本文介绍了使用AFNetworking发送嵌套JSON的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
要将注册数据发送到服务器，我使用的JSON格式如下：
To send registration data to server, I am using JSON is in following form:
{"regData": {
"City":"Some City",
"Country":"Some Country",
"Email_Id":"[email protected]",
"MobileNumber":"+00xxxxxxxxxx",
"UserName":"Name Of user"
}
}
以下是发送方式。
NSURL * url = [[NSURL alloc] initWithString:registerUrlString];
AFHTTPClient * httpClient = [[AFHTTPClient alloc] initWithBaseURL:url];
httpClient.parameterEncoding = AFJSONParameterEncoding;
[[AFNetworkActivityIndicatorManager sharedManager] setEnabled:YES];
NSDictionary * params = @{@"regData": @{
@"City": self.cityField.text,
@"Country": self.countryField.text,
@"Email_Id": self.emailField.text,
@"MobileNumber": self.numberField.text,
@"UserName": self.userName.text,
}
};
NSMutableURLRequest * request = [httpClient requestWithMethod:@"POST" path:registerUrlString parameters:params];
AFHTTPRequestOperation * operation = [AFJSONRequestOperation JSONRequestOperationWithRequest:request success:^(NSURLRequest *request, NSHTTPURLResponse *response, id JSON) {
NSLog(@"Success: %@", JSON);
} failure:^(NSURLRequest *request, NSHTTPURLResponse *response, NSError *error, id JSON) {
NSLog(@"Error: %@", [error debugDescription]);
}];
[operation start];
但遗憾的是我收到此错误：
But unfortunately I am getting this error:
错误Domain = NSCocoaErrorDomain Code = 3840操作无法完成。（Cocoa error 3840。）（JSON文本不是以数组或对象开头，而是选项允许未设置片段。） UserInfo = 0x94b3c30 {NSDebugDescription = JSON文本没有以数组或对象开头，并且选项允许未设置片段。}
推荐答案
您的要求没问题。由于您的服务器使用无效的JSON对象进行响应，因此返回错误错误域= NSCocoaErrorDomain Code = 3840 。 NSLog operation.responseString 查看发回的内容。
Your request is fine. The error Error Domain=NSCocoaErrorDomain Code=3840 is being returned because your server is responding with invalid JSON object. NSLog operation.responseString to see what's being sent back.
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