谁有空帮分析个事:
BOOL ExecDosCmd(char * DosCmd,char *OutputFile)
{
SECURITY_ATTRIBUTES sa;
HANDLE hRead,hWrite;
sa.nLength = sizeof(SECURITY_ATTRIBUTES);
sa.lpSecurityDescriptor = NULL;
sa.bInheritHandle = TRUE;
if (!CreatePipe(&hRead,&hWrite,&sa,0))
{
return FALSE;
}
char command[1024]; //长达1K的命令行,够用了吧
strcpy(command,"Cmd.exe /C ");
strcat(command,DosCmd);
STARTUPINFO si;
PROCESS_INFORMATION pi;
si.cb = sizeof(STARTUPINFO);
GetStartupInfo(&si);
si.hStdError = hWrite; //把创建进程的标准错误输出重定向到管道输入
si.hStdOutput = hWrite; //把创建进程的标准输出重定向到管道输入
si.wShowWindow = SW_HIDE;
si.dwFlags = STARTF_USESHOWWINDOW | STARTF_USESTDHANDLES;
//关键步骤,CreateProcess函数参数意义请查阅MSDN
if (!CreateProcess(NULL, command,NULL,NULL,TRUE,NULL,NULL,NULL,&si,&pi))
{
CloseHandle(hWrite);
CloseHandle(hRead);
return FALSE;
}
CloseHandle(hWrite); FILE * pFile;
pFile = fopen(OutputFile,"wt+");
if (pFile == NULL)
{
CloseHandle(hRead);
return FALSE;
}
char buffer[4096] = {0}; //用4K的空间来存储输出的内容,只要不是显示文件内容,一般情况下是够用了。
DWORD bytesRead;
while (true)
{
memset(buffer,0,4096);
if (ReadFile(hRead,buffer,4095,&bytesRead,NULL) == NULL)
break;
//buffer中就是执行的结果,可以保存到文本,也可以直接输出
//printf(buffer); //这里是弹出对话框显示,保存到文件的话自己改一下吧
fputs(buffer,pFile);
}
fclose(pFile);
CloseHandle(hRead);
return TRUE;
}
///////////////////
如果我ExecDosCmd("ping 192.168.10.1","e: \\pingresult.txt");
文件里面某些行的结尾会有个小黑方块是怎么意思
BOOL ExecDosCmd(char * DosCmd,char *OutputFile)
{
SECURITY_ATTRIBUTES sa;
HANDLE hRead,hWrite;
sa.nLength = sizeof(SECURITY_ATTRIBUTES);
sa.lpSecurityDescriptor = NULL;
sa.bInheritHandle = TRUE;
if (!CreatePipe(&hRead,&hWrite,&sa,0))
{
return FALSE;
}
char command[1024]; //长达1K的命令行,够用了吧
strcpy(command,"Cmd.exe /C ");
strcat(command,DosCmd);
STARTUPINFO si;
PROCESS_INFORMATION pi;
si.cb = sizeof(STARTUPINFO);
GetStartupInfo(&si);
si.hStdError = hWrite; //把创建进程的标准错误输出重定向到管道输入
si.hStdOutput = hWrite; //把创建进程的标准输出重定向到管道输入
si.wShowWindow = SW_HIDE;
si.dwFlags = STARTF_USESHOWWINDOW | STARTF_USESTDHANDLES;
//关键步骤,CreateProcess函数参数意义请查阅MSDN
if (!CreateProcess(NULL, command,NULL,NULL,TRUE,NULL,NULL,NULL,&si,&pi))
{
CloseHandle(hWrite);
CloseHandle(hRead);
return FALSE;
}
CloseHandle(hWrite); FILE * pFile;
pFile = fopen(OutputFile,"wt+");
if (pFile == NULL)
{
CloseHandle(hRead);
return FALSE;
}
char buffer[4096] = {0}; //用4K的空间来存储输出的内容,只要不是显示文件内容,一般情况下是够用了。
DWORD bytesRead;
while (true)
{
memset(buffer,0,4096);
if (ReadFile(hRead,buffer,4095,&bytesRead,NULL) == NULL)
break;
//buffer中就是执行的结果,可以保存到文本,也可以直接输出
//printf(buffer); //这里是弹出对话框显示,保存到文件的话自己改一下吧
fputs(buffer,pFile);
}
fclose(pFile);
CloseHandle(hRead);
return TRUE;
}
///////////////////
如果我ExecDosCmd("ping 192.168.10.1","e: \\pingresult.txt");
文件里面某些行的结尾会有个小黑方块是怎么意思
你是用什么软件打开的?我是记事本。
用winhex查看了下,也没有特殊的字符。行末就是0x0D和0x0A。
文末是0ms“方快”,对应的16进制数据是30 6D 73 0D 0D 0D 0A