获取版本

-(void)getstAte{

NSError*error;

NSString*lastsVersion;

NSString*trackViewUrl;

NSString*trackName;

NSString*currentVersion;

NSString*appid =@"1050032423";

NSString*urlStr = [NSStringstringWithFormat:@"http://itunes.apple.com/lookup?id=%@",@"1050032423"];

NSURL*url = [NSURLURLWithString:urlStr];

NSURLRequest*request = [NSURLRequestrequestWithURL:url];

NSData*response = [NSURLConnectionsendSynchronousRequest:requestreturningResponse:nilerror:nil];

NSDictionary*appInfoDic = [NSJSONSerializationJSONObjectWithData:responseoptions:NSJSONReadingMutableLeaveserror:&error];

if(error) {

NSLog(@"error:%@",[errordescription]);

//return;

}

NSArray*resultsArray = [appInfoDicobjectForKey:@"results"];

if(![resultsArraycount]) {

NSLog(@"error: resultsArray == nil");

//return;

}

NSDictionary*infoDic = [resultsArrayobjectAtIndex:0];

lastsVersion = [infoDicobjectForKey:@"version"];

trackViewUrl = [infoDicobjectForKey:@"trackViewUrl"];

trackName = [infoDicobjectForKey:@"trackName"];

//获取当前版本

NSDictionary*infoDict = [[NSBundlemainBundle]infoDictionary];

currentVersion = [infoDictobjectForKey:@"CFBundleShortVersionString"];

doubledoubleCurrentVersion = [currentVersiondoubleValue];

doubledoubleUpdateVersion = [lastsVersiondoubleValue];

NSLog(@"当前版本是:%@",currentVersion);

NSLog(@"商店版本是:%@",lastsVersion);

if(doubleCurrentVersion < doubleUpdateVersion) {

NSString*titleStr = [NSStringstringWithFormat:@"检查更新:%@",trackName];

NSString*messageStr = [NSStringstringWithFormat:@"发现新版本(%@),是否升级?",lastsVersion];

UIAlertView*alert = [[UIAlertViewalloc]initWithTitle:titleStr

message:messageStr

delegate:self

cancelButtonTitle:@"退出"

otherButtonTitles:@"升级",nil];

alert.tag= [appidintValue];

[alertshow];

}

}

- (void)alertView:(UIAlertView*)alertView clickedButtonAtIndex:(NSInteger)buttonIndex {

//退出

if(buttonIndex==0) {

[selfexitApplication];

}else{

//更新

//https://itunes.apple.com/cn/app/jiao-shi-pei-xun-wang/id1050032423?mt=8

[[UIApplicationsharedApplication]openURL:[NSURLURLWithString:@"itms-apps://itunes.apple.com/cn/app/jiao-shi-pei-xun-wang/id1050032423?mt=8"]];

[selfexitApplication];

}

}