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#include<windows.h> #include<wininet.h> #include<stdio.h> #pragma comment(lib,"wininet.lib") typedef int Bool; Bool UrlDownLoadToFile(const char *purl,const char *pfile) ; void main() { char szurl[100]; char szfile[100]; while(1) { printf("url:"); gets(szurl);//输入url printf("\nlocation:"); gets(szfile);//把读取的文件存在本地的哪个位置 //printf("%s",szfile); UrlDownLoadToFile(szurl,szfile); } } Bool UrlDownLoadToFile(const char *purl,const char *pfile) { DWORD byteread=0; char buffer[4096]; memset(buffer,0,4096);//全置为0 HINTERNET internetopen;//internet句柄 internetopen = InternetOpen("Testing",INTERNET_OPEN_TYPE_PRECONFIG,NULL,NULL,0); //返回一个句柄 if (NULL == internetopen) { printf("Internet open failed!\n"); InternetCloseHandle(internetopen);//关闭句柄 return 0; } HINTERNET internetopenurl; internetopenurl = InternetOpenUrl(internetopen, purl, NULL,0,INTERNET_FLAG_RELOAD,0); if (NULL == internetopenurl) { printf("Internet open url failed!\n"); InternetCloseHandle(internetopen); InternetCloseHandle(internetopenurl); return 0; } BOOL hwrite; DWORD written; HANDLE createfile; createfile = CreateFile(pfile,GENERIC_WRITE,0,0,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,0); if (createfile == INVALID_HANDLE_VALUE) { printf("Create File failed!\n"); InternetCloseHandle(internetopen); InternetCloseHandle(internetopenurl); CloseHandle(createfile); return 0; } BOOL internetreadfile; while(1) { internetreadfile=InternetReadFile(internetopenurl,buffer,sizeof(buffer),&byteread); //::Sleep(2000); if(byteread==0) break; hwrite=WriteFile(createfile,buffer,sizeof(buffer),&written,NULL); //::Sleep(2000); if (hwrite==0) { printf("Write to file failed!\n"); InternetCloseHandle(internetopen); InternetCloseHandle(internetopenurl); CloseHandle(createfile); CloseHandle(createfile); return 0; } } // LPDWORD buffer1[4096]; //::ReadFile(createfile,(LPVOID)buffer,4095,buffer1,NULL); //buffer[4095] = '\0'; //printf("%d\n%s\n",strlen(buffer1),buffer); printf("Finished downloading!\n"); InternetCloseHandle(internetopen); InternetCloseHandle(internetopenurl); CloseHandle(createfile); CloseHandle(createfile); return 1; }