C语言通讯录管理系统完整版

#include <stdio.h> 
#include <malloc.h> //得到指向大小为Size的内存区域的首字节的指针// 
#include <string.h> 
#include <stdlib.h> //标准库函数//  
#define NULL 0 
#define LEN sizeof(struct address_list) //计算字节// 
int n; 
struct address_list 
{ 
  char name[30];   //名字 
  char work[30];   //职业 
  char handset[30]; //手机 
  char email[30];  //电子邮件 
  char address[30]; //通讯地址 
  struct address_list *next; 
}; 
struct address_list *shifang(struct address_list *head); // 释放内存函数声明 
//创建函数，不带头结点的链表 
struct address_list *creat(void)     
{ 
  struct address_list *head,*p1,*p2; 
  char name[20]; 
  n=0; 
  p1=(struct address_list *)malloc(LEN); 
  p2=p1;  //强制内存转换 
  printf("请输入通讯录的内容!n姓名输入为0时表示创建完毕!n"); 
  printf("请输入姓名:"); 
  gets(name); 
  if(strcmp(name,"0")!=0) 
  { 
    strcpy(p1->name,name); 
    printf("请输入职业:");   gets(p1->work); 
    printf("请输入手机:");   gets(p1->handset); 
    printf("请输入电子邮件:"); gets(p1->email); 
    printf("请输入通讯地址:"); gets(p1->address); 
    head=NULL; 
    while(1) 
    { 
      n=n+1;  //记录通讯录人数个数 
      if(n==1) 
        head=p1; 
      else 
        p2->next=p1; 
      p2=p1; 
      printf("请输入姓名:"); 
      gets(name); 
      if(strcmp(name,"0")==0) 
      { 
        break; 
      } 
      else 
      { 
        p1=(struct address_list *)malloc(LEN); 
        strcpy(p1->name,name); 
        printf("请输入职业:"); gets(p1->work); 
        printf("请输入手机:"); gets(p1->handset); 
        printf("请输入电子邮件:"); gets(p1->email); 
        printf("请输入通讯地址:"); gets(p1->address); 
      } 
    } 
    p2->next=NULL; 
    return head; 
  } 
  else 
    return 0; 
} 
//输出函数 
void print(struct address_list *head)   
{ 
  struct address_list *p; 
  if(head!=NULL) 
  { 
    p=head; 
    printf("本通讯录现在共有%d人:n",n); 
    printf("---姓名-------职业--------手机-------Email-------通讯地址n"); 
    printf("==================================n"); 
    do 
    { 
      printf("== %s",p->name); printf("    "); 
      printf("%s",p->work); printf("    "); 
      printf("%s",p->handset); printf("    "); 
      printf("%s",p->email); printf("    "); 
      printf("%s",p->address); printf("    n"); 
      p=p->next; 
    }while(p!=NULL); 
    printf("==================================n"); 
  } 
  else 
    printf("通讯录为空,无法输出!n"); 
} 
//增加函数 
struct address_list *insert(struct address_list *head)  
{ 
  struct address_list *p0,*p2; 
  char name[20]; 
  p1=head; 
  printf("请输入增加的内容:n"); 
  printf("请输入姓名:"); gets(name); 
  if(strcmp(name,"0")==0) 
  { 
    printf("姓名不能为0,增加失败!n"); 
    return(head); 
  } 
  else 
  { 
    p0=(struct address_list *)malloc(LEN); 
    strcpy(p0->name,name); 
    printf("请输入职业:"); gets(p0->work); 
    printf("请输入手机:"); gets(p0->handset); 
    printf("请输入电子邮件:"); gets(p0->email); 
    printf("请输入通讯地址:"); gets(p0->address); 
    n=n+1; 
    if(head==NULL) 
    { 
      head=p0; 
      p0->next=NULL; 
      return head; 
    } 
    else 
    { 
      while(strcmp(p0->name,p1->name)>0&&(p1->next!=NULL)) 
      { 
        p2=p1; 
        p1=p1->next; 
      } 
      if(strcmp(p0->name,p1->name)<0 || strcmp(p0->name,p1->name)==0) 
      { 
        if(head==p1) 
        { 
          head=p0; 
        } 
        else 
        { 
          p2->next=p0; 
        } 
        p0->next=p1; 
      } 
      else 
      { 
        p1->next=p0; 
        p0->next=NULL; 
      } 
      return head; 
    } 
  } 
} 
struct address_list* delete_txl(struct address_list *head) 
{ 
  struct address_list *p,*q; 
  char name[30]; 
  if(head==NULL) 
  { 
    printf("通讯录为空,无法显示!n"); 
    return head; 
  } 
  p=head; 
  printf("请输入需要删除的人的姓名:"); 
  gets(name); 
  if(strcmp(head->name,name)==0) 
  { 
    head=head->next; 
    free(p); 
    printf("删除操作成功！n"); 
    return head; 
  } 
  else 
  { 
    q=head,p=head->next; 
    while(p!=NULL) 
    { 
      if(strcmp(p->name,name)==0) 
      { 
        q->next=p->next; 
        free(p); 
        printf("删除操作成功！n"); 
        return head; 
      } 
      p=p->next; 
      q=q->next; 
    } 
  } 
} 
//显示函数 
struct address_list *display(struct address_list *head) 
{ 
  struct address_list *p1,*p2; 
  char name[30]; 
  int m; 
  if(head==NULL) 
  { 
    printf("通讯录为空,无法显示!n"); 
    return head; 
  } 
  p1=head; 
  m=0; 
  printf("请输入需要显示人的姓名:"); 
  gets(name); 
  while(p1!=NULL) 
  { 
    while((strcmp(p1->name,name))!=0 && p1->next!=NULL) 
    { 
      p2=p1; 
      p1=p1->next; 
    } 
    if(strcmp(p1->name,name)==0) 
    { 
      m++; 
      printf("%s的通讯内容如下:n",name); 
      printf("---姓名--------职业--------手机-------Email------通讯地址n"); 
      printf("==================================n"); 
      printf("== %s",p1->name);printf("    "); 
      printf("%s",p1->work);printf("    "); 
      printf("%s",p1->handset);printf("    "); 
      printf("%s",p1->email);printf("    "); 
      printf("%s",p1->address); printf("    n"); 
      printf("==================================n"); 
    } 
    p1=p1->next; 
  } 
  if(m==0) 
  { 
    printf("此人未在本通讯录中!n"); 
  } 
  return(head); 
} 
 
