花2天时间做的日志系统帮忙看看（支持多用户使用）
程序代码：#include<stdio.h>
#include<string.h>
#include<stdlib.h>
#define ESC 27
char ff[50];
zhu_ce()
{int i=0,k=0,j=0,n=0;char c;
struct z_h1 /*用来存放从文件中读取的用户名与密码*/
{char a[15],b[15];}zh1[10];
struct z_h /*用来存放输入的用户名与密码*/
{char a[15],b[15];}zh[10];
FILE *fp;
printf("||****Register****||\n");
if(fp=fopen("D:\\zhu_ce.txt","r+")==NULL) /*如果打开失败则创建一个文件只写*/
{fp=fopen("D:\\zhu_ce.txt", "w+"); fclose(fp);}
do
{
printf("Account ID :");
scanf("%s",zh[i].a);
printf("Password :");
scanf("%s",zh[i].b);
fp=fopen("D:\\zhu_ce.txt","r+");
do
{fread(&zh1[j],sizeof(zh1[j]),1,fp);j++;n++; /*读取文件内容负值给结构体*/
}while(!feof(fp));
fclose(fp);
for(n=0;n<j-1;n++) /*判断用户名是否已经被注册*/
{ if(strcmp(zh1[n].a,zh[i].a)==0)
{k=1;break;}}
if(k!=1)
{fp=fopen(zh[i].a, "w+"); fclose(fp);
fp=fopen("D:\\zhu_ce.txt","a");
fwrite(&zh[i],sizeof(zh[i]),1,fp); /*往文件里存储用户名跟密码*/
i++;
printf("Done!\n\nDo you want to register one again ?<Y/N>\n\n");
c=getch();}
else
{puts("User already exists");
puts("Please choose another user name");
getch();}
}while(c=='y'||c=='Y');
fclose(fp);
logo();
}
void deng_lu() /*登录子函数*/
{ char c[15],d[15],t;
int j,i=0,k=0;
struct z_h
{char a[15],b[15];}zh[10];
FILE *fp;
fp=fopen("D:\\zhu_ce.txt","r");
do
{fread(&zh[i],sizeof(zh[i]),1,fp); i++; /*读取文件内容负值给结构体*/
}while(!feof(fp));
fclose(fp);
printf("||*******Login*****||\n");
printf("Your ID :");
scanf("%s",c);printf("\n");
printf("Your password :");
scanf("%s",d);printf("\n");
for(j=0;j<i-1;j++) /*判断用户名密码是否正确*/
{
if((strcmp(c,zh[j].a)==0)&&(strcmp(d,zh[j].b)==0))
{
k=1;
break;
}
}
if(k!=0)
{ printf("Welcome back %s!\n\n",c);
printf("Press any key to continue");
strcpy(ff,zh[j].a);
getch();
do
{ logo1();
t=getch();
switch(t)
{
case '1':printf("\n");cha_kan();break;
case '2':printf("\n");xie();break;
}
}while(t!=27);
logo();
}
else
{
printf("Sorry ! Account Error or Password Error");
getch();
logo1();
}
}
cha_kan() /*查看子函数*/
{ char l ,n[11],f[50];
int i,j,k=0,m=0;
struct diary /*定义一个结构变量*/
{
char mood[8],weather[10],content[50],day[11];
}user[10];
FILE *fp;
fp=fopen("D:\\zhu_ce.txt","r");
if(fp=fopen(ff,"r")==NULL) /*如果打开失败则输出说明*/
{puts("Sorry !You have not written a diary");getch();logo2();return;}
else
fp=fopen(ff,"r");
do
{fread(&user[i],sizeof(user[i]),1,fp); i++; /*读取文件内容负值给结构体*/
}while(!feof(fp));
fclose(fp);
do
{ logo2();
l=getch();
switch(l)
{
case '1':
system("CLS");printf("\n"); /*序号查找*/
printf("Serial number : ");
scanf("%d",&m);
printf("Mood :%5s Data : %2s Wether : %2s\n Content : %s\n",user[m-1].mood,user[m-1].day, user[m-1].weather,user[m-1].content);
getch();break;
case '2':
system("CLS");printf("\n"); /*按日期查找*/
puts("Date(X-X-X):");
gets(n);
for(j=0;j<i-1;j++)
{if(strcmp(n,user[j].day)==0)
{printf("Mood :%5s Data : %2s Wether : %2s\n Content : %s\n",user[j].mood,user[j].day, user[j].weather,user[j].content);k=1;break;}}
if(k==0){puts("No find!");}getch();break;
case '3':
system("CLS");printf("\n"); /*按关键字查找*/
puts("Keyword : ");
gets(f);
for(j=0;j<i-1;j++)
{if(strstr(user[j].content,f)!=NULL)
{printf("Mood :%5s Data : %2s Wether : %2s\n Content : %s\n",user[j].mood,user[j].day, user[j].weather,user[j].content);k=1;}}
if(k==0){puts("No find !");}getch();break;
}
}while(l!=27);
getch();
logo1();
}
xie()
{
int i=0;
char p;
struct diary /*定义一个结构变量*/
{char mood[8],weather[10],content[50],day[11];}user[10];
FILE *fp;
fp=fopen("D:\\zhu_ce.txt","r");
if(fp=fopen(ff,"a")==NULL) /*如果打开失败则创建一个文件只写*/
{fp=fopen(ff, "w"); fclose(fp);}
else
fp=fopen(ff,"a");
do
{
puts("\nThe Mood :"); /*输入心情*/
scanf("%s",user[i].mood);
puts("The Data(X-X-X): "); /*出入日期*/
scanf("%s",user[i].day);
puts("The Weather : "); /*输入天气*/
scanf("%s",user[i].weather);
puts("The Content : ");
scanf("%s",user[i].content);
fwrite(&user[i],sizeof(user[i]),1,fp); i++; /*结果写入文件*/
puts("\nDo you want to write one again ?(Y/N)\n\n");
p=getch();
}while(p=='Y'||p=='y');
fclose(fp);
logo1();
}
logo()
{
system("CLS");
printf("\n\t\t|*******************************|");
printf("\n\t\t|*** Diary System ***|");
printf("\n\t\t|*******************************|");
printf("\n\t\t|* 1.Register new users *|");
printf("\n\t\t|* 2.User login *|");
printf("\n\t\t|* ESC.Exit *|");
printf("\n\t\t|*******************************|");
printf("\n\t\t\tPlease choose :");
}
logo1()
{system("CLS");
printf("\n\t\t|*******************************|");
printf("\n\t\t|* 1.Cheak *|");
printf("\n\t\t|* 2.Write *|");
printf("\n\t\t|* ESC.Return *|");
printf("\n\t\t|*******************************|");
printf("\n\t\t\tPlease choose :");
}
logo2()
{system("CLS");
printf("\n\t\t|*******************************|");
printf("\n\t\t|* 1.Search by serial number *|");
printf("\n\t\t|* 2.Search by date *|");
printf("\n\t\t|* 3.Search by keyword *|");
printf("\n\t\t|* ESC.Return *|");
printf("\n\t\t|*******************************|");
printf("\n\t\t\tPlease choose :");
}
main()
{
char c,a[10],b[10];
do
{ logo();
c=getch();
switch(c)
{
case '1':printf("\n");zhu_ce();break;
case '2':printf("\n");deng_lu();break;
}
}while(c!=27);
exit(0);
}
看看有什么改进的？[ 本帖最后由 tonlin 于 2009-12-20 16:31 编辑 ]
