网-使用 Swift 开发第二章)

• 代码地址(Github)

• 关键代码

  • 绑定相关视图控件

      @IBOutlet weak var name: UITextField! 
      ...
    

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  • 点击下一项，关闭键盘

      选中控件，右侧面板中 Return Key 选择 Next
    

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      // ViewController 实现 UITextFieldDelegate 协议，完成方法
      func textFieldShouldReturn(textField: UITextField) -> Bool {
          textField.resignFirstResponder()
          return true
      }
    

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  • UISlider 控件的事件

      @IBAction func heightChanged(sender: AnyObject) {
          
          height.text = "\(Int(heightNum.value))cm"
          
      }
    

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  • 点击确定，提交数据事件

      @IBAction func btnOk(sender: AnyObject) {
          
          // 性别
          let gender = sex.selectedSegmentIndex == 0 ? "高富帅" : sex.selectedSegmentIndex == 1 ? "白富美" : "人妖"
          
          // 年龄
          let gregorian = NSCalendar(calendarIdentifier: NSCalendarIdentifierGregorian)
          let now = NSDate()
          let components = gregorian?.components(NSCalendarUnit.Year, fromDate: birthday.date, toDate: now, options: NSCalendarOptions(rawValue: 0))
          let age = components?.year
          
          // 房产
          let hasHouseText = hasHouse.on ? "有房" : "没放"
          
          
          result.text = "\(name.text!), \(age!)岁, \(gender)性, 身高\(height.text!)cm, \(hasHouseText), 求交往！"
          
      }