Question

我一直在尝试从http://support.wan.travel/hc/en-us/articles/200191669实施使用HTTP POST请求的Wego flight API。我之前只使用过GET请求，所以我在POST上做了一些阅读，到目前为止，我还没能找到一种方法来发布一个带有飞行数据字典的请求（在objective-c中），如图所示上面的链接：

POST api.wego.com/flights/api/k/2/searches

{
  "trips": [
    {
      "departure_code": "SYD",
      "arrival_code": "LON",
      "outbound_date": "2014-01-24",
      "inbound_date": "2014-01-29"
    }
  ],
  "adults_count": 1
}

我是否必须自己创建NSDictionary，然后（将？）分配给请求，或者有没有办法将字典格式化为字符串？在此先感谢您的任何帮助：）

Answer 1

您必须按如下方式创建POST数据：

NSDictionary *trips = [NSDictionary dictionaryWithObjectsAndKeys:
                       @"SYD", @"departure_code",
                       @"LON", @"arrival_code",
                       @"2014-01-24", @"outbound_date",
                       @"2014-01-29", @"inbound_date",
                       nil];
NSDictionary *postDict = [NSDictionary dictionaryWithObjectsAndKeys:
                      trips, @"trips",
                      @"1", @"adults_count",
                      nil];

NSError *jsonError = nil;
NSData *jsonData = [NSJSONSerialization dataWithJSONObject:postDict options:NSJSONWritingPrettyPrinted error:&jsonError];

然后发出POST请求：

NSURL *url = [[NSURL alloc] initWithString:@"http://api.wego.com/flights/api/k/2/searches"];
NSMutableURLRequest *urlRequest = [NSMutableURLRequest requestWithURL:url cachePolicy:NSURLRequestReloadIgnoringCacheData timeoutInterval:15];
[urlRequest setHTTPMethod:@"POST"];

const char *parameters = [jsonData bytes];
NSData *postData = [[NSData alloc] initWithBytes:parameters length:strlen(parameters)];
[urlRequest setHTTPBody:postData];

NSURLResponse *response = nil;
NSError *requestError = nil;
NSData * data = [NSURLConnection sendSynchronousRequest:urlRequest returningResponse:&response error:&requestError];
NSLog(@"%@", [NSString stringWithUTF8String:[data bytes]]);

使用POST进行航班API

1 个答案: