java读取kml文件数据

import java.io.BufferedWriter; import java.io.BufferedReader; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.util.ArrayList; import java.util.Iterator; import java.util.List; import org.dom4j.Document; import org.dom4j.Element; import org.dom4j.io.SAXReader; import com.alibaba.fastjson.JSON; public class ReadKml { public static boolean addSampleSuccess = false; // 判断读取KML是否成功 private static Coordinate coordinate = null; // 存储从KML文件中读取出来的坐标值和name private static List<Placemark> placemarkList = new ArrayList();// 存储每次实例化的Coordinate对象,每个Coordinate都保存着不同的x,y,name private static String aaaaa; private static String hh; public static void main(String[] args) throws Exception { String // filePath = // "E://eclipseworkspace//lw_tracing//WebRoot//kml//test.kml"; filePath = "C://Users//888//Desktop//王总GIS//地图文件//JZSG-8标文件.kml"; // String // filePath = // "C://Users//888//Desktop//王总GIS//地图文件//路基隧道线路中心线点文件.kml";// mark // String // filePath ="C://Users//888//Desktop//王总GIS//地图文件//桥梁点文件.kml";// mark // String // filePath="C://Users//888//Desktop//王总GIS//地图文件//涵洞点文件.kml";//error // String // filePath="C://Users//888//Desktop//王总GIS//地图文件//宣1变更.kml"; // String // // // String // filePath="C://Users//888//Desktop//王总GIS//地图文件//京张中桩线文件.kml"; // String // filePath="C://Users//888//Desktop//王总GIS//地图文件//一分部重点拆迁区域20160625.kml"; // String //filePath = "C://Users//888//Desktop//王总GIS//地图文件//1号线.kml"; System.out.println("main:"); System.out.println(filePath); parseXmlWithDom4j(filePath); System.out.println("placemarkList Value :" + placemarkList.toString()); System.out.println("------------------------------------------------"); String jsonString = JSON.toJSONString(placemarkList); System.out.println(jsonString); try { // 防止文件建立或读取失败，用catch捕捉错误并打印，也可以throw /* 读入TXT文件 */ String pathname = "D:\\KMLjson.txt"; // // 绝对路径或相对路径都可以，这里是绝对路径，写入文件时演示相对路径 // /* 写入Txt文件 */ // File writename = new File(pathname); // 相对路径，如果没有则要建立一个新的。txt文件 // writename.createNewFile(); // 创建新文件 // BufferedWriter out = new BufferedWriter(new // FileWriter(writename)); // out.write(jsonString); // \r\n即为换行 // out.flush(); // 把缓存区内容压入文件 // out.close(); // 最后记得关闭文件 FileOutputStream writerStream = new FileOutputStream(pathname); BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(writerStream, "utf-8")); writer.write(jsonString); writer.close(); } catch (Exception e) { e.printStackTrace(); } } public static Boolean parseXmlWithDom4j(String input) throws Exception { Document document = null; document = loadFile(input); Element root = document.getRootElement();// 获取doc.kml文件的根结点 listNodes(root); addSampleSuccess = true; // 选择sd卡中的kml文件，解析成功后即调用MainActivity中的添加marker的方法向地图上添加样点marker return addSampleSuccess; } /** * 载入一个KML文件 * * @param fileName * @return */ private static Document loadFile(String fileName) { Document document = null; SAXReader reader = null; try { reader = new SAXReader(); FileInputStream in = new FileInputStream(new File(fileName)); InputStreamReader inReader = new InputStreamReader(in, "UTF-8"); BufferedReader bufReader = new BufferedReader(inReader); document = reader.read(bufReader); } catch (Exception ex) { ex.printStackTrace(); } return document; } // 遍历当前节点下的所有节点 public static void listNodes(Element node) { String name = "";// Placemark节点中的name属性 String href = "";// Placemark节点中的name属性 String x = "";// 坐标x String y = "";// 坐标y String alt = "";// 高程alt double d_x = 0.0;// 对x作string to double double d_y = 0.0; double d_alt = 0.0; List<Coordinate> coordinateList = new ArrayList(); try { // if ("IconStyle".equals(node.getName())) {// 如果当前节点是Placemark就解析其子节点 // List<Element> placemarkSons = node.elements();// 得到Placemark节点所有的子节点 // for (Element element : placemarkSons) { // 遍历所有的子节点 // if ("href".equals(element.getName())) { // href = element.getText(); // } // } // } if ("Placemark".equals(node.getName())) {// 如果当前节点是Placemark就解析其子节点 List<Element> placemarkSons = node.elements();// 得到Placemark节点所有的子节点 for (Element element : placemarkSons) { // 遍历所有的子节点 if ("name".equals(element.getName())) { href = element.getText(); System.out.println("href Value :" + "href=" + href ); } } Element pointSon;// Point节点的子节点 Iterator i = node.elementIterator("Point");// 遍历Point节点的所有子节点 while (i.hasNext()) { pointSon = (Element) i.next(); String nodeContent = ""; nodeContent = pointSon.elementText("coordinates");// 得到coordinates节点的节点内容 coordinate = makeCoordinate(nodeContent); coordinateList.add(coordinate);// 将每一个实例化的对象存储在list中 } if (coordinateList.size() > 0) placemarkList.add(new Placemark(coordinateList, name, "point")); coordinateList.clear(); // try { Element LineSon;// 线节点的子节点 Iterator j = node.elementIterator("LineString");// 遍历线节点的所有子节点 while (j.hasNext()) { LineSon = (Element) j.next(); String nodeContent = ""; nodeContent = LineSon.elementText("coordinates");// 得到coordinates节点的节点内容 System.out.println("beforeRepace :" + nodeContent); nodeContent = nodeContent.replaceAll("\t|\n", " "); System.out.println("afterRepace :" + nodeContent); String nodeContentSplit[] = null; nodeContentSplit = nodeContent.split(" "); for (int it = 0; it < nodeContentSplit.length; it++) { String coordinateStr = nodeContentSplit[it]; coordinate = makeCoordinate(coordinateStr); coordinateList.add(coordinate);// 将每一个实例化的对象存储在list中 } } Placemark heh = new Placemark(coordinateList, name, "LineString"); System.out.println("Placemark Value :" + "name=" + heh.getName() + "type=" + heh.getType() + "points=" + heh.getPoints()); if (coordinateList.size() > 0) placemarkList.add(new Placemark(coordinateList, name, "LineString")); // } catch (Exception e) { // System.out.println("LLLLLLLLLLLLLLLLLLLLLL:" + "\n" + e); // System.out.println("LLLL"); // coordinateList.clear(); // Element LineSon;// 线节点的子节点 // Iterator j = node.elementIterator("LineString");// // 遍历线节点的所有子节点 // while (j.hasNext()) { // LineSon = (Element) j.next(); // String nodeContent = ""; // nodeContent = LineSon.elementText("coordinates");// // 得到coordinates节点的节点内容 // System.out.println("#########catchCoordinates :" + // nodeContent); // // String nodeContentSplit[] = null; // nodeContentSplit = nodeContent.split("\\r?\\n"); // for (int it = 0; it < nodeContentSplit.length; it++) { // String coordinateStr = nodeContentSplit[it]; // System.out.println("NNNNNN :" + coordinateStr); // if(!coordinateStr.isEmpty()) // { // coordinate = makeCoordinate(coordinateStr); // System.out.println("CCCCCCC :"+coordinate); // coordinateList.add(coordinate);// 将每一个实例化的对象存储在list中 // } // // } // } Placemark heh0 = new Placemark(coordinateList, name, "LineString"); Sys