Java xml和json互相转换方法

╰+哭是因爲堅強的太久メ 2024-04-06 10:22 171阅读 0赞

目录

  • 1 java xml转为json的方法
    • 1.1 fastjson和jdom2进行转化
    • 1.2 用的org.json包
  • 2 java json格式转xml格式
    • 2.1 使用 jdom 进行转换
    • 2.2 使用 dom4j 进行转换

1 java xml转为json的方法

1.1 fastjson和jdom2进行转化

  1. <?xml version="1.0" encoding="utf-8" ?>
  2. <auibinsurancecallback>
  3.     <policyinfo>
  4.         <transtype>TKTS</transtype>
  5.         <eticketno>xxx</eticketno>
  6.         <flightnumber>xxx</flightnumber>
  7.         <flightdate>2019-10-16</flightdate>
  8.         <operatetime>2019-10-16 17:20:00</operatetime>
  9.         <insureno>1910161720056066735</insureno>
  10.         <agreeno>102160199</agreeno>
  11.         <policyno>
  12.         </policyno>
  13.         <policyurl>
  14.             <!--[CDATA[]]-->
  15.         </policyurl>
  16.     </policyinfo>
  17.     <returninfo>
  18.         <serialnumber>2019103015284949545354
  19.         </serialnumber>
  20.         <retruncode>0</retruncode>
  21.         <errormessage>
  22.             <!--[CDATA[xxx]]-->
  23.         </errormessage>
  24.     </returninfo>
  25. </auibinsurancecallback>";
  27. public static JSONObject xml2JSON(byte[] xml) throws JDOMException, IOException {
  29.         JSONObject json = new JSONObject();
  30.         InputStream is = new ByteArrayInputStream(xml);
  31.         SAXBuilder sb = new SAXBuilder();
  32.         org.jdom2.Document doc = sb.build(is);
  33.         Element root = doc.getRootElement();
  34.         json.put(root.getName(), iterateElement(root));
  35.         return json;
  36.     }
  38.     private static JSONObject iterateElement(Element element) {
  40.         List node = element.getChildren();
  41.         Element et = null;
  42.         JSONObject obj = new JSONObject();
  43.         List list = null;
  44.         for (int i = 0; i < node.size(); i++) {
  46.             list = new LinkedList();
  47.             et = (Element) node.get(i);
  48.             if (et.getTextTrim().equals("")) {
  50.                 if (et.getChildren().size() == 0)
  51.                     continue;
  52.                 if (obj.containsKey(et.getName())) {
  54.                     list = (List) obj.get(et.getName());
  55.                 }
  56.                 list.add(iterateElement(et));
  57.                 obj.put(et.getName(), list);
  58.             } else {
  60.                 if (obj.containsKey(et.getName())) {
  62.                     list = (List) obj.get(et.getName());
  63.                 }
  64.                 list.add(et.getTextTrim());
  65.                 obj.put(et.getName(), list);
  66.             }
  67.         }
  68.         return obj;
  69.     }
  71.  @Test
  72.     public void xml1(){
  74.         String  xml = 上面贴的xml;
  76.         JSONObject json= null;
  77.         try {
  79.             json = xml2JSON(xml.getBytes());
  80.             System.out.println(json.toJSONString());
  81.         } catch (JDOMException e) {
  83.             e.printStackTrace();
  84.         } catch (IOException e) {
  86.             e.printStackTrace();
  87.         }
  89.     }

实现效果：

  1. {
  3.   "auibinsurancecallback": {
  5.     "returninfo": [
  6.       {
  8.         "retruncode": [
  9.           "0"
  10.         ],
  11.         "serialnumber": [
  12.           "2019103015284949545354"
  13.         ]
  14.       }
  15.     ],
  16.     "policyinfo": [
  17.       {
  19.         "operatetime": [
  20.           "2019-10-16 17:20:00"
  21.         ],
  22.         "transtype": [
  23.           "TKTS"
  24.         ],
  25.         "flightdate": [
  26.           "2019-10-16"
  27.         ],
  28.         "insureno": [
  29.           "1910161720056066735"
  30.         ],
  31.         "flightnumber": [
  32.           "xxx"
  33.         ],
  34.         "agreeno": [
  35.           "102160199"
  36.         ],
  37.         "eticketno": [
  38.           "xxxx"
  39.         ]
  40.       }
  41.     ]
  42.   }
  43. }

