subject_37573.htm

一些关于vc的问答

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序号：37573 发表者：风吹沙 发表日期：2003-04-25 20:47:48
<br>主题：向高手请教文件读写的问题
<br>内容：void CHelloView::OnViewOpen() <BR>{<BR>&nbsp;&nbsp;CFileDialog dlg(TRUE,NULL,NULL,NULL,"txt(*.txt)|*.txt");<BR>&nbsp;&nbsp;if(dlg.DoModal()==IDOK)<BR>&nbsp;&nbsp;{&nbsp;&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;FILE *fp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;char ch;<BR>&nbsp;&nbsp;&nbsp;&nbsp;if((fopen("dlg.GetPathName()","r+")==NULL))<BR>&nbsp;&nbsp;&nbsp;&nbsp;{<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;AfxMessageBox("cannot open this file");<BR>&nbsp;&nbsp;&nbsp;&nbsp;}<BR>&nbsp;&nbsp;else<BR>&nbsp;&nbsp;{&nbsp;&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp; fp=fopen("dlg.GetPathName()","+");<BR>&nbsp;&nbsp;&nbsp;&nbsp; while((ch=fgetc(fp))!='\n')<BR>&nbsp;&nbsp;&nbsp;&nbsp; m_String+=ch;<BR>&nbsp;&nbsp;&nbsp;&nbsp; fclose(fp);<BR>&nbsp;&nbsp;}<BR>}<BR>}<BR>这段代码为什么一运行就死机，请问是什么问题<BR>2003-4-25 20:59:46