readxml.java

来自「JAVA版本的XML文件解析」· Java 代码 · 共 77 行

package com.xml;

import java.io.File;

import org.dom4j.Document;
import org.dom4j.Element;
import org.dom4j.Node;
import org.dom4j.io.SAXReader;
import java.util.*;

public class ReadXml {

	/* 用于存放非oray元素标签 */
	List<Map> liststr = new ArrayList<Map>();

	/* List用于存放HashMap数据类型 */
	List<Map> list = new ArrayList<Map>();

	HashMap<String, String> ht = null;

	Document doc = null;

	public ReadXml() {
	}// 无参构造函数

	// 读取传入的XML文档
	public void read(String filename) throws Exception {
		SAXReader reader = new SAXReader();
		doc = reader.read(new File(filename));
	}

	// 传入根原色启动递归遍历
	public void treeWalk() {
		treeWalk(doc.getRootElement());
	}

	public void treeWalk(Element element) {
		for (int i = 0, size = element.nodeCount(); i < size; i++) {
			Node node = element.node(i);
			if (node instanceof Element) {
				if (node.getName().endsWith("oary"))
					readoary((Element) node);
				else {
					ht = new HashMap<String, String>();
					ht.put(node.getName(), node.getText());
					liststr.add(ht);
				}
			} else {
				ht = new HashMap<String, String>();
				ht.put(node.getName(), node.getText());
				liststr.add(ht);
			}
		}
	}

	/** 专用读取oray标签内的子元素 */
	public void readoary(Element element) {
		for (int i = 0, size = element.nodeCount(); i < size; i++) {
			Node node = element.node(i);
			if (node.getText().trim().length() > 0) {
				ht = new HashMap<String, String>();
				ht.put(node.getName(), node.getText());
			}
			list.add(ht);
		}
		
	}

	public List getoary() {
		return list;
	}

	public List getother() {
		return liststr;
	}
}