1、#include <stdio.h>#include <stdlib.h>#include <string.h>#include <conio.h>#define NULL 0struct student char xuehao10; char name15; char xingbie6; int nianling; int dianhua; char licence20; char address40; char youxiang100; struct student *next;struct student *creat()/創(chuàng)建鏈表 str

2、uct student *p,*head,*end; head=p=end=(struct student *)malloc(sizeof(struct student);/創(chuàng)建一個節(jié)點 printf("=請輸入學生信息=n"); printf("請輸入學生學號:"); scanf("%s",p->xuehao); while(strcmp(p->xuehao,"0")!=0) end=p; printf("姓名:"); scanf("%s",p->name

3、); printf("性別:"); scanf("%s",p->xingbie); printf("年齡:"); scanf("%d",&p->nianling); printf("電話:"); scanf("%d",&p->dianhua); printf("證件號:"); scanf("%s",p->licence); printf("家庭住址:"); scanf(&quo

4、t;%s",p->address); printf("郵箱:"); scanf("%s",p->youxiang); p=(struct student *)malloc(sizeof(struct student); end->next=p;/ end=p; printf("請輸入學生學號:"); scanf("%s",p->xuehao); end->next=NULL; return head;void save(struct student *head)/保存鏈表為磁

5、盤文件 FILE *fp; struct student *p; char filename20; int ch; printf("請輸入要保存的文件名:"); scanf("%s",filename); if(fp=fopen(filename,"r")!=NULL) printf("該文件已經(jīng)存在，是否覆蓋？n"); printf("1、覆蓋. 2、不覆蓋n"); scanf("%d",&ch); if(ch!=1) printf("請重新輸入要保存的文

6、件名:"); scanf("%s",filename); if(fp=fopen(filename,"w")=NULL) printf("創(chuàng)建文件失敗!n"); return;/exit(0);正常退出，執(zhí)行后顯示press anykey to continue; / getchar(); p=head; while(p!=NULL) fprintf(fp,"%sn",p->xuehao); fprintf(fp,"%sn",p->name); fprintf(fp,&qu

7、ot;%sn",p->xingbie); fprintf(fp,"%dn",p->nianling); fprintf(fp,"%dn",p->dianhua); fprintf(fp,"%sn",p->licence); fprintf(fp,"%sn",p->address); fprintf(fp,"%sn",p->youxiang); p=p->next; fputs("over",fp); printf("

8、;文件保存成功!n");/ getchar(); fclose(fp);void output(struct student *head)/輸出鏈表 struct student *p; p=head; if(p=NULL) printf("未創(chuàng)建任何記錄!n"); getchar(); return; /head; while(p!=NULL)/do printf("學號: %s",p->xuehao); printf("n姓名: %s",p->name); printf("n性別: %s"

9、,p->xingbie); printf("n年齡: %d",p->nianling); printf("n電話: %d",p->dianhua); printf("n證件號: %s",p->licence); printf("n家庭地址: %s",p->address); printf("nyouxiang: %sn",p->youxiang); p=p->next; /while(p!=NULL); getchar();struct student

10、*openfile()/打開文件，即新創(chuàng)建鏈表讀取磁盤文件 struct student *head,*p,*f; FILE *fp; char filename20; int ch; printf("請輸入要打開的文件名:");/若文件保存在默認路徑，讀取時無需輸入路徑 scanf("%s",filename); if(fp=fopen(filename,"r")=NULL) printf("打開文件失敗!n"); printf("1、重新輸入文件名 2、退出n"); scanf("

11、%d",ch); if(ch=1) scanf("%s",filename); else if(ch=2) /getchar(); /exit(0); return NULL; head=f=p=(struct student *)malloc(sizeof(struct student); fscanf(fp,"%s%s%s%d%d%s%s%s",p->xuehao,p->name,p->xingbie,&p->nianling,&p->dianhua,p->licence,p->ad

12、dress,p->youxiang); while(!feof(fp) p=(struct student *)malloc(sizeof(struct student); f->next=p;/節(jié)點連接 fscanf(fp,"%s%s%s%d%d%s%s%s",p->xuehao,p->name,p->xingbie,&p->nianling,&p->dianhua,p->licence,p->address,p->youxiang); if(strcmp(p->xuehao,"o

13、ver")=0) f->next=NULL; printf("文件打開成功，可顯示信息!n"); getchar(); return head; f=p; / fclose(fp);/ f->next=NULL;/ return head;void sort_hao(struct student *head)/按學號排序 struct student *p,*f,*t; char ch100; int i; p=f=t=head; if(head=NULL) printf("未打開任何文件!n"); getchar(); retur

