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上一篇《VC++得到计算机名和用户名》讲解了如何使用GetComputerName和GetUserName来获取计算机名称及用户名。本篇来讲解用SetComputerName来修改计算机名称。
函数原型:
//By MoreWindows-(http://blog.csdn.net/MoreWindows)
BOOLWINAPISetComputerName(
__in LPCTSTRlpComputerName
);
对于计算机名称有一定的要求,MSDN的解释如下:
The computer name that will take effect the next time the computer is started. The name must not be longer than MAX_COMPUTERNAME_LENGTH characters.
The standard character set includes letters, numbers, and the following symbols: ! @ # $ % ^ & ' ) ( . - _ { } ~ . If this parameter contains one or more characters that are outside the standard character set, SetComputerName returns ERROR_INVALID_PARAMETER.
// VC++修改计算机名称 // http://blog.csdn.net/morewindows/article/details/8659430 //By MoreWindows-(http://blog.csdn.net/MoreWindows) #include <windows.h> #include <stdio.h> #include <conio.h> int main() { printf(" VC++修改计算机名称 \n"); printf(" -- By MoreWindows( http://blog.csdn.net/MoreWindows ) --\n\n"); const int MAX_BUFFER_LEN = 500; char szBuffer[MAX_BUFFER_LEN]; DWORD dwNameLen; dwNameLen = MAX_BUFFER_LEN; if (!GetComputerName(szBuffer, &dwNameLen)) { printf("Error %d\n", GetLastError()); return -1; } printf("当前计算机名为: %s\n", szBuffer); printf("要改名吗?(y/n)\n"); int ch = getch(); ch = toupper(ch); if (ch == 'Y') { printf("请输入新名称:"); gets(szBuffer); if (strlen(szBuffer) != 0) { if (SetComputerName(szBuffer)) printf("恭喜!改名成功,重启后生效\n"); else printf("Error %d\n", GetLastError()); } } return 0; }
先修改下
重启后可以发现计算机的名称已经被修改了。
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