小q的学习笔记

注意：包含头文件：iomanip 整数前面补零 coutsetfill('0') 输出小数点后固定位数 coutfixed

int转string int n; string s; stringstream stream; stream << n; stream >> s; string转int int n; string s; n = atoi(s.c_str()); CString转Char* char* CStringToCharArray(CString str) { char *p