MFC 读写文件

写文件:

#include<fstream>

CStdioFile file;
file.Open(_T("parametertable.txt"), CFile::modeCreate|CFile::modeWrite);
file.WriteString(cstr+_T("\n"));//cstr---CString 类型
file.Close();

读文件:

CStdioFile file;
int isOPend;
isOPend = file.Open(_T("ParameterSetting.ini"),CFile::modeRead);
if (!isOPend)
 {AfxMessageBox(_T("文件不存在或加载错误!"));
   return;}
CString strLine;
while(file.ReadString(strLine)) //每行读入strLine
    {......}
file.Close();

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转载自www.cnblogs.com/small-lazybee/p/10734566.html