import xml.etree.ElementTree as ET def change_xml(xml_path): filelist = os.listdir(xml_path) print(filelist) # 打开xml文档 for xmlfile in filelist: doc = ET.parse(xml_path+xmlfile) root = doc.getroot() sub1 = root.find('filename') #找到filename标签, sub1.text = xmlfile #修改标签内容 doc.write(xml_path+xmlfile) #保存修改 change_xml('/Annotations1/') //xml文件路径