//综合实践四：学生成绩管理系统菜单循环选择设计

#include<stdio.h>

main(){

   int n;

   while(1){

    printf("**********************\n");

    printf("*   1---成绩输入     *\n");

    printf("*   2---成绩插入     *\n");

    printf("*   3---成绩查询     *\n");

    printf("*   4---成绩排序     *\n");

    printf("*   5---成绩删除     *\n");

    printf("*   6---成绩输出     *\n");

    printf("*   0---退出         *\n");

    printf("**********************\n");

    printf("输入您的选择：");

    scanf("%d",&n);

    switch(n){

       case 1:printf("成绩输入！\n");

          break;

       case 2:printf("成绩插入！\n");

          break;

       case 3:printf("成绩查询！\n");

          break;

       case 4:printf("成绩排序！\n");

          break;

       case 5:printf("成绩删除！\n");

          break;

       case 6:printf("成绩输出！\n");

          break;

       case 0:printf("退出！\n");

          return;

       default:printf("选择错误！\n");    

}}

}