用sprintf函數
string?sendBuf0?=?"這是客戶端發送的消息.";
char?tempchar[100]?=?"初始化";//?要分配空間
//itoa(count0,tempchar,10);
sprintf(tempchar,?"%d",?count0);
string?sendBuf1?=?tempchar;
sendBuf0?+=?sendBuf1;
cout<<"sendBuf0?=?"<<sendBuf0<<endl;