........疯子送分：如何在文本文件的最后加入文本.........

Question

FILE* fp;
fp=fopen(path,"at+");
fwrite(fp,"aaabcd");
fclose(fp);

Answer 1

写错了点
fwrite(fp,"aaabcd",strlen("aaabcd"));

Answer 2

写错了点
fwrite("aaabcd",1,strlen("aaabcd"),fp);

Answer 3

CString Txtpath;
Txtpath.Format("C:\\abc\\123.txt); CFile Txtfile;
if(Txtfile.Open(Txtpath,CFile::modeRead))
{
Txtfile.Close();
}
else
{
if(Txtfile.Open(Txtpath,CFile::modeCreate|CFile::modeWrite))
{
Txtfile.Close();
}
}

Answer 4

    CString Txtpath;
    Txtpath.Format("C:\\abc\\123.txt");    CFile Txtfile;
    if(Txtfile.Open(Txtpath,CFile::modeRead))
    {
        Txtfile.Close();
    }
    else
    {
        if(Txtfile.Open(Txtpath,CFile::modeCreate¦CFile::modeWrite))
        {
            Txtfile.Close();
        }
    } 

Answer 5

//很小的补充
    FILE* fp;
    fp = fopen("c:\\MyTest.mmm", "at+");
    fwrite("\n12345", sizeof(char), 6, fp); 
    fclose(fp); 

Answer 6

如果只是文本文件. 而且可以用MFC类
可以用CStdioFile 和 CString
CStdioFile::ReadString/WriteString 
用起来很方便...

Answer 7

回去看fopen的几个参数吧。"a+"