在perl调试器中，我为对象$ this
提供了这些值DB<4> x $this
0 Parsers::SourceParser::OpenURL_0_1::doi::SAXHandler=HASH(0xdbcf1b0)
'Handler' => XML::SAX::Base::NoHandler=HASH(0xf7c19a98)
empty hash
'XML::SAX::Base::Features' => HASH(0xdbcf3d0)
'http://xml.org/sax/features/namespaces' => 1
'atitle' => 0
'author_sequence' => 'additional'
'chars' => 'S1555415514003390'
'ctx_object' => ContextObject::Generic=HASH(0xca853b0)
'@rfe_id' => ARRAY(0xdb3d6c8)
empty array
'@rfr_id' => ARRAY(0xdb38d10)
0 'primo.exlibrisgroup.com-sciversesciencedirect_elsevier'
'@rft.au' => ARRAY(0xdb390b0)
0 'Gladkowski, Cassandra A.'
'@rft.aufirst' => ARRAY(0xdf2a750)
0 ''
1 'Cassandra A.'
2 'Chelsey L.'
3 'Heather M.'
4 'Angela Tallie'
5 'Margaret'
'@rft.aulast' => ARRAY(0xdf381a0)
0 'Gladkowski'
1 'Gladkowski'
2 'Medley'
3 'Nelson'
4 'Price'
5 'Harvey'
'@rft_id' => ARRAY(0xdb47768)
0 'doi:10.1016/j.nurpra.2014.05.008'
1 'bibcode:'
2 'hdl:'
3 'lccn:'
4 'oclcnum:'
5 'pmid:'
6 'eric:((addata/eric'
'_stash' => HASH(0xdb1bd58)
'@rfr_id' => ARRAY(0xda23530)
0 'info:sid/primo.exlibrisgroup.com-sciversesciencedirect_elsevier'
'@rft_id' => ARRAY(0xdb41240)
0 'info:doi/10.1016/j.nurpra.2014.05.008'
1 'info:bibcode/'
2 'info:hdl/'
3 'info:lccn/'
4 'info:oclcnum/'
5 'info:pmid/'
6 'info:eric/((addata/eric'
'ctx_enc' => 'info:ofi/enc:UTF-8'
'ctx_id' => '10_1'
'ctx_tim' => '2016-01-21T10:34:31IST'
'ctx_ver' => 'Z39.88-2004'
'fetchid' => '/query/xref.cgi?sid=null:null&id=10.1016/j.nurpra.2014.05.008&pid=sfx-exl:crpw222&format=unixref'
'rfr.rfr' => 'primo.exlibrisgroup.com-sciversesciencedirect_elsevier'
'rft.atitle' => 'Opioids Versus Physical Therapy for Management of Chronic Back Pain'
'rft.bibcode' => ''
'rft.date' => '2014-09'
'rft.doi' => '10.1016/j.nurpra.2014.05.008'
'rft.epage' => 559
'rft.eric' => '((addata/eric'
'rft.genre' => 'article'
'rft.hdl' => ''
'rft.issn' => 15554155
'rft.issue' => 8
'rft.jtitle' => 'The Journal for Nurse Practitioners'
'rft.lccn' => ''
'rft.month' => 09
'rft.oclcnum' => ''
'rft.pages' => '552-559'
'rft.pmid' => ''
'rft.spage' => 552
'rft.title' => 'The Journal for Nurse Practitioners'
'rft.volume' => 10
'rft.year' => 2014
'rft_dat' => '<sciversesciencedirect_elsevier>S1555-4155(14)00339-0</sciversesciencedirect_elsevier>,language=eng,view=TWU-A'
'rft_val_fmt' => 'info:ofi/fmt:kev:mtx:'
'sfx.ignore_char_set' => 1
'sfx.openurl' => 'http://localhost/http://il-kblwe02:3410/dev1?ctx_enc=info%3Aofi%2Fenc%3AUTF-8&ctx_id=10_1&ctx_tim=2016-01-21T10%3A34%3A31IST&ctx_ver=Z39.88-2004&url_ctx_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Actx&url_ver=Z39.88-2004&rfr_id=info%3Asid%2Fprimo.exlibrisgroup.com-sciversesciencedirect_elsevier&req_id=&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3A&rft.genre=article&rft.atitle=Opioids%20Versus%20Physical%20Therapy%20for%20Management%20of%20Chronic%20Back%20Pain&rft.jtitle=The%20Journal%20for%20Nurse%20Practitioners&rft_dat=%3Csciversesciencedirect_elsevier%3ES1555-4155%2814%2900339-0%3C%2Fsciversesciencedirect_elsevier%3E%2Clanguage%3Deng%2Cview%3DTWU-A&rft.btitle=&rft.aulast=Gladkowski&rft.auinit=&rft.auinit1=&rft.auinitm=&rft.ausuffix=&rft.au=Gladkowski%2C%20Cassandra%20A.&rft.aucorp=&rft.date=2014&rft.volume=10&rft.issue=8&rft.part=&rft.quarter=&rft.ssn=&rft.spage=552&rft.epage=559&rft.pages=552-559&rft.artnum=&rft.issn=1555-4155&rft.eissn=&rft.isbn=&rft.sici=&rft.coden=&rft_id=info%3Adoi%2F10.1016%2Fj.nurpra.2014.05.008&rft_id=info%3Abibcode%2F&rft_id=info%3Ahdl%2F&rft_id=info%3Alccn%2F&rft_id=info%3Aoclcnum%2F&rft_id=info%3Apmid%2F&rft_id=info%3Aeric%2F%28%28addata%2Feric&rft.object_id=&rft.eisbn=&rft.edition=&rft.pub=&rft.place=&rft.series=&rft.stitle=&rft.bici='
'sfx.sid' => 'doi'
'sfx.sourcename' => 'DEFAULT'
'url_ctx_fmt' => 'info:ofi/fmt:kev:mtx:ctx'
'url_ver' => 'Z39.88-2004'
'eisbns' => 0
'media_type' => 'print'
'pickup' => 'doi_records/doi_record/crossref/journal/journal_article/publisher_item/identifier/Pii'
'stack' => ARRAY(0xdb478e8)
0 'doi_records'
1 'doi_record'
2 'crossref'
3 'journal'
4 'journal_article'
5 'publisher_item'
6 'identifier'
'title_value' => ''
或采用数据转储器格式
$VAR1 = bless( {
'XML::SAX::Base::Features' => {
'http://xml.org/sax/features/namespaces' => 1
},
'ctx_object' => bless( {
'rft.issn' => '15554155',
'ctx_tim' => '2016-01-21T10:34:31IST',
'_stash' => {
'@rft_id' => [
'info:doi/10.1016/j.nurpra.2014.05.008',
'info:bibcode/',
'info:hdl/',
'info:lccn/',
'info:oclcnum/',
'info:pmid/',
'info:eric/((addata/eric'
],
'@rfr_id' => [
'info:sid/primo.exlibrisgroup.com-sciversesciencedirect_elsevier'
]
},
'ctx_ver' => 'Z39.88-2004',
'rft.year' => '2014',
'rft.pages' => '552-559',
'rft.eric' => '((addata/eric',
'@rfr_id' => [
'primo.exlibrisgroup.com-sciversesciencedirect_elsevier'
],
'rft.lccn' => '',
'rft.oclcnum' => '',
'@rft_id' => [
'doi:10.1016/j.nurpra.2014.05.008',
'bibcode:',
'hdl:',
'lccn:',
'oclcnum:',
'pmid:',
'eric:((addata/eric'
],
'rft.atitle' => 'Opioids Versus Physical Therapy for Management of Chronic Back Pain',
'sfx.ignore_char_set' => 1,
'ctx_enc' => 'info:ofi/enc:UTF-8',
'ctx_id' => '10_1',
'url_ver' => 'Z39.88-2004',
'rft.volume' => '10',
'rft.hdl' => '',
'rft.month' => '09',
'rft.genre' => 'article',
'rfr.rfr' => 'primo.exlibrisgroup.com-sciversesciencedirect_elsevier',
'rft.issue' => '8',