//排序函数 
struct address_list *paixu(struct address_list *head) 
{ 
  struct address_list *p1,*p2; 
  int i,j; 
  struct address_list1 
  { 
    char name[30]; 
    char work[30]; 
    char handset[30]; 
    char email[30]; 
    char address[30]; 
  }; 
  struct address_list1 px[200]; 
  struct address_list1 temp; 
  if(head==NULL) 
  { 
    printf("通讯录为空,无法排序!n"); 
    return(head); 
  } 
  p1=head; 
  for(i=0;i<n,p1!=NULL;i++) 
  { 
    strcpy(px[i].name,p1->name); 
    strcpy(px[i].work,p1->work); 
    strcpy(px[i].handset,p1->handset); 
    strcpy(px[i].email,p1->email); 
    strcpy(px[i].address,p1->address); 
    p2=p1; 
    p1=p1->next; 
  } 
  head=shifang(head); 
  for(j=0;j<n-1;j++) 
  { 
    for(i=j+1;i<n;i++) 
    { 
      if(strcmp(px[i].name,px[j].name)<0) 
      { 
        temp=px[i]; 
        px[i]=px[j]; 
        px[j]=temp; 
      } 
    } 
  } 
  p1=(struct address_list *)malloc(LEN); 
  p2=p1; 
  strcpy(p1->name,px[0].name); 
  strcpy(p1->work,px[0].work); 
  strcpy(p1->handset,px[0].handset); 
  strcpy(p1->email,px[0].email); 
  strcpy(p1->address,px[0].address); 
 
  head=p1; 
  for(i=1;i<n;i++) 
  { 
    p1=(struct address_list *)malloc(LEN); 
    strcpy(p1->name,px[i].name); 
    strcpy(p1->work,px[i].work); 
    strcpy(p1->handset,px[i].handset); 
    strcpy(p1->email,px[i].email); 
    strcpy(p1->address,px[i].address); 
    p2->next=p1; 
    p2=p1; 
  } 
  p2->next=NULL; 
  printf("按姓名排序后为:n"); 
  print(head); 
  return(head); 
} 
//姓名查找函数 
struct address_list *search(struct address_list *head) 
{ 
  struct address_list *p1,*p2; 
  int m; 
  char name[30]; 
  if(head==NULL) 
  { 
    printf("通讯录为空,无法分类查找!n"); 
    return(head); 
  } 
  p1=head; 
  printf("********************n"); 
  printf("** 请输入需要查找的姓名 **n"); 
  printf("********************n"); 
  m=0; 
  gets(name); 
  while(p1!=NULL) 
  { 
    while(strcmp(p1->name,name)!=0&&p1->next!=NULL) 
    { 
      p2=p1; 
      p1=p1->next; 
    } 
    if(strcmp(p1->name,name)==0) 
    { 
      m++; 
      printf("你查找的内容是:n"); 
      printf("+++++++++++++++++++++++++++++++++++n"); 
      printf("++ %s    %s    %s    %s    %sn",p1->name,p1->work,p1->handset,p1->email,p1->address); 
      printf("+++++++++++++++++++++++++++++++++++n"); 
    } 
    p1=p1->next; 
 
    if(m==0) 
    { 
      printf("此人未在本通讯录中!n"); 
    } 
    break; 
  } 
 
  return(head); 
} 
 
//释放内存函数 
struct address_list *shifang(struct address_list *head) 
{ 
  struct address_list *p1; 
  while(head!=NULL) 
  { 
    p1=head; 
    head=head->next; 
    free(p1); 
  } 
  return(head); 
} 
 
