指导个人日记管理系统(C语言)

1、个人日记管理系统(C语言)# include# include# include# include# include# include/*宏定义ESC和Enter键的ascii值分别是27和13 */#define Esc 27#define Enter 13/*日记结点类型*/ typedef struct diary char date15; /日记日期 char title20; /日记标题 int flag; /用来标记该日记是否满足查阅要求，满足为-1，初始值为0； struct diary *next;DiaryNode; /*用户结点类型 */ typedef struct us

2、er char user_name20; /用户名 char password20; /密码 int count; /存储相应用户的日期篇数 DiaryNode *firstedge; struct user *next; *userList,userNode; /*函数声明*/ void Show_Interface();void Version_file();userList Init_user();void main_meno(userList L); void User_Login(userList L);userList User_apply(userList L);void Hel

3、p_file();void User_Operate(userNode *H,userList L);void Write_dairy(userNode *H,userList L);int Search_dairy(userNode *H,char temp); void Read_dairy(char dairy_name);void Delete_dairy(userNode *H,userList L);void Rejigger_user_password(userNode *H,userList L);void Consult_dairy_meno(userNode *H); vo

4、id Consult_dairy(userNode *H,int i); void Express_chage_dark(char temp);void Dark_chage_express(char temp);void Password_input(char temp);void Save_user(userList L);void Save_dairy(userNode *H);/保存文件 /*/ /*欢迎界面*/void Show_Interface()char xx1080;char res80;int t=10;int i,m,a,b,c;strcpy(xx0,tttPersona

5、l Diary Management Systemn);strcpy(xx1,ttttAlgorithm Design:soulenvyn);strcpy(xx2,ttttCode Editor:soulenvyn);strcpy(xx3,ttttFrame Design:Palon);strcpy(xx4,ttttTest:soulenvy&Palon);strcpy(xx5,ttttVersion 1.0n);strcpy(xx6,ttttPublish:B.S.Pn);strcpy(xx7,ttttJune 8th 2011n);dofor(i=0;i80;i+) printf(*);p

6、rintf(%s,xx0);for(i=0;i=1&a=1&b=1&c0);void Version_file() FILE *fp; char c; system(cls); Sleep(500); fp=fopen(version.txt,r); /以只读的方式打开文件，将文件指针赋给fp if(fp=NULL) printf (n-?- THE FILE CAN NOT BE OPENED.); return ; while(feof(fp)=0) c=fgetc(fp); /将文件中的字符读入 printf(%c,c); Sleep(25); fclose(fp); printf(nn

7、t); system(pause); /*查阅日记操作*/void Consult_dairy(userNode *H,int i) DiaryNode *p; FILE *fp; char temp20; int j; int flag=0; p=H-firstedge; if (i=-1) /进行顺序查询 printf(nn-?- Please input the number of diary:n- ); scanf(%d,&j); if (jcount) while(j1) p=p-next; j-; p-flag=-1; /找到符合条件日记，对应结点的flag赋为-1，以便待会筛选出

8、来 flag=1; else if (i=0) printf(n-?- Please input the time:n- ); /进行日期查询 if (i=15) printf(n-?- Please input the theme:n- ); /进行关键字查询 scanf(%s,temp); rewind(stdin); while(p!=NULL) if(strstr(p-date+i),temp)!=NULL) p-flag=-1; flag=1; /找到符合条件的结点，其flag赋予-1，以便待会筛选出来 p=p-next; if(flag=0) printf(ntt#SORRY,TH

9、E DIARY CAN NOT BE FOUND#); else p=H-firstedge; printf(ntThe diaries are:n); chdir(H-user_name); while(p!=NULL) if(p-flag=-1) printf(ntn); printf(ttName:%sttTime%sn,p-title,p-date); p-flag=0; /筛选输出结点的flag为-1的日记名，日期 Read_dairy(p-title); p=p-next; chdir(.); printf(nntt); system(pause); /*查阅日记菜单*/void

10、Consult_dairy_meno(userNode *H) char choice; printf(nnt |n); printf(t |1.By ordert2.By timet3.By theme tt|n); printf(t |n); printf(n-?- Choose an item(Esc for quit)n- ); choice=getche(); if (choice=Esc) return; switch(choice) case1: Consult_dairy(H,-1);break; case2: Consult_dairy(H,0);break; case3:

11、Consult_dairy(H,15);break; /*删除用户日记操作*/void Delete_dairy(userNode *H,userList L) DiaryNode *p; /指向要删除的结点 DiaryNode *pre; /指向要删除的结点的前驱结点 int i,j; char flag; printf(nn-?- Please input the number to delete:n- ); scanf(%d,&i); rewind(stdin); j=i; p=H-firstedge; while(i1) p=p-next; i-; p-flag=-1; /要删除的结点

12、的flag标识符设为-1 p=H-firstedge; while(p!=NULL&(p-flag=0) pre=p; p=p-next; printf(n-$- You want to delete this diary:n); printf(ttNumber:%dt Name:%stTime:%s,j,p-title,p-date); printf(nDo you want to delete this diary:(Y or N) t); scanf(%c,&flag); rewind(stdin); if(flag=Y|flag=y) if(H-firstedge=p) H-first

