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一:maven:
<!--解析xml报文-->
<dependency>
<groupId>dom4j</groupId>
<artifactId>dom4j</artifactId>
<version>1.6.1</version>
</dependency>
二:工具类:
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.DocumentHelper;
import org.dom4j.Element;
/**
* @description 解析xml字符串
*/
public class Test {
public static void readStringXml(String xml) {
Document doc = null;
try {
doc = DocumentHelper.parseText(xml); // 将字符串转为XML
Element rootElt = doc.getRootElement(); // 获取根节点
System.out.println("根节点:" + rootElt.getName()); // 拿到根节点的名称
Iterator iter = rootElt.elementIterator("head"); // 获取根节点下的子节点head
// 遍历head节点
while (iter.hasNext()) {
Element recordEle = (Element) iter.next();
String title = recordEle.elementTextTrim("title"); // 拿到head节点下的子节点title值
System.out.println("title:" + title);
Iterator iters = recordEle.elementIterator("script"); // 获取子节点head下的子节点script
// 遍历Header节点下的Response节点
while (iters.hasNext()) {
Element itemEle = (Element) iters.next();
String username = itemEle.elementTextTrim("username"); // 拿到head下的子节点script下的字节点username的值
String password = itemEle.elementTextTrim("password");
System.out.println("username:" + username);
System.out.println("password:" + password);
}
}
Iterator iterss = rootElt.elementIterator("body"); ///获取根节点下的子节点body
// 遍历body节点
while (iterss.hasNext()) {
Element recordEless = (Element) iterss.next();
String result = recordEless.elementTextTrim("result"); // 拿到body节点下的子节点result值
System.out.println("result:" + result);
Iterator itersElIterator = recordEless.elementIterator("form"); // 获取子节点body下的子节点form
// 遍历Header节点下的Response节点
while (itersElIterator.hasNext()) {
Element itemEle = (Element) itersElIterator.next();
String banlce = itemEle.elementTextTrim("banlce"); // 拿到body下的子节点form下的字节点banlce的值
String subID = itemEle.elementTextTrim("subID");
System.out.println("banlce:" + banlce);
System.out.println("subID:" + subID);
}
}
} catch (DocumentException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
}
}
}
三:测试
public static void main(String[] args) {
String xmlString = "<html>"
+ "<head>"
+ " <title>dom4j解析一个例子</title>"
+ " <script>"
+ " <username>yangrong</username>"
+ " <password>123456</password>"
+ " </script>"
+ "</head>"
+ "<body>"
+ " <result>0</result>"
+ " <form>"
+ " <banlce>1000</banlce>"
+ " <subID>36242519880716</subID>"
+ " </form>"
+ " <form>"
+ " <banlce>200</banlce>"
+ " <subID>222222222222</subID>"
+ " </form>"
+ "</body>"
+ "</html>";
readStringXml(xmlString);
}
控制台:
ps:更换xml的报文需要更改工具类的节点名称
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