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AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];//申明返回的结果是json类型manager.responseSerializer = [AFJSONResponseSerializer serializer];//申明请求的数据是json类型manager.requestSerializer=[AFJSONRequestSerializer serializer];//如果报接受类型不一致请替换一致text/html或别的manager.responseSerializer.acceptableContentTypes = [NSSet setWithObject:@"text/html"];//传入的参数NSDictionary *parameters = @{@"1":@"XXXX",@"2":@"XXXX",@"3":@"XXXXX"};//你的接口地址NSString *url=@"http://xxxxx";//发送请求[manager POST:url parameters:parameters success:^(AFHTTPRequestOperation *operation, id responseObject) { NSLog(@"JSON: %@", responseObject);} failure:^(AFHTTPRequestOperation *operation, NSError *error) { NSLog(@"Error: %@", error);}];AFNetworking如何post一个json数据到服务器
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原文地址：http://www.cnblogs.com/changzheng/p/4234595.html
