分类记事本--Aeolus_WinD3贴_c语言吧

vc99
34位粉丝

1楼

我做的分类记事本,能够添加,读取,删除,修改,统计,查询记录功能,这是我们的期末大作业,不知哪里还可以改进,谢谢赐教!

#include "header.h"
const char PWD[]="1";
int password()
{
char c;
char s[sizeof(PWD)];
int k,count=0;
printf("\n\n\t\t\t请输入管理员密码：");
scanf("%s",s);

if( strcmp( s, PWD ) == 0 )
return k=1; //密码正确
else {printf("\n\n\t\t\t密码错误.你无权访问此程序!\n\n\n");++count;}
return k=0;
}
/////////////////////////////////////////////////////////////////////////////////////////////////////////////
//main函数部分
void main() {
int password();
if(password() ==0) /* 检查密码 */
exit(0);
system("cls");
printf("All Rights reserved. Aeolus Studio INC\nV1.02\n\n");
DisplayMainMenu();
}
/////////////////////////////////////////////////////////////////////////////////////////////////////////////
//笔记内容写入操作
void write()
{
int i,n,j,sel='Y';
n=fileopenR();

printf("写入中……\n\n");
printf("你已经存有%d条记录",n);
while(sel=='Y'¦¦sel=='y'){
printf("共有以下类别以供参考:\n");
for(j=0;j<6;j++)
printf("\t%s\n",type[j]); //显示分类目录
printf("你想把笔记归入哪个类别："); //开始输入笔记信息
scanf("%s",&NoteData[n].type);
printf("此条记录序号为:%d\n ",n+1);
NoteData[n].number=(n+1);
printf("请输入标题：");
scanf("%s",&NoteData[n].name);
printf("日期(以\"年.月.日\"方式输入):");
scanf("%d.%d.%d",&NoteData[n].date.year,&NoteData[n].date.month,&NoteData[n].date.day);
printf("请输入内容：");
scanf("%s",&NoteData[n].content);

printf("输入完毕,是否继续?\n");
scanf("%s",&sel);
if(sel=='n'¦¦sel=='N'){
printf("你已经存储了%d条记录。\n",n+1);
break ;}
else if (sel=='Y'¦¦sel=='y'){
system("cls");
printf("\n********************************************************************************");
printf("\t\t\t\t你选择继续添加记录\n\n");
n+=1;}
}
if( (fp=fopen("NoteData.txt","w+"))==NULL) {printf("无法打开文件NoteData.txt\n");return;}
for(i=0;i<=n;i++)
fwrite(&NoteData[i],sizeof(struct data),1,fp);
fclose(fp);
printf("\n笔记录入完成。");
quit();
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////
//笔记读取操作
void load()
{
int i,n=-1;
if((fp=fopen("NoteData.txt","r+"))==NULL) {printf("无法打开文件NoteData.txt\n");return;}
for(i=0;fread(&NoteData[i],sizeof(struct data),1,fp)!=0;i++){
printf("*******************************************************************************\n\n");
printf("分类名称:%s\n序号:%d\t\t标题:%s\n",NoteData[i].type,NoteData[i].number,NoteData[i].name);
printf("日期:%d.%d.%d \n",NoteData[i].date.year,NoteData[i].date.month,NoteData[i].date.day);
printf("\n内容:%s\n\n\n\n",NoteData[i].content);
}
fclose(fp);
n=i;
printf("\n\n\n读取完毕,共有%d条记录\n",i);
if(n<0) printf("文件为空，请重试。\n");
quit();
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////
//笔记删除操作
void del()
{
int i,j,flag=0,n,x;
int num;

n=fileopenR();

2005-1-11 12:58
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vc99
34位粉丝

2楼

if(n==0) {printf("\n笔记为空为空。\n\n");quit();}
printf("\n\n以下是待删除记录的简明信息:\n============================================\n");
for(x=0;x<n;x++){
printf("类别:%s\n\n序号:%d\t名称:%s\n\n",NoteData[x].type,NoteData[x].number,NoteData[x].name);
printf("============================================\n");}
printf("\n准备删除...\n共有%d条记录\n",n);
while(num!=0){
printf("\n请输入序号:(退出操作请按0) ");
scanf("%d",&num);
if (num==0) quit();
for(flag=1,i=0;flag&&i<n;i++){
if(num==(NoteData[i].number)){
for(j=i;j<n;j++){
strcpy(NoteData[j].type, NoteData[j+1].type);
NoteData[j].number = (NoteData[j+1].number-1); //对记录序号重新排序
strcpy(NoteData[j].name, NoteData[j+1].name);
NoteData[j].date.year = NoteData[j+1].date.year; NoteData[j].date.month = NoteData[j+1].date.month ; NoteData[j].date.day = NoteData[j+1].date.day;
strcpy(NoteData[j].content , NoteData[j+1].content);
}
flag=0;
if((fp=fopen("NoteData.txt","w+"))==NULL) {printf("无法打开文件NoteData.txt\n");quit();}
for(i=0;i<n-1;i++) fwrite(&NoteData[i],sizeof(struct data),1,fp);
fclose(fp);
printf("\n文件已经删除完毕，希望你不会后悔！");
}
}
if(!flag){
n-=1;
if(n==0) {printf("现在文件为空内容，退出该操作。!\n");return;}
}
else printf("没有发现相应笔记，请重新输入笔记序号。\n");
}quit();
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////
//笔记编辑操作
void edit()
{
int i,j,n=-1,sel,x;
char na[40];
struct data temp;