//文件写入函数 
void save(struct address_list *head) 
{ 
  FILE *fp; 
  struct address_list *p1; 
  char tong[30]; 
  if(head==NULL) 
  { 
    printf("通讯录为空,无法存储!n"); 
    return; 
  } 
  printf("请输入保存后的文件名:"); 
  gets(tong); 
  fp=fopen("(tong).txt","w"); 
  if(fp==NULL) 
  { 
    printf("cannot open filen"); 
    return; 
  } 
  p1=head; 
  fprintf(fp,"姓名  职业   手机   Email   通讯地址n"); 
  for(;p1!=NULL;)  
  { 
    fprintf(fp,"%s    %s    %s    %s    %sn",p1->address); 
    p1=p1->next; 
  } 
  printf("保存完毕!n"); 
  fclose(fp); 
} 
 
//文件读出函数 
struct address_list *load(struct address_list *head) 
{ 
  FILE *fp; 
  char tong[30]; 
  struct address_list *p1,*p2; 
  printf("请输入要输出的文件名:"); 
  gets(tong); 
  fp=fopen("(tong).txt","r"); 
  if(fp==NULL) 
  { 
    printf("此通讯录名不存在,无法输出!n"); 
    return(head); 
  } 
  else 
  { 
    head=shifang(head); 
  } 
  p1=(struct address_list *)malloc(LEN); 
  fscanf(fp,"%s%s%s%s%s",&p1->name,&p1->work,&p1->handset,&p1->email,&p1->address); 
  if(feof(fp)!=0) 
  { 
    printf("文件为空,无法打开!n"); 
    return(head); 
  } 
  else 
  { 
    rewind(fp); 
    p2=p1; 
    head=p1; 
    n=0; 
    while(feof(fp)==0) 
    { 
      fscanf(fp,&p1->address); 
      if(feof(fp)!=0) 
        break; 
      p2->next=p1; 
      p2=p1; 
      p1=(struct address_list *)malloc(LEN); 
      n=n+1; 
    } 
    p2->next=NULL; 
    p1=head; 
    head=head->next; 
    n=n-1; 
    free(p1); 
    print(head); 
    printf("打开完毕!n"); 
    return(head); 
  } 
  fclose(fp); 
} 
 
//综合操作函数 
struct address_list *menu(struct address_list *head) 
{ 
  char num[10]; 
  while(1) 
  { 
    printf("*********************n"); 
    printf("*** 1 姓名查找   ****n"); 
    printf("*** 2 单个显示   ****n"); 
    printf("*** 3 增加     ****n"); 
    printf("*** 4 退出     ****n"); 
    printf("*********************n"); 
    printf("请输入您选择的操作:"); 
    gets(num); 
    switch(*num) 
    { 
    case '1': 
      { 
        head=search(head);             //姓名查找 
        print(head); 
      } 
      break; 
    case '2': 
      { 
        head=display(head);             //显示 
      } 
      break; 
    case '3': 
      { 
        head=insert(head);              //增加 
        print(head); 
      } 
      break; 
    case '4': 
      return head; 
    default: 
      printf("操作错误，此项不存在!n"); 
      break; 
    } 
    if(strcmp(num,"6")==0) 
      break; 
  } 
  return head; 
} 
//主函数 
void main() 
{ 
  struct address_list *head=NULL; 
  char num[10]; 
  printf("*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*n"); 
  printf("*=*        程序说明        *=*n"); 
  printf("*=*  请及时保存创建完毕的通讯录内容!  *=*n"); 
  printf("*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*n"); 
  while(1) 
  { 
    printf("************************n"); 
    printf("***   1 创建通讯录   ****n"); 
    printf("***   2 按名字排序   ****n"); 
    printf("***   3 综合操作    ****n"); 
    printf("***   4 保存      ****n"); 
    printf("***   5 打开      ****n");  
    printf("***   6 删除      ****n"); 
    printf("***   7 退出      ****n"); 
    printf("************************n"); 
    printf("请输入您选择的操作:"); 
    gets(num); 
    switch(*num) 
    { 
    case '1': 
      { 
        if(head==NULL) 
        { 
          head=creat();                //创建 
          print(head); 
        } 
        else 
        { 
          head=shifang(head); 
          head=creat();                //重新创建 
          print(head); 
        } 
      } 
      break; 
    case '2': 
      { 
        head=paixu(head);                //排序 
      } 
      break; 
    case '3': 
      { 
        head=menu(head);               //综合操作 
      } 
      break; 
    case '4': 
      { 
        save(head);                  //文件保存 
        print(head); 
      } 
      break; 
    case '5': 
      { 
        head=load(head);               //文件输出 
      } 
      break; 
    case '6': 
      { 
        head=delete_txl(head);              //删除 
        print(head); 
      } 
      break; 
    case '7': 
      head=shifang(head); 
      break; 
    default: 
      printf("操作错误，此项不存在!n"); 
      break; 
    } 
    if(strcmp(num,"7")==0) 
      break; 
  } 
}