'sfx.openurl' => 'http://il-kblwe02:3410/dev1?ctx_enc=info%3Aofi%2Fenc%3AUTF-8&ctx_id=10_1&ctx_tim=2016-01-21T10%3A34%3A31IST&ctx_ver=Z39.88-2004&url_ctx_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Actx&url_ver=Z39.88-2004&rfr_id=info%3Asid%2Fprimo.exlibrisgroup.com-sciversesciencedirect_elsevier&req_id=&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3A&rft.genre=article&rft.atitle=Opioids%20Versus%20Physical%20Therapy%20for%20Management%20of%20Chronic%20Back%20Pain&rft.jtitle=The%20Journal%20for%20Nurse%20Practitioners&rft_dat=%3Csciversesciencedirect_elsevier%3ES1555-4155%2814%2900339-0%3C%2Fsciversesciencedirect_elsevier%3E%2Clanguage%3Deng%2Cview%3DTWU-A&rft.btitle=&rft.aulast=Gladkowski&rft.auinit=&rft.auinit1=&rft.auinitm=&rft.ausuffix=&rft.au=Gladkowski%2C%20Cassandra%20A.&rft.aucorp=&rft.date=2014&rft.volume=10&rft.issue=8&rft.part=&rft.quarter=&rft.ssn=&rft.spage=552&rft.epage=559&rft.pages=552-559&rft.artnum=&rft.issn=1555-4155&rft.eissn=&rft.isbn=&rft.sici=&rft.coden=&rft_id=info%3Adoi%2F10.1016%2Fj.nurpra.2014.05.008&rft_id=info%3Abibcode%2F&rft_id=info%3Ahdl%2F&rft_id=info%3Alccn%2F&rft_id=info%3Aoclcnum%2F&rft_id=info%3Apmid%2F&rft_id=info%3Aeric%2F%28%28addata%2Feric&rft.object_id=&rft.eisbn=&rft.edition=&rft.pub=&rft.place=&rft.series=&rft.stitle=&rft.bici=',
'rft.doi' => '10.1016/j.nurpra.2014.05.008',
'rft.title' => 'The Journal for Nurse Practitioners',
'url_ctx_fmt' => 'info:ofi/fmt:kev:mtx:ctx',
'@rfe_id' => [],
'@rft.aufirst' => [
'',
'Cassandra A.',
'Chelsey L.',
'Heather M.',
'Angela Tallie',
'Margaret'
],
'@rft.aulast' => [
'Gladkowski',
'Gladkowski',
'Medley',
'Nelson',
'Price',
'Harvey'
],
'rft.jtitle' => 'The Journal for Nurse Practitioners',
'sfx.sourcename' => 'DEFAULT',
'rft_val_fmt' => 'info:ofi/fmt:kev:mtx:',
'sfx.sid' => 'doi',
'rft.date' => '2014-09',
'@rft.au' => [
'Gladkowski, Cassandra A.'
],
'rft.epage' => '559',
'fetchid' => '/query/xref.cgi?sid=null:null&id=10.1016/j.nurpra.2014.05.008&pid=sfx-exl:crpw222&format=unixref',
'rft.spage' => '552',
'rft.pmid' => '',
'rft.bibcode' => '',
'rft_dat' => '<sciversesciencedirect_elsevier>S1555-4155(14)00339-0</sciversesciencedirect_elsevier>,language=eng,view=TWU-A'
}, 'ContextObject::Generic' ),
'author_sequence' => 'additional',
'atitle' => 0,
'stack' => [
'doi_records',
'doi_record',
'crossref',
'journal',
'journal_article',
'publisher_item',
'identifier'
],
'eisbns' => 0,
'pickup' => 'doi_records/doi_record/crossref/journal/journal_article/publisher_item/identifier/Pii',
'title_value' => '',
'Handler' => bless( {}, 'XML::SAX::Base::NoHandler' ),
'chars' => 'S1555415514003390',
'media_type' => 'print'
当我尝试通过编写
为上下文对象设置新值时$this->{ctx_object}->set('pii',$this->{chars});
它似乎没有设置它。
我猜这个集合只能为已经存在的项目（例如rft.issn）设置一个值。如何添加一个名为pii的项目以便我可以设置值？