我有一些 Python 代碼可以遍歷大型 XML 檔案，以決議逗號分隔元素中的某些結果。
當代碼提取結果時，我也需要它來計算結果。我如何在我當前的代碼中撰寫這個回圈，它應該放在哪里？在我的.split()函式之后的回圈中？后？
我的代碼：
#Working python code
#Import libraries
import webbrowser
from lxml import etree
#Parses the file to get the tree paths
tree = etree.parse('g_d_anime.xml')
root = tree.getroot()
#Starts the XPATH using findall to verify the elements inside the tree are right
#Might not be necessary, but it's not a bad check to have
tree.findall('WorksXML/Work')
#Opens the output file for the results
h_file = open("xml_stats.html","w")
#Start writing the HTML lines
h_file.write("This block shows the producers and genres for this file.")
h_file.write('<br>')
#These loops first split the string, then select the specific value I want to pull out
for Producers in root.iter('Producers'):
p = Producers.text.split(',')
for producer in p:
#if you require only to display only 'Nitroplus', put '==' in place of '!='
if producer == 'Aniplex':
print(p) #This prints all the values in the strings
h_file.write('<li>' str(producer) '</li>') #This only writes the selected value
h_file.write('<br>')
for Genres in root.iter('Genres'):
g = Genres.text.split(',')
for genre in g:
#if you require only to display only 'Magic', put '==' in place of '!='
if genre == 'Magic':
print(g) #This prints all the values in the strings
h_file.write('<li>' str(genre) '</li>') #This only writes the selected value
h_file.write('<br>')
#Should the counting loop for the above go here? Or within the above loop?
h_file.close()
webbrowser.open_new_tab("xml_stats.html")
我不確定將計數回圈或 .sum() 或 Counter 行放在哪里，如果這更容易的話。結果應該顯示如下：
Aniplex: 7
Magic: 9
該檔案有超過 1500 條記錄，其結構如下：
<WorksXML>
<Work>
<Title>Fullmetal Alchemist: Brotherhood</Title>
<Type>TV</Type>
<Episodes>64</Episodes>
<Status>Finished Airing</Status>
<Start_airing>2009-4-5</Start_airing>
<End_airing>2010-7-4</End_airing>
<Starting_season>Spring</Starting_season>
<Broadcast_time>Sundays at 17:00 (JST)</Broadcast_time>
<Producers>Aniplex,Square Enix,Mainichi Broadcasting System,Studio Moriken</Producers>
<Licensors>Funimation,Aniplex of America</Licensors>
<Studios>Bones</Studios>
<Sources>Manga</Sources>
<Genres>Action,Military,Adventure,Comedy,Drama,Magic,Fantasy,Shounen</Genres>
<Duration>24 min. per ep.</Duration>
<Rating>R</Rating>
<Score>9.25</Score>
<Scored_by>719706</Scored_by>
<Members>1176368</Members>
<Favorites>105387</Favorites>
<Description>"In order for something to be obtained, something of equal value must be lost." Alchemy is bound by this Law of Equivalent Exchange—something the young brothers Edward and Alphonse Elric only realize after attempting human transmutation: the one forbidden act of alchemy. They pay a terrible price for their transgression—Edward loses his left leg, Alphonse his physical body. It is only by the desperate sacrifice of Edward's right arm that he is able to affix Alphonse's soul to a suit of armor. Devastated and alone, it is the hope that they would both eventually return to their original bodies that gives Edward the inspiration to obtain metal limbs called "automail" and become a state alchemist, the Fullmetal Alchemist. Three years of searching later, the brothers seek the Philosopher's Stone, a mythical relic that allows an alchemist to overcome the Law of Equivalent Exchange. Even with military allies Colonel Roy Mustang, Lieutenant Riza Hawkeye, and Lieutenant Colonel Maes Hughes on their side, the brothers find themselves caught up in a nationwide conspiracy that leads them not only to the true nature of the elusive Philosopher's Stone, but their country's murky history as well. In between finding a serial killer and racing against time, Edward and Alphonse must ask themselves if what they are doing will make them human again... or take away their humanity.
</Description>
</Work>
...
</WorksXML>
我知道回圈應該是這樣的：
for pr in producer:
pr = 0
if pr in producer:
producer[pr] = producer[pr] 1
else:
producer[pr] = 1
如果有人有更好的寫法，請分享。
uj5u.com熱心網友回復：
既然你要算Aniplex和Magic只，你應該把它放在if塊，然后回圈后其寫入檔案：
aniplex_count = 0
magic_count = 0
for Producers in root.iter("Producers"):
p = Producers.text.split(",")
for producer in p:
if producer == "Aniplex":
aniplex_count = 1
h_file.write(
"<li>" str(producer) "</li>"
)
h_file.write("<br>")
for Genres in root.iter("Genres"):
g = Genres.text.split(",")
for genre in g:
if genre == "Magic":
magic_count = 1
h_file.write(
"<li>" str(genre) "</li>"
)
h_file.write("<br>")
h_file.write(f"<h2>Aniplex: {aniplex_count}</h2>")
h_file.write(f"<h2>Magic: {magic_count}</h2>")
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