import  xml.dom.minidom

def find_child(Par_nodes, mystr):
    for child_node in Par_nodes:
        if(len(child_node.childNodes) > 0):
            mystr = find_child(child_node.childNodes, mystr)
        elif(child_node.nodeValue != None):
            mystr += child_node.data.replace('\n', ''
 
)
    return mystr

if __name__ == '__main__':

    dom1 = xml.dom.minidom.parse('2.XML')  #開啟xml檔案
    root = dom1.documentElement         #得到文件元素物件
    app_nums = root.getElementsByTagName('base:DocNumber')  #按標籤名稱查詢，返回標籤結點陣列
    app_num = app_nums[2]
    print('專利申請號：'+app_num.firstChild.data)
    titles =
 
 root.getElementsByTagName('business:InventionTitle')
    title = titles[0]
    print('專利名稱：'+title.firstChild.data)
    Paragraphs = root.getElementsByTagName('base:Paragraphs')
    abstract = Paragraphs[0]
    print('專利摘要：'+abstract.firstChild.data)
    company_names = root.getElementsByTagName('base:Name'
 
)
    company_name = company_names[0]
    print('公司名稱：'+company_name.firstChild.data)
    mystr = ''
    for i in range(len(Paragraphs)):
        if (Paragraphs[i].firstChild.data == '發明內容\n\t'):
            i+=1
            while Paragraphs[i].firstChild.data != '附圖說明\n\t':
                mystr = find_child(Paragraphs[i].childNodes, mystr)
                i+=1

    print('發明內容：' + mystr)