14、n; /ok/ f=p->next; for(p=head;p->next!=NULL;p=p->next)/由P來控制循環(huán)次數(shù) for(t=head,f=t->next;t->next!=NULL;t=t->next,f=f->next) if(strcmp(t->xuehao,f->xuehao)>0) strcpy(ch,t->xuehao); strcpy(t->xuehao,f->xuehao); strcpy(f->xuehao,ch); strcpy(ch,t->name); strcpy(

15、t->name,f->name); strcpy(f->name,ch); strcpy(ch,t->xingbie); strcpy(t->xingbie,f->xingbie); strcpy(f->xingbie,ch); i=t->nianling; t->nianling=f->nianling; f->nianling=i; i=t->dianhua; t->dianhua=f->dianhua; f->dianhua=i; strcpy(ch,t->licence); strcpy(t

16、->licence,f->licence); strcpy(f->licence,ch); strcpy(ch,t->address); strcpy(t->address,f->address); strcpy(f->address,ch); strcpy(ch,t->youxiang); strcpy(t->youxiang,f->youxiang); strcpy(f->youxiang,ch); printf("完成排序!n"); getchar();/ return head;/循環(huán)判斷，若此鏈表共

17、有n個節(jié)點，則共需進行n2次循環(huán)判斷void sort_name(struct student *head)/按學生姓名排序 struct student *p,*f,*t; char ch100; int i; p=f=t=head; if(head=NULL) printf("文件未能打開!n"); getchar(); return;/void類型無返回值，可以用return結束子程序以返回主程序，但return絕不能帶回任何值 / f=p->next; for(p=head;p->next!=NULL;p=p->next) for(t=head,f

18、=t->next;t->next!=NULL;t=t->next,f=f->next)/由于創(chuàng)建鏈表是以p->xuehao=0結束的故以f->next結束 if(strcmp(t->name,f->name)>0) strcpy(ch,t->xuehao); strcpy(t->xuehao,f->xuehao); strcpy(f->xuehao,ch); strcpy(ch,t->name); strcpy(t->name,f->name); strcpy(f->name,ch); str

19、cpy(ch,t->xingbie); strcpy(t->xingbie,f->xingbie); strcpy(f->xingbie,ch); i=t->nianling; t->nianling=f->nianling; f->nianling=i; i=t->dianhua; t->dianhua=f->dianhua; f->dianhua=i; strcpy(ch,t->licence); strcpy(t->licence,f->licence); strcpy(f->licence,

20、ch); strcpy(ch,t->address); strcpy(t->address,f->address); strcpy(f->address,ch); strcpy(ch,t->youxiang); strcpy(t->youxiang,f->youxiang); strcpy(f->youxiang,ch); printf("完成排序!n"); getchar();/ return head;void search(struct student *head)/查詢 struct student *p; char

21、str20; int i,j=0; p=head; if(head=NULL) printf("未打開任何文件!"); getchar(); return;/ printf("1、按學號查詢 2、按姓名查詢n"); scanf("%d",&i); if(i=1) printf("請輸入學號:"); else printf("請輸入姓名:"); scanf("%s",str); while(p!=NULL) if(i=1)/按學號查詢，只輸出一個結果,需保證學號不能重復

22、 if(strcmp(p->xuehao,str)=0) printf("學號: %sn姓名: %sn性別: %sn年齡: %dn電話: %dn證件號: %sn家庭地址: %sn郵箱: %sn",p->xuehao,p->name,p->xingbie,p->nianling,p->dianhua,p->licence,p->address,p->youxiang); j=1; break; if(i=2)/按姓名查詢，可輸出多個結果 if(strcmp(p->name,str)=0) printf("學

23、號: %sn姓名: %sn性別: %sn年齡: %dn電話: %dn證件號: %sn家庭地址: %sn郵箱: %sn",p->xuehao,p->name,p->xingbie,p->nianling,p->dianhua,p->licence,p->address,p->youxiang); j=1; p=p->next; getchar();/顯示查詢結果，沒有的話將一閃而過 if(j=0) printf("查找完畢，未搜到結果!n");/ return;struct student *add(struct

24、 student *head)/添加記錄 struct student *p,*e,*f,*h; if(head=NULL) printf("未能打開任何文件!n"); getchar(); return NULL; h=e=f=head; p=(struct student *)malloc(sizeof(struct student);/新添節(jié)點即新添加的記錄 printf("學號:"); scanf("%s",p->xuehao); printf("姓名:"); scanf("%s"

25、,p->name); printf("性別:"); scanf("%s",p->xingbie); printf("年齡:"); scanf("%d",&p->nianling); printf("電話:"); scanf("%d",&p->dianhua); printf("證件號:"); scanf("%s",p->licence); printf("家庭住址:");

26、 scanf("%s",p->address); printf("郵箱:"); scanf("%s",p->youxiang); if(strcmp(f->xuehao,p->xuehao)>0)/和表頭比較 p->next=f; h=p; printf("添加成功!n"); return h; if(f->next=NULL)/只有一個可用節(jié)點 f->next=p; p->next=NULL; printf("添加成功!n"); retur

