void according(void)
{
    char option;
    char sign;
    system("cls");
    switch(language)
    {
        case '1' :
                  {
                      printf("                                  学生成绩管理系统\n");
                      printf("                                                                      来自:Dack");
	                  printf("================================================================================\n");
                      printf("1.显示当前已经记录在册的学生的信息.\n");
                      printf("2.保存当前注册的学生信息到文件.\n");
                      printf("3.返回上一层菜单.\n");
                      printf("4.返回主菜单.\n\n");
                  }
                  break;
        case '2' :
                  {
                      printf("                      Student achievement management system\n");
                      printf("                                                                         By Dack");
	                  printf("================================================================================\n");
                      printf("1.Show the current recorded student performance.\n");
                      printf("2.Save the current student achievement (record to a file).\n");
                      printf("3.Back to a layer of menu.\n");
                      printf("4.Back to the main menu.\n\n");
                  }
                  break;
        case '3' :
                  {
                      printf("                              生徒の成績管理システム\n");
                      printf("                                                                      出自:dack");
	                  printf("================================================================================\n");
                      printf("1.記録によると現在はすでに件数の学生の情報が見られる.\n");
                      printf("2.保存さしあたって登録した数へのメッセージを文書に署名した.\n");
                      printf("3.戻ってきてに一层のメニュー.\n");
                      printf("4.メインメニューに戻る.\n\n");
                  }
                  break;
    }
    do
    {
        switch(language)
        {
            case '1' :
                      {
                          printf("请输入序号 : ");
                      }
                      break;
            case '2' :
                      {
                          printf("Please enter the serial number : ");
                      }
                      break;
            case '3' :
                      {
                          printf("番号を入力してください : ");
                      }
                      break;
        }
        fflush(stdin);
        scanf("%1c",&option);
        fflush(stdin);
        if(option<'1'||option>'4'){
            switch(language)
            {
                case '1' :
                      {
                          printf("错误!你想结束程序吗 ?\n");
                          printf("请输入 Y 或者 N : ");
                      }
                      break;
                case '2' :
                      {
                          printf("Error! Do you want finish the program?\n");
                          printf("Please enter the Y or N : ");
                      }
                      break;
                case '3' :
                      {
                          printf("誤ったもので、あなたは终わりにプログラムだったのだろうか?\n");
                          printf("Y あるいは Nで入力してください : ");
                      }
                      break;
            }
            scanf("%c",&sign);
            if(toupper(sign)!='N')
                exit(0);
        }
    }while(option<'1'||option>'4');
    fflush(stdin);
    switch(option)
    {
        case '1' : show_student(); break;
        case '2' : file_saving();  break;
        case '3' : main_menu();    break;
        case '4' : main_menu();    break;
    }
    switch(language)
    {
        case '1' :
                  {
                      printf("你想返回主菜单吗 ?\n");
                      printf("请输入 Y 或者 N  ");
                  }
                  break;
        case '2' :
                  {
                      printf("Do you want back to main menu ?\n");
                      printf("Please enter the Y or N ");
                  }
                  break;
        case '3' :
                  {
                      printf("あなたに戻りたいメインメニューだったのだろうか ?\n");
                      printf("Y あるいは N で入力してください ");
                  }
                  break;
    }
    scanf("%c",&sign);
    fflush(stdin);
    if(toupper(sign)!='N'){
        system("cls");
        main_menu();
    }
    else
        according();
}
示例#2
0
int main(void)
{
    int rval;
    avro_file_reader_t dbreader;
    avro_file_writer_t db;
    avro_schema_t extraction_schema, name_schema,
                  phone_schema;
    int64_t i;
    const char *dbname = "student.db";

    init();

    /*如果student.db存在,则删除*/
    unlink(dbname);
    /*创建数据库文件*/
    rval = avro_file_writer_create(dbname, student_schema, &db);
    if (rval) {
        fprintf(stderr, "Failed to create %s\n", dbname);
        exit(EXIT_FAILURE);
    }

    /*向数据库文件中添加学生信息*/
    add_student(db, "Zhanghua", "Law", "15201161111", 25);
    add_student(db, "Lili", "Economy", "15201162222", 24);
    add_student(db,"Wangyu","Information","15201163333", 25);
    add_student(db, "Zhaoxin", "Art", "15201164444", 23);
    add_student(db, "Sunqin", "Physics", "15201165555", 25);
    add_student(db, "Zhouping", "Math", "15201166666", 23);
    avro_file_writer_close(db);

    fprintf(stdout, "\nPrint all the records from database\n");

    /*读取并输出所有的学生信息*/
    avro_file_reader(dbname, &dbreader);
    for (i = 0; i < id; i++) {
        if (show_student(dbreader, NULL)) {
            fprintf(stderr, "Error printing student\n");
            exit(EXIT_FAILURE);
        }
    }
    avro_file_reader_close(dbreader);

    /*输出学生的姓名和电话信息*/
    extraction_schema = avro_schema_record("Student", NULL);
    name_schema = avro_schema_string();
    phone_schema = avro_schema_string();
    avro_schema_record_field_append(extraction_schema,
                                    "Name", name_schema);
    avro_schema_record_field_append(extraction_schema, "Phone", phone_schema);

    /*只读取每个学生的姓名和电话*/
    fprintf(stdout,
            "\n\nExtract Name & Phone of the records from database\n");
    avro_file_reader(dbname, &dbreader);
    for (i = 0; i < id; i++) {
        if (show_student(dbreader, extraction_schema)) {
            fprintf(stderr, "Error printing student\n");
            exit(EXIT_FAILURE);
        }
    }
    avro_file_reader_close(dbreader);
    avro_schema_decref(name_schema);
    avro_schema_decref(phone_schema);
    avro_schema_decref(extraction_schema);

    /*最后释放学生模式*/
    avro_schema_decref(student_schema);
    return 0;
}