C语言-通讯录

  1 #include <stdio.h>
  2 #include <stdlib.h>
  3 #include <string.h>
  4 
  5 typedef struct address_list
  6 {
  7     char name[30];//姓名
  8     char work[30];//职业
  9     char phone[30];//手机号
 10     char email[30]; //邮件
 11     char address[30]; //地址
 12     struct address_list *next;
 13 }address_list;
 14 
 15 int n=0;
 16 address_list *display(address_list *head);
 17 address_list *insert(address_list *head);
 18 address_list *shifang(address_list *head);
 19 
 20 address_list *creat()
 21 {
 22     address_list *head,*p1,*p2;
 23     char name[30];
 24     n=0;
 25     p1=(address_list*)malloc(sizeof(address_list));
 26     p2=p1;
 27     printf("请输入通讯录的内容!
姓名输入为0时表示创建完毕!
");
 28     printf("请输入姓名:");
 29     gets(name);
 30     if(strcmp(name,"0")!=0)
 31     {
 32         strcpy(p1->name,name);
 33         printf("请输入职业:");
 34         gets(p1->work);
 35         printf("请输入手机号:");
 36         gets(p1->phone);
 37         printf("请输入邮件:");
 38         gets(p1->email);
 39         printf("请输入地址:");
 40         gets(p1->address);
 41         head=NULL;
 42         while(1)
 43         {
 44             n=n+1;
 45             if(n==1)
 46                 head=p1;
 47             else
 48                 p2->next=p1;
 49             p2=p1;
 50             printf("请输入姓名:");
 51             gets(name);
 52             if(strcmp(name,"0")==0)
 53                 break;
 54             else
 55             {
 56                 p1=(address_list*)malloc(sizeof(address_list));
 57                 strcpy(p1->name,name);
 58                 printf("请输入职业:");
 59                 gets(p1->work);
 60                 printf("请输入手机号:");
 61                 gets(p1->phone);
 62                 printf("请输入邮件:");
 63                 gets(p1->email);
 64                 printf("请输入地址:");
 65                 gets(p1->address);
 66             }
 67         }
 68         p1->next=NULL;
 69         return head;
 70     }
 71     else
 72         return 0;
 73 }
 74 
 75 void print(address_list *head)
 76 {
 77     address_list *p;
 78     if(head!=NULL)
 79     {
 80         p=head;
 81         printf("本通讯录现在共有%d人:
",n);
 82         printf("---姓名------职业-----手机-----邮件------地址----
");
 83         printf("==================================================
");
 84         while(p!=NULL)
 85         {
 86             printf("== %s  ",p->name);
 87             printf("%s   ",p->work);
 88             printf("%s   ",p->phone);
 89             printf("%s   ",p->email);
 90             printf("%s   
",p->address);
 91             p=p->next;
 92         };
 93         printf("===================================================
");
 94     }
 95     else
 96         printf("通讯录为空,无法输出!
");
 97 }
 98 
 99 address_list *search(address_list *head)
100 {
101     address_list *p1,*p2;
102     int m;
103     char name[30];
104     if(head==NULL)
105     {
106         printf("通讯录为空,无法分类查询!
");
107         return head;
108     }
109     p1=head;
110     printf("**********************
");
111     printf("** 请输入需要查找的姓名:");
112     gets(name);
113     printf("**********************
");
114     m=0;
115     while(p1!=NULL)
116     {
117         while(strcmp(p1->name,name)!=0&&p1->next!=NULL)
118         {
119             p2=p1;
120             p1=p1->next;
121         }
122         if(strcmp(p1->name,name)==0)  //找到联系人
123         {
124             m++;
125             printf("你查找的内容是:
");
126             printf("++++++++++++++++++++++++++++++++++++++
");
127             printf("++++ %s   %s   %s    %s     %s    +++++
",p1->name,
128                    p1->work,p1->phone,p1->email,p1->address);
129             printf("++++++++++++++++++++++++++++++++++++++
");
130         }
131         p1=p1->next;
132         if(m==0)
133         {
134             printf("此人未在本通讯录中!
");
135         }
136         break;
137     }
138     return head;
139 }
140 
141 address_list *paixu(address_list *head)
142 {
143     address_list *p1,*p2;
144     int i,j;
145     typedef struct address_list1
146     {
147         char name[30];
148         char work[30];
149         char phone[30];
150         char email[30];
151         char address[30];
152     }address_list1;
153     address_list1 px[200]; //定义结构体数组
154     address_list1 temp;
155     if(head==NULL)
156     {
157         print("通讯录为空,无法排序!
