JAVA生成xml文件

一、導包

自動生成xml文件，使用到的jar包為dom4j文章來源地址http://www.zghlxwxcb.cn/news/detail-546292.html

<dependency>
			<groupId>dom4j</groupId>
			<artifactId>dom4j</artifactId>
			<version>1.6.1</version>
</dependency>

二、書寫工具包

package com.rainfe.tdm.df.util;/**
 * @author by XXX
 * @date 2022/11/21.
 * <p>
 * 描述：
 */

import org.dom4j.Document;
import org.dom4j.DocumentHelper;
import org.dom4j.Element;
import org.dom4j.io.OutputFormat;
import org.dom4j.io.XMLWriter;

import java.io.ByteArrayOutputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;


/**
 *

 TDM
 *

 XmlUtil
 * @author : fzt

 * @date : 2022-11-21 14:29
 **/
public class XmlUtil {
    public static void main(String[] args) {

        // 1.聲明文件名稱
        String fileName = "xml_test";
        // 2.創(chuàng)建dom對象
        Document document = DocumentHelper.createDocument();

        // 3.添加節(jié)點，根據(jù)需求添加，這里我只是設置了一個head節(jié)點，下面有name和age兩個子節(jié)點
        Element esbEnvelop = document.addElement("ESBEnvelop");
        Element esbHead = esbEnvelop.addElement("ESBHead");
        Element esbBody = esbEnvelop.addElement("ESBBody");
        Element appRequest = esbBody.addElement("AppRequest");
        Element appReqHead = appRequest.addElement("AppReqHead");
        Element tradeCode = appReqHead.addElement("TradeCode");
        Element reqSerialNo = appReqHead.addElement("ReqSerialNo");
        Element tradeTime = appReqHead.addElement("TradeTime");
        Element tradeDescription = appReqHead.addElement("TradeDescription");
        Element tradeLogLevel = appReqHead.addElement("TradeLogLevel");
        Element reserved = appReqHead.addElement("Reserved");
        Element appReqBody = appRequest.addElement("AppReqBody");
        Element table = appReqBody.addElement("table").addAttribute("name", "表1").addAttribute("id", "Bom-01-01-eee");
        Element rows = table.addElement("rows");
        rows.addElement("row").addAttribute("key","value").addAttribute("key1","value1");
        tradeCode.addText("這是tradeCode");
        reqSerialNo.addText("這是reqSerialNo");
        Date date = new Date();
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        String format1 = sdf.format(date);
        tradeTime.addText(format1);
        tradeLogLevel.addText("1");
        // 4、格式化模板
        //OutputFormat format = OutputFormat.createCompactFormat();
        OutputFormat format = OutputFormat.createPrettyPrint();
        format.setEncoding("UTF-8");

        // 5、生成xml文件
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        try {
            XMLWriter writer = new XMLWriter(out, format);
            writer.write(document);
            writer.close();
        } catch (IOException e) {
            System.out.println("生成xml文件失敗。文件名【" + fileName + "】");
        }

        // 6、生成的XML文件
        // 7、利用文件輸出流輸出到文件， 文件輸出到了您的項目根目錄下了
        try (FileOutputStream fos = new FileOutputStream(fileName + ".xml")) {
            fos.write(out.toByteArray());
        } catch (IOException e) {
            e.printStackTrace();
        }

    }

}

三、結(jié)果展示

<?xml version="1.0" encoding="UTF-8"?>

<ESBEnvelop>
  <ESBHead/>
  <ESBBody>
    <AppRequest>
      <AppReqHead>
        <TradeCode>這是tradeCode</TradeCode>
        <ReqSerialNo>這是reqSerialNo</ReqSerialNo>
        <TradeTime>2022-11-21 15:02:27</TradeTime>
        <TradeDescription/>
        <TradeLogLevel>1</TradeLogLevel>
        <Reserved/>
      </AppReqHead>
      <AppReqBody>
        <table name="表1" id="Bom-01-01-eee">
          <rows>
            <row key="value" key1="value1"/>
          </rows>
        </table>
      </AppReqBody>
    </AppRequest>
  </ESBBody>
</ESBEnvelop>

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