代码:

#include 
     
      #include 
      
       #include 
       
        #include 
        
         //清空剪切板int ClearClipboradBuffer(){ HGLOBAL hClipboard = NULL; if( OpenClipboard( NULL ) ) {   hClipboard = GetClipboardData( CF_TEXT );  GlobalFree( hClipboard );  EmptyClipboard();  CloseClipboard();  return 0; } else {  return -1; }}//将字符串放到剪切板int AppendBufferToClipboard( char *cBuffer, int nSize ){ HGLOBAL hClipboard = NULL; char *pClipBuf = NULL; if( OpenClipboard( NULL ) ) {   hClipboard = GlobalAlloc( GMEM_DDESHARE, nSize+1 );  pClipBuf = (char*)GlobalLock(hClipboard);  memset( pClipBuf, 0, nSize+1 );  memcpy( pClipBuf, cBuffer, nSize );  GlobalUnlock( hClipboard );  SetClipboardData( CF_TEXT, hClipboard );  CloseClipboard(); } else {  return -1; } return 0;}int main(){    char str[100];    char preTitle[20] = {
   0};    char buf[512] = {
   0};    printf("1.【*hlwyfeng*分享】\n");    printf("2.自定义输入\n");    printf("3.不添加\n");    printf("***************************\n");    printf("请选择: ");    int choose;    scanf("%d", &choose);    switch(choose){    case 1:        strcpy(preTitle,"【*hlwyfeng*分享】");        system("cls");        break;    case 2:        printf("请输入标题前缀: ");        scanf("%s", preTitle);        getchar();        system("cls");        break;    case 3:    default:        system("cls");    }    while(1){        printf("输入要处理的字符串: \n");        //scanf("%s", str);//遇到空格会停        gets(str);        int k = strlen(str);        //*****测试        ClearClipboradBuffer();        //*****测试        for(int i = 0; i < k; i++){            if (str[i] == ' ')                str[i] = '_';        }        system("cls");        int p = sprintf(buf,"%s%s",preTitle, str);        printf("%s\n", str);        //*****测试        AppendBufferToClipboard(buf, p);        //*****测试    }    return 0;}//*****测试//*****测试