URLDownloadToFile 函数用法

 1 #include <stdio.h>
 2 #include <Urlmon.h>
 3 #include <Wininet.h>
 4  
 5 #pragma comment(lib,"Urlmon.lib")
 6  
 7 #pragma comment(lib, "Wininet.lib")
 8  
 9 int main()
10 {
11     CoInitialize(NULL);
12     char *pURL = "http://hi.baidu.com/appview/blog/item/4078622e36e23b2c359bf761.html";
13     char *pFileName = "D:\\a.html";
14     char szBuffer[1024*128] = {0};
15     unsigned long iSize = 0;
16     char szPreCommand[128] = {0};
17      
18     DeleteUrlCacheEntry(pURL);//清空缓存，否则服务器上的文件修改后，无法下载最新的文件
19     if (URLDownloadToFile(NULL, pURL, pFileName, 0, NULL)==S_OK)
20     {   
21         printf("URLDownloadToFile OK\n");
22     }
23     else
24     {
25         printf("URLDownloadToFile Fail,Error:%d\n", GetLastError());
26     }
27     CoUninitialize();
28 }