c++feiji.c

飞机航班查询 飞机顶票系统 航班查询 顶票系统的C++用

#include    <stdio.h>//标准输入、输出头文件
#include    <string.h> //包含字符串函数处理头文件
#include    <conio.h>
#include    <stdlib.h>//包含动态存储与释放函数头文件

struct FeiJiDingPiao//定义结构体数组
{
    char AirNo[4];//定义航班号
    char StartPos[6];//定义始发地
    char EndPos[6];//定义目的地
    char StartTime[14]; //yymmddwwhhmmss
    char Mount[4];//定义机票数量
    char Price[5];//定义票价
    unsigned char a;//定义无符号变量a
};

struct FeiJiDingPiao s,ss[50];

long filesize(FILE *stream)
{
     long curpos, length;
     curpos = ftell(stream);
     fseek(stream, 0L, SEEK_END);
     length = ftell(stream);
     fseek(stream, curpos, SEEK_SET);
     return length;
}
void disp()//浏览信息
{    char i;
     printf("\n-");for(i=0;i<4;i++) printf("%c",s.AirNo[i]);
     printf("-"); for(i=0;i<6;i++)    printf("%c",s.StartPos[i]);
     printf("-"); for(i=0;i<6;i++)    printf("%c",s.EndPos[i]);
     printf("-"); for(i=0;i<14;i++) printf("%c",s.StartTime[i]);
     printf("-"); for(i=0;i<4;i++)    printf("%c",s.Mount[i]);
     printf("-"); for(i=0;i<5;i++)    printf("%c",s.Price[i]);
//     printf("\n");
}

void Pstrcpy( char i)//
{ char j;
    for(j=0;j<4;j++) s.AirNo[j]=ss[i].AirNo[j];
    for(j=0;j<6;j++) s.StartPos[j]=ss[i].StartPos[j];
    for(j=0;j<6;j++) s.EndPos[j]=ss[i].StartPos[j];
    for(j=0;j<14;j++) s.StartTime[j]=ss[i].StartPos[j];
    for(j=0;j<4;j++) s.Mount[j]=ss[i].StartPos[j];
    for(j=0;j<5;j++) s.Price[j]=ss[i].StartPos[j];
    s.a=0x0a;
}

int write_ssToFile (char count)//添加记录
{
     FILE *stream;
     char i;
     if ((stream = fopen("record.txt", "w+")) == NULL) /* open file TEST.$$$ */
     {
         fprintf(stderr, "Cannot open output file.\n");
        return 1;
     }
     for(i=0;i<count;i++)
       fwrite(&ss[i], 40, 1, stream); /* write struct s to file */
     fclose(stream); /* close file */
     printf("\n Write Record Successed!");
     getch();
     return 0;
}

char Func31(char n)
{    char i;
     printf("\nAppend Record!\n");
     printf("\nAirNo[4]");       for(i=0;i<4;i++) ss[n].AirNo[i]=getche();
     printf("\nStartPos[6]");    for(i=0;i<6;i++) ss[n].StartPos[i]=getche();
     printf("\nEndPos[6]");      for(i=0;i<6;i++) ss[n].EndPos[i]=getche();
     printf("\nStartTime[14]");for(i=0;i<14;i++)ss[n].StartTime[i]=getche();
     printf("\nMount[4]");       for(i=0;i<4;i++) ss[n].Mount[i]=getche();
     printf("\nPrice[5]");       for(i=0;i<5;i++) ss[n].Price[i]=getche();
     ss[n].a=0x0a;

     do{printf("\nConfirm Y/N ?");
        i=getche();
       }while((i!='Y')&(i!='y')&(i!='N')&(i!='n'));

     if((i=='Y')|(i=='y'))    return 1;
     else return 0;

}

int Insert_i(char no_to_delete)//插入信息
{
     FILE *stream;
//     struct mystruct s;
     char i,j,k=0;
     long curpos,Length;

     if ((stream = fopen("Record.txt", "r"))
         == NULL)
     {
        fprintf(stderr, "Cannot open output file.\n");
        return 1;
     }
       Length=filesize(stream);
       Length/=41;
       printf("\nthere are %d Records\n",Length);

     if(Length>=no_to_delete)
     { for(j=0,i=0;j<Length;j++) {
        curpos=41*j;    //*0 *1 *2
        if(j==no_to_delete){
if(Func31(i)==1) {k=1; Pstrcpy(i); disp(); i++;}
        }
        fseek(stream, curpos, SEEK_SET);
        fread(&ss[i], 40, 1, stream);
        //i++;
        Pstrcpy(i); disp();    i++;
       }
       if(k==1) write_ssToFile(Length+1);
     }
     fclose(stream);
     return 0;
}

