在java中工作,而不是在目标c中工作。进入“Json Data Posted”状态后,数据不会保存在数据库中。 我应该以如下所示的格式发送数据以获得json响应
{
"ProjID": "78",
"Uid": "12",
"EmailID": "ratnam_nv@yahoo.com",
"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"
}
]
};
我发送的日志字典的格式如下所示。
上述代码与我的日志截图之间的差异是';'在每个键值对之后,我得到了标题中提到的响应。
有任何纠正代码/逻辑的建议吗?这就是我编码的内容。
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", @"ratnam_nv@yahoo.com", @"EmailID", arrayAnswer, @"ProjectInviterFQAnswer", nil];
NSLog(@"Dictionary that is being sent to URL is = %@", dictionary);
NSURL *url = [NSURL URLWithString:@"http://cnapi.iconnectgroup.com/api/QRCodeScan/SaveAnswers"];
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);
[activity stopAnimating];
}
}];
}
答案 0 :(得分:1)
所以这就是我如何解决自己的问题。
NSString *str = @"{\"ProjID\": \"78\",\"Uid\": \"12\",\"EmailID\": \"ratnam_nv@yahoo.com\",";
str = [str stringByAppendingString:@"\"ProjectInviterFQAnswers\": ["];
str = [str stringByAppendingString:@"{\"slno\": \"1\",\"Answer\": \"a1\",\"order\": \"1\", \"flag\": \"F\"},"];
str = [str stringByAppendingString:@"{\"slno\": \"2\",\"Answer\": \"a1\",\"order\": \"1\",\"flag\": \"F\"},"];
str = [str stringByAppendingString:@"{\"slno\": \"1\",\"Answer\": \"a1\",\"order\": \"2\",\"flag\": \"Q\"}"];
str = [str stringByAppendingString:@"]}"];
NSLog(@"String is === %@", str);
NSURL *url = [NSURL URLWithString:@"http://cnapi.iconnectgroup.com/api/QRCodeScan/SaveAnswers/"];
NSMutableURLRequest *request = [[NSMutableURLRequest alloc] initWithURL:url];
NSData *requestData = [str dataUsingEncoding:NSUTF8StringEncoding];
[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);
}
}];
答案 1 :(得分:0)
在我的情况下,我得到了同样的错误,问题是我将错误的数据发送到服务。基本上,错误是由使用以下行设置错误的正文引起的:
[request setHTTPBody: requestData];
之间,在iOS9中不推荐使用sendSynchronousRequest。使用
...
NSURLSessionDataTask * dataTask = [[NSURLSession sharedSession] dataTaskWithRequest:request
completionHandler:^(NSData *data,
NSURLResponse *response,
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);
[activity stopAnimating];
}
}] resume];