import xml.dom.minidom as xmldom
import os

xml_filepath = os.path.abspath("./originalData/train.xml")
# xml_filepath=os.path.abspath("V5-13.xml")
# 得到檔案物件
dom_obj = xmldom.parse(xml_filepath)

# 得到元素物件
element_obj = dom_obj.documentElement

# 獲得子標籤

sub_element_obj = element_obj.getElementsByTagName("weibo")

for i in range(len(sub_element_obj)):
    if sub_element_obj[i].getAttribute("emotion-type1") != "none":
        sub_element_obj1 = sub_element_obj[i].getElementsByTagName("sentence")
        for j in range(len(sub_element_obj1)):
            if sub_element_obj1[j].getAttribute("opinionated") == "Y":
                print(sub_element_obj1[j].getAttribute("emotion-1-type"), end='\t')
                print(sub_element_obj1[j].firstChild.data, end='')
                print()


 

所對應的XML格式

<weibo id="1" emotion-type="none">
    <sentence id="1" emotion_tag="N">三八節下午路過中牟縣~見到很多美女~手執鮮花[鮮花]~一打聽~這裡不僅美女如雲~而且是千古笫一帥哥潘安的故里。。。</sentence>
    <sentence id="2" emotion_tag="N">[給力][萌]</sentence>
  </weibo>
  <weibo id="2" emotion-type="sadness">
    <sentence id="1" emotion_tag="Y" emotion-1-type="like" emotion-2-type="none">源海都學憤怒鳥的聲音，好像好厲害…</sentence>
    <sentence id="2" emotion_tag="Y" emotion-1-type="sadness" emotion-2-type="none">還比憤怒鳥射擊的動作，我為啥一千啊現在…</sentence>
    <sentence id="3" emotion_tag="Y" emotion-1-type="sadness" emotion-2-type="anger">海赫還悄悄話了剛才，怎麼不是我四千二的時候啊哈哈，悲憤！</sentence>
  </weibo>