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。

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