#include<stdio.h>
#include<string.h>
#include<conio.h>
#include<stdlib.h>

typedef struct message               //信息结构体
{
  char TX_name[20];
  char TX_sex[5];
  char TX_phonenumber[12];
  char TX_email[20];
  struct message *next;
}Node;
Node *p;
void operate_menu(Node *head);      //操作选项
void add_message(Node *head);       //添加信息
void show_message(Node *head);      //显示信息
void save_message(Node *head);      //保存信息
void show_title(int date);          //打印横线
Node *read_message()                //从文件里读取信息到一个链表       可能就是这个函数有问题

           
void save_message(Node *head)      
{
 FILE *fp;
 fp=fopen("date","wb");
 if(fp==NULL)
     {
         printf("不能打开文件...\n");
         exit(0);   
     }
     p=head->next;
  if(p!=NULL)     
      {
          do
          {
              fprintf(fp,"%s\n",p->TX_name);
              fprintf(fp,"%s\n",p->TX_sex);
              fprintf(fp,"%s\n",p->TX_phonenumber);
              fprintf(fp,"%s\n",p->TX_email);         
               p=p->next;
          }while(p!=NULL);                 
      }
      fclose(fp);
}
void show_message(Node *head)
{
p=head->next;
  printf("\n");
  printf(" 姓名            性别            电话            邮箱    \n");
  printf("==========================================================================\n");
 while(p!=NULL)
 {
  printf(" %-12s",p->TX_name);
  printf("\t %-8s",p->TX_sex);
  printf("\t %-15s",p->TX_phonenumber);
  printf(" %-25s\n",p->TX_email);
  p=p->next;
}
  printf("==========================================================================\n");
}
////////////////////////////////////////////////////////////////////////////
void add_message(Node *head)  //lixiaoguang
{
 Node *node=NULL;
 p=head->next;
 char *p1=NULL;
 //system("cls");
 char c;
 do{
 node=(Node *)malloc(sizeof(Node));
 printf("请输入姓名:");
 scanf("%s",node->TX_name);
 p1=node->TX_name;
 printf("请输入性别:");
 scanf("%s",node->TX_sex);
 printf("请输入电话:");
 scanf("%s",node->TX_phonenumber);
 printf("请输入邮箱:");
 scanf("%s",node->TX_email);
 if(p==NULL)
  {
    node->next=NULL;
    head->next=node;
    p=node;
  }
  else
  {
  node->next=head->next;
  head->next=node;
  p=node;
  }
  getchar();
   printf("继续请按Y或y\n");
   scanf("%c",&c);
 }while(c=='Y'||c=='y');
 printf("添加完毕\n");
}
void show_title(int date)           ///////////////////////
    {
     int i=0;
     printf("\n");
     for(i;i<50;i++)
     {
       switch(date)
       {
        case 1:  printf("E");  break;
        case 2:  printf("*");  break;
        case 3:  printf("#");  break;
        case 4:  printf("~");  break;
        case 5:  printf("T");  break;
        default: printf("X");   
       }   
     }
     printf("\n");      
    }
   
Node *read_message()                       ///////////////////////    可能就是这个函数有问题

{
Node *head=NULL;
FILE *fp;
Node *node=NULL;
head=(Node *)malloc(sizeof(Node));
head->next=NULL;
p=head;
fp=fopen("date.txt","ab+");
if(fp==NULL)
{
   printf("打开文件失败....\n");
   sleep(10000);
   exit(0);
}
while(!feof(fp))
    {   
      node=(Node *)malloc(sizeof(Node));
      if(node==NULL)
          {
           exit(0);
          }
      if(fread(node,sizeof(Node),1,fp)==1)
      {
        node->next=NULL;
        p->next=node;
        p=node;      
      }
      else                                        //加载信息的时候直接走到这一步了，，没有走上面的读取信息
        {      
       printf("000000000000000000000\n");  
        }  
    }
    fclose(fp);
    return head;
}

void operate_menu(Node *head)                ///////////////////////
{
    int choice;
    show_title(1);
    printf("\n\n");
    system("color 5C");
  printf("\t\t1. 添加信息\n");
  printf("\t\t2. 显示信息\n");
  printf("\t\t3. 保存信息\n");
  printf("\n\n");
    show_title(1);
  printf("请选择(1-3):");
 scanf("%d",&choice);
 switch(choice)
 {
 
   case 1: add_message(head);
           operate_menu(head);
           break;
   case 2: show_message(head);
           operate_menu(head);
           break;
   case 3:   save_message(head);
           operate_menu(head);
           break;

    printf("\n\n");
    show_title(1);
}
 
}
 
int main()
{
Node *head=NULL;
head=(Node *)malloc(sizeof(Node));
head=read_message();
operate_menu(head);
sleep(5000000);
return 0;
}

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