public class Test {
public static void main(String[] args){
int i;
Scanner input=new Scanner(System.in);
do{
System.out.println("请输入1,输入0结束");
i=input.nextInt();
switch(i){
case 1:
System.out.println("执行到case1了,输入1继续到case1");
int y=input.nextInt();
if(y==1){
continue;}
else if(y==0){
break;
}
case 2:
System.out.println("执行到case2了");
}
}while(i!=0);
}
}