我已经通读了与 TouchJSON 序列化相关的问题和答案,但仍然无法正常工作。
我使用示例数据创建了一个 NSDictionary,并使用 JSONTouch 序列化程序将 NSDictionary 转换为 JSON。但是,当我记录 NSData 对象“theJSONData”时,结果是这样的:
<7b223131 31353535 34343434 223a2250 ... 65227d>
此外,当我将这个“theJSONData”数据发送到 Web 服务(期待 JSON)时,这就是我得到的结果:
2011-07-31 18:48:46.572 路灯[7169:207] 序列化错误:(空)
2011-07-31 18:48:46.804 路灯 [7169:207] returnData: (null)
2011-07-31 18:48:46.805 路灯 [7169:207] 错误:错误域=kJSONScannerErrorDomain 代码=-201 “无法扫描数组。数组不是由 '[' 字符开始的。” UserInfo=0x4d51ab0 {snippet=!HERE>!?xml version="1.0" , location=0, NSLocalizedDescription=无法扫描数组。数组不是由 '[' 字符开始的。,字符=0,行=0}
我究竟做错了什么?在将 JSON NSData 对象“theJSONData”发送到 Web 服务之前,是否需要将其转换为另一种类型?我还缺少另一个步骤吗?
// Create the dictionary
NSDictionary *outage = [[NSDictionary alloc] initWithObjectsAndKeys:
@"YCoord", @"12678967.543233",
@"XCoord", @"12678967.543233",
@"StreetLightID", @"666",
@"StreetLightCondition", @"Let's just say 'BAD'",
@"PhoneNumber", @"1115554444",
@"LastName", @"Smith",
@"Image",@"",
@"FirstName", @"Dawn",
@"Comments", @"Pole knocked down",
nil];
NSError *error = NULL;
// Serialize the data
NSData *theJSONData = [[CJSONSerializer serializer] serializeDictionary:outage error:&error];
NSLog(@"theJSONData: %@", theJSONData);
NSLog(@"Serialization Error: %@", error);
// Set up the request and send it
NSMutableURLRequest *request = [[NSMutableURLRequest alloc] initWithURL: [NSURL URLWithString: @"http://24.52.35.127:81/StreetLight/StreetlightService/CreateStreetLightOutage"]];
[request setHTTPMethod: @"POST"];
[request setHTTPBody: theJSONData];
// Deserialize the response
NSData *returnData = [ NSURLConnection sendSynchronousRequest: request returningResponse: nil error:&error];
NSString *returnString = [[NSString alloc] initWithData:returnData encoding: NSUTF8StringEncoding];
NSData *theReturnData = [returnString dataUsingEncoding:NSUTF8StringEncoding];
id theObject = [[CJSONDeserializer deserializer] deserializeAsArray:theReturnData error:&error];
NSLog(@"returnData: %@",theObject);
NSLog(@"Error: %@", error);