读写XML文件，根据不同的选择显示不同的XML节点信息，超级棒的例子。-read and write XML documents, according to the different options show different XML node information, the super rods example.

读写XML文件，根据不同的选择显示不同的XML节点信息，超级棒的例子。-read and write XML documents, according to the different options show different XML node information, the super rods example.