j=fileopenR();
printf("共含 %d条记录。",j);
printf("\n\n以下是待删除记录的简明信息:\n============================================\n");
for(x=0;x<j;x++){
printf("类别:%s\n\n序号:%d\t名称:%s\n\n",NoteData[x].type,NoteData[x].number,NoteData[x].name);
printf("============================================\n");}
printf("\n请输入要修改信息的标题(输入0退出): ");
scanf("%s",na);
for(i=0;i<j;i++)
if(strcmp(na,NoteData[i].name)==0)
n=i;
else quit();
printf("\n请问你要...\n");
printf("\n\t\t\t<1>.修改分类名称.\n\t\t\t<2>.修改标题.\n\t\t\t<3>.修改日期.\n\t\t\t<4>.修改内容\n");
printf("\t\t\t<5>.退出。\n");printf("\t\t请选择:");
scanf("%d",&sel);
switch(sel){
case 1: printf("\n请输入新分类名称:");
scanf("%s",temp.type); strcpy(NoteData[n].type,temp.type);
printf("\n修改成功。"); break;
case 2: printf("\n请输入新标题: ");
scanf("%s",temp.name); strcpy(NoteData[n].name,temp.name);
printf("\n修改成功。"); break;
case 3: printf("\n请输入新日期(以\"年.月.日\"方式输入):");
scanf("%d.%d.%d",&temp.date.year,&temp.date.month,&temp.date.day);
NoteData[n].date.year=temp.date.year;
NoteData[n].date.month=temp.date.month;
NoteData[n].date.day=temp.date.day;
printf("\n修改成功。"); break;
case 4: printf("\n请输入新内容:");
scanf("%s",temp.content); strcpy(NoteData[n].content,temp.content);
printf("\n修改成功。"); break;
case 5: quit();
}
if((fp=fopen("NoteData.txt","w+"))==NULL) {printf("无法打开文件NoteData.txt.\n");return;}
for(j=0;j<i;j++)
fwrite(&NoteData[j],sizeof(struct data),1,fp);

2005-1-11 12:58
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vc99
34位粉丝

3楼

fclose(fp);
printf("\n\n\n编辑完毕。\n");
quit();
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////
//对笔记记录各类别条数进行统计，并按降序输出
void sort()
{
int i,n,x;
int a;
for(a=0;a<6;a++)
NoteSort[a].number=0;

n=fileopenR();
printf("\n我的笔记本共含有%d条记录。各详细类别中条目如下：",n);
for(i=0;i<n;i++){
for(x=0;x<6;x++)
if(strcmp(NoteData[i].type,NoteSort[x].type)==0)
++NoteSort[x].number;
}
for(;n>=0;n--){
for(x=0;x<6;x++)
if((n==(NoteSort[x].number))){ //将各分类笔记数目同总笔记数目比较,符合则显示,不符则将总数目减一后比较
printf("\n============================================\n");
printf("\n\t %s %d条记录\n",NoteSort[x].type,NoteSort[x].number);}
}
quit();
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////
//查找笔记内容
void search()
{
int i,n;
int m=-1,find=0;
char na[40];

n=fileopenR();
printf("\n\n开始查询,请输入检索字:");
printf("\n============================================\n");
scanf("%s",na);
int x;
for(i=0;i<n;i++){
  x=findmatch(NoteData[i].name,na);
   if(x>=0){
printf("\n分类名称: %s\t\t 序号:%d\n",NoteData[i].type,NoteData[i].number);
printf("日期:%d.%d.%d\n",NoteData[i].date.year,NoteData[i].date.month,NoteData[i].date.day);
printf("标题: %s\n\n",NoteData[i].name);
printf("内容：%s\n\n\n",NoteData[i].content); printf("\n"); m=x; ++find;
printf("============================================\n");
}
}
if(m>=0) printf("\n\t待找信息已列出!\t\t"); printf("\t共计%d条记录\n",find);
if(m<0) printf("\t没有搜到与该字相关的记录!\n\n");
if(strcmp(na,"0")==0) quit();
quit();
}

//////////////////////////////////////////////////////////////
这里是头文件
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <string.h>

