afnetworking - 如何将 AFNetworking 用于多请求？

Question

我同时有一些请求，我想处理直到全部完成。以下是要求:

[self getProfileData];
[self checkNewSystemMessage];
[self checkChatMessage];

在 getProfileData 中它看起来像:

AFHTTPRequestOperationManager* manager = [AFHTTPRequestOperationManager manager];
manager.requestSerializer.timeoutInterval = TIMEOUT_INTERVAL;
NSString * portNumber = [[NSUserDefaults standardUserDefaults] objectForKey:@"portNumber"];

[manager GET:URL_ADDRESS(portNumber,@"JsonEntryManager") parameters:dic success:^(AFHTTPRequestOperation *operation, id responseObject) {

    NSLog(@"%@",responseObject);
    //Do something...
} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
    [self performSelector:@selector(getProfileData) withObject:nil afterDelay:REQUEST_AGAIN_TIME];
}];

其他同理。我想在他们都完成后做点什么。我认为唯一的方法是一个一个地请求它们。显然这是一个愚蠢的想法。那么我怎么知道结束时间呢？

Answer 1

在开始任何请求之前初始化计数器:

int counter = 0;

在每个请求的成功 block 中，做

counter++;
if(counter==3)
{
    //Do what you need to do when all the request is completed.
    //Make some method for this.
}