用JAVA设计一个通讯录,保存读者信息。
wowo我又写了一半的代码,完成了添加用的是窗口的图形化界面,要么??
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JAVA版的图书管理系统
送你一份代码,结构大致按照你的需求了,自己增加一些小功能,不会的话请教你同学。
分给我,钱就不用了。
#include string.h
#define FORMAT "\n%-8d%-8d%-7d%-8d%-7d%-8d%-10s%-9s%-9s\n"
#include stdio.h
#include conio.h
#include malloc.h
#define NULL 0
#define N 100
#define LEN sizeof(struct book)
int M;
struct book
{int Enum;
int Cnum;
char name[10];
char author[10];
char publishor[30];
struct date
{int year;
int month;
int day;}time;
int price;
struct book*next;
}go[N];
void print()
{printf("---------------------------------------------------------------------------\n");
printf("Enum Cnum year month day price name author publishor\n");
printf("---------------------------------------------------------------------------\n");
}
void load()
{FILE *fp;
int i;
if((fp=fopen("book_list","rb"))==NULL)
{printf("cannot open file\n");
return;
}
i=0;
while((fread(go[i],sizeof(struct book),1,fp))!=NULL)
{i++;}
M=i;
fclose(fp);
}
void save(int h)
{FILE *fp;
int i;
if ((fp=fopen("BOOK_LIS","wb"))==NULL)
{printf("cannot open file\n");
return;
}
for (i=0;ih;i++)
if(fwrite(go[i],sizeof(struct book),1,fp)!=1)
printf("file write error\n");
fclose(fp);
}
void f1()
{FILE *fp;
int i=0;
fp=fopen("book_list","rb");
print();
while((fread(go[i],sizeof(struct book),1,fp))!=NULL)
{printf(FORMAT,go[i].Enum,go[i].Cnum,go[i].time.year,go[i].time.month,go[i].time.day,go[i].price,go[i].name,go[i].author,go[i].publishor);
i++;
}
fclose(fp);
getch();
}
void f2(int h)
{int i;
printf("please input %d book's information\n",h);
printf("Enum Cnum year month day price name author publishor\n");
for(i=0;ih;i++)
{printf("Enum:\n");
scanf("%d",go[i].Enum);
printf("Cnum:\n");
scanf("%d",go[i].Cnum);
printf("please input year month day\n");
scanf("%d%d%d",go[i].time.year,go[i].time.month,go[i].time.day);
printf("price:\n");
scanf("%d",go[i].price);
printf("name:\n");
scanf("%s",go[i].name);
printf("author:\n");
scanf("%s",go[i].author);
printf("publishor:\n");
scanf("%s",go[i].publishor);
}
save(h);
return;
}
void f3()
{int i;
struct book;
char a[20],b[20],c[20];
load();
printf("please input 'name' or 'author':\n");
scanf("%s",a);
if(strcmp(a,"name")==0)
{printf("please input the book's name:\n");
scanf("%s",b);
for(i=0;iM;i++)
if(strcmp(b,go[i].name)==0)
{print();
printf(FORMAT,go[i].Enum,go[i].Cnum,go[i].time.year,go[i].time.month,go[i].time.day,go[i].price,go[i].name,go[i].author,go[i].publishor);
}
}
else
{printf("please input the book's author:\n");
scanf("%s",c);
for(i=0;iM;i++)
if(strcmp(c,go[i].author)==0)
{print();
printf(FORMAT,go[i].Enum,go[i].Cnum,go[i].time.year,go[i].time.month,go[i].time.day,go[i].price,go[i].name,go[i].author,go[i].publishor);
}
}
return;
}
void f4()
{int i,j,k;
struct book t;
load();
for(i=0;iM;i++)
{k=i;
for(j=i+1;jM;j++)
if(go[k].pricego[j].price)k=j;
t=go[i];go[i]=go[k];go[k]=t;
}
print();
for(i=0;iM;i++)
printf(FORMAT,go[i].Enum,go[i].Cnum,go[i].time.year,go[i].time.month,go[i].time.day,go[i].price,go[i].name,go[i].author,go[i].publishor);
}
void f5()
{FILE *fp;
int i,j,M,flag;
char name[10];
if((fp=fopen("book_list","rb"))==NULL)
{printf("cannot open file\n");
return;
}
printf("\norriginal data:\n");
print();
for(i=0;fread(go[i],sizeof(struct book),1,fp)!=0;i++)
printf(FORMAT,go[i].Enum,go[i].Cnum,go[i].time.year,go[i].time.month,go[i].time.day,go[i].price,go[i].name,go[i].author,go[i].publishor);
M=i;
printf("\n input the deleted name:\n");
scanf("%s",name);
for(flag=1,i=0;flagiM;i++)
{if(strcmp(name,go[i].name)==0)
{for(j=i;jM-1;j++)
{go[j].Enum=go[j+1].Enum;
go[j].Enum=go[j+1].Enum;
strcpy(go[j].name,go[j+1].name);
strcpy(go[j].author,go[j+1].author);
strcpy(go[j].publishor,go[j+1].publishor);
go[j].time.year=go[j+1].time.year;
go[j].time.month=go[j+1].time.month;
go[j].time.day=go[j+1].time.day;
go[j].price=go[j+1].price;
}
flag=0;
}
}
if(!flag)
M=M-1;
else
printf("not found!\n");
printf("\nNow,the content of file:\n");
fp=fopen("book_list","wb");
for(i=0;iM;i++)
fwrite(go[i],sizeof(struct book),1,fp);
fclose(fp);
fp=fopen("book_list","wb");
for(i=0;fread(go[i],sizeof(struct book),1,fp)!=0;i++);
printf(FORMAT,go[i].Enum,go[i].Cnum,go[i].time.year,go[i].time.month,go[i].time.day,go[i].price,go[i].name,go[i].author,go[i].publishor);
fclose(fp);
}
main()
{int i,h;
clrscr();
while(1)
{printf ("\n 1 is a project that can output all information.\n");
printf ("\n 2 is a project that can add any book's information.\n");
printf ("\n 3 is a project that can search information.\n");
printf ("\n 4 is a project that can sort.\n");
printf ("\n 5 is a project that can del.\n");
printf ("\n 6 is a project that can leave.\n");
printf("please input number:1 or 2 or 3 or 4 or 5 or 6\n");
scanf("%d",i);
switch (i)
{case 1:f1();break;
case 2:
{printf ("if you want to add book's information,please input a data:h=");
scanf("%d",h);
f2(h);}break;
case 3:
{f3();getch();}break;
case 4:{f4();getch();}break;
case 5:{f5();getch();}break;
case 6:exit (1);
}
clrscr();}
}
java显示借阅多少代码
java显示借阅n加1的代码。根据查询相关信息显示java读者信息添加和读者信息查询与修改功能,用户登录成功之后,可以浏览所有读者的信息,也可以检索特定读者的信息,同时,可以对读者信息进行维护,包括增加、删除及修改,具体信息包括读者类型,读者的类型决定着他可以借到书的最大数量和最大归还天数。
名称栏目:Java读者信息添加代码,java读者信息添加代码是什么
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