POST网络访问

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    NSString *address = @"http://localhost/BookReaderData/BasicGetAndPost.php";

    NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:address]];

    [request setHTTPMethod:@"POST"];

//    NSDictionary *parameters = @{@"para":@"中文 Parameter Value"};

    NSString *parameter = [NSString stringWithFormat:@"%@=%@", @"para", @"中文 Parameter Value"];

    NSData *parameterData = [parameter dataUsingEncoding:NSUTF8StringEncoding];

    [request setHTTPBody:parameterData];

    NSURLSession *session = [NSURLSession sessionWithConfiguration:[NSURLSessionConfiguration defaultSessionConfiguration]];

    NSURLSessionDataTask *dataTash = [session dataTaskWithRequest:request completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error) {

        if (error) {

            NSLog(@"%@", error);

        }

        else {

            NSString *responseString = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];

            NSLog(@"Response is %@", responseString);

        }

    }];

    [dataTash resume];

POST网络访问

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原文地址：http://www.cnblogs.com/fanwenzheIOS/p/4922466.html