#define MAX 100
void load();
void write();
void del();
void edit();
void sort();
void search();
char type[6][9]={"课堂笔记","问题记录","我的日记","会议记录","实用技巧","网页收藏"};
FILE *fp;

////////////////////////////////////各项记录数据结构体///////////////////////////////////////////////////////////
struct data{
char type[20];
int number;
char name[40];
struct {
int year;
int month;
int day;
}date;
char content[200];
}NoteData[MAX];
///////////////////////////////////笔记记录统计结构体/////////////////////////////////////////////////////////////
struct datasort{
char type[20];
int number;
}NoteSort[6]={{"课堂笔记"}, {"问题记录"}, {"我的日记"},{"会议记录"}, {"实用技巧"},{"网页收藏"}} ;
////////////////////////////////////////////////////显示主菜单程序////////////////////////////////////////////////
void DisplayMainMenu()
{
int selete;
printf("\n");
printf("\t\t==========================================\n");
printf("\t\t\t ——分类记事本 ——\n");
printf("\t\t==========================================\n");
printf("\t\t学号：20041120347 姓名：温晓林班级：二班\n\n");
printf("\t\t\t1.分类记事本记录读取\n");
printf("\t\t\t2.分类记事本记录增加\n");
printf("\t\t\t3.分类记事本记录删除\n");
printf("\t\t\t4.分类记事本记录编辑\n");
printf("\t\t\t5.分类记事本记录统计\n");
printf("\t\t\t6.分类记事本记录查询\n");
printf("\t\t\t7.退出\n\n");
printf("\t\t\t请选择(1-7)：");

scanf("%d",&selete);
switch(selete){
case 1: load(); break;
  case 2: write();break;
  case 3: del(); break;
  case 4: edit(); break;
  case 5: sort(); break;
  case 6: search();break;
  case 7: exit(0);break;
}
}
////////////////////////////////////退出程序////////////////////////////////////////////////////////////////////////
void quit()
{
system("pause");system("cls");DisplayMainMenu();
}
///////////////////////////////////////文件读取式打开函数///////////////////////////////////////////////////////////
int fileopenR()
{
int i;
if((fp=fopen("NoteData.txt","r"))==NULL) {printf("无法打开文件NoteData.txt.\n");return -1;}
for(i=0;fread(&NoteData[i],sizeof(struct data),1,fp)!=0;i++);
fclose(fp); return i;
}
/////////////////////////////////////////查找函数////////////////////////////////////////////////
int findmatch(char s[],char t[])
{
int i,j,k;
for(i=0;s[i]!='\0';i++){
for(j=i,k=0;t[k]!='\0' && s[j]==t[k];j++,k++);
  if(k>0 && t[k]=='\0')
  return i;
}
return -1;
}
//////////////////////////////////////////////////////////////////////////////////////////////////

2005-1-11 12:58
回复

elva6401 5位粉丝	4楼不知道他为什么喜欢把帖放到置顶.哎......
2005-1-11 13:02 回复

akuma
0位粉丝

5楼

int password()
{
char c;
char s[sizeof(PWD)];
/* don't allocate array like that, PWD is a pointer to char array,
which in most of the mainstream OS(such as M$ Window$ 95/NT/98/Me/2000/XP 32-bit Version, Linux, FreeBSD, etc.) is 4 bytes in size. 2 bytes in good-old ms-dos. This will not be what you've expected.*/

/* If you are using a 32-bit compiler, what is really happening in your case is you allocated a char array with 4 bytes in size. Fortunately, your preset password is only 2 bytes (1 for '1', the other being a null '\0'), as long as you type in the correct password (or something shorter than 3 bytes, you're okay. */

/* Anyway, this proper way to do this should be
const int MAX_BUF = 41;
char * buf[MAX_BUF];
...
scanf("%40s", buf);
if (strncmp(buf, PWD, MAX_BUF == 0)
...
*/

/* by the way, it seems you don't need the variable k, don't you? */

/* I am using a friend's computer with no chinese input, thus, i have to type in English. SORRY for any inconvinience. I will tell you more when i get home, in chinese, of course. */

2005-1-12 03:28
回复

akuma 0位粉丝	6楼 sorry, i type something wrong SHOULD BE /* Anyway, the proper way to do this should be const int MAX_BUF = 41; char buf[MAX_BUF]; ... scanf("%40s", buf); if (strncmp(buf, PWD, MAX_BUF == 0) ... */ ... Ha Ha, Coz' I was in hurry, I have to go now...
2005-1-12 03:32 回复

202.196.16.*	7楼有没有不分类的啊你可以完成吗
2006-2-26 10:07 回复

221.233.86.*	8楼这些东西真是自己写的吗?要是那样的话.我想我算是遇上高手了.你们帮帮助我吗我的QQ18634860
2006-10-15 17:13 回复

124.165.114.*	9楼吗呀，，我看的眼都昏了
2008-8-28 23:09 回复



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分类记事本--Aeolus_WinD3贴

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