参照:
http://happyqing.iteye.com/blog/2317570
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import net.sf.json.JSON;
import net.sf.json.JSONObject;
import org.apache.commons.io.FileUtils;
import org.apache.commons.lang.StringUtils;
import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.DocumentHelper;
import org.dom4j.Element;
import org.dom4j.Namespace;
import org.dom4j.QName;
@SuppressWarnings({ "rawtypes", "unchecked" })
public class XmlUtil2 {
public static void main(String[] args) throws DocumentException, IOException {
String textFromFile = FileUtils.readFileToString(new File("D:/_zyy_Document/test/sample.xml"),"UTF-8");
Document doc = DocumentHelper.parseText(textFromFile);
Map map = (Map) xmlToMapWithAttr(doc.getRootElement());
// Map map = xmlToMap(textFromFile, false);
// long begin = System.currentTimeMillis();
// for(int i=0; i<1000; i++){
// map = (Map) xml2mapWithAttr(doc.getRootElement());
// }
// System.out.println("耗时:"+(System.currentTimeMillis()-begin));
JSON json = JSONObject.fromObject(map);
System.out.println(json.toString(1)); // 格式化输出
// System.out.println(map); // 格式化输出
}
/**
* xml转map 不带属性
* @param xmlStr
* @param needRootKey 是否需要在返回的map里加根节点键
* @return
* @throws DocumentException
*/
public static Map xmlToMap(String xmlStr, boolean needRootKey) throws DocumentException {
Document doc = DocumentHelper.parseText(xmlStr);
Element root = doc.getRootElement();
Map map = (Map) xmlToMap(root);
if(root.elements().size()==0 && root.attributes().size()==0){
return map;
}
if(needRootKey){
//在返回的map里加根节点键(如果需要)
Map rootMap = new HashMap();
rootMap.put(root.getName(), map);
return rootMap;
}
return map;
}
/**
* xml转map 带属性
* @param xmlStr
* @param needRootKey 是否需要在返回的map里加根节点键
* @return
* @throws DocumentException
*/
public static Map xmlToMapWithAttr(String xmlStr, boolean needRootKey) throws DocumentException {
Document doc = DocumentHelper.parseText(xmlStr);
Element root = doc.getRootElement();
Map map = (Map) xmlToMapWithAttr(root);
if(root.elements().size()==0 && root.attributes().size()==0){
return map; //根节点只有一个文本内容
}
if(needRootKey){
//在返回的map里加根节点键(如果需要)
Map rootMap = new HashMap();
rootMap.put(root.getName(), map);
return rootMap;
}
return map;
}
/**
* xml转map 不带属性
* @param element
* @return
*/
private static Object xmlToMap(Element element) {
// System.out.println(element.getName());
Map map = new LinkedHashMap();
List elements = element.elements();
if (elements.size() == 0) {
map.put(element.getName(), element.getText());
if (!element.isRootElement()) {
return element.getText();
}
} else if (elements.size() == 1) {
map.put(elements.get(0).getName(), xmlToMap(elements.get(0)));
} else if (elements.size() > 1) {
// 多个子节点的话就得考虑list的情况了,比如多个子节点有节点名称相同的
// 构造一个map用来去重
Map tempMap = new LinkedHashMap();
for (Element ele : elements) {
tempMap.put(ele.getName(), ele);
}
Set keySet = tempMap.keySet();
for (String string : keySet) {
Namespace namespace = tempMap.get(string).getNamespace();
List elements2 = element.elements(new QName(string,
namespace));
// 如果同名的数目大于1则表示要构建list
if (elements2.size() > 1) {
List
<root>
<PA_HEADER>PA_HEADER>
<PA_BODY>
<transationNo>123456789transationNo>
<partnerCode>TESTpartnerCode>
<applicantInfo>
<name>ashiname>
<certifacateType>01certifacateType>
<certificateNo>342425199311205111certificateNo>
applicantInfo>
<insurentList nodeType="List">
<name>zyy1name>
<certifacateType>01certifacateType>
<certificateNo>342425199311205112certificateNo>
insurentList>
<planInfo nodeType="List">
<planName>plan1planName>
<planCode>AplanCode>
<dutyInfo>
<dutyName>duty1dutyName>
<dutyCode>a1dutyCode>
dutyInfo>
<dutyInfo>
<dutyName>duty2dutyName>
<dutyCode>a2dutyCode>
dutyInfo>
<map>
<hello>hihello>
map>
planInfo>
<planInfo nodeType="List">
<planName>plan2planName>
<planCode>BplanCode>
<dutyInfo nodeType="List">
<dutyName>duty3dutyName>
<dutyCode>b1dutyCode>
dutyInfo>
<dutyInfo nodeType="List">
<dutyName>duty4dutyName>
<dutyCode>b2dutyCode>
dutyInfo>
planInfo>
<beneficiaryList nodeType="List">
<name>zyy4name>
<certifacateType>01certifacateType>
<certificateNo>342425199311205115certificateNo>
beneficiaryList>
<remark nodeType="List">1234remark>
<remark nodeType="List">5678remark>
PA_BODY>
root>
{
"PA_HEADER": "",
"PA_BODY": {
"transationNo": "123456789",
"partnerCode": "TEST",
"applicantInfo": {
"name": "ashi",
"certifacateType": "01",
"certificateNo": "342425199311205111"
},
"insurentList": [ {
"name": "zyy1",
"certifacateType": "01",
"certificateNo": "342425199311205112"
}],
"planInfo": [
{
"planName": "plan1",
"planCode": "A",
"dutyInfo": [
{
"dutyName": "duty1",
"dutyCode": "a1"
},
{
"dutyName": "duty2",
"dutyCode": "a2"
}
],
"map": {"hello": "hi"}
},
{
"planName": "plan2",
"planCode": "B",
"dutyInfo": [
{
"dutyName": "duty3",
"dutyCode": "b1"
},
{
"dutyName": "duty4",
"dutyCode": "b2"
}
]
}
],
"beneficiaryList": [ {
"name": "zyy4",
"certifacateType": "01",
"certificateNo": "342425199311205115"
}],
"remark": [
"1234",
"5678"
]
}
}