c语言编写通讯录管理系统

闲来没事，给楼主编了个。

现在cpp文件相同目录下创建一个名为 txl文件夹，用来存储信息。

里面再创建5个txt文件，名分别为family,workmate,classmate,friends,other

然后运行试下吧

#include

#include

#include

typedef struct{

     char name[20];

 char phone[15];

 char email[40];

 char work[40];

 char addr[40];

// int fenlei;

}msg;

msg input_msg()

{

 msg temp;

     printf("name:");

 scanf("%s",temp.name);

 printf("phone:");

 scanf("%s",temp.phone);

 printf("email:");

 scanf("%s",temp.email);

 printf("work:");

 scanf("%s",temp.work);

 printf("addr:");

 scanf("%s",temp.addr);

// while(!(temp.fenlei>=1||temp.fenlei<=5))

// {

 //printf("fenlei(input a int,1-family,2-workmate,3-classmate,4-friends,5-other):");

// scanf("%d",&temp.fenlei);

 //}

 return temp;

}

void add()

{

 FILE *write;

     msg cur=input_msg();

 int fenlei;

 printf("输入分类（这个人放哪个分类）(input a int,1-family,2-workmate,3-classmate,4-friends,5-other):");

 scanf("%d",&fenlei);

 switch(fenlei)

 {

    case 1:write=fopen("txl/family.txt","a");break;

case 2:write=fopen("txl/workmate.txt","a");break;

case 3:write=fopen("txl/classmate.txt","a");break;

case 4:write=fopen("txl/friends.txt","a");break;

case 5:write=fopen("txl/other.txt","a");break;

 }

 if(!write)

 printf("file open failed\n");

 fprintf(write,"%20s%15s%40s%40s%40s",cur.name,cur.phone,cur.email,cur.work,cur.addr);

 fclose(write);

}

int delet()

{

     char name[20];

 int fenlei;

 msg cur;

 msg* all;

 int file_len=0;

 int check;

 FILE* read;

 FILE* write;

 int i,j;

 printf("输入分类（这个人在哪个分类）:");

 scanf("%d",&fenlei);

 printf("input the name you want to delete:");

 scanf("%s",name);

  switch(fenlei)

 {

    case 1:read=fopen("txl/family.txt","r");break;

case 2:read=fopen("txl/workmate.txt","r");break;

case 3:read=fopen("txl/classmate.txt","r");break;

case 4:read=fopen("txl/friends.txt","r");break;

case 5:read=fopen("txl/other.txt","r");break;

 }

 if(!read)

 printf("file open failed\n");

 while(!feof(read))

{

   fscanf(read,"%s%s%s%s%s",cur.name,cur.phone,cur.email,cur.work,cur.addr);

   file_len++;

}

 check=file_len;

 //file_len--;

 all=(msg*)malloc(file_len*sizeof(msg));

 rewind(read);

 for(i=0;i

 {

     fscanf(read,"%s%s%s%s%s",all[i].name,all[i].phone,all[i].email,all[i].work,all[i].addr);

 }

 fclose(read);

 for(i=0;i

 {

    if(!strcmp(all[i].name,name))

{

for(j=i;j

all[j]=all[j+1];

file_len--;

break;

}

 }

 if(check==file_len)

 {

     printf("this man is not exit\n");

 return 0;

 }

switch(fenlei)

 {

    case 1:write=fopen("txl/family.txt","w");break;

case 2:write=fopen("txl/workmate.txt","w");break;

case 3:write=fopen("txl/classmate.txt","w");break;

case 4:write=fopen("txl/friends.txt","w");break;

case 5:write=fopen("txl/other.txt","w");break;

 }

 if(!write)

 printf("file open failed2\n");

 for(i=0;i

 {

     fprintf(write,"%20s%15s%40s%40s%40s",all[i].name,all[i].phone,all[i].email,all[i].work,all[i].addr);

 }

 fclose(write);

     return 1;

}

int change()

{

     char name[20];

 int fenlei;

 msg cur;

 msg* all;

 int file_len=0;

 int check=0;

 FILE* read;

 FILE* write;

 int i,j;

 printf("输入分类（这个人在哪个分类）:");

 scanf("%d",&fenlei);

 printf("input the name you want to change:");

 scanf("%s",name);

  switch(fenlei)

 {

    case 1:read=fopen("txl/family.txt","r");break;

case 2:read=fopen("txl/workmate.txt","r");break;

case 3:read=fopen("txl/classmate.txt","r");break;

case 4:read=fopen("txl/friends.txt","r");break;

case 5:read=fopen("txl/other.txt","r");break;

