判断当前app版本和appstore的版本

http://www.360doc.com/content/15/0728/18/19119980_487992185.shtml

/**

 *   判断app安装版本和商店版本的比较

 */

-(void)judgeAPPVersion

{

//    https://itunes.apple.com/lookup?id=604685049
    

    NSString *urlStr = @"https://itunes.apple.com/lookup?id=604685049";

    NSURL *url = [NSURL URLWithString:urlStr];

    NSURLRequest *req = [NSURLRequest requestWithURL:url];

    [NSURLConnection connectionWithRequest:req delegate:self];

}

-(void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data

{

    

    NSError *error;

    id jsonObject = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingAllowFragments error:&error];

    NSDictionary *appInfo = (NSDictionary *)jsonObject;

    NSArray *infoContent = [appInfo objectForKey:@"results"];

    NSString *version = [[infoContent objectAtIndex:0] objectForKey:@"version"];

    

     NSLog(@"商店的版本是 %@",version);

    

    NSDictionary *infoDic = [[NSBundle mainBundle] infoDictionary];

    NSString *currentVersion = [infoDic objectForKey:@"CFBundleShortVersionString"];

    NSLog(@"当前的版本是 %@",currentVersion);

 
    if (![version isEqualToString:currentVersion]) {

        UIAlertView *alert = [[UIAlertView alloc]initWithTitle:nil message:@"商店有最新版本了" delegate:nil cancelButtonTitle:@"YES" otherButtonTitles:nil,nil];

        [alert show];

    }

    

}

当然你还是可以在页面有个跳转到商店更新APP的接口的按钮滴！
[[UIApplication sharedApplication]
openURL:[NSURL URLWithString:trackViewUrl]];