NSURLSession访问HTTPS网站-优快云博客

本文介绍了一个使用Objective-C编写的iOS应用中加载网页数据的方法。通过利用NSURLSession进行网络请求，并处理响应数据，最终实现了在iOS应用中加载并显示网页内容的功能。

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-(void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
{
    NSString *str = @"https://www.baidu.com";
    NSURL *url = [NSURL URLWithString:str];
    
    NSURLSession *session = [NSURLSession sessionWithConfiguration:[NSURLSessionConfiguration defaultSessionConfiguration] delegate:self delegateQueue:[NSOperationQueue mainQueue]];
    NSURLSessionDataTask *task = [session dataTaskWithURL:url completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error) {
        
        NSLog(@"%@", [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding]);
    }];
    
    [task resume];
}

- (void)URLSession:(NSURLSession *)session task:(NSURLSessionTask *)task
didReceiveChallenge:(NSURLAuthenticationChallenge *)challenge
 completionHandler:(void (^)(NSURLSessionAuthChallengeDisposition disposition, NSURLCredential * _Nullable credential))completionHandler
{
    if([challenge.protectionSpace.authenticationMethod isEqualToString:NSURLAuthenticationMethodServerTrust]){
        NSURLCredential *credential = [[NSURLCredential alloc] initWithTrust:challenge.protectionSpace.serverTrust];
        
        completionHandler(NSURLSessionAuthChallengeUseCredential, credential);
    }
}

转载于:https://my.oschina.net/mexiaobai1315/blog/1557289