iOS：将字符串数组发布到以下JSON的Web服务

如何从“发布”web服务获取以下响应。

我有一个名为textArray的字符串数组。如何在以下响应中为键@“答案”发布textArray。iOS：将字符串数组发布到以下JSON的Web服务

 { 
     "ProjID": "78", 
     "Uid": "12", 
     "EmailID": "[email protected]", 
     "ProjectInviterFQAnswers": [{ 
      "slno": "1", 
      "Answer": "a1", 
      "order": "1", 
      "flag": "F" 
     }, { 
      "slno": "2", 
      "Answer": "a1", 
      "order": "2", 
      "flag": "F" 
     }, { 
      "slno": "1", 
      "Answer": "a1", 
      "order": "2", 
      "flag": "Q" 
     } 
     ] 
    };

这里是我试过到目前为止

NSError *error = Nil; 
    NSOperationQueue *queue = [[NSOperationQueue alloc] init]; 


NSDictionary *dictionaryArray1 = [NSDictionary dictionaryWithObjectsAndKeys:@"1", @"slno", @"a1", @"Answer", @"1", @"order", @"F", @"Flag", nil]; 

NSDictionary *dictionaryArray2 = [NSDictionary dictionaryWithObjectsAndKeys:@"2", @"slno", @"a1", @"Answer", @"1", @"order", @"F", @"Flag", nil]; 

NSDictionary *dictionaryArray3 = [NSDictionary dictionaryWithObjectsAndKeys:@"1", @"slno", @"a1", @"Answer", @"2", @"order", @"Q", @"Flag", nil]; 

NSArray *arrayAnswer = [NSArray arrayWithObjects:dictionaryArray1, dictionaryArray2, dictionaryArray3, nil]; 

NSDictionary *dictionary = [NSDictionary dictionaryWithObjectsAndKeys:@"78", @"ProjID", @"12", @"UID", @"[email protected]", @"EmailID", arrayAnswer, @"ProjectInviterFQAnswer", nil]; 

    NSURL *url = [NSURL URLWithString:@" someurl "]; 
    NSMutableURLRequest *request = [[NSMutableURLRequest alloc] initWithURL:url]; 
    NSData *requestData = [NSJSONSerialization dataWithJSONObject:dictionary options:kNilOptions error:&error]; 
    [request setHTTPMethod:@"POST"]; 
    [request setValue:@"application/json" forHTTPHeaderField:@"Accept"]; 
    [request setValue:@"application/json" forHTTPHeaderField:@"Content-Type"]; 
    [request setValue:[NSString stringWithFormat:@"%d", [requestData length]] forHTTPHeaderField:@"Content-Length"]; 
    [request setHTTPBody: requestData]; 
    NSURLConnection *connection = [[NSURLConnection alloc] initWithRequest:request delegate:self]; 
    [connection start]; 
    [NSURLConnection sendAsynchronousRequest:request queue:queue completionHandler:^(NSURLResponse *response, NSData *data, NSError *error){ 
     if(error || !data) 
     { 
      NSLog(@"JSON Data not posted!"); 
      [activity stopAnimating]; 
      UIAlertView *alertMessage = [[UIAlertView alloc] initWithTitle:@"Error" message:@"Data not saved" delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil]; 
      [alertMessage show]; 
     } 
     else 
     { 
      [activity startAnimating]; 
      NSLog(@"JSON data posted! :)"); 
      NSError *error = Nil; 
      NSJSONSerialization *jsonObject = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingAllowFragments error:&error]; 
      NSLog(@"Response is %@", jsonObject); //Not getting the response here Message = "An error has occurred." 
      [activity stopAnimating]; 
     } 

    }];

来源

2013-10-31 Deepak Thakur

你试过了什么？你面临什么问题？如果你没有尝试过自己而不是第一次尝试，而是比较具体的问题。 – CRDave

使用NSDictionary或NSMutableDictionary创建键/值对。祝你好运！ –

@CRDave请参阅我的编辑 –

请注意：

NSArray *keys = [NSArray arrayWithObjects:@"slno", @"Answer", @"order", @"flage", nil];

但你必须：

"flag": "Q"

flage =标志。

这就是为什么使用常量很好！

接下来，关于你的问题：

首先，你必须将JSON转换成的NSDictionary。

后：

NSArray * array = [jsonDict valueForKey:@"ProjectInviterFQAnswer"]; 
for(NSMutableDictionary * dict in array){ 
    [dict setValue:<put here anything you want> forKey:@""]; 
}

后，你这样做，从jsonDict创建一个新的JSON，就大功告成了。

来源

2013-10-31 12:38:23 Dumoko

首先你必须将响应转换字典，并回答您的textArray字符串的设定值转换，然后再次把它转换成JSON字符串

来源

2013-10-31 12:35:35

iOS：将字符串数组发布到以下JSON的Web服务

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