比较丑全是list的样子,也能用

1.2 用的org.json包

在用org.json包的时候，需要把spring-boot-starter-test中的，android-json排除，要不然会报错：

java.lang.NoSuchMethodError: org.json.JSONTokener.(Ljava/io/Reader;)V

java.lang.NoSuchMethodError: org.json.JSONObject.put(Ljava/lang/String;Ljava/util/Collection;)

  1. <dependency>
  2.             <groupId>org.springframework.boot</groupId>
  3.             <artifactId>spring-boot-starter-test</artifactId>
  4.             <scope>test</scope>
  5.             <exclusions>
  6.                 <exclusion>
  7.                     <groupId>com.vaadin.external.google</groupId>
  8.                     <artifactId>android-json</artifactId>
  9.                 </exclusion>
  10.             </exclusions>
  11.         </dependency>

实现方法简单：

  1. org.json.JSONObject xmlJSONObj = null;
  2.        try {
  4.            xmlJSONObj = XML.toJSONObject(xml);
  5.            log.debug("json:" + xmlJSONObj.toString() );
  6.        } catch (JSONException e) {
  8.            e.printStackTrace();
  9.        }

实现效果：

  1. {
  3.   "auibinsurancecallback": {
  5.     "returninfo": {
  7.       "errormessage": "",
  8.       "retruncode": 0,
  9.       "serialnumber": 2.0191030152849496e+21
  10.     },
  11.     "policyinfo": {
  13.       "policyurl": "",
  14.       "operatetime": "2019-10-16 17:20:00",
  15.       "transtype": "TKTS",
  16.       "flightdate": "2019-10-16",
  17.       "insureno": 1910161720056066800,
  18.       "flightnumber": "xxx",
  19.       "agreeno": 102160199,
  20.       "policyno": "",
  21.       "eticketno": xxx
  22.     }
  23.   }
  24. }

