Question

这是我在REST CONSOLE上测试我的Web服务时的JSON响应

{
"d": "{\"token\":\"45b95300-e1ff-4bc1-b45c-9b87babc4df3\",\"timestamp\":\"09/04/2014 12:40:12 PM\"}"
}

这些是我的日志详细信息：

Server Response :<NSHTTPURLResponse: 0x8ea8b70> { URL: http://dev-jrn.stits.co:777/Authonticate.aspx/authenticate } { status code: 500, headers {
"Content-Length" = 91;
"Content-Type" = "application/json; charset=utf-8";
Date = "Thu, 04 Sep 2014 07:18:30 GMT";
Server = "Microsoft-IIS/7.5";
"X-Powered-By" = "ASP.NET";
jsonerror = true;
} }

我的客户端代码

NSOperationQueue *queue = [[NSOperationQueue alloc] init];
        NSString *post =[[NSString alloc] initWithFormat:@"username=%@&password=%@",[self.textUserName text],[self.textPassword text]];
        NSLog(@"PostData: %@",post);

        NSURL *url=[NSURL URLWithString:@"http://dev-jrn.stits.co:777/Authonticate.aspx/authenticate"];
        NSDictionary *jsonDict = [[NSDictionary alloc] initWithObjectsAndKeys:
                                  @"username", @"abc",
                                  @"password", @"abc",
                                  nil];

        NSError *error;
        NSData *postData = [NSJSONSerialization dataWithJSONObject:jsonDict options:0 error:&error];

        NSString *postLength = [NSString stringWithFormat:@"%lu", (unsigned long)[postData length]];

        NSMutableURLRequest *request = [[NSMutableURLRequest alloc] init];
        [request setURL:url];
        [request setHTTPMethod:@"POST"];
        [request setValue:postLength forHTTPHeaderField:@"Content-Length"];
        [request setValue:@"application/json" forHTTPHeaderField:@"Accept"];
        [request setValue:@"application/json; character=utf-8" forHTTPHeaderField:@"Content-Type"];
        [request setHTTPBody:postData];

        //[NSURLRequest setAllowsAnyHTTPSCertificate:YES forHost:[url host]];
        [NSURLConnection sendAsynchronousRequest:request queue:queue completionHandler:^(NSURLResponse *response,NSData *data, NSError *error){


       // NSLog(@"Response code: %ld", (long)[response statusCode]);
            if(error || !data){
               NSLog(@"Server Error : %@", error);
            }
        else
        {
            NSLog(@"Server Response :%@",response);
            NSError* error;
            NSDictionary* json = [NSJSONSerialization
                                  JSONObjectWithData:data
                                  options:kNilOptions
                                  error:&error];

            NSArray* latest = [json objectForKey:@"d"];
            NSLog(@"items: %@", latest);//Returning items: (null)
        }
        }
         ];

代码工作正常，但我知道我错过了一些东西。请帮助。提前致谢

Answer 1

[request setValue:@"application/json" forHTTPHeaderField:@"Accept"];
[request setValue:@"application/json; character=utf-8" forHTTPHeaderField:@"Content-Type"];

替换此

[request setValue:@"application/x-www-form-urlencoded; charset=utf-8" forHTTPHeaderField:@"Content-Type"];

Answer 2

而不是

NSDictionary *jsonDict = [[NSDictionary alloc] initWithObjectsAndKeys:
                              @"username", @"abc",
                              @"password", @"abc",
                              nil];

试

NSDictionary *jsonDict = [[NSDictionary alloc] initWithObjectsAndKeys:
                              @"abc", @"username",
                              @"dch", @"password",
                              nil];

如何解析从.NET Web服务收到的iOS 7中的JSON响应

2 个答案: