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# ex:ts=8 |
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package WWW::Scraper::ISBN::TWBooks_Driver; |
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1012
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use strict; |
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39
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use warnings; |
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36
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7
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8
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1
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use vars qw($VERSION @ISA); |
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245
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9
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$VERSION = '0.02'; |
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#-------------------------------------------------------------------------- |
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13
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=head1 NAME |
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15
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WWW::Scraper::ISBN::TWBooks_Driver - Search driver for TWBooks' online catalog. |
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=head1 SYNOPSIS |
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See parent class documentation (L) |
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=head1 DESCRIPTION |
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Searches for book information from the TWBooks' online catalog. |
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=cut |
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#-------------------------------------------------------------------------- |
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########################################################################### |
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#Library Modules # |
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########################################################################### |
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1
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7
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use WWW::Scraper::ISBN::Driver; |
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34
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1707
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use WWW::Mechanize; |
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336345
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1
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35
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1
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1018
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use Template::Extract; |
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691
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1
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28
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36
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1
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1
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705
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use Text::Iconv; |
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10626
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1
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446
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########################################################################### |
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#Constants # |
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########################################################################### |
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42
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1
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1
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use constant QUERY => 'http://search.books.com.tw/exep/prod_search.php?cat=001&key=%s'; |
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3
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1
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1240
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43
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#-------------------------------------------------------------------------- |
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########################################################################### |
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#Inheritence # |
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########################################################################### |
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50
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@ISA = qw(WWW::Scraper::ISBN::Driver); |
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52
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########################################################################### |
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53
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#Interface Functions # |
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########################################################################### |
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56
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=head1 METHODS |
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57
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58
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=over 4 |
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59
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60
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=item C |
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61
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62
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Creates a query string, then passes the appropriate form fields to the Books |
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63
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server. |
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64
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65
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The returned page should be the correct catalog page for that ISBN. If not the |
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66
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function returns zero and allows the next driver in the chain to have a go. If |
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67
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a valid page is returned, the following fields are returned via the book hash: |
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68
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69
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isbn |
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70
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title |
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71
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author |
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72
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pages |
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73
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book_link |
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74
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image_link |
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75
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pubdate |
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76
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publisher |
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77
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price_list |
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78
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price_sell |
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79
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80
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The book_link and image_link refer back to the Books website. |
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81
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82
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=back |
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83
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84
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=cut |
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85
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86
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sub search { |
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87
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1
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1
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1
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1499
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my $self = shift; |
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88
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1
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3
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my $isbn = shift; |
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89
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1
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10
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$self->found(0); |
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90
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1
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23
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$self->book(undef); |
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91
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92
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1
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14
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my $url = sprintf(QUERY, $isbn); |
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93
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1
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9
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my $mechanize = WWW::Mechanize->new(); |
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94
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1
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39947
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$mechanize->get( $url ); |
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95
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1
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50
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1380824
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return undef unless($mechanize->success()); |
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96
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97
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# The Search Results page |
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98
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1
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34
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my $template = <
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99
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| [% ... %] |
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100
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image=[% image_link %]&width=[% ... %] |
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101
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102
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103
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104
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[% title %][% ... %] |
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105
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106
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107
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[% pubdate %][% ... %] |
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108
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[% price_list %][% ... %] |
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109
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[% price_sell %][% ... %] |
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110
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/ [% pages %] / [% ... %] |
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111
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ISBN[% ... %][% isbn %] |
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112
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END |
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113
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114
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1
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13
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my $extract = Template::Extract->new; |
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115
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1
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102753
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my $data = $extract->extract($template, $mechanize->content()); |
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116
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117
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1
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50
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16872
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return $self->handler("Could not extract data from TWBooks result page.") |
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118
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unless(defined $data); |
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119
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120
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0
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$data->{image_link} =~ m/(\d+).jpg/; |
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121
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0
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my $tmp = $1; |
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122
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123
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0
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$data->{pages} =~ s/(\d+).*/$1/; |
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124
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125
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0
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my $conv = Text::Iconv->new("utf-8", "big5"); |
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126
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127
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0
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my $bk = { |
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128
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'isbn' => $data->{isbn}, |
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129
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'title' => $conv->convert($data->{title}), |
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130
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'author' => $conv->convert($data->{author}), |
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'pages' => $data->{pages}, |
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132
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'book_link' => "http://www.books.com.tw/exep/prod/booksfile.php?item=$tmp", |
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133
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'image_link' => $data->{image_link}, |
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134
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'pubdate' => $conv->convert($data->{pubdate}), |
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135
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'publisher' => $conv->convert($data->{publisher}), |
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136
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'price_list' => $data->{price_list}, |
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137
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'price_sell' => $data->{price_sell}, |
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138
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}; |
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139
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140
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0
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$self->book($bk); |
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0
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$self->found(1); |
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142
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0
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return $self->book; |
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143
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} |
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144
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145
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1; |
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146
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__END__ |
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