iOS 获取appstore 版本

项目上线以后一般都涉及到升级。那么iOS 怎样从appstore获取到版本

事实上非常easy

    NSString *url = [[NSString alloc] initWithFormat:@"http://itunes.apple.com/lookup?

id=%@",@"987953868"];

当中 最后一串数字就是当前app的唯一id。 这个id怎样得到，百度一下 非常easy

然后我们仅仅须要调用这个 地址。就会返回当前app的一些信息，当中就包含appstore上的版本（前提是项目已经上线到appstore）

我们把获取的过程做了整理 大家直接使用这种方法调用刚才的地址即可

    // 获取appStore版本
    NSString *url = [[NSString alloc] initWithFormat:@"http://itunes.apple.com/lookup?

id=%@",@"987953868"];

    [self Postpath:url];

#pragma mark -- 获取数据
-(void)Postpath:(NSString *)path
{

    NSURL *url = [NSURL URLWithString:path];
    NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url
                                                           cachePolicy:NSURLRequestReloadIgnoringCacheData
                                                       timeoutInterval:10];

    [request setHTTPMethod:@"POST"];

    NSOperationQueue *queue = [NSOperationQueue new];

    [NSURLConnection sendAsynchronousRequest:request queue:queue completionHandler:^(NSURLResponse *response,NSData *data,NSError *error){
        NSMutableDictionary *receiveStatusDic=[[NSMutableDictionary alloc]init];
        if (data) {

            NSDictionary *receiveDic = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableLeaves error:nil];
            if ([[receiveDic valueForKey:@"resultCount"] intValue]>0) {

                [receiveStatusDic setValue:@"1" forKey:@"status"];
                [receiveStatusDic setValue:[[[receiveDic valueForKey:@"results"] objectAtIndex:0] valueForKey:@"version"]   forKey:@"version"];
            }else{

                [receiveStatusDic setValue:@"-1" forKey:@"status"];
            }
        }else{
            [receiveStatusDic setValue:@"-1" forKey:@"status"];
        }

        [self performSelectorOnMainThread:@selector(receiveData:) withObject:receiveStatusDic waitUntilDone:NO];
    }];

}

-(void)receiveData:(id)sender
{
    NSLog(@"receiveData=%@",sender);

}

最后打印出来的字典中就包括 版本

receiveData={

    status = 1;

    version = "1.0.0";

}

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