擅长:python、mysql、java
<p>我建议您对对象进行迭代,并记住<code>Lin</code>或{<cd2>}类型的最后一次出现(无论它们是什么。。。:):</p>
<pre><code>lastOccurrence = None
for obj in objects:
if obj.type not in ('PtP', 'Lin'):
continue
if obj.type == 'Lin':
if lastOccurrence is not None:
obj.value = lastOccurrence.value
else:
obj.value = "0"
lastOccurrence = obj
</code></pre>
<p>或者类似的事情。。。在</p>