用Java查询XML的最简单方法

使用Java 1.5及更高版本的XPath，无外部依赖项：

String xml = "<resp><status>good</status><msg>hi</msg></resp>";XPathFactory xpathFactory = XPathFactory.newInstance();XPath xpath = xpathFactory.newXPath();InputSource source = new InputSource(new StringReader(xml));String status = xpath.evaluate("/resp/status", source);System.out.println("satus=" + status);