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switch(c)
{
case c0:
...
c=ccc;
...
case c1:
...
c=ccc;
...
case c2:
...
c=ccc;
...
...
...
case ccc:
updata(&c);//c更新后(用户选择),未定义行为退出
default :break;
}
char t;
do{
cout<<"输入选择"<<endl;
cin>>i;
switch(i)
{
case 1:
...
break;
case 2:
...
brfeak;
}
cout<<"继续选择输入Y/y"<<endl;
cin>>t;
while(t=='y'||t=='Y');
int m=2;
label:
switch(m)
{
case 1:
break;
case 2:
Dosomething...
scanf("%d",&m);
goto label;
}
for (选择次数)
{
bool bIs = false;
switch(...)
{
case ...:
bIs = true;
break;
}
if (bIs)
{
break;
}
}