此函数的功能是实现XML的读取，参数有三个，第一个参数是传入参数的个数，第二个是参数数组，此数组传入的是希望在XML里查找的结点名称，第三个是XML的文件名-Function is to achieve this function to read XML, there are three parameters, the first parameter is the number of arguments passed, and the second one is the parameter ar

可以将著名的ImageNet数据集中的图片，根据其XML标注文件的标注，剪裁出图像中的目标，按标注类别进行分类。可以修改验证集图片的分类方式等。-Images can be famous ImageNet data set, according to its XML tagging file annotation, cut out the image of the target, according to the categories are classified.Can modify the

读取一个配置文件xml各个节点的内容，并将其打印到屏幕上。-Read a configuration file of XML content of the various nodes, and print it on the screen.

导入xml文档，并遍历xml文档，可以搜索xml文档中的节点。(Importing the XML document and traversing the XML document can search the nodes in the XML document.)