练习Perl单文件实现图书管理功能
#!/usr/bin/perl -w#版本：1.0.1
#时间：2017-09-13
#作者：刘远
#邮箱：centos@126.com
use utf8;
use 5.010;
use strict;
binmode(STDIN,':encoding(utf8)');
binmode(STDOUT,':encoding(utf8)');
#解决linux退格的问题，windows下可能会不兼容
`stty erase ^H`;
#初始定义一些书和一些会员名
my @books=('第一本Docker书','Perl语言入门','Head Python','Linux企业应用案例精解');
my @vips=('鬼魂儿','牛头','马面');
my @books2=('图书列表','图书添加','图书删除','图书查找');
my @vips2=('会员列表','会员添加','会员删除','会员查找');
my @index=('图书管理','会员管理','借还书管理','保存退出');
my @bo_re=('借书','还书','借还书查找');
my @bo_re2=('按图书','按会员');
my %book_vip;
my $us;
sub book_list{
say "\n---------------------";
for(0..$#books){
if($book_vip{$books[$_]}){
say "\e》($book_vip{$books[$_]})\e[0m";
}else{ say "\e》\e[0m"; }
}
say "总共书籍：",scalar @books,"本";
say "---------------------\n";
}
sub book2_list{
for(0..$#books2){
say $_+1,". $books2[$_]";
}
&input_num;
given($us){
when(/1/) { &book_list }
when(/2/) { &add_book }
when(/3/) { &delete_book }
when(/4/) { &search_book }
default { die "【错误】输入正确的数字!!\n" }
}
&index_list;
}
sub vip_list{
for(0..$#vips){
say $_+1,". $vips[$_]";
}
say "总共会员：",scalar @vips,"人";
say "---------------------\n";
}
sub vip2_list{
for(0..$#vips2){
say $_+1,". $vips2[$_]";
}
&input_num;
given($us){
when(/1/) { &vip_list }
when(/2/) { &add_vip }
when(/3/) { &delete_vip }
when(/4/) { &search_vip }
default { die "【错误】输入正确的数字!!\n" }
}
&index_list;
}
sub bo_re_list{
for(0..$#bo_re){
say $_+1,". $bo_re[$_]";
}
&input_num;
given($us){
when(/^1$/) { &bo_book }
when(/^2$/) { &re_book }
when(/^3$/) { &bo_re2_list }
default { die "【错误】输入正确的数字!!\n" }
}
&index_list;
}
sub bo_re2_list{
for(0..$#bo_re2){
say $_+1,". $bo_re2[$_]";
}
&input_num;
given($us){
when(/^1$/) { &vip_book("book") }
when(/^2$/) { &vip_book("vip") }
default { die "【错误】输入正确的数字!!\n" }
}
}
sub index_list{
say "\e[1m=== 图书馆系统 ===\e[0m";
for(0..$#index){
say "\e\e[0m","\e[1m||\e[0m";
}
say "\e[1m=== 图书馆系统 ===\e[0m";
&input_num;
given($us){
when(/^1$/) { &book2_list }
when(/^2$/) { &vip2_list }
when(/^3$/) { &bo_re_list }
when(/^4$/) { say "\e[33;1m保存功能尚未完成，请Ctrl+C退出脚本\e[0m";&index_list }
default { die "【错误】输入正确的数字!!\n" }
}
}
sub input_num{
my $user_select='';
while($user_select !~ /^\s*\d+\s*$/){
print "\e[1m请输入对应数字：\e[0m";
$user_select=;
redo if $user_select !~ /^\s*\d+\s*$/;
}
$us=$user_select;
}
sub delete_book{
&book_list;
&input_num;
if($book_vip{$books[$us-1]}){
say "\e》未归还，无法删除!\e[0m";
return;
}else{
my @remove_book=splice @books,$us-1,1;
say "\e[31;1m !!! 已经删除图书 《@remove_book》 !!!\e[0m";
}
}
sub add_book{
print "\e[1m输入添加的图书名称：\e[0m";
chomp(my $new_book=);
push @books,$new_book;
say "\e[32;1m已经添加图书《${new_book}》!!!\e[0m";
}
sub search_book{
print "\e[1m输入图书名称：\e[0m";
chomp(my $s_book=);
my @s_books=grep /$s_book/, @books;
say "\n\e[1m查到书籍：";
if (@s_books){
for(@s_books){ say "\e[33;1m《$_》\e[0m" }
}else{ say "\e[33;1m没有查到/(ㄒoㄒ)/~~\e[0m\n" }
}
sub delete_vip{
&vip_list;
&input_num;
my $count=&vip_book("vip",$us);
if($count){
say "\e[31;1m以上图书未归还，无法删除！\e[0m";
return;
}else{
my @remove_vip=splice @vips,$us-1,1;
say "\e[31;1m !!! 已经删除会员【@remove_vip】 !!!\e[0m";
}
}
sub add_vip{
print "\e[1m输入添加的会员姓名：\e[0m";
chomp(my $new_vip=);
push @vips,$new_vip;
say "\e[32;1m已经添加会员【$new_vip】!!!\e[0m";
}
sub search_vip{
print "\e[1m输入会员姓名：\e[0m";
chomp(my $s_vip=);
my @s_vips=grep /$s_vip/,@vips;
say "\n\e[1m查到会员：";
if (@s_vips){
for(@s_vips){ say "\e[33;1m【$_】\e[0m" }
}else{ say "\e[33;1m没有查到/(ㄒoㄒ)/~~\e[0m\n" }
}
sub bo_book{
print "\e[1m输入会员编号：\e[0m";
chomp(my $vip_id=);
say "\e\e[0m";
print "\e[1m输入图书编号：\e[0m";
chomp(my $book_id=);
if($book_vip{$books[$book_id-1]}){
say "\e》已被$book_vip{$books[$book_id-1]}借出\e[0m";
}else{
say "\e》\e[0m";
$book_vip{$books[$book_id-1]}=$vips[$vip_id-1];
say "\e[33;1m借书成功!!!\e[0m";
}
}
sub re_book{
print "\e[1m输入图书编号：\e[0m";
chomp(my $book_id=);
if($book_vip{$books[$book_id-1]}){
my $bo_vip=$book_vip{$books[$book_id-1]};
delete $book_vip{$books[$book_id-1]};
say "\e》还书成功!!\e[0m";
}else{
say "\e》没有被借出\e[0m"
}
}
sub vip_book{
my ($in,$id);
my $count=0;
print "\e eq "book") && (! $_);
print "\e eq "vip" && (! $_);
chomp( $id=) if (! $_);
chomp( $id=$_) if ($_);
$in = ($books[$id-1]) if $_ eq "book";
$in = ($vips[$id-1]) if $_ eq "vip";
say "\e eq "book");
say "\e eq "book") && (! $book_vip{$in});
say "\e eq "vip");
while(my ($bobook,$bovip)=each %book_vip){
if($in eq $bobook && $_ eq "book"){ say "\e[33;1m《$in》由${bovip}借出\e[0m" }
if($in eq $bovip && $_ eq "vip"){ say "\e[33;1m【${in}】借出《$bobook》\e[0m";$count+=1 }
}
say "\e eq "vip") && ($count == 0);
$count;
}
&index_list
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