之前的写的“iPhone 手机控制linux服务器程序源码”（http://www.simonzhang.net/?p=2861 ）。开启时间使用textfidld，太麻烦了。就保留常用的几个时间即可。所以改为使用pickerview控件。控制没有使用故事板，直接代码控制位置。源码如下，其他部分使用之前的代码。iphone6调试正常。

//
//  door.swift
//  mydoor
//
//  Created by zhangzimeng on 16/1/6.
//  Copyright © 2016年 com. All rights reserved.
//

import UIKit
import Alamofire
import Crypto

class ViewController: UIViewController,UIPickerViewDataSource,UIPickerViewDelegate {
    var timePicker:UIPickerView!
    var buildString = ["3秒", "30分钟" , "1小时", "2小时", "3小时", "4小时"]
    var buildInt = ["3", "1800" , "7200", "7200", "10800", "14400"]
    let kk = "09999999999999"
    let url = "http://www.simonzhang.net/door?"
    
    @IBAction func dangdang(sender: AnyObject) {
        // 获取要开发的时间
        let row:Int = self.timePicker.selectedRowInComponent(0)
        let getSec=buildInt[row]
        // 获取当前两位小时和分
        let Hour:NSDate = NSDate()
        let Min:NSDate = NSDate()
        let dateForm=NSDateFormatter()
        dateForm.dateFormat="HH"
        let getHour=dateForm.stringFromDate(Hour)
        dateForm.dateFormat="mm"
        let getMin=dateForm.stringFromDate(Min)
        // 拼接要加密的穿
        let ss=kk+getHour+getMin
        let authMd5 = ss.MD5
        // 拼接要访问的字符串
        let doorUrl = url+"se="+getSec+"&au="+authMd5!
        // 开始访问
        var returnText = ""
        Alamofire.request(.GET, doorUrl)
            .responseString{ openStatus in
                if openStatus.result.value == "成功"{
                    returnText="成功"
                }else{
                    returnText="失败"
                }
                UIAlertView(title: "敲门结果", message: returnText,
                    delegate: nil, cancelButtonTitle: "确定").show()
        }
    }
    
    override func viewDidLoad() {
        super.viewDidLoad()
        timePicker=UIPickerView()
        // 定义位置
        self.timePicker.frame = CGRectMake(120, 100, 150, 200)
        // 绑定数据
        self.timePicker.delegate=self
        self.timePicker.dataSource=self
        //设置选择框的默认值
        timePicker.selectRow(3,inComponent:0,animated:true)
        //添加到界面中
        self.view.addSubview(timePicker)
    }
    
    //设置选择框的列数为1列,继承于UIPickerViewDataSource协议
    func numberOfComponentsInPickerView(pickerView: UIPickerView) -> Int {
        return 1
    }
    
    // 返回要显示文字的列表
    func pickerView(pickerView: UIPickerView, numberOfRowsInComponent component: Int) -> Int {
        if (pickerView.tag == 1){
            return buildString.count
        }else{
            return buildString.count
        }
    }
    
    // 返回显示内容
    func pickerView(pickerView: UIPickerView, titleForRow row: Int, forComponent component: Int) -> String? {
        if (pickerView.tag == 1){
            return "\(buildString[row])"
        }else{
            return "\(buildString[row])"
        }
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }
｝