Windows CE 下判断 URL 地址是否有效

直接上代码了。

 1 /* 
 2 有效网址：http://tyq3.huaxiazi.com/mp3/全人类最冷的27个笑话/lxh025.wma  
 3 无效网址：http://tyq3.huaxiazi.com/mp3/100001/奇幻鬼故事/qhggs00802.mp3  
 4 */  
 5 #include "Wininet.h"  
 6 #pragma comment (lib, "wininet.lib")   
 7 #define BUFFER_SIZE 20  
 8 BOOL CGetIPFromURLDlg::CheckUrlFileExist(TCHAR *ptcFileAddress)  
 9 {  
10     HINTERNET hInternet = NULL;  
11     TCHAR tcRet[BUFFER_SIZE + 1];  
12     DWORD dwBufLength = BUFFER_SIZE;  
13     DWORD dwIndex = 0;  
14   
15     ZeroMemory(tcRet,sizeof(TCHAR) * (BUFFER_SIZE + 1));  
16   
17     ghInstance = InternetOpen(L"InetURL:/1.0",   
18         INTERNET_OPEN_TYPE_PRECONFIG,  
19         NULL,  
20         NULL,  
21         0/*INTERNET_FLAG_ASYNC*/);  
22     if(NULL == ghInstance)  
23     {  
24         RETAILMSG(1,(L"Call InternetOpen failed: %d\r\n",GetLastError()));  
25         return FALSE;  
26     }  
27     hInternet = InternetOpenUrl(ghInstance,ptcFileAddress,NULL,0,INTERNET_FLAG_RELOAD,0);  
28     if(NULL == hInternet)  
29     {  
30         RETAILMSG(1,(L"Call InternetOpenUrl failed: %d\r\n",GetLastError()));  
31         return FALSE;  
32     }  
33     if(HttpQueryInfo(hInternet,HTTP_QUERY_STATUS_CODE,tcRet,&dwBufLength,&dwIndex))  
34     {  
35         if(0 != _wcsicmp(tcRet,L"200") && 0 != _wcsicmp(tcRet,L"302"))  
36         {  
37             RETAILMSG(1,(L"Invalid www address: %s!\r\n",tcRet));  
38             return FALSE;  
39         }  
40     }  
41     else  
42     {  
43         RETAILMSG(1,(L"Call HttpQueryInfo failed: %d\r\n",GetLastError()));  
44         return FALSE;  
45     }  
46   
47     RETAILMSG(1,(L"Valid www address: %s!\r\n",tcRet));  
48     return TRUE;  
49 }

 

posted @ 2016-02-22 10:03  91program  阅读(666)  评论(0)  编辑  收藏  举报