我正在尝试创建一个跟踪玩家高分的功能。该功能应将播放器的最高得分保存在文本文件中。如果在文本文件中找到了玩家的名字,则应该查看新分数是否更高;如果更高,则将新分数替换旧分数。
我尝试使用以下代码进行操作:
f1 = open('scores.txt', 'r')
f2 = open('scores.txt', 'a')
if f1.read() == "": #if txt.file is empty, add the name and highscore directly
f2.write(self.name)
f2.write(";")
f2.write('%d' % self.highscore)
f2.write("\n")
else: #if not empty...
with open("scores.txt", "r") as fin:
with open("scores.txt", "a") as fout:
for line in fin:
fields = line.strip(";")
if fields[0].lower() == self.name.lower(): #look if the players name is in textfile.
if int(fields[1]) < self.highscore: #if new score is higher, replace the old with it.
fout.write(line.replace(str(fields[1]), str(self.highscore)))
break
else:
pass
else: #if name not found in file, create new line.
fout.write(self.name)
fout.write(";")
fout.write('%d' % self.highscore)
fout.write("\n")
f1.close()
f2.close()
预期结果是将旧分数替换为新分数,但是现在它正在创建新分数,有时甚至会在多行中写入相同的高分数。
答案 0 :(得分:0)
您使用附加选项打开了fout。请使用“ w +”之类的文字来更改它
else: #if not empty...
with open("scores.txt", "r") as fin:
with open("scores.txt", "w+") as fout:
for line in fin:
fields = line.strip(";")
if fields[0].lower() == self.name.lower(): #look if the players name is in textfile.
if int(fields[1]) < self.highscore: #if new score is higher, replace the old with it.
fout.write(line.replace(str(fields[1]), str(self.highscore)))
break
else:
pass
else: #if name not found in file, create new line.
fout.write(self.name)
fout.write(";")
fout.write('%d' % self.highscore)
fout.write("\n")
由于没有scores.txt的示例,所以我无法调试代码。我希望能成功。