在许多项目中利用XML数据交换信息，省去了许多麻烦事，不用制定繁锁的数据格式，利用XML数据易于表达，也利于一线开发者跟踪调试。　-in many projects using XML data exchange information, eliminating a lot of trouble. without creating cumbersome data format, easy to use XML data expression, but also conducive to the development of the frontline were tracking debugging.