假设我有以下graphml文件，我想使用元素树来更改edgelabel元素文本，但是我是XML的新手，我不知道什么是更改edgelabel元素文本的正确方法，即我想更改基于我拥有的数组的hara，flash，数据，力，接触，点燃>>该脚本将获取标签名称>> hara并将其替换为数组中的另一个单词。
读取或保存文件都没有问题。我在获取edgelabel文本并可能使用元素树对其进行编辑时遇到问题
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