vc端程序 char* buf=new char[1024];
memset(buf,'\0',sizeof(buf));
UpdateData(true);
buf=m_strMemo.GetBuffer(0);
cli.Send(buf,1024,0);java端程序
BufferedReader in=new BufferedReader(new InputStreamReader(client.getInputStream()));
PrintWriter out=new PrintWriter(client.getOutputStream());
FileOutputStream file=new FileOutputStream("test.txt");
String strCliIp=client.getInetAddress().toString();
System.out.println("welcome"+strCliIp);
int i=0;
char c='\0';
do{
i=in.read();
c=(char)i;
file.write(c);
out.flush();
}while((i!=-1)&(c!='\n'));
System.out.println("Client have left!");
    client.close();
    file.close();

解决方案 »

  1.   

    vc端程序 char* buf=new char[1024];
    memset(buf,'\0',sizeof(buf));
    UpdateData(true);
    buf=m_strMemo.GetBuffer(0);
    cli.Send(buf,1024,0);===============================
    你先申请了1024字节的空间,然后buf=m_strMemo.GetBuffer(0);
    buf又指向m_strMemo的空间,此时buf已经不是你刚才申请的那1024字节的空间了。这样会引起内存泄漏的。考虑用一下方法:
             char* buf=new char[1024];
    memset(buf,'\0',sizeof(buf));
    UpdateData(true);
    strcpy(buf,m_strMemo);  //把内容拷贝过去
    cli.Send(buf,1024,0);
      

  2.   

    同时估计好你的buf空间的大小,防止拷贝的时候产生溢出