解析XML格式的指定数据

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import org.dom4j.Document;import org.dom4j.DocumentException;import org.dom4j.DocumentHelper;import org.dom4j.Element;public class AnalysisUtil {    /**     * 解析XML格式的指定数据     * @param xmlString xml文件的string格式     * @param condition 需要查询的节点名称, 多个节点名称之间用","逗号隔开.      *                   需要查询子节点甚至子孙节点value,可用父,子,孙的格式     *                   例如"header,application"     *                   如需获取节点属性值, 用.隔开     *                   例如"header,application.id"     * @return     * @throws DocumentException     */    public static String analysisXML(String xmlString, String condition)            throws DocumentException {        // 返回的字符串        String status = "";        String[] attributeList = null;        if (xmlString != null && !xmlString.equals("")) {            Document document = DocumentHelper.parseText(xmlString);            Element root = document.getRootElement();            Element reElement = root.element("Body");            String[] conditionlist = condition.split(",");            for (int i = 0; i < conditionlist.length; i++) {                if (reElement != null) {                    if(conditionlist.length - 1 == i){                          attributeList = conditionlist[i].toString().split("\\.");                        reElement = reElement.element(attributeList[0].toString());                     }else{                        reElement = reElement.element(conditionlist[i].toString());                    }                }            }            if (reElement != null) {                if(attributeList.length > 1){                    status = reElement.attributeValue(attributeList[1].toString());                }else if(attributeList.length == 1 ){                    status = reElement.getTextTrim();                }            }        }        return status;    }    public static void main (String[] egr) throws DocumentException{        //拼接地址        StringBuffer rspxmlBuff = new StringBuffer();        rspxmlBuff.append("<env:Envelope xmlns:env=\"http://www.w3.org/2003/05/soap-envelope\">");        rspxmlBuff.append("<env:Header/>");        rspxmlBuff.append("<env:Body>");        rspxmlBuff.append("<ns3:GetYYResponse xmlns:ns3=\"https://www.baidu.com/\">");        rspxmlBuff.append("<ProductOptionrrr id=\"39490\">");        rspxmlBuff.append("<ProductOptionuuu>");        rspxmlBuff.append("<Date>2017-05-24T00:00:00.000+10:00</Date>");        rspxmlBuff.append("<RetailPrice>76.00</RetailPrice>");        rspxmlBuff.append("<Price>76.00</Price>");        rspxmlBuff.append("<Quantity>200</Quantity>");        rspxmlBuff.append("<Status id=\"123\">AVAILABLE</Status>");        rspxmlBuff.append("<MetaData/>");        rspxmlBuff.append("</ProductOptionuuu>");        rspxmlBuff.append("</ProductOptionrrr>");        rspxmlBuff.append("</ns3:GetYYResponse>");        rspxmlBuff.append("</env:Body>");        rspxmlBuff.append("</env:Envelope>");        String Status = AnalysisUtil.analysisXML(rspxmlBuff.toString(), "GetYYResponse,ProductOptionrrr,ProductOptionuuu,Status");        String id = AnalysisUtil.analysisXML(rspxmlBuff.toString(), "GetYYResponse,ProductOptionrrr,ProductOptionuuu,Status.id");        System.out.println("Status = "+Status);        System.out.println("id = "+id);    }}
本例引入的是 dom4j-2.0.1.jar
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