//去appStore检查更新

private func checkUpdate() {

let path = NSString(format: "http://itunes.apple.com/cn/lookup?id=%@", "自己的AppID") as String

let url = NSURL(string: path)

let request = NSMutableURLRequest(url: url! as URL, cachePolicy: NSURLRequest.CachePolicy.reloadIgnoringLocalAndRemoteCacheData, timeoutInterval: 10)

request.httpMethod = "POST"

NSURLConnection.sendAsynchronousRequest(request as URLRequest, queue: OperationQueue()) { (response, data, error) in

let receiveStatusDic = NSMutableDictionary()

if data != nil {

do {

let dic = try JSONSerialization.jsonObject(with: data!, options: JSONSerialization.ReadingOptions.mutableContainers) as! [String: Any]

print(dic)

if let resultCount = dic["resultCount"] as? NSNumber {

if resultCount.intValue > 0 {

receiveStatusDic.setValue("1", forKey: "status")

if let arr = dic["results"] as? NSArray {

if let dict = arr.firstObject as? NSDictionary {

if let version = dict["version"] as? String {

receiveStatusDic.setValue(version, forKey: "version")

UserDefaults.standard.set(version, forKey: "Version")

UserDefaults.standard.synchronize()

}

}

}

}

}

}catch let error {

receiveStatusDic.setValue("0", forKey: "status")

}

}else {

receiveStatusDic.setValue("0", forKey: "status")

}

self.performSelector(onMainThread: #selector(self.checkUpdateWithData(data:)), with: receiveStatusDic, waitUntilDone: false)

}

}

@objc private func checkUpdateWithData(data: NSDictionary) {

let status = data["status"] as? String

let localVersion = Bundle.main.object(forInfoDictionaryKey: "CFBundleShortVersionString") as! String

if status == "1" {

let storeVersion = data["version"] as! String

self.compareVersion(localVersion: localVersion, storeVersion: storeVersion)

return

}

if let storeVersion = UserDefaults.standard.object(forKey: "Version") as? String {

self.compareVersion(localVersion: localVersion, storeVersion: storeVersion)

}

}

private func compareVersion(localVersion: String, storeVersion: String) {

if localVersion.compare(storeVersion) == ComparisonResult.orderedAscending {

print("去更新")

//let alertView = UIAlertView.init(title: "提示", message: "版本有更新,请前往AppStore下载", delegate: self, cancelButtonTitle: "取消", otherButtonTitles: "前往下载")

//alertView.tag = 1

//alertView.show()

} else {

print("是最新版本")

//SVPManager.svpShowMessage(message: "已经是最新版本了", timeInterval: nil)

}

}