");
158         return head;
159     }
160     p1=head;
161     for(i=0;i<n,p1!=NULL;i++)//将所有联系人信息复制到结构体数组px中
162     {
163         strcpy(px[i].name,p1->name);
164         strcpy(px[i].work,p1->work);
165         strcpy(px[i].phone,p1->phone);
166         strcpy(px[i].email,p1->email);
167         strcpy(px[i].address,p1->address);
168         p2=p1;
169         p1=p1->next;
170     }
171     head=shifang(head);//释放链表空间
172     for(j=0;j<n-1;j++)
173     {
174         for(i=j+1;i<n;i++)
175         {
176             if(strcmp(px[i].name,px[j].name)<0)
177             {
178                 temp=px[i];
179                 px[i]=px[j];
180                 px[j]=temp;
181             }
182         }
183     }
184     p1=(address_list*)malloc(sizeof(address_list));//创建链表中第一个结点
185     p2=p1;
186     strcpy(p1->name,px[0].name);
187     strcpy(p1->work,px[0].work);
188     strcpy(p1->phone,px[0].phone);
189     strcpy(p1->email,px[0].email);
190     strcpy(p1->address,px[0].address);
191     head=p1;
192     for(i=1;i<n;i++)
193     {
194         p1=(address_list*)malloc(sizeof(address_list));
195         strcpy(p1->name,px[i].name);
196         strcpy(p1->work,px[i].work);
197         strcpy(p1->phone,px[i].phone);
198         strcpy(p1->email,px[i].email);
199         strcpy(p1->address,px[i].address);
200         p2->next=p1;
201         p2=p1;
202     }
203     p2->next=NULL;
204     printf("按姓名排序后为:
");
205     print(head);
206     return head;
207 }
208 
209 address_list *menu(address_list *head) //综合操作模块
210 {
211     //char num[10];
212     int num;
213     while(1)
214     {
215         printf("			**********************************************
");
216         printf("			*******   1.姓名查找                      ****
");
217         printf("			*******   2.单个显示                      ****
");
218         printf("			*******   3.增加                          ****
");
219         printf("			*******   4.退出                          ****
");
220         printf("			**********************************************
");
221         printf("请输入你选择的操作:");
222         //gets(num);
223         scanf("%d",&num);
224         getchar();
225         switch(num)  
226         {
227         case 1:
228             {
229                 head=search(head);
230                 print(head);
231             }
232             break;
233         case 2:
234             {
235                 head=display(head);
236             }
237             break;
238         case 3:
239             {
240                 head=insert(head);
241                 print(head);
242             }
243             break;
244         case 4:
245             return head;
246         default:
247             printf("操作错误,此项不存在!
");
248             break;
249         }
250     }
251     return head;
252 }
253 
254 address_list *display(address_list *head)
255 {
256     address_list *p1,*p2;
257     char name[30];
258     int m;
259     if(head==NULL)
260     {
261         printf("通讯录为空,无法显示!
");
262         return head;
263     }
264     p1=head;
265     m=0;
266     printf("请输入需要显示人的姓名:");
267     gets(name);
268     while(p1!=NULL)
269     {
270         while((strcmp(p1->name,name))!=0&&p1->next!=NULL)
271         {
272             p2=p1;
273             p1=p1->next;
274         }
275         if(strcmp(p1->name,name)==0) //显示联系人的详细信息
276         {
277             m++;
278             printf("%s的通讯录内容如下:
",name);
279             printf("---姓名------职业-----手机-----邮件------地址----
");
280             printf("==================================================
");
281             printf("== %s  ",p1->name);
282             printf("%s   ",p1->work);
283             printf("%s   ",p1->phone);
284             printf("%s   ",p1->email);
285             printf("%s   
",p1->address);
286             printf("===================================================
");
287         }
288         p1=p1->next;
289     }
290     if(m==0)
291     {
292         printf("此人未在本通讯录中!
");
293     }
294     return head;
295 }
296 
297 address_list *insert(address_list *head)
298 {
299     address_list *p0,*p1,*p2;
300     char name[30];
301     p1=head;
302     printf("请输入增加的内容:
");
303     printf("请输入姓名:");
304     gets(name);
305     if(strcmp(name,"0")==0)
306     {
307         printf("姓名不能为0,增加失败!
");
308         return head;
309     }
310     else
311     {
312         p0=(address_list*)malloc(sizeof(address_list));
313         strcpy(p0->name,name);
314         printf("请输入职业:");
315         gets(p0->work);
316         printf("请输入手机号");
317         gets(p0->phone);
318         printf("请输入邮件:");
319         gets(p0->email);
320         printf("请输入地址:");
321         gets(p0->address);
322         n=n+1;
323         if(head==NULL)
324         {
325             head=p0;
326             p0->next=NULL;
327             return head;
328         }
329         else
330         {
331             while(strcmp(p0->name,p1->name)>0&&(p1->next!=NULL))
332             {//p0->name>p1->name 且p1不是尾结点
333                 p2=p1;
334                 p1=p1->next;
335             }
336             //p0->name<=p1->name
337             if(strcmp(p0->name,p1->name)<0||strcmp(p0->name,p1->name)==0)
338             {
339                 if(head==p1)  //p1指向头结点
340                 {
341                     head=p0;
342                 }
343                 else    //p1指向中间结点
344                 {
345                     p2->next=p0;
346                 }
347                 p0->next=p1;
348             }
349             else
350             {
351                 p1->next=p0;
352                 p0->next=NULL;
353             }
354             return head;
355         }
356     }
357 }
358 
359 void save(address_list *head)
360 {
361     FILE *fp;
362     address_list *p1;
363     char addr[30];
364     if(head==NULL)
365     {
366         printf("通讯录为空,无法存储!