 }

 if(!read)

 printf("file open failed\n");

   while(!feof(read))

{

   fscanf(read,"%s%s%s%s%s",cur.name,cur.phone,cur.email,cur.work,cur.addr);

   file_len++;

}

     all=(msg*)malloc(file_len*sizeof(msg));

 rewind(read);

 for(i=0;i

 {

     fscanf(read,"%s%s%s%s%s",all[i].name,all[i].phone,all[i].email,all[i].work,all[i].addr);

 }

 fclose(read);

     for(i=0;i

 {

    if(!strcmp(all[i].name,name))

{

check=1;

break;

}

 }

 if(check==0)

 {

    printf("the man is not exit\n");

return 0;

 }

     cur=input_msg();

 all[i]=cur;

   switch(fenlei)

 {

    case 1:write=fopen("txl/family.txt","w");break;

case 2:write=fopen("txl/workmate.txt","w");break;

case 3:write=fopen("txl/classmate.txt","w");break;

case 4:write=fopen("txl/friends.txt","w");break;

case 5:write=fopen("txl/other.txt","w");break;

 }

 if(!write)

 printf("file open failed2\n");

 for(i=0;i

 {

     fprintf(write,"%20s%15s%40s%40s%40s",all[i].name,all[i].phone,all[i].email,all[i].work,all[i].addr);

 }

 fclose(write);

 return 1;

}

void lookfor()

{

     char name[20];

 int fenlei;

 msg cur;

 msg* all;

 int file_len=0;

 int check=0;

 FILE* read;

 //FILE* write;

 int i;

 int way;

     printf("输入分类（这个人在哪个分类）:");

 scanf("%d",&fenlei);

 //printf("input the name you want to change:");

 //scanf("%s",name);

  switch(fenlei)

 {

    case 1:read=fopen("txl/family.txt","r");break;

case 2:read=fopen("txl/workmate.txt","r");break;

case 3:read=fopen("txl/classmate.txt","r");break;

case 4:read=fopen("txl/friends.txt","r");break;

case 5:read=fopen("txl/other.txt","r");break;

 }

 if(!read)

 printf("file open failed\n");

 while(!feof(read))

{

   fscanf(read,"%s%s%s%s%s",cur.name,cur.phone,cur.email,cur.work,cur.addr);

   file_len++;

}

     all=(msg*)malloc(file_len*sizeof(msg));

 rewind(read);

 for(i=0;i

 {

     fscanf(read,"%s%s%s%s%s",all[i].name,all[i].phone,all[i].email,all[i].work,all[i].addr);

 }

 fclose(read);

 printf("输入查询方式(1,name   2,phone)：");

 scanf("%d",&way);

 if(way==1)

 {

     printf("输入你想查询的姓名：");

 scanf("%s",name);

  for(i=0;i

  {

         if(!strcmp(all[i].name,name))

 {

    check=1;

    break;

 }

  }

      if(check==0)

  {

         printf("the man is not exit\n");

  }

  else

  {

     printf("------------------found-----------------------\n");

 printf("%s\n",all[i].name);

 printf("%s\n",all[i].phone);

 printf("%s\n",all[i].email);

 printf("%s\n",all[i].work);

 printf("%s\n",all[i].addr);

printf("-----------------------------------------------\n");

  }

 }

 if(way==2)

 {

      printf("输入你想查询的电话号码：");

  scanf("%s",name);

           for(i=0;i

  {

         if(!strcmp(all[i].phone,name))

 {

    check=1;

    break;

 }

  }

      if(check==0)

  {

         printf("the man is not exit\n");

  }

  else

  {

     printf("------------------found-----------------------\n");

 printf("%s\n",all[i].name);

 printf("%s\n",all[i].phone);

 printf("%s\n",all[i].email);

 printf("%s\n",all[i].work);

 printf("%s\n",all[i].addr);

printf("-----------------------------------------------\n");

  }

 }

}

void main()

{

    int cmd;

printf("输入命令：\n1，增加记录\n2，删除记录\n3，修改记录\n4，查询记录\n0，退出\n");

scanf("%d",&cmd);

   while(cmd!=0)

   {

switch(cmd)

{

   case 1:add();break;

   case 2:delet();break;

   case 3:change();break;

   case 4:lookfor();break;

       default:printf("bad cammond\n");break;

}

printf("输入命令：\n1，增加记录\n2，删除记录\n3，修改记录\n4，查询记录\n0，退出\n");

scanf("%d",&cmd);

   }

}

这个是C++的，改下就行了。呵呵，请笑纳