分类UIWebView错误并显示在iPhone应用程序？

Question

是他们的任何类别的UIWebView可能的错误？在我的应用程序中，我需要显示加载url时发生的实际错误。我可以打印在didFailLoadWithError方法的错误，但在提供了有关错误类似

didFailLoadWithError Error Domain=NSURLErrorDomain Code=-1003 "A server with the specified hostname could not be found." UserInfo=0x895fb10 {NSErrorFailingURLStringKey=https://mobilelogin.bwanet.ca/mdninput.html?csphostid=J13y8E9t000Mb3ZK00001H7R, NSErrorFailingURLKey=https://mobilelogin.bwanet.ca/mdninput.html?csphostid=J13y8E9t000Mb3ZK00001H7R, NSLocalizedDescription=A server with the specified hostname could not be found., NSUnderlyingError=0x8c68f20 "A server with the specified hostname could not be found."} 

我将如何分类，这些可能出现的错误很长的描述，我想喜欢 显示为“指定的主机找不到” “网址超时错误” 等

Answer 1

在这篇文章中，你可以找到可能的错误代码列表中，这将有助于您在使用特定的错误字符串来对其进行分类：Undocumented NSURLErrorDomain error codes (-1001, -1003 and -1004) using StoreKit

Answer 2

还好，在didFailWithError方法

if (error.code==NSURLErrorTimedOut) { 

     errorReason=@"URL Time Out Error "; 

    } 
    else if (error.code==NSURLErrorCannotFindHost) { 
     errorReason=@"Cannot Find Host "; 

    } 
     else if (error.code==NSURLErrorCannotConnectToHost) { 
      errorReason=@"Cannot Connect To Host"; 

    } 
      else if (error.code==NSURLErrorNetworkConnectionLost) { 
       errorReason=@"Network Connection Lost"; 

     } 
        else if (error.code==NSURLErrorUnknown) { 
         errorReason=@"Unknown Error"; 

      } 
           else { 
            errorReason=@"Loading Failed"; 

        } 
UIAlertView *errorAlert=[[UIAlertView alloc]initWithTitle:errorReason message:@"Redirecting to the server failed. do you want to EXIT the app" delegate:self cancelButtonTitle:@"EXIT" otherButtonTitles:@"RELOAD", nil]; 


    [errorAlert show]; 
    [errorAlert release];