java dom4j封装和解析XML

时间：2023-02-06 20:43:11
package org.scbit.lsbi.scp.utils;

import java.util.ArrayList;

import java.util.List;

import org.dom4j.Document;

import org.dom4j.DocumentException;

import org.dom4j.DocumentHelper;

import org.dom4j.Element;

import org.scbit.lsbi.scp.utils.enums.TemplateDeviceEnum;

import org.scbit.lsbi.scp.vo.TemplateDeviceFormVo;

import org.scbit.lsbi.scp.vo.TemplateDeviceVo;

public class CurrentXMLUtil {

	// 封装数据到XML

	public static String createXML(TemplateDeviceFormVo templateDeviceFormVo) {

		List<TemplateDeviceVo> templateDeviceVo = templateDeviceFormVo.getTemplateDeviceVos();

		Document doc = DocumentHelper.createDocument();

		doc.setXMLEncoding("UTF-8");

		Element root = doc.addElement("custom");

		for (int i = 0; i < templateDeviceVo.size(); i++) {

			Element iterm = root.addElement("iterm");

			iterm.addAttribute("filed", templateDeviceVo.get(i).getParamId());

			iterm.addElement("name").setText(templateDeviceVo.get(i).getFiledName());

			iterm.addElement("code")

					.setText(ChineseInitials.getPinYinHeadChar(templateDeviceVo.get(i).getFiledName(), 1));

			String typ = TemplateDeviceEnum.getCnName(templateDeviceVo.get(i).getType());

			Element type = iterm.addElement("type").addAttribute("value", typ);

			if ("radio".equals(templateDeviceVo.get(i).getType())

					|| "select".equals(templateDeviceVo.get(i).getType())) {

				if (templateDeviceVo.get(i).getOptions() != null)

					for (int j = 0; j < templateDeviceVo.get(i).getOptions().size(); j++) {

						type.addElement("option").setText(templateDeviceVo.get(i).getOptions().get(j));

					}

				if (StringUtil.hasText(templateDeviceVo.get(i).getSelect())) {

					iterm.addElement("normalValue").setText(templateDeviceVo.get(i).getOptions()

							.get(Integer.parseInt(templateDeviceVo.get(i).getSelect().length() + "") - 2));

				}

			}

			if ("number".equals(templateDeviceVo.get(i).getType())

					&& StringUtil.hasText(templateDeviceVo.get(i).getLocalUnit())

					&& !StringUtil.hasText(templateDeviceVo.get(i).getMaxNum())) {

				iterm.addElement("meunit").setText(templateDeviceVo.get(i).getLocalUnit());

				iterm.addElement("number").setText(templateDeviceVo.get(i).getSignVal());

				iterm.addElement("sign").setText(templateDeviceVo.get(i).getSign());// templateDeviceVo.get(i).getSign();

			}

			if ("number_value".equals(templateDeviceVo.get(i).getType())

					&& StringUtil.hasText(templateDeviceVo.get(i).getMaxNum())

					&& StringUtil.hasText(templateDeviceVo.get(i).getRangeUnit())) {

				iterm.addElement("meunit").setText(templateDeviceVo.get(i).getRangeUnit());

				iterm.addElement("min").setText(templateDeviceVo.get(i).getMinNum());

				iterm.addElement("max").setText(templateDeviceVo.get(i).getMaxNum());

			}

			if ("yin_yang".equals(templateDeviceVo.get(i).getType())) {

				if (templateDeviceVo.get(i).getOptions() != null) {

					for (int j = 0; j < templateDeviceVo.get(i).getOptions().size(); j++) {

						type.addElement("option").setText(templateDeviceVo.get(i).getOptions().get(j));

					}

				}

				if (StringUtil.hasText(templateDeviceVo.get(i).getSelect())) {

					iterm.addElement("normalValue").setText(templateDeviceVo.get(i).getSelect());

				}

			}

		}

		return doc.asXML();

	}

	public static TemplateDeviceFormVo parseXML(String xml) {

		Document doc = null;

		Element root = null;

		TemplateDeviceFormVo templateDeviceFormVo = new TemplateDeviceFormVo();

		try {

			doc = DocumentHelper.parseText(xml);

			root = doc.getRootElement();

			List<Element> elements = root.elements();

			List<TemplateDeviceVo> templateDeviceVos = new ArrayList<>();

			for (int i = 0; i < elements.size(); i++) {

				TemplateDeviceVo templateDeviceVo = new TemplateDeviceVo();

				Element iterm = elements.get(i);

				String name = iterm.elementText("name");

				String code = iterm.elementText("code");

				String type = iterm.element("type").attribute("value").getText();

				String paramId = iterm.attribute("filed").getText();

				templateDeviceVo.setParamId(paramId);

				templateDeviceVo.setFiledName(name);

				templateDeviceVo.setCode(code);

				templateDeviceVo.setType(type);

				if (iterm.element("type").hasContent()) {

					List<Element> options = iterm.element("type").elements("option");

					List<String> ops = new ArrayList<>();

					for (Element option : options) {

						String opText = option.getText();

						ops.add(opText);

					}

					templateDeviceVo.setOptions(ops);

				}

				if (iterm.element("normalValue") != null) {

					templateDeviceVo.setSelect(iterm.element("normalValue").getText());

				}

				if (iterm.element("meunit") != null && iterm.element("max") == null) {

					templateDeviceVo.setLocalUnit(iterm.element("meunit").getText());

					templateDeviceVo.setSignVal(iterm.element("number").getText());

					templateDeviceVo.setSign(iterm.element("sign").getText());

				}

				if (iterm.element("meunit") != null && iterm.element("max") != null) {

					templateDeviceVo.setRangeUnit(iterm.element("meunit").getText());

					templateDeviceVo.setMinNum(iterm.element("min").getText());

					templateDeviceVo.setMaxNum(iterm.element("max").getText());

				}

				templateDeviceVos.add(templateDeviceVo);

			}

			templateDeviceFormVo.setTemplateDeviceVos(templateDeviceVos);

		} catch (DocumentException e) {

			e.printStackTrace();

		}

		return templateDeviceFormVo;

	}

}

　　maven包：

                <dependency>

			<groupId>dom4j</groupId>

			<artifactId>dom4j</artifactId>

			<version>1.6.1</version>

		</dependency>

　　XML示例：

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

 <custom>

     <iterm filed="">

         <name>白细胞数</name>

         <code>bxb</code>

         <type value="数字"></type>

         <meunit>个</meunit>

         <min>4</min>

         <max>10</max>

     </iterm>

     <iterm filed="">

         <name>白细胞数</name>

         <code>bxb</code>

         <type value="数字"></type>

         <meunit>个</meunit>

         <number>20</number>

     </iterm>

     <iterm filed="">

         <name>细菌阴阳性</name>

         <code>zc</code>

         <type value="单选框">

             <option >阴</option>

             <option>阳</option>

         </type>

         <required>false</required>

         <normalValue>阴</normalValue>

     </iterm>

     <iterm filed="">

         <name>照片</name>

         <code>tp</code>

         <type value="图片"></type>

         <required>false</required>

     </iterm>

     <iterm filed="">

         <name>描述</name>

         <code>ms</code>

         <type value="文本框"></type>

         <required>false</required>

     </iterm>

 </custom>

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