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我想從xml文件中提取文本內容。 XML文件是這樣的:AttributeError:'NodeList'對象沒有屬性'getElementsByTagName'
<?xml version="1.0" encoding="UTF-8"?>
<brca:tcga_bcr xsi:schemaLocation="http://tcga.nci/bcr/xml/clinical/brca/2.7 http://tcga-data.nci.nih.gov/docs/xsd/BCR/tcga.nci/bcr/xml/clinical/brca/2.7/TCGA_BCR.BRCA_Clinical.xsd" schemaVersion="2.7" xmlns:brca="http://tcga.nci/bcr/xml/clinical/brca/2.7" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:admin="http://tcga.nci/bcr/xml/administration/2.7" xmlns:clin_shared="http://tcga.nci/bcr/xml/clinical/shared/2.7" xmlns:shared="http://tcga.nci/bcr/xml/shared/2.7" xmlns:brca_shared="http://tcga.nci/bcr/xml/clinical/brca/shared/2.7" xmlns:shared_stage="http://tcga.nci/bcr/xml/clinical/shared/stage/2.7" xmlns:brca_nte="http://tcga.nci/bcr/xml/clinical/brca/shared/new_tumor_event/2.7/1.0" xmlns:nte="http://tcga.nci/bcr/xml/clinical/shared/new_tumor_event/2.7" xmlns:rx="http://tcga.nci/bcr/xml/clinical/pharmaceutical/2.7" xmlns:rad="http://tcga.nci/bcr/xml/clinical/radiation/2.7">
<admin:admin>
<admin:bcr xsd_ver="1.17">Nationwide Children's Hospital</admin:bcr>
<admin:file_uuid xsd_ver="2.6">6CEF6ECD-264E-4DF6-8419-9E4C564DA7B2</admin:file_uuid>
<admin:batch_number xsd_ver="1.17">85.84.0</admin:batch_number>
<admin:project_code xsd_ver="">TCGA</admin:project_code>
<admin:disease_code xsd_ver="2.6">BRCA</admin:disease_code>
<admin:day_of_dcc_upload xsd_ver="1.17">21</admin:day_of_dcc_upload>
<admin:month_of_dcc_upload xsd_ver="1.17">1</admin:month_of_dcc_upload>
<admin:year_of_dcc_upload xsd_ver="1.17">2016</admin:year_of_dcc_upload>
<admin:patient_withdrawal>
<admin:withdrawn>false</admin:withdrawn>
</admin:patient_withdrawal>
</admin:admin>
我得到了以下錯誤:
AttributeError: 'NodeList' object has no attribute 'getElementsByTagName'
我使用Python 2.7。這是我的代碼的一部分。我無法弄清楚什麼是錯的。有什麼建議麼?
from xml.dom import minidom
xmldoc = minidom.parse('A0SD.xml')
bcr = xmldoc.getElementsByTagNameNS('*','tcga_bcr')
patient_info = bcr.getElementsByTagName('admin')
它的工作原理。非常感謝! –