2 java json格式转xml格式

2.1 使用 jdom 进行转换

描述：

xml转json org.jdom
用 dom 提取节点 转成map
json 转 xml com.alibaba.fastjson.JSONObject

需要引入 jdom 1.x 版本：

  1. <!-- https://mvnrepository.com/artifact/org.jdom/jdom -->
  2.         <dependency>
  3.             <groupId>org.jdom</groupId>
  4.             <artifactId>jdom</artifactId>
  5.             <version>1.1.3</version>
  6.         </dependency>
  8. import java.io.File;
  9. import java.io.FileOutputStream;
  10. import java.io.IOException;
  11. import java.io.StringReader;
  12. import java.io.StringWriter;
  13. import java.util.ArrayList;
  14. import java.util.HashMap;
  15. import java.util.Iterator;
  16. import java.util.List;
  17. import java.util.Map;
  18. import java.util.Map.Entry;
  19. import java.util.Set;
  21. import org.dom4j.io.OutputFormat;
  22. import org.dom4j.io.SAXReader;
  23. import org.dom4j.io.XMLWriter;
  24. import org.jdom.Document;
  25. import org.jdom.Element;
  26. import org.jdom.JDOMException;
  27. import org.jdom.input.SAXBuilder;
  28. import org.xml.sax.InputSource;
  30. import com.alibaba.fastjson.JSON;
  31. import com.alibaba.fastjson.JSONArray;
  32. import com.alibaba.fastjson.JSONObject;
  34. public class JsonToXml {
  36.         public static void main(String[] args) throws Exception {
  38.             //请注意使用正常的xml
  39.             //xml->json
  40. //            String jsonStr = xmlToJson("D:\\NewFile.xml", null);
  41. //            System.out.println(jsonStr);
  43.             //json->xml
  44.           String xmlstr = jsonToXml("{\"b_content\":{\"sdata\":\"Ps/DPJnZZPN6QQJQodY3+hK6PWCF3/2oi3DJPnFEXgKDrXX5rHT7q/I0nQPAruuBbQRfErnenQNvPpbf/lXl690qtye0/ZEuDs0ByFdFAGffQalB+Ij3lLUMDPz=\",\"userobj\":{\"uid\":\"ma000\",\"realtype\":\"DC\",\"cn\":\"法人用户2\",\"tokenid\":\"\",\"usertype\":\"2\",\"link_person_name\":\"联系人2\",\"isreal\":\"true\",\"telephonenumber\":\"13*******21\",\"mail\":\"ceshi@123.com\",\"idcardtype\":\"10\",\"createtime\":\"20150618191221\",\"extproperties\":[\"address=广东省广州市天河区天河北路XXX号\",\"legal_code=440***********033\",\"ent_type=-1\",\"link_person_code=350************14\",\"origin=gdbs\",\"card_type_two_num=-1\",\"cert_ca=-1\",\"accout_type=2\",\"account_uid=2\",\"comm_code=-1\",\"unit_type=-1\",\"legal_id_type=10\",\"landline=-1\",\"tax_code=-1\",\"cert_notafter=-1\",\"card_type_one_num=-1\",\"local_user=-1\",\"legal_person=郑**\",\"link_person_type=10\",\"card_type_three=-1\",\"card_type_two=-1\",\"card_type_three_num=-1\",\"cert_data=-1\",\"area=guangzhou\",\"uversion=3.0\",\"cert_notbefore=-1\",\"card_type_one=-1\",\"user_typeext=2\"],\"idcardnumber\":\"11***************23\",\"useridcode\":\"38c97fa1ee2e43d4a664cffc4554cde4\",\"creditable_level_of_account_way\":\"L2@YSS@2088******653||L0@IDV@44088******75||L3@GW@44088******75\",\"creditable_level_of_account\":\"L3\"},\"pareobj\":{\"uid\":\"mayintao\",\"realtype\":\"DC\",\"cn\":\"单位用户2\",\"tokenid\":\"\",\"usertype\":\"2\",\"link_person_name\":\"联系人2\",\"isreal\":\"true\",\"telephonenumber\":\"13*******21\",\"mail\":\"ceshi@123.com\",\"idcardtype\":\"50\",\"createtime\":\"20150618191221\",\"extproperties\":[\"address=广东省广州市东山区\",\"legal_id_type=-1\",\"link_person_type=-1\",\"legal_code=-1\",\"origin=gdbs\",\"tax_code=-1\",\"legal_person=-1\",\"area=shenzhen\",\"link_person_code=-1\",\"user_typeext=2\",\"uversion=1.0\"],\"idcardnumber\":\"456787654\",\"useridcode\":\"75c91fagrr2e67d4a169cfmc8735ctrf\",\"creditable_level_of_account_way\":\"L2@YSS@2088******653||L0@IDV@44088******75||L3@GW@44088******75\",\"creditable_level_of_account\":\"L3\"},\"user_creditable_level\":{\"creditable_level_of_account_way\":\"L2@YSS@2088******653||L0@IDV@44088******75||L3@GW@44088******75\",\"creditable_level_of_account_way_list\":[{\"auth_time\":\"2018-02-28 16:45:26\",\"uniqueid\":\"***86f93fb61***\",\"user_name\":\"郭**\",\"auth_identification\":\"2088******653\",\"identity_level\":\"L2\",\"credential_no\":\"44088******75\",\"way_code\":\"YSS\"},{\"auth_time\":null,\"uniqueid\":\"***764486f93fb61212***\",\"user_name\":\"郭**\",\"auth_identification\":\"44088******75\",\"identity_level\":\"L0\",\"credential_no\":\"44088******75\",\"way_code\":\"IDV\"},{\"auth_time\":\"2018-02-13 17:12:31\",\"uniqueid\":\"*****764486f93fb612122*****\",\"user_name\":\"郭**\",\"auth_identification\":\"44088******75\",\"identity_level\":\"L3\",\"credential_no\":\"44088******75\",\"way_code\":\"GW\"}],\"creditable_level_of_account\":\"L3\"}},\"time_stamp\":\"20200821\",\"version \":\"v1\",\"sign\":\"rxf0MFT7eQqYgYKWtgzNBi6mhS2tbqkPgI \"}");
  45.           System.out.println(xmlstr);
  46.           createXMLFile(formatXML(xmlstr), "测试");
  47.         }
  49.         /**
