可以将上述代码改写成switch语句的形式,如下所示:
if (strCtrlName == _T("commonopt"))
{
m_pSettingTab->SelectItem(0);
}
else if (strCtrlName == _T("movement"))
{
m_pSettingTab->SelectItem(1);
}
else if (strCtrlName == _T("topgrade"))
{
m_pSettingTab->SelectItem(2);
}
else if (strCtrlName == _T("address"))
{
m_pSettingTab->SelectItem(3);
}
else if (strCtrlName == _T("communpwd"))
{
m_pSettingTab->SelectItem(4);
}
else if (strCtrlName == _T("loginpwd"))
{
m_pSettingTab->SelectItem(5);
}
可以转换为以下switch语句形式:
int selectedItem = -1;
switch(strCtrlName)
{
case _T("commonopt"):
selectedItem = 0;
break;
case _T("movement"):
selectedItem = 1;
break;
case _T("topgrade"):
selectedItem = 2;
break;
case _T("address"):
selectedItem = 3;
break;
case _T("communpwd"):
selectedItem = 4;
break;
case _T("loginpwd"):
selectedItem = 5;
break;
}
m_pSettingTab->SelectItem(selectedItem);
这样使用switch语句可以更简洁地实现相同的逻辑。
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