新鮮出爐 AFNetworking 請求隊列
NSURL *url = [NSURL URLWithString:@"http://www.baidu.com"];
NSURLRequest *request = [NSURLRequest requestWithURL:url];
AFHTTPRequestOperation *operation1 = [[AFHTTPRequestOperation alloc] initWithRequest:request];
[operation1 setCompletionBlockWithSuccess:^(AFHTTPRequestOperation *operation, id responseObject) {
NSLog(@"Response: %@", [[NSString alloc] initWithData:responseObject encoding:NSUTF8StringEncoding]);
} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
NSLog(@"Error: %@", error);
}];
NSURL *url2 = [NSURL URLWithString:@"http://www.sohu.com"];
NSURLRequest *request2 = [NSURLRequest requestWithURL:url2];
AFHTTPRequestOperation *operation2 = [[AFHTTPRequestOperation alloc] initWithRequest:request2];
[operation2 setCompletionBlockWithSuccess:^(AFHTTPRequestOperation *operation, id responseObject) {
NSLog(@"Response2: %@", [[NSString alloc] initWithData:responseObject encoding:NSUTF8StringEncoding]);
} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
NSLog(@"Error: %@", error);
}];
NSURL *url3 = [NSURL URLWithString:@"http://www.sina.com"];
NSURLRequest *request3 = [NSURLRequest requestWithURL:url3];
AFHTTPRequestOperation *operation3 = [[AFHTTPRequestOperation alloc] initWithRequest:request3];
[operation3 setCompletionBlockWithSuccess:^(AFHTTPRequestOperation *operation, id responseObject) {
NSLog(@"Response3: %@", [[NSString alloc] initWithData:responseObject encoding:NSUTF8StringEncoding]);
} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
NSLog(@"Error: %@", error);
}];
//同時請求
NSOperationQueue *operationQueue = [[NSOperationQueue alloc] init];
[operationQueue setMaxConcurrentOperationCount:3];
[operationQueue addOperations:@[operation1, operation2, operation3] waitUntilFinished:NO];
//operation2 在 operation1 請求完成后執行
NSOperationQueue *operationQueue = [[NSOperationQueue alloc] init];
[operation2 addDependency:operation1];
[operationQueue addOperations:@[operation1, operation2, operation3] waitUntilFinished:NO];