寫APP那件事#10．【健康護照】

使用 IBOutlet，IBAction & 亂數創作有趣的 App

練習項目：

1.性別(男/女)控制view背景顏色

2.溫度slider顯示數字，根據數字變化顏色

3.根據問題判斷，人像顏色及狀態

4.ID為亂碼產生

5.NEW-新增一筆資料，更新畫面

6.DATE-右上角帶入年月日

越做越上手～ 太感人了 🎉

import UIKit
class blueViewController: UIViewController {
    
    
    @IBOutlet weak var timetext: UILabel!
    
    @IBOutlet weak var nametext: UITextField!
    
    @IBOutlet weak var tempertureState: UILabel!
    @IBOutlet weak var healthState: UITextField!
    @IBOutlet weak var idNumber: UITextField!
    @IBOutlet weak var viewBackground: UIView!
    @IBOutlet weak var photoFile: UIImageView!
    @IBOutlet weak var tempertureDegree: UILabel!
    
    @IBOutlet weak var sliderDegree: UISlider!
    @IBOutlet weak var aboardOption: UISegmentedControl!
    @IBOutlet weak var placeOption: UISegmentedControl!
    @IBOutlet weak var travelOption: UISegmentedControl!
    @IBOutlet weak var illnessOption: UISegmentedControl!
override func viewDidLoad() {
        super.viewDidLoad()
       
        let today=Date()
        let dateFormatter=DateFormatter()
        dateFormatter.dateFormat="MM/dd/yyyy"
        timetext.text!=dateFormatter.string(from: today)
        
        // Do any additional setup after loading the view.
    }
//性別(男/女)控制view的背景顏色
    @IBAction func countGender(_ sender: UISegmentedControl) {
        
        let numberGender=sender.selectedSegmentIndex
        switch numberGender {
        case 0:
            viewBackground.backgroundColor=UIColor.systemBlue
        case 1:
            viewBackground.backgroundColor=UIColor.systemRed
        default:
            viewBackground.backgroundColor=UIColor.white
        }
    }
    
    //溫度顯示數字，呈現標語
    @IBAction func changeDegree(_ sender: UISlider) {
        let degree=sender.value
       
        let showdegree=String(format:"%.1f",degree)
        
        tempertureDegree.text!=showdegree
        
        switch degree {
        case 37.0...38.0:
            tempertureDegree.textColor=UIColor.systemOrange
            tempertureState.text!="注意體溫"
            tempertureState.textColor=UIColor.systemOrange
        case 38.0...39.0:
            tempertureDegree.textColor=UIColor.systemRed
            tempertureState.text!="體溫過高"
            tempertureState.textColor=UIColor.systemRed
        default:
            tempertureDegree.textColor=UIColor.black
            tempertureState.text!="體溫正常"
            tempertureState.textColor=UIColor.black
        }
       
    }
    
    
    //判斷：三個以上有（紅色），一個以上有（橘色） 全無（綠色）
    //狀態：呈現對應文字及顏色
    var sumaboard=Int()
    var sumplace=Int()
    var sumtravel=Int()
    var sumillness=Int()
    
    
    @IBAction func showOption(_ sender: UISegmentedControl) {
        
      
        
        if sender==aboardOption{
              sumaboard=sender.selectedSegmentIndex
        } else if sender==placeOption{
                    sumplace=sender.selectedSegmentIndex
            }
        else if sender==travelOption{
             sumtravel=sender.selectedSegmentIndex
            
        }
        else if sender==illnessOption{
            sumillness=sender.selectedSegmentIndex
    
            }
            
        let sum=sumaboard+sumplace+sumtravel+sumillness
            
        let imageview0=UIImageView(image: UIImage(named: "0"))
        let imageview1=UIImageView(image: UIImage(named: "1"))
        let imageview2=UIImageView(image: UIImage(named: "2"))
        let imageview3=UIImageView(image: UIImage(named: "3"))
        
        
        switch sum {
        case 3,4:
            photoFile.image=imageview3.image
            
            healthState.text!="危險"
            healthState.backgroundColor=UIColor.red
        case 1,2:
            photoFile.image=imageview2.image
            healthState.text!="注意"
            healthState.backgroundColor=UIColor.orange
        case 0:
            photoFile.image=imageview1.image
            healthState.text!="安全"
            healthState.backgroundColor=UIColor.green
            
        default:
            photoFile.image=imageview0.image
            }
        
        
            }
        
        
        
        
    @IBAction func reNew(_ sender: UIButton) {
        
        
        tempertureDegree.text!=String("37")
        tempertureDegree.textColor=UIColor.black
        sliderDegree.value=37
        aboardOption.selectedSegmentIndex=0
        placeOption.selectedSegmentIndex=0
        travelOption.selectedSegmentIndex=0
        illnessOption.selectedSegmentIndex=0
        healthState.text!=""
        healthState.backgroundColor=nil
        
        viewBackground.backgroundColor=UIColor.white
        
    let imageview0=UIImageView(image: UIImage(named: "0"))
       
        photoFile.image=imageview0.image
       
        
        idNumber.text!="NO."+Int.random(in: 0...1000).description
        idNumber.backgroundColor=UIColor.white
        
        nametext.text!=""
        tempertureState.text!=""
        
    
    }
   
            
        }

參考1.日期寫法

請問 Swift 大大，今天幾月幾號星期幾 ?

GitHub連結：

Daisy-1988/AUGEST1