13、edge=p-next; /要删除的结点为第一结点时 else pre-next=p-next; /要删除的结点不是第一结点时 else return ; chdir(H-user_name); /把相应用户的目录弄为当前工作目录 H-count-; /用户的日记数减1 remove(p-title); /去掉相应的文件 free(p); /释放要删除的结点空间 Save_dairy(H); /保存用户日记信息，不然原有的用户日记信息还是不变 Save_user(L); /保存用户信息 printf(ntDeleting,please wait.); Sleep(1000); printf(n

14、ntThe diary has delete!nt); system(pause); /*密文转换成明文*/void Dark_chage_express(char temp) int i; i=0; while(tempi!=0) tempi=tempi+2; i=i+1; /*明文转换成密文*/void Express_chage_dark(char temp) int i; i=0; while(tempi!=0) tempi=tempi-2; i=i+1; /*整数输入控制*/int Input_Integer() char str10; long n,i=0; scanf(%s,st

15、r); rewind(stdin); while(stri!=0) /对字符串的各个字符进行判断，只是字符串结束 if(stri9) return -1; i+; n=atoi(str); /利用atoi函数将字符串str转换成整型数 return n; /返回输入的正整数/*初始化用户信息，读取系统已有的用户和用户相应的日记*/userList Init_user() FILE *fp1; FILE *fp2; userList L=NULL; userNode *p; DiaryNode *s; if (fp1=fopen(Userlist,r+)=NULL) return L; whil

16、e(!feof(fp1) p=(userNode *)malloc(sizeof(userNode); if(fread(p,sizeof(userNode),1,fp1)!=1) break; p-firstedge=NULL; /读取系统已有的用户信息 p-next=L; L=p; chdir(p-user_name); /把相应用户目录作为当前工作目录 if(fp2=fopen(dairylist,r+)=NULL) chdir(.); continue; else while(!feof(fp2) s=(DiaryNode *)malloc(sizeof(DiaryNode); /读取

17、系统相应用户的相应日记信息 if(fread(s,sizeof(DiaryNode),1,fp2)!=1) break; s-next=L-firstedge; L-firstedge=s; chdir(.); /把父目录作为当前工作目录 fclose(fp2); fclose(fp1); return(L); /*主菜单*/void main_meno(userList L) char choice;system(cls); do printf(nttPersonal Diary System(v1.0)0) /当不是第一个输入删除键时 ，进行的操作 rewind(stdin); print

18、f(b); printf( ); printf(bb); i-; continue; else if(tempi!=b&i=0) /当不是输入删除键时,输出*号 printf(*); i=i+1; tempi=0; /*读日记操作*/ void Read_dairy(char dairy_name) FILE *fp; char temp200; int i=0; fp=fopen(dairy_name,r); printf(ntThe content of diary is as following:ntt); while(feof(fp)=0) fscanf(fp,%c,&tempi);

19、i+; tempi=0; Dark_chage_express(temp); printf(%sn,temp); fclose(fp);/*修改用户密码*操作*/void Rejigger_user_password(userNode *H,userList L) char temp120; /用于保存原有的密码 ,设计这个有利于密码的更有效率的保存 char temp220; /用于保存第一次输入的密码 char temp320; /用于保存第二次输入的密码 char flag; strcpy(temp1,H-password); Dark_chage_express(temp1); pri

20、ntf(nntYour password is tt%s,temp1); printf(nn-?- Please input the password:n- ); Password_input(temp2); printf(n-?- Please input the password againn- ); Password_input(temp3); while(strcmp(temp2,temp3)!=0) /两二次输入的密码一样 printf(n-!- THE PASSWORDS IS NOT THE SAME!n); printf(nn-?- Please input the passw

21、ord:n- ); Password_input(temp2); printf(n-?- Please input the password againn- ); Password_input(temp3); Express_chage_dark(temp2); strcpy(H-password,temp2); printf(nnttPassword modifying ,please wait.); Sleep(1); Save_user(L); /系统休眠5秒 printf(nntt#Password has been changed!#nnt); system(pause); /*保存

22、相应用户日记信息*/void Save_dairy(userNode *H) FILE *fp; DiaryNode *p; chdir(H-user_name); if(fp=fopen(dairylist,w)=NULL) printf(-!- CAN NOT OPEN THE FILE!n); system(PAUSE); return; p=H-firstedge; while(p!=NULL) fwrite(p,sizeof(DiaryNode),1,fp); p=p-next; chdir(.); fclose(fp); /*保存全部用户信息*/void Save_user(use

23、rList L) FILE *fp; userNode *p; fp=fopen(Userlist,w); p=L; while(p!=NULL) fwrite(p,sizeof(userNode),1,fp); p=p-next; fclose(fp); /*查找是否有同名日记操作*/int Search_dairy(userNode *H,char temp) DiaryNode *p; p=H-firstedge; while(p!=NULL&strcmp(p-title,temp)!=0) p=p-next; if(p!=NULL) return 0; else return 1; /

