利用jena的开放源代码，对自己写得XML-rdf文件进行解析，对RDF属性加上权重，来进行资源表达的一段代码。里面修改部分有注释。-The use of jena open source, written in their own XML-rdf file parsing, to RDF properties coupled with the weight of resources to carry out the expression of a piece of code. Inside a