void CS1Dlg::OnBtnYm()
{
// TODO: Add your control notification handler code here
///////3///////////
CStdioFile file;
CString strLine;
CString strGCode;
int n;//预处理用;
int j=0;
int g=0;
int m=0;
file.Open(strFilePathName, CFile::modeRead | CFile::typeText);
while (1)
{
n=0;
if (file.ReadString(strLine) == NULL) break;
strLine.Format("%s\n", strLine);
strLine.Remove(0x20); //去掉空格
while(strLine[n]!='\n')
{
switch(strLine[n])
{
case 'N':
case 'n':
N[j]=ReadNum(n,strLine);
break;
case 'G':
case 'g':
g=ReadNum(n,strLine);
case 'M':
case 'm':
m=ReadNum(n,strLine);
if(g>= 0 && g<= 3)
{
Ga[j]=g;
}
else if(g>= 40 && g<= 42)
{
Gd[j]=g;
}else
{
if(m)
{
MI[j]=m;
}
else if(m==6
{
MC[j]=m;
else if(m=
}
break;
case 'X':
case 'x':
X[j]=ReadNum(n,strLine);
break;
case 'Y':
case 'y':
Y[j]=ReadNum(n,strLine);
break;
case 'I':
case 'i':
I[j]=ReadNum(n,strLine);
break;
case 'J':
case 'j':
J[j]=ReadNum(n,strLine);
break;
default:break;
}
n++;
}
j++;
}
file.Close();
}
怎么写if语句分类