在Python中分割分号分隔的字符串
我想分割一个以分号分隔的字符串，以便我可以使用 Python 存储每个单独的字符串，以用作 XML 标记之间的文本。字符串值如下所示：
08-26-2009;08-27-2009;08-29-2009
它们只是存储为字符串值的日期
我想迭代每个值，存储到变量并在最后将变量调用到以下代码中：
for element in iter:
# Look for a tag called "Timeinfo"
if element.tag == "timeinfo":
tree = root.find(".//timeinfo")
# Clear all tags below "timeinfo"
tree.clear()
element.append(ET.Element("mdattim"))
child1 = ET.SubElement(tree, "sngdate")
child2 = ET.SubElement(child1, "caldate1")
child3 = ET.SubElement(child1, "caldate2")
child4 = ET.SubElement(child1, "caldate3")
child2.text = FIRST DATE VARIABLE GOES HERE
child2.text = SECOND DATE VARIABLE GOES HERE
child2.text = THIRD DATE VARIABLE GOES HERE
感谢任何帮助。
I want to split a semicolon separated string so that I can store each individual string to be used as text between XML tags using Python. The string value looks like this:
08-26-2009;08-27-2009;08-29-2009
They are just dates stored as string values
I want to iterate through each value, store to a variable and call the variable into the following code at the end:
for element in iter:
# Look for a tag called "Timeinfo"
if element.tag == "timeinfo":
tree = root.find(".//timeinfo")
# Clear all tags below "timeinfo"
tree.clear()
element.append(ET.Element("mdattim"))
child1 = ET.SubElement(tree, "sngdate")
child2 = ET.SubElement(child1, "caldate1")
child3 = ET.SubElement(child1, "caldate2")
child4 = ET.SubElement(child1, "caldate3")
child2.text = FIRST DATE VARIABLE GOES HERE
child2.text = SECOND DATE VARIABLE GOES HERE
child2.text = THIRD DATE VARIABLE GOES HERE
Any help is appreciated.
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split返回一个列表如下
Split returns a list as follows
当您有名为 child1、child2、child3 和 child4 的变量时，这是一种代码味道，暗示您应该使用列表或其他类型的集合。
原来的四个独立变量变成了一个包含四个元素的列表。现在您可以开始更新每个项目中的日期：
即使您事先不知道项目数量，您也可以对其进行调整以适用于任意数量的项目。
When you have variables named child1, child2, child3, and child4, that is a code smell that hints that you that you should be using a list or some other kind of collection.
What had been four separate variables becomes a list with four elements. Now you can go about updating the dates in each of the items:
You can adapt this to work for any number of items, even when you do not know the number of items in advance.