27、n h; do/while(f->next!=NULL) f=f->next; if(strcmp(f->xuehao,p->xuehao)>0) e->next=p; p->next=f; printf("添加成功!n"); return h; else e=e->next;/ f=f->next; while(f->next!=NULL); if(f->next=NULL) f->next=p; p->next=NULL; printf("添加成功!n"); return

28、h; struct student *delete_mem(struct student *head)/刪除個人信息 struct student *p,*e; char str20; if(head=NULL) printf("未能打開任何文件!n"); getchar(); return NULL; p=e=head; printf("請輸入要刪除的學號:"); scanf("%s",str); if(strcmp(p->xuehao,str)=0) head=head->next; printf("刪除成功

29、!n"); return head; p=p->next; while(p!=NULL) if(strcmp(p->xuehao,str)=0) if(p->next!=NULL) e->next=p->next; if(p->next=NULL) e->next=NULL; printf("刪除成功!n"); return head; p=p->next; e=e->next; printf("搜索完畢，未能找到結果!n"); return head;struct student *cha

30、nge(struct student *head)/修改記錄 struct student *p; char str20; if(head=NULL) printf("未能打開任何文件!n"); getchar(); return NULL; p=head; printf("請輸入要修改的學生的學號:"); scanf("%s",str); while(p!=NULL) if(strcmp(p->xuehao,str)=0) printf("學號: %sn姓名: %sn性別: %sn年齡: %dn電話: %dn證件號:

31、 %sn家庭地址: %sn郵箱: %sn",p->xuehao,p->name,p->xingbie,p->nianling,p->dianhua,p->licence,p->address,p->youxiang); printf("請按提示輸入修改后的數(shù)據(jù)n"); printf("學號:"); scanf("%s",p->xuehao); printf("姓名:"); scanf("%s",p->name); printf

32、("性別:"); scanf("%s",p->xingbie); printf("年齡:"); scanf("%d",&p->nianling); printf("電話:"); scanf("%d",&p->dianhua); printf("證件號:"); scanf("%s",p->licence); printf("家庭住址:"); scanf("%s"

33、;,p->address); printf("郵箱:"); scanf("%s",p->youxiang); printf("修改成功!n"); getchar(); return head; p=p->next; printf("未能找到記錄!n"); return head;void mima()/創(chuàng)建密碼 FILE *fp; char mima120,mima220; int i=0; if(fp=fopen("mima","r")=NULL) pri

34、ntf("密碼尚未創(chuàng)建!n"); getchar(); do printf("請輸入密碼:"); scanf("%s",mima1); printf("請再次輸入密碼:"); scanf("%s",mima2); if(strcmp(mima1,mima2)!=0) printf("兩次輸入的密碼不一樣,請重新輸入n"); i=1; else break; while(i); fp=fopen("mima","w"); fprintf(

35、fp,"%s",mima1); printf("密碼設置成功!n"); fclose(fp); getchar(); return; else printf("密碼已創(chuàng)建!n"); getchar();void delete_doc() FILE *fp; char mima120,mima220,filename20; printf("請輸入初始化密碼:"); scanf("%s",mima1); fp=fopen("mima","r"); fscanf

36、(fp,"%s",mima2); if(strcmp(mima1,mima2)=0) printf("請輸入要刪除的文件名:"); scanf("%s",filename); if(remove(filename)=0) printf("刪除成功!n"); getchar(); return; else printf("刪除失敗，請確認是否存在此文件.n"); getchar(); return; else printf("密碼錯誤!n"); getchar(); retur

37、n;void output_use() printf("使用方法如下:n"); printf("1、編輯個人信息后需要保存，否則當你再次啟用該功能時將覆蓋原來的信息.n"); printf("2、保存信息后，若要在原文件中添加新的記錄，則首先應啟動/打開文件/功能，然后啟動/添加記錄/功能，添加完后保存.n"); printf("3、除了要新建文件外，若要進行其他功能均需要先啟動/打開文件/功能，才能繼續(xù)，否則進行其他功能均不能對已有文件作任何改變.n"); printf("4、編輯個人信息時，以學號為零

38、作為結束，故學生信息中學號不能為零n"); printf("5、由于有些限制沒有編寫，故在保存前至少編輯一個有效的學生信息n"); printf("6、刪除文件前需保證已經(jīng)設置密碼，否則出錯!n"); getchar();void output_view() printf("=n"); printf("0、使用說明n"); printf("1、編輯學生信息n"); printf("2、保存學生信息n"); printf("3、顯示學生信息n"); printf("4、打開記錄n"); printf("5、將記錄排序n"); printf("6、查詢記錄n"); printf("