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iOS中强行设定UserAgent用AFNetworking请求拿到HTML 开始正题:(代码顺序1、2、3都放在一个方法里,其中2只负责测试参考,可以不添加)

1.指定链接、UserAgent和对UserAgent的存储更换!

// 要访问的链接

NSString *url = @"http://sh.58.com/ershoufang/35124211015627x.shtml?from=1-list-14&iuType=p_0&PGTID=0d30000c-0000-2696-f211-630768388da3&ClickID=1";

// 任意找到的PC端UserAgent

NSString *stringPC    =@"User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36";

// 任意找到的客户端UserAgentd

NSString *stringClient = @"User-Agent: Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Mobile Safari/537.36";

// 直接指定访问的UserAgent!很重要!很神奇!

[[NSUserDefaults standardUserDefaults] registerDefaults:@{@"UserAgent":stringClient}];

2:用于测试,NSLog打印 查看UserAgent的替换是否正确!

// 简单的创建WebView

UIWebView *webView = [[UIWebView alloc]initWithFrame:CGRectMake(0, 20, self.view.bounds.size.width, self.view.bounds.size.height-20)];

//发请求

NSURLRequest *req = [NSURLRequest requestWithURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@",url]]];

webView.scalesPageToFit=YES;

[webViewloadRequest:req];

[self.view addSubview:webView];

// 通过webView的方法获取UserAgent,指定的PC或客户端UserAgent不同答应的也不同

NSString*userAgentString = [webView stringByEvaluatingJavaScriptFromString:@"navigator.userAgent"];

// 打印UserAgent

NSLog(@"000000000000000useragent = %@",userAgentString);

NSLog查看打印的数据(若指定的事客户端)如:

000000000000000useragent = Mozilla/5.0 (iPhone; CPU iPhone OS 11_4 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15F79 3:重点来了,开始请求了!

AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];

manager.responseSerializer = [AFHTTPResponseSerializer serializer];

[manager.responseSerializer setAcceptableContentTypes:[NSSet setWithObjects:@"text/html", nil]];

[managerGET:urlparameters:nilprogress:nilsuccess:^(NSURLSessionDataTask*_Nonnulltask,id  _NullableresponseObject) {

    if ([task.response isKindOfClass:[NSHTTPURLResponse class]]) {

        NSHTTPURLResponse *r = (NSHTTPURLResponse *)task.response;

        NSLog(@"%@",[rallHeaderFields]);

   }

    NSError*error;

(这里用的”ONOXMLDocument“通过cocoaPod在pod 'Ono', '~> 2.1.1',导入头文件#import "Ono.h")

    // 将返回的data数据 转化成html格式的文本 (可用字符串接收)

    ONOXMLDocument *document = [ONOXMLDocument HTMLDocumentWithData:responseObject error:&error];

    NSLog(@"2222222222222222222222document:%@",document);

}failure:^(NSURLSessionDataTask*_Nullabletask,NSError*_Nonnullerror) {

    NSLog(@"%@",[error localizedDescription]);

}];

// 最后将document 单做一个字符串 请求本公司后台的一个接口用作参数传给本公司后台!

NSLog查看打印的数据是:

2222222222222222222222document:HTML格式的数据!!! 可以说很详细了,这个知识点偏深冷,亲测可行!若有问题 留下联系方式,交流!

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iOS中强行设定UserAgent用AFNetworking请求拿到HTML

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