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package googleMap;
 
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLEncoder;
import java.io.*;
import java.util.*; 
 
import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.Element;
import org.dom4j.io.SAXReader;
import org.dom4j.io.XMLWriter;
 
 
 
 
 
public class queryDistance {
 
	static final String GET_URL = "https://m...content-available-to-author-only...s.com/maps/api/distancematrix/xml?"; 
 
	public void query(String str1, String str2) throws IOException, DocumentException {
		// TODO 自動產生的方法 Stub
		// 拼湊get請求的URL字串，使用URLEncoder.encode對特殊和不可見字符進行編碼
		String origin_location = URLEncoder.encode(str1, "utf-8");
		String des_location = URLEncoder.encode(str2, "utf-8");
		String getURL = GET_URL + "origins=" + origin_location + "&destinations=" + des_location + "&language=zh_TW&sensor=false";
 
		URL getUrl = new URL(getURL); 
		// 根據拼湊的URL，打開連接，URL.openConnection函數會根據URL的類型， 
		// 返回不同的URLConnection子類的對象，這裏URL是一個http，因此實際返回的是HttpURLConnection 
		HttpURLConnection connection = (HttpURLConnection) getUrl.openConnection(); 
		// 進行連接，但是實際上get request要在下一句的connection.getInputStream()函數中才會真正發到 
		// 服務器 
		connection.connect(); 
		// 取得輸入流，並使用Reader讀取 
 
		BufferedReader rd = new BufferedReader(new InputStreamReader(connection.getInputStream(),"utf-8"));
		XMLWriter writer = new XMLWriter( new FileWriter("F:\\gmap.xml"));
		String lines; 
		while ((lines = rd.readLine()) != null){ 
			writer.write(lines);
			writer.write("\n");
		}
		writer.close();
 
		File f = new File("F:\\gmap.xml");
		SAXReader reader = new SAXReader();
		Document doc = reader.read(f);
		Element root = doc.getRootElement();
		Element foo;
		for (Iterator i = root.elementIterator("distance"); i.hasNext();) {
			foo = (Element) i.next();
			System.out.print("車牌號碼:" + foo.elementText("value"));
		}
 
	} 
}

Main.java:22: error: class queryDistance is public, should be declared in a file named queryDistance.java
public class queryDistance {
       ^
Main.java:12: error: package org.dom4j does not exist
import org.dom4j.Document;
                ^
Main.java:13: error: package org.dom4j does not exist
import org.dom4j.DocumentException;
                ^
Main.java:14: error: package org.dom4j does not exist
import org.dom4j.Element;
                ^
Main.java:15: error: package org.dom4j.io does not exist
import org.dom4j.io.SAXReader;
                   ^
Main.java:16: error: package org.dom4j.io does not exist
import org.dom4j.io.XMLWriter;
                   ^
Main.java:26: error: cannot find symbol
	public void query(String str1, String str2) throws IOException, DocumentException {
	                                                                ^
  symbol:   class DocumentException
  location: class queryDistance
Main.java:43: error: cannot find symbol
		XMLWriter writer = new XMLWriter( new FileWriter("F:\\gmap.xml"));
		^
  symbol:   class XMLWriter
  location: class queryDistance
Main.java:43: error: cannot find symbol
		XMLWriter writer = new XMLWriter( new FileWriter("F:\\gmap.xml"));
		                       ^
  symbol:   class XMLWriter
  location: class queryDistance
Main.java:52: error: cannot find symbol
		SAXReader reader = new SAXReader();
		^
  symbol:   class SAXReader
  location: class queryDistance
Main.java:52: error: cannot find symbol
		SAXReader reader = new SAXReader();
		                       ^
  symbol:   class SAXReader
  location: class queryDistance
Main.java:53: error: cannot find symbol
		Document doc = reader.read(f);
		^
  symbol:   class Document
  location: class queryDistance
Main.java:54: error: cannot find symbol
		Element root = doc.getRootElement();
		^
  symbol:   class Element
  location: class queryDistance
Main.java:55: error: cannot find symbol
		Element foo;
		^
  symbol:   class Element
  location: class queryDistance
Main.java:57: error: cannot find symbol
			foo = (Element) i.next();
			       ^
  symbol:   class Element
  location: class queryDistance
15 errors

Standard output is empty