Objective c 我正在用带有头的摘要身份验证实现api，而不是从下面的代码获得响应

最后，我找到了使用头的摘要身份验证解决方案 -（无效）洛吉纳皮 {

---

}

“无响应”，意思是什么？是否调用了

completionHandler

？

dic

nil吗？（您没有将

NSError

参数放入

NSJSONSerialization

）。

数据是否为零？到底发生了什么？我运行您的代码，它显示如下响应数据={“状态”：false，“错误”：“无效凭据”}如果您使用表单数据（empcode:divya）点击postman中的api。p@ecreeds.com，密码：cc03e747a6afbbcbf8be7668acfebee5）和摘要身份验证标头，u将获取用户登录详细信息。但从代码中，它将显示无效凭据。
-(void)httpPostWithCustomDelegate
{
    NSString *st = @"Digest username=\"admin\", realm=\"REST API\", nonce=\"1\", uri=\"/canteen/restserver/index.php/welcome/login\", qop=auth, nc=2, cnonce=\"2\", response=\"0097667c159d30166fb195909955ebac\", opaque=\"1\"";
    NSDictionary *headers = @{ @"authorization":st,@"cache-control":@"no-cache"};

    NSURLSessionConfiguration *defaultConfigObject = [NSURLSessionConfiguration defaultSessionConfiguration];
    NSURLSession *defaultSession = [NSURLSession sessionWithConfiguration: defaultConfigObject delegate: nil delegateQueue: [NSOperationQueue mainQueue]];

    NSURL * url = [NSURL URLWithString:@"http://canteen.mostlovedcountry.com/restserver/index.php/welcome/login"];
    NSMutableURLRequest * urlRequest = [NSMutableURLRequest requestWithURL:url];
    NSString * params =@"empcode=divya.p@ecreeds.com&password=cc03e747a6afbbcbf8be7668acfebee5";
    [urlRequest setHTTPMethod:@"POST"];
    [urlRequest setHTTPBody:[params dataUsingEncoding:NSUTF8StringEncoding]];
    [urlRequest setAllHTTPHeaderFields:headers];

    NSURLSessionDataTask * dataTask =[defaultSession dataTaskWithRequest:urlRequest
                                                       completionHandler:^(NSData *data, NSURLResponse *response, NSError *error) {
                                                           NSDictionary *dic = [NSJSONSerialization JSONObjectWithData:data options:kNilOptions error:nil];

                                                    NSLog(@"%@", dic);
                                        NSLog(@"Response:%@",response);
                                                           NSLog(@"%@",error);
                                                           if(error == nil)
                                                           {
                                                               NSString * text = [[NSString alloc] initWithData: data encoding: NSUTF8StringEncoding];
                                                               NSLog(@"Data = %@",text);
                                                           }

                                                       }];
    [dataTask resume];

}

NSDictionary *headers = @{@"content-type": @"application/x-www-form-urlencoded",  @"authorization": @"Digest username=\"admin\", realm=\"REST API\", nonce=\"1\", uri=\"/restserver/index.php/welcome/login\", qop=auth, nc=1, cnonce=\"1\", response=\"e35d1ebfcfa17a119ee0b45c6703cb8e\", opaque=\"1\"", @"cache-control": @"no-cache" };



NSMutableData *postData = [[NSMutableData alloc] initWithData:[[NSString stringWithFormat:@"empcode=divya.p@ecreeds.com"] dataUsingEncoding:NSUTF8StringEncoding]];

[postData appendData:[[NSString stringWithFormat:@"&password=cc03e747a6afbbcbf8be7668acfebee5"] dataUsingEncoding:NSUTF8StringEncoding]];

NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:@"http://canteen.mostlovedcountry.com/restserver/index.php/welcome/login"]

                                                       cachePolicy:NSURLRequestUseProtocolCachePolicy

                                                   timeoutInterval:10.0];


[request setHTTPMethod:@"POST"];

[request setAllHTTPHeaderFields:headers];

[request setHTTPBody:postData];



NSURLSession *session = [NSURLSession sharedSession];

NSURLSessionDataTask *dataTask = [session dataTaskWithRequest:request

                                            completionHandler:^(NSData *data, NSURLResponse *response, NSError *error) {

                                                if (error) {

                                                    NSLog(@"%@", error);

                                                } else {

                                                    NSHTTPURLResponse *httpResponse = (NSHTTPURLResponse *) response;

                                                    NSLog(@"%@", httpResponse);

                                                    NSDictionary *dic = [NSJSONSerialization JSONObjectWithData:data options:kNilOptions error:nil];

                                                    NSLog(@"%@", dic);

                                                }

                                            }];

[dataTask resume];