  50.          * xml转json字符串 注意:路径和字符串二传一另外一个传null<br>
  51.          * 方 法 名：xmlToJson <br>
  52.          * @param xmlPath xml路径(和字符串二传一,两样都传优先使用路径)
  53.          * @param xmlStr xml字符串(和路径二传一,两样都传优先使用路径)
  54.          * @return String
  55.          * @throws IOException 
  56.          * @throws JDOMException 
  57.          */
  58.         @SuppressWarnings("unchecked")
  59.         public static String xmlToJson(String xmlPath,String xmlStr){
  61.             SAXBuilder sbder = new SAXBuilder();
  62.             Map<String, Object> map = new HashMap<String, Object>();
  63.             Document document;
  64.             try {
  66.                 if(xmlPath!=null){
  68.                     //路径
  69.                     document = sbder.build(new File(xmlPath));
  70.                 }else if(xmlStr!=null){
  72.                     //xml字符
  73.                     StringReader reader = new StringReader(xmlStr);
  74.                     InputSource ins = new InputSource(reader);
  75.                     document = sbder.build(ins);
  76.                 }else{
  78.                     return "{}";
  79.                 }
  80.                 //获取根节点
  81.                 Element el =  document.getRootElement();
  82.                 List<Element> eList =  el.getChildren();
  83.                 Map<String, Object> rootMap = new HashMap<String, Object>();
  84.                 //得到递归组装的map
  85.                 rootMap = xmlToMap(eList,rootMap);
  86.                 map.put(el.getName(), rootMap);
  87.                 //将map转换为json 返回
  88.                 return JSON.toJSONString(map);
  89.             } catch (Exception e) {
  91.                 return "{}";
  92.             }
  93.         }
  94.         /**
  95.          * json转xml<br>
  96.          * 方 法 名：jsonToXml <br>
  97.          * @param json
  98.          * @return String
  99.          */
  100.         public static String jsonToXml(String json){
  102.             try {
  104.                 StringBuffer buffer = new StringBuffer();
  105.                 buffer.append("<?xml version=\"1.0\" encoding=\"utf-8\"?>");
  106.                 buffer.append("<base>");
  107.                 JSONObject jObj = JSON.parseObject(json);
  108.                 jsonToXmlstr(jObj,buffer);
  109.                 buffer.append("</base>");
  110.                 return buffer.toString();
  111.             } catch (Exception e) {
  113.                 e.printStackTrace();
  114.                 return "";
  115.             }
  116.         }
  117.         /**
  118.          * json转str<br>
  119.          * 方 法 名：jsonToXmlstr <br>
  120.          * @param jObj
  121.          * @param buffer
  122.          * @return String
  123.          */
  124.         public static String jsonToXmlstr(JSONObject jObj,StringBuffer buffer ){
  126.             Set<Entry<String, Object>>  se = jObj.entrySet();
  127.             for( Iterator<Entry<String, Object>>   it = se.iterator();  it.hasNext(); )
  128.           {
  130.               Entry<String, Object> en = it.next();
  131.               if(en.getValue() != null && en.getValue().getClass().getName().equals("com.alibaba.fastjson.JSONObject")){
  133.                   buffer.append("<"+en.getKey()+">");
  134.                       JSONObject jo = jObj.getJSONObject(en.getKey());
  135.                       jsonToXmlstr(jo,buffer);
  136.                   buffer.append("</"+en.getKey()+">");
  137.               }else if(en.getValue() != null && en.getValue().getClass().getName().equals("com.alibaba.fastjson.JSONArray")){
  139.                   if (en.getKey().equals("extproperties")) {
  141.                       JSONArray ja = jObj.getJSONArray(en.getKey());
  142.                       Iterator<Object> it1 = ja.iterator();
  143.                       List<String> list=new ArrayList<String>();
  144.                       while (it1.hasNext()) {
  146.                           String ob = (String) it1.next();            
  147.                           System.out.println(ob);          
  148.                       }
  149.                 }else {
  151.                     JSONArray jarray = jObj.getJSONArray(en.getKey());
  152.                     for (int i = 0; i < jarray.size(); i++) {
  154.                         buffer.append("<"+en.getKey()+">");
  155.                             JSONObject jsonobject =  jarray.getJSONObject(i);
  156.                             jsonToXmlstr(jsonobject,buffer);
  157.                         buffer.append("</"+en.getKey()+">");    
  158.                     }
  159.                 }
  161.               }else if(en.getValue() != null && en.getValue().getClass().getName().equals("java.lang.String")){
  163.                   buffer.append("<"+en.getKey()+">"+en.getValue());
  164.                   buffer.append("</"+en.getKey()+">");
  165.               }else{
  167.                   buffer.append("<"+en.getKey()+">"+"");
  168.                   buffer.append("</"+en.getKey()+">");
  169.               }
  171.           }
  172.             return buffer.toString();
  173.         }
  176.         /**
  177.          * 节点转map<br>
  178.          * 方 法 名：xmlToMap <br>
  179.          * @param eList
  180.          * @param map
  181.          * @return Map<String,Object>
  182.          */
  183.         @SuppressWarnings("unchecked")
  184.         public static Map<String, Object> xmlToMap(List<Element> eList,Map<String, Object> map){
  186.             for (Element e : eList) {
  188.                 Map<String, Object> eMap = new HashMap<String, Object>();
  189.                 List<Element> elementList = e.getChildren();
  190.                 if(elementList!=null&&elementList.size()>0){
  192.                     eMap = xmlToMap(elementList,eMap);
  193.                     Object obj = map.get(e.getName());
  194.                     if(obj!=null){
  196.                         List<Object> olist = new ArrayList<Object>();
  197.                         if(obj.getClass().getName().equals("java.util.HashMap")){
  199.                             olist.add(obj);
  200.                             olist.add(eMap);
  202.                         }else if(obj.getClass().getName().equals("java.util.ArrayList")){
  204.                             olist = (List<Object>)obj;
  205.                             olist.add(eMap);
  206.                         }
  207.                         map.put(e.getName(), olist);
  208.                     }else{
  210.                         map.put(e.getName(), eMap);
  211.                     }
  212.                 }else{
  214.                     map.put(e.getName(), e.getValue());
  215.                 }
  216.             }
  217.             return map;
  218.         }
  221.         /**
  222.          * 将已经格式化的xml字符串写入xml文件
  223.          * @param xmlStr
  224.          * @return
  225.          */
  226.         public static boolean createXMLFile(String xmlStr,String xmlName){
  228.             boolean flag = false;
  229.             try {
  231.                 XMLWriter output = null;
  232.                 //OutputFormat   format   =   OutputFormat.createPrettyPrint(); 
  233.                 //format.setSuppressDeclaration(true);
  234.                // format.setEncoding("UTF-8");
  236.                 //如果上面设置的xml编码类型为GBK，则应当用FileWriter来构建xml文件，否则会出现中文连码问题
  237.                 /*outpt = new XMLWriter(
  238.                         new FileWriter( 
  239.                                 new File("D:/myeclipse/Workspaces/fusionChartsDemoTest/WebRoot/xml/"+xmlName+".xml")) ,
  240.                                     format);
  241.                   */
  243.                 //如果上面设置的xml编码类型为utf-8，则应当用FileOutputStream来构建xml文件，否则还是会出现问题
  244.                 output = new XMLWriter(
  245.                         new FileOutputStream( 
  246.                                 new File("D:/"+xmlName+".xml")));
  247.                 output.setEscapeText(false);
  248.                 output.write( xmlStr );
  249.                 output.close();
  250.                 return flag = true;
  252.             } catch (IOException e) {
  254.                 e.printStackTrace();
  255.                 return flag;
  256.             }
  258.         }
  260.         public static  String formatXML(String str) throws Exception {
  263.             SAXReader reader=new SAXReader();
  265.             //创建一个串的字符输入流
  266.             StringReader in=new StringReader(str);
  267.             org.dom4j.Document doc=reader.read(in);
  268.            // 创建输出格式
  269.             OutputFormat formater=OutputFormat.createPrettyPrint();
  270.             //去掉xml文件的版本信息
  271.             //formater.setSuppressDeclaration(true);
  272.             //设置xml的输出编码
  273.             formater.setEncoding("UTF-8");
  274.             //创建输出(目标)
  275.             StringWriter out=new StringWriter();
  276.            //创建输出流
  277.             XMLWriter writer=new XMLWriter(out,formater);
  278.              //输出格式化的串到目标中，执行后。格式化后的串保存在out中。
  279.             writer.write(doc);
  281.             writer.close();
  283.            // System.out.println(out.toString());
  285.            //返回我们格式化后的结果
  286.             return out.toString();     
  287.         }
  288. }

2.2 使用 dom4j 进行转换

描述：

使用 dom4j 和
com.google.gson.*

需要引入 dom4j 1.6.1 版本和 gson：

  1. <!-- https://mvnrepository.com/artifact/dom4j/dom4j -->
  2.         <dependency>
  3.             <groupId>dom4j</groupId>
  4.             <artifactId>dom4j</artifactId>
  5.             <version>1.6.1</version>
  6.         </dependency>
  7.         <dependency>
  8.             <groupId>com.google.code.gson</groupId>
  9.             <artifactId>gson</artifactId>
  10.             <version>2.2.4</version>
  11.         </dependency>
  13. import java.io.File;
  14. import java.io.FileOutputStream;
  15. import java.util.Map.Entry;
  16. import java.util.Set;
  18. import org.dom4j.*;
  19. import org.dom4j.io.OutputFormat;
  20. import org.dom4j.io.XMLWriter;
  22. import com.google.gson.*;
  24. public class JsonToXml2 {
  26.         private static final String STR_JSON = "{\"stakeapply\":{\"voltageLevel\":\"AC00062\",\"stakeList\":{\"stake\":[{\"stakeAssetNO\":45754745,\"otherStakeTypeRemark\":\"xxx\",\"stationId\":\"547547547547\"},{\"stakeAssetNO\":34325325322,\"otherStakeTypeRemark\":\"xxx\",\"stationId\":\"52354645462\"}]},\"otherStationTypeRemark\":\"xxx\",\"stationAddr\":\"哈哈\",\"custLists\":{\"custList\":{\"custId\":\"7547547547\",\"custPhone\":13666666666,\"contactMode\":1}},\"principalList\":{\"principal\":[{\"principalName\":121212,\"principalType\":1},{\"principalName\":12121233,\"principalType\":1}]}}}";
  28.         /**
  29.          * 将json字符串转换成xml
  30.          * 
  31.          * @param json
  32.          *            json字符串
  33.          * @param parentElement
  34.          *            xml根节点
  35.          * @throws Exception
  36.          */
  37.         public static Element jsonToXml(String json, Element parentElement) throws Exception {
  39.             JsonObject jsonObject = new JsonParser().parse(json).getAsJsonObject();
  40.             Element ee = toXml(jsonObject, parentElement, null);
  41.             return ee;
  42.         }
  44.         /**
  45.          * 将json字符串转换成xml
  46.          * 
  47.          * @param jsonElement
  48.          *            待解析json对象元素
  49.          * @param parentElement
  50.          *            上一层xml的dom对象
  51.          * @param name
  52.          *            父节点
  53.          */
  54.         public static Element toXml(JsonElement jsonElement, Element parentElement, String name) {
  56.             if (jsonElement instanceof JsonArray) {
  58.                 //是json数据，需继续解析
  59.                 JsonArray sonJsonArray = (JsonArray)jsonElement;
  60.                 for (int i = 0; i < sonJsonArray.size(); i++) {
  62.                     JsonElement arrayElement = sonJsonArray.get(i);
  63.                     toXml(arrayElement, parentElement, name);
  64.                 }
  65.             }else if (jsonElement instanceof JsonObject) {
  67.                 //说明是一个json对象字符串，需要继续解析
  68.                 JsonObject sonJsonObject = (JsonObject) jsonElement;
  69.                 Element currentElement = null;
  70.                 if (name != null) {
  72.                     currentElement = parentElement.addElement(name);
  73.                 }
  74.                 Set<Entry<String, JsonElement>> set = sonJsonObject.entrySet();
  75.                 for (Entry<String, JsonElement> s : set) {
  77.                     toXml(s.getValue(), currentElement != null ? currentElement : parentElement, s.getKey());
  78.                 }
  79.             } else {
  81.                 //说明是一个键值对的key,可以作为节点插入了
  82.                 addAttribute(parentElement, name, jsonElement.getAsString());
  83.             }
  84.             return parentElement;
  85.         }
  87.         /**
  88.          * 
  89.          * @param element   父节点
  90.          * @param name      子节点的名字
  91.          * @param value     子节点的值
  92.          */
  93.         public static void addAttribute(Element element, String name, String value) {
  95.             //增加子节点，并为子节点赋值
  96.             Element el = element.addElement(name);
  97.             el.addText(value);
  99.         }
  100.         public static void main(String[] args) throws Exception {
  103.             Document document = DocumentHelper.createDocument();
  104.             Element root =  document.addElement("stakeapply"); //默认根节点
  105.             Element el = jsonToXml(STR_JSON, root);
  106.             System.out.println(el.asXML());
  107.             try {
  109.                 //生成xml文件
  110.                 String fileName = "test.xml";
  111.                 OutputFormat format = OutputFormat.createPrettyPrint();
  112.                 format.setEncoding("UTF-8"); // 指定XML编码
  113.                 format.setExpandEmptyElements(true);//自动添加闭合标签
  114.                 document.setXMLEncoding("UTF-8");
  115.                 //指定文件路径，名字，格式
  116.                 XMLWriter writer = new XMLWriter(
  117.                         new FileOutputStream(new File("D:" + File.separator + fileName)), format);
  118.                 writer.write(document);
  119.                 writer.close();
  120.             } catch (Exception e) {
  122.                 e.printStackTrace();
  123.             }
  124.         }
  125.     /*
  126.     json串
  127.     {
  128.         "stakeapply": {
  129.             "voltageLevel": "AC00062", 
  130.             "stakeList": {
  131.                 "stake": [
  132.                     {
  133.                         "stakeAssetNO": 45754745, 
  134.                         "otherStakeTypeRemark": "xxx", 
  135.                         "stationId": "547547547547"
  136.                     }, 
  137.                     {
  138.                         "stakeAssetNO": 34325325322, 
  139.                         "otherStakeTypeRemark": "xxx", 
  140.                         "stationId": "52354645462"
  141.                     }
  142.                 ]
  143.             }, 
  144.             "otherStationTypeRemark": "xxx", 
  145.             "stationAddr": "哈哈", 
  146.             "custLists": {
  147.                 "custList": {
  148.                     "custId": "7547547547", 
  149.                     "custPhone": 13666666666, 
  150.                     "contactMode": 1
  151.                 }
  152.             }, 
  153.             "principalList": {
  154.                 "principal": [
  155.                     {
  156.                         "principalName": 121212, 
  157.                         "principalType": 1
  158.                     }, 
  159.                     {
  160.                         "principalName": 12121233, 
  161.                         "principalType": 1
  162.                     }
  163.                 ]
  164.             }
  165.         }
  166.     }
  167.     */
  169.     /*
  170.     转换后的xml
  171.     <?xml version="1.0" encoding="UTF-8"?>
  173.     <stakeapply>
  174.       <voltageLevel>AC00062</voltageLevel>
  175.       <stakeList>
  176.         <stake>
  177.           <stakeAssetNO>45754745</stakeAssetNO>
  178.           <otherStakeTypeRemark>xxx</otherStakeTypeRemark>
  179.           <stationId>547547547547</stationId>
  180.         </stake>
  181.         <stake>
  182.           <stakeAssetNO>34325325322</stakeAssetNO>
  183.           <otherStakeTypeRemark>xxx</otherStakeTypeRemark>
  184.           <stationId>52354645462</stationId>
  185.         </stake>
  186.       </stakeList>
  187.       <otherStationTypeRemark>xxx</otherStationTypeRemark>
  188.       <stationAddr>哈哈</stationAddr>
  189.       <custLists>
  190.         <custList>
  191.           <custId>7547547547</custId>
  192.           <custPhone>13666666666</custPhone>
  193.           <contactMode>1</contactMode>
  194.         </custList>
  195.       </custLists>
  196.       <principalList>
  197.         <principal>
  198.           <principalName>121212</principalName>
  199.           <principalType>1</principalType>
  200.         </principal>
  201.         <principal>
  202.           <principalName>12121233</principalName>
  203.           <principalType>1</principalType>
  204.         </principal>
  205.       </principalList>
  206.     </stakeapply>
  207.     */
  208. }

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