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Tabbar.7z

BMI 측정 앱 부분

//
//  Tab3ViewController.swift
//  Tabbar
//
//  Created by 컴퓨터소프트웨어학과 on 2016. 11. 3..
//  Copyright © 2016년 sd. All rights reserved.
//

import UIKit

class Tab3ViewController: UIViewController {
    
    @IBOutlet weak var inputHeightValue: UITextField!
    @IBOutlet weak var inputWeightValue: UITextField!
    @IBOutlet weak var resultString: UILabel!
    @IBOutlet weak var resultValue: UILabel!
    
    @IBAction func calcResult(sender: AnyObject) {
        if let cheight=Double(inputHeightValue.text!), cweight=Double(inputWeightValue.text!) {
            let valBMI = cweight * 10000 / (cheight * cheight)
            resultValue.text = "BMI: \(valBMI)"
            resultString.text = adjGrade(valBMI)
        }
    }
    
    func adjGrade(val: Double) -> String {
        var returnString: String
        switch val {
        case 0...18.4:
            returnString = "체중이 부족합니다"
        case 18.5...22.9:
            returnString = "정상 입니다"
        case 23...24.9:
            returnString = "과체중 입니다"
        case 25...60:
            returnString = "비만 입니다"
        default:
            returnString = "입력 값을 확인하세요"
        }
        return returnString
    }

    override func viewDidLoad() {
        super.viewDidLoad()

        // Do any additional setup after loading the view.
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }
    
    override func touchesBegan(touches: Set<UITouch>, withEvent event: UIEvent?) {
        inputHeightValue.endEditing(true)
        inputWeightValue.endEditing(true)
    }
    @IBAction func returnDownHeightTextField(sender: AnyObject) {
        sender.resignFirstResponder()
    }
    
    @IBAction func returnDownWeightTextField(sender: AnyObject) {
        sender.resignFirstResponder()
    }

    /*
    // MARK: - Navigation

    // In a storyboard-based application, you will often want to do a little preparation before navigation
    override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject?) {
        // Get the new view controller using segue.destinationViewController.
        // Pass the selected object to the new view controller.
    }
    */

}