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python实现xml转json文件的示例代码

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使用了Python的 xml.etree.ElementTree 库 。

xml.etree.ElementTree 库简介

xml.etree.ElementTree模块实现了一个简单而高效的API用于解析和创建XML数据。xml.etree.ElementTree模块对于恶意构造的数据是不安全的。如果您需要解析不受信任或未经验证的数据,请参阅XML漏洞。 参考文献:https://docs.python.org/3.6/library/xml.etree.elementtree.html 。

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from xml.etree import ElementTree
import json
 
LISTTYPE = 1
DICTTYPE = 0
 
def getDictResults(res_dicts, iters):
   result_dicts = {}
   for iter in iters.getchildren():
     iterxml( iter , result_dicts)
 
   if result_dicts:
     res_dicts[iters.tag].update(result_dicts)
 
def getListResults(res_dicts, iters):
   result_lists = []
   for iter in iters.getchildren():
     result_dicts = {}
     iterxml( iter , result_dicts)
     result_lists.append(result_dicts.copy())
     del (result_dicts)
  
   if result_lists:
     if len (res_dicts[iters.tag].items()) = = 0 :
       res_dicts[iters.tag] = result_lists.copy()
     else :
       for resobj in result_lists:
         resobjkey = list (resobj.keys())[ 0 ]
         if res_dicts[iters.tag].get(resobjkey) = = None :
           res_dicts[iters.tag].update(resobj)
         else :
           if type (res_dicts[iters.tag][resobjkey]) = = list :
             res_dicts[iters.tag][resobjkey].append(resobj[resobjkey].copy())
           else :
             old_value = res_dicts[iters.tag][resobjkey]
             res_dicts[iters.tag][resobjkey] = []
             res_dicts[iters.tag][resobjkey].append(old_value)
             res_dicts[iters.tag][resobjkey].append(resobj[resobjkey].copy())
 
     del (result_lists)
 
def checkxmlchildrentype(iters):
   taglist = []
   for iter in iters.getchildren():
     taglist.append( iter .tag)
 
   if len ( set (taglist)) = = len (taglist):
     return DICTTYPE
   else :
     return LISTTYPE
 
def getResults(res_dicts, iters):
   if checkxmlchildrentype(iters):
     return getListResults(res_dicts, iters)
   else :
     return getDictResults(res_dicts, iters)
 
#@res_dicts  {}
def iterxml( iter , res_dicts):
   res_dicts[ iter .tag] = {}
 
   if iter .attrib:
     for k,v in dict ( iter .attrib).items():
       res_dicts[ iter .tag].update({k : v})
  
   if iter .text is not None and iter .text.strip() ! = "":
     res_dicts[ iter .tag].update({ "__XmlTagText__" : iter .text.strip()})
  
   if iter .getchildren():
     getResults(res_dicts, iter )
 
def parserxmltojson(file_path):
   try :
     tree = ElementTree.parse(file_path)
   except Exception as e:
     #multi-byte encodings are not supported  把字符集改成utf-8就可以
     #encoding specified in XML declaration is incorrect  xml encoding标识和文件的字符集不同
     #syntax error  语法错误,乱码等
     #not well-formed (invalid token)  编辑器点击后字符集被修改成ASCII等,或者文件本身字符集和xml encoding不相同
     print ( "Parser {} Error, Errmsg: {}" . format (file_path, e))
     return ""
 
   if tree is None :
     print ( "{} is None." . format (file_path))
     return ""
 
   root = tree.getroot()
 
   report = {}
   iterxml(root, report)
   #return getDictResults(root)
 
   return report
 
if __name__ = = "__main__" :
   jsonret = parserxmltojson( "test.xml" )
   with open ( "test.json" , "w" , encoding = "utf-8" ) as fd:
     fd.write(json.dumps(jsonret, ensure_ascii = False , indent = 4 ))
   print (json.dumps(jsonret, ensure_ascii = False , indent = 4 ))

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原文链接:https://www.cnblogs.com/frisk/p/12634427.html 。

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