24、*申请新用户操作*/userList User_apply(userList L) char temp120; char temp220; int i; char flag; userNode *p; userNode *s; rewind(stdin); s=(userNode *)malloc(sizeof(userNode); system(cls); printf(nttt|n); printf(ttt|tRegistert|n); printf(ttt|n); printf(ntUser list:n); p=L; while(p!=NULL) printf(ttt%sn,p-use

25、r_name); p=p-next; /输出系统已存在的用户名，以让用户申请新用户时，有个注意，不申请重复的用户名 p=L; printf(nn-?- Please input a new name:n- ); scanf(%s,s-user_name); rewind(stdin); while(p!=NULL&strcmp(p-user_name,s-user_name)!=0) p=p-next; /判断有没有重复的用户名 while(p!=NULL) printf(n-!- THE NAME IS EXIST!n); printf(n-?- Continue to register?(

26、Y or N)n- ); scanf(%c,&flag); if (flag=N|flag=n)free(s); return L; printf(n-?- Please input the name:n- ); scanf(%s,s-user_name); rewind(stdin); p=L; while(p!=NULL&strcmp(p-user_name,s-user_name)!=0) p=p-next; printf(nttt#The name can be used.#n); printf(n-?- Please input the password:n- ); Password

27、_input(temp1); printf(n-?- Please input the password again:n- ); Password_input(temp2); while(strcmp(temp1,temp2)!=0) printf(n-!- THE PASSWORDS IS NOT THE SAME!n); printf(n-?- Please input the password:n- ); Password_input(temp1); printf(n-?- Please input the password again:n- ); Password_input(temp

28、2); strcpy(s-password,temp1); s-firstedge=NULL; s-count=0; /申请好用户，进行相应的操作 mkdir(s-user_name); /生成相应用户对应的文件夹，文件夹里用来存储相应用户的相应日记 Express_chage_dark(s-password); /进行密码家秘密 s-next=L; L=s; Save_user(L); /每添加一个用户时，都要进行存储用户信息的保存 printf(nttRegistering please wait.); Sleep(2000); printf(nntt#Congratulations on

29、 your application is successful#nnt); system(pause); return(L); /*相应用户登录后的操作*/void User_Operate(userNode *H,userList L) char choice; DiaryNode *p; int i; system(cls); do printf(tt %s ,Welcome to the systemuser_name); printf(t|n); printf(t| 1.New 2.View 3.Delete 4.Modify password t|n); printf(t|n); p

30、rintf(ntDiary list:n); p=H-firstedge; printf(ntt|n); printf(tt|tNO.t themettimet |n); p=H-firstedge; i=1; while(p!=NULL) printf(tt|t%dt %st%st|n,i,p-title,p-date); p=p-next; /输出相应用户的日记名 i+; printf(tt|n); printf(nn-?- Please choose an item(Esc for qiut):n- ); choice=getche(); if (choice=Esc) return;

31、switch(choice) case 1: Write_dairy(H,L);break; /写日记 case 2: Consult_dairy_meno(H);break; /查阅日记 case 3: Delete_dairy(H,L);break; /删除日记 case 4: Rejigger_user_password(H,L);break; /修改用户 system(cls); while(1); /*用户登录操作*/void User_Login(userList L) char temp20; char flag; int i,j,count; userNode *p; Diar

32、yNode *s; p=L; system(cls); printf(nttt|n); printf(ttt|tLogintt|n); printf(ttt|n); printf(ntUser list:n); printf(tt|n); printf(tt|tNO.t namett|n); count=1; while(p!=NULL) printf(tt|t%dt %stt|n,count,p-user_name); p=p-next; count+; /显示系统全部的用户信息,供用户选择登入 printf(tt|n); count-; printf(nn-?- Choose a numb

33、er:n- ); i=Input_Integer(); while(icount|i=-1) printf(nn-!- IUPUT ERROR); printf(n-?- continue to login?(Y or N)n- ); scanf(%c,&flag); if(flag=N|flag=n) return; printf(nn-?- choose a number:n- ); scanf(%d,&i); j=1; p=L; while(jnext; printf(n-$- You has choosen:tt%s,p-user_name); printf(n-?- Iuput th

34、e password:n- ); Password_input(temp); /输入密码 Express_chage_dark(temp); /明码转化为暗码，以跟以保存的用户密码比较 while(strcmp(p-password,temp)!=0) printf(n-!- WRONG PASSWORD!n); printf(n-?- Continue to input?(Y or N)n- ); scanf(%c,&flag); if (flag=N|flag=n) return; printf(n-?- Input the password:n- ); Password_input(temp); Express_chage_dark(temp); printf(nntttLogining please wait.); Sleep(2000); system(cls); User_Operate(p,L); /用户登入后，进行用户操作 /*写日记操作*/ void Write_dairy(userNode *H,userList L) char choi