int delet_i(char no_to_delete)//删除记录
{
     FILE *stream;
//     struct mystruct s;
     char i,j;
     long curpos,Length;

     if ((stream = fopen("Record.txt", "r"))
         == NULL)
     {
        fprintf(stderr, "Cannot open output file.\n");
        return 1;
     }
       Length=filesize(stream);
       Length/=41;
       printf("\nthere are %d Records\n",Length);

     if(Length>=no_to_delete)
     { for(j=0,i=0;j<Length;j++) {
       curpos=41*j;    //*0 *1 *2
       if(j!=no_to_delete)
        {fseek(stream, curpos, SEEK_SET);
         fread(&ss[i], 40, 1, stream);
         //i++;
         Pstrcpy(i); disp(); i++;
        }
       }
       write_ssToFile(Length-1);
     }
     fclose(stream);
     return 0;
}

int disp_all(void)//浏览所有信息
{
     FILE *stream;
//     struct mystruct s;
     char j;
     long curpos,Length;

     if ((stream = fopen("Record.txt", "r"))
         == NULL)
     {
        fprintf(stderr, "Cannot open output file.\n");
        return 1;
     }
       Length=filesize(stream);
       Length/=41;
       printf("\nthere are %d Records\n",Length);
       for(j=0;j<Length;j++) {
       curpos=41*j;    //*0 *1 *2
       fseek(stream, curpos, SEEK_SET);
       fread(&s, 40, 1, stream);
       disp();
         }
     fclose(stream);
     return 0;
}
int Read_all(void)//读入所有信息
{
     FILE *stream;
//     struct mystruct s;
     char j;
     long curpos,Length;

     if ((stream = fopen("Record.txt", "r"))
         == NULL)
     {
        fprintf(stderr, "Cannot open output file.\n");
        return 1;
     }
       Length=filesize(stream);
       Length/=41;
       printf("\nthere are %d Records\n",Length);
       for(j=0;j<Length;j++) {
       curpos=41*j;    //*0 *1 *2
       fseek(stream, curpos, SEEK_SET);
       fread(&ss[j], 41, 1, stream);
       //disp();
         }
     fclose(stream);
     return Length;
}

int write_all (unsigned char n)//写入信息
{
     FILE *stream;
     char i;
     if ((stream = fopen("record2.txt", "w")) == NULL)
     {
        fprintf(stderr, "Cannot open output file.\n");
        return 1;
     }
     for(i=0;i<n;i++)
     {//fseek(stream, curposT, SEEK_SET);
       ss[i].a=0x0a;
       fwrite(&ss[i], 40, 1, stream); /* write struct s to file */
     }
     fclose(stream); /* close file */
     printf("\n Write All Record Successed!");
     getch();
     return 0;
}
long disp_i(long No)
{    //No=0/1/2/3...
     FILE *stream;
//     struct mystruct s;
//     char i;
     long curpos,Length;

     if ((stream = fopen("Record.txt", "r")) //对打开文件进行测试
         == NULL)
     {
        fprintf(stderr, "Cannot open output file.\n");
        return 1;
     }
       Length=filesize(stream);
       Length/=41;
       if(Length>=No){
    printf("\nNo.%d is in Records",No);
    curpos=41*No;    //*0 *1 *2
    fseek(stream, curpos, SEEK_SET);//寻找文件
    fread(&s, 40, 1, stream);//读入文件
    disp();}
       else printf("\nNo.%d is not in Records",No);

     fclose(stream); //关闭文件
     return curpos;
}

int write_rewrite (long curposT)//重新写入信息
{
     FILE *stream;
//     char i;
     if ((stream = fopen("record.txt", "r+")) == NULL) /* 对打开文件进行测试 */
     {
        fprintf(stderr, "Cannot open output file.\n");
        return 1;
     }
     fseek(stream, curposT, SEEK_SET);
     fwrite(&s, 40, 1, stream); /* 将共用体s写入文件 */
     fclose(stream); /* 关闭文件 */
     printf("\n Append Record Successed!");
     getch();
     return 0;
}
int write_app(void)
{
     FILE *stream;
//     char i;

     if ((stream = fopen("record.txt", "a+")) == NULL) /* 对打开文件进行测试 */
     {
        fprintf(stderr, "Cannot open output file.\n");
        return 1;
     }

     fseek(stream, 0L, SEEK_END);
     fwrite(&s, 40, 1, stream); /*将共用体s写入文件 */
     fclose(stream); /* 关闭文件 */
     printf("\n Append Record Successed!");
     getch();
     return 0;
}
char Func11(void)