define("MAPS_HOST", "maps.google.com");
define("KEY", "更换成你的KEY，可以去 http://code.google.com/intl/zh-CN/apis/maps/signup.html 申请");
$base_url = "http://" . MAPS_HOST . "/maps/geo?output=xml" . "&key=" . KEY;
$address = "上海东方明珠塔";  // 需要查询的地址
$request_url = $base_url . "&q=" . urlencode($address);
$xml = simplexml_load_file($request_url) or die("url not loading");
 
$status = $xml->Response->Status->code;
if (strcmp($status, "200") == 0) {
	// Successful geocode
	$geocode_pending = false;
	$coordinates = $xml->Response->Placemark->Point->coordinates;
	$coordinatesSplit = split(",", $coordinates);
	// Format: Longitude, Latitude, Altitude
	$lat = $coordinatesSplit[1];
	$lng = $coordinatesSplit[0];
 
	echo "坐标: $lat,$lng";
 
} else if (strcmp($status, "620") == 0) {
	echo "请求频率过快";
} else {
	echo "请求失败";
}

/**
 *  ezcounter
 *  http://vifix.cn
 *  MIT Lisence
 */
 
class ezcounter{
 
	const display_only = 1;
	const display_and_count = 0;
 
	private $file;
	private $hits;
 
	// 构造函数
	public function __construct($name = 'ezcounter'){
 
		// 存放计数的文件
		$this->file =  dirname(__FILE__) . "/$name.txt";
 
		// 判断文件是否存在，不存在则创建
		if(file_exists($this->file))
		{
			$this->hits = file_get_contents($this->file);
		}
		else
		{
			file_put_contents($this->file, "1");
			$this->hits = 1;
		}
	}
 
	// 获取计数
	public function gethits($flag = self::display_and_count){
		switch($flag)
		{
			case self::display_and_count:
				@session_start();
				if(!$_SESSION['ezcounter'])
				{
					$this->hits++;
					file_put_contents($this->file, $this->hits);
					$_SESSION['ezcounter'] = true;
				}
				return $this->hits;
				break;
			case self::display_only:
				return $this->hits;
				break;
		}
	}
 
	// 重定向计数
	public function redirect($url){
		@session_start();
		if(!$_SESSION['ezcounter'])
		{
			$this->hits++;
			file_put_contents($this->file, $this->hits);
			$_SESSION['ezcounter'] = true;
		}
		header("Location: $url");
	}
 
}

require_once("ezcounter.php");
 
$counter = new ezcounter();
echo $counter->gethits(ezcounter::display_and_count);

//download.php
require_once("ezcounter.php");
 
$counter = new ezcounter('another_file_name');
$counter->redirect('/target');

//view.php
require_once("ezcounter.php");
 
$counter = new ezcounter('another_file_name');
echo "<a href="download.php">" . $counter->gethits(ezcounter::display_only) . "</a>";

package cn.vifix.concurrentLab;
import java.util.Hashtable;
import java.util.concurrent.SynchronousQueue;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
 
public class ThreadPoolDemo
{
	public static Hashtable<Integer,String> jobs;
 
	public static void main(String[] args)
	{
		new ThreadPoolDemo();
	}
 
	public ThreadPoolDemo()
	{
		jobs = new Hashtable<Integer, String>();
		int taskCount = 30;
		for (int i=0; i<taskCount; i++)
		{
			jobs.put(i, "todo");
		}
		SynchronousQueue<Runnable> queue = new SynchronousQueue<Runnable>();
		ThreadPoolExecutor exec = new ThreadPoolExecutor(3, 3, 20, TimeUnit.SECONDS, queue, new ThreadPoolExecutor.DiscardPolicy());
		while(jobs.size() > 0)
		{
			try
			{
				Thread.sleep(500);
			}
			catch (Exception e)
			{
				e.printStackTrace();
			}
			if (exec.getActiveCount() == 3)
			{
				System.out.println("Thread count == 3; Skip this loop...");
				continue;
			}
			for (int i = taskCount - 1; i > -1; i--)
			{
				if (jobs.containsKey(i))
				{
					if (jobs.get(i) == "todo")
					{
						jobs.put(i, "doing");
						exec.execute(new ThreadPoolDemoWorker(i));
						break;
					}
				}
			}
			synchronized(System.out)
			{
				System.out.print(jobs.size());
				System.out.print(" Task Left:");
				System.out.print(" List:");
				System.out.println(jobs);
			}
		}
		System.out.println("All done.");
		System.exit(0);
	}
}

package cn.vifix.concurrentLab;
 
public class ThreadPoolDemoWorker implements Runnable
{
	private int idx;
 
	@Override
	public void run()
	{
		try
		{
			new ThreadPoolDemoJob(idx).process();
		}
		catch (Exