本文介绍了java将XML文档转换成json格式数据的示例，分享给大家，具体如下：
功能
将xml文档转换成json格式数据
说明
依赖包：
1. jdom-2.0.2.jar : xml解析工具包;
2. fastjson-1.1.36.jar : 阿里巴巴研发的高性能json工具包
程序源代码
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package com.xxx.open.pay.util;
import com.alibaba.fastjson.JSONObject;
import org.jdom2.Element;
import org.jdom2.JDOMException;
import org.jdom2.input.SAXBuilder;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.LinkedList;
import java.util.List;
/**
* Created by 1250052380@qq.com on 2015/5/19.
*/
public class XmlUtil {
public static JSONObject xml2JSON(byte[] xml) throws JDOMException, IOException {
JSONObject json = new JSONObject();
InputStream is = new ByteArrayInputStream(xml);
SAXBuilder sb = new SAXBuilder();
org.jdom2.Document doc = sb.build(is);
Element root = doc.getRootElement();
json.put(root.getName(), iterateElement(root));
return json;
}
private static JSONObject iterateElement(Element element) {
List node = element.getChildren();
Element et = null;
JSONObject obj = new JSONObject();
List list = null;
for (int i = 0; i < node.size(); i++) {
list = new LinkedList();
et = (Element) node.get(i);
if (et.getTextTrim().equals("")) {
if (et.getChildren().size() == 0)
continue;
if (obj.containsKey(et.getName())) {
list = (List) obj.get(et.getName());
}
list.add(iterateElement(et));
obj.put(et.getName(), list);
} else {
if (obj.containsKey(et.getName())) {
list = (List) obj.get(et.getName());
}
list.add(et.getTextTrim());
obj.put(et.getName(), list);
}
}
return obj;
}
public static void main(String[] args) throws JDOMException, IOException {
String xml="<?xml version=\"1.0\" encoding=\"utf-8\" ?><MoBaoAccount MessageType=\"UserMobilePay\" PlatformID=\"b2ctest\"><OrderNo>M20150521084825</OrderNo><TradeAmt>5000.00</TradeAmt><Commission>0.5</Commission><UserID>zhuxiaolong</UserID><MerchID>zhuxiaolong1</MerchID><tradeType>0</tradeType><CustParam>123</CustParam> <NotifyUrl>http://mobaopay.com/callback.do</NotifyUrl><TradeSummary>订单</TradeSummary></MoBaoAccount>";
JSONObject json=xml2JSON(xml.getBytes());
System.out.println(json.toJSONString());
}
}
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执行结果
XML原文：
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<?xml version="1.0" encoding="utf-8" ?>
<MoBaoAccount MessageType="UserMobilePay" PlatformID="b2ctest">
<OrderNo>M20150521084825</OrderNo>
<TradeAmt>5000.00</TradeAmt>
<Commission>0.5</Commission>
<UserID>xiaolong</UserID>
<MerchID>xiaolong1</MerchID>
<tradeType>0</tradeType>
<CustParam>123</CustParam>
<NotifyUrl>http://mobaopay.com/callback.do</NotifyUrl>
<TradeSummary>订单</TradeSummary>
</MoBaoAccount>
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转换后的json格式数据
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{
"MoBaoAccount": {
"Commission": [
"0.5"
],
"CustParam": [
"123"
],
"MerchID": [
"zhuxiaolong1"
],
"NotifyUrl": [
"http://mobaopay.com/callback.do"
],
"OrderNo": [
"M20150521084825"
],
"TradeAmt": [
"5000.00"
],
"TradeSummary": [
"订单"
],
"UserID": [
"zhuxiaolong"
],
"tradeType": [
"0"
]
}
}
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以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：https://www.cnblogs.com/zhchoutai/p/7137318.html