如何获取重定向的URL [英] How to get Redirected URL

问题描述

我有一个URL。当我尝试在浏览器中打开它时，它会重定向到另一个URL&显示内容。我想要那个内容但是我没有得到那个重定向的URL。所以，我无法显示数据。

我该如何以编程的方式来做这件事？

我拥有的网址： http://www.windpowerengineering.com/?p=11020

&重定向的URL是： http://www.windpowerengineering.com/design/mechanical/blades/bladeless-turbine-converts-wind-into-fluid-power/

我想要这个重定向的网址。 1）指定你的类符合UIWebViewDelegate协议（并确保你的WebView的代理插座连接到你的视图控制器）：

  @interface YourWebsiteViewController：UIViewController< UIWebViewDelegate> 
  

2）添加以下代理方法：

   - （void）webViewDidStartLoad：（UIWebView *）webView 
 {
 NSURL * url = [webView.request mainDocumentURL]; 
 NSLog（@The Redirected URL is：％@，url）; 
} 
  

根据您要使用此信息所做的操作，您可能需要用这个方法代替＃2（这会让你有机会阻止加载页面）：

$ $ $ $ $ $ $ $ $ - - （BOOL） webView：（UIWebView *）webView shouldStartLoadWithRequest：（NSURLRequest *）request navigationType：（UIWebViewNavigationType）navigationType
{
NSURL * url = [request mainDocumentURL];
NSLog（@The Redirected URL is：％@，url）;
//如果你想加载页面，返回YES，如果你不加载，则返回NO。
return NO;
}

I have a URL.when i try to open it in browser, it will redirect to another URL & display the Content. I want that content But i don't get that redirected URL. So, I can't able to display data.

How can i do that programmatically??

e.g. URL which i have : http://www.windpowerengineering.com/?p=11020

& the redirected URL is: http://www.windpowerengineering.com/design/mechanical/blades/bladeless-turbine-converts-wind-into-fluid-power/

I want this redirected URL. How can i get this?

解决方案

1) Specify that your class conforms to the UIWebViewDelegate protocol (and make sure your WebView's delegate outlet is connected to your view controller):

@interface YourWebsiteViewController : UIViewController <UIWebViewDelegate>

2) Add the following delegate method:

-(void)webViewDidStartLoad:(UIWebView *)webView
{
    NSURL *url = [webView.request mainDocumentURL];
    NSLog(@"The Redirected URL is: %@", url);
}

Depending on what you're trying to do with this information, you might want to substitute #2 for this method (which will allow you the opportunity to prevent a page from loading):

- (BOOL)webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request navigationType:(UIWebViewNavigationType)navigationType
{
    NSURL *url = [request mainDocumentURL];
    NSLog(@"The Redirected URL is: %@", url);
    // Return YES if you want to load the page, and NO if you don't.
    return NO;
}

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