");
367         return;
368     }
369     printf("请输入保存后的文件名:");
370     gets(addr);
371     fp=fopen(addr,"w");
372     if(fp==NULL)
373     {
374         printf("cannot open file.
");
375         return;
376     }
377     p1=head;
378     fprintf(fp,"姓名      职业       手机       邮件       地址 
");
379     for(;p1!=NULL;)
380     {
381         fprintf(fp,"%s   %s   %s   %s     %s
",p1->name,p1->work,
382                 p1->phone,p1->email,p1->address);
383                 p1=p1->next;
384     }
385     printf("保存完毕!
");
386     fclose(fp);
387 }
388 
389 address_list *load(address_list *head)//文件读出函数
390 {
391     FILE *fp;
392     char addr[30];
393     address_list *p1,*p2;
394     printf("请输入要输入的文件名:");
395     gets(addr);
396     fp=fopen(addr,"r");
397     if(fp==NULL)
398     {
399         printf("此通讯录名不存在,无法输出!
");
400         return head;
401     }
402     else
403     {
404         head=shifang(head);
405     }
406     p1=(address_list*)malloc(sizeof(address_list));
407     fscanf(fp,"%s%s%s%s%s",&p1->name,&p1->work,&p1->phone,&p1->email,&p1->address);
408     if(feof(fp)!=0)
409     {
410         printf("文件为空,无法打开!
");
411         return head;
412     }
413     else
414     {
415         rewind(fp); //文件指针定位
416         p2=p1;
417         head=p1;
418         n=0;
419         while(feof(fp)==0)  //从文件中读取联系人的详细信息
420         {
421             fscanf(fp,"%s%s%s%s%s",&p1->name,&p1->work,&p1->phone,&p1->email,&p1->address);
422             if(feof(fp)!=0)
423                 break;
424             p2->next=p1;
425             p2=p1;
426             p1=(address_list *)malloc(sizeof(address_list));
427             n=n+1;
428         }
429         p2->next=NULL;
430         p1=head;
431         head=head->next;
432         n=n-1;
433         free(p1);
434         print(head);
435         printf("打开完毕!
");
436         return head;
437     }
438     fclose(fp);
439 }
440 
441 void delete_txt()
442 {
443     FILE *fp;
444     char fname[30];
445     printf("请输入你要删除的文件名:");
446     scanf("%s",fname);
447     fp=fopen(fname,"w");
448     fclose(fp);
449     printf("文件 %s 已被成功删除!
");
450 }
451 
452 address_list *shifang(address_list *head)
453 {
454     address_list *p;
455     while(head!=NULL)
456     {
457         p=head;
458         head=head->next;
459         free(p);
460     }
461     return head;
462 }
463 
464 int main()
465 {
466     address_list *head=NULL;
467     int n;
468     printf("			============================================
");
469     printf("			======              程序说明          ======
");
470     printf("			======  请及时保存创建完毕的通讯录内容!====
");
471     printf("			============================================
");
472     while(1)
473     {
474         printf("			********************************************
");
475         printf("			*****     1.创建通讯录                ******
");
476         printf("			*****     2.按姓名排序                ******
");
477         printf("			*****     3.综合操作                  ******
");
478         printf("			*****     4.保存                      ******
");
479         printf("			*****     5.打开                      ******
");
480         printf("			*****     6.删除                      ******
");
481         printf("			*****     7.退出                      ******
");
482         printf("			********************************************
");
483 
484         printf("请输入你要选择的操作:");
485         scanf("%d",&n);
486         getchar();
487         switch(n)
488         {
489         case 1:
490             {
491                 if(head==NULL) //创建
492                 {
493                     head=creat();
494                     print(head);
495                 }
496                 else
497                 {
498                     head=shifang(head);
499                     head=creat();  //重新创建
500                     print(head);
501                 }
502             }
503             break;
504         case 2:
505             {
506                 head=paixu(head);
507             }
508             break;
509         case 3:
510             {
511                 head=menu(head);
512             }
513             break;
514         case 4:
515             {
516                 save(head);//文件保存
517                 print(head);
518             }
519             break;
520         case 5:
521             {
522                 head=load(head);//输出
523             }
524             break;
525         case 6:
526             {
527                 delete_txt();//以新建同名文件的方式删除文件中的全部内容
528             }
529             break;
530         case 7:
531             {
532                 head=shifang(head);
533             }
534             exit(0);
535         default:
536             printf("操作错误,此项不存在!
");
537             break;
538         }
539     }
540     return 0;
541 }
原文地址:https://www.cnblogs.com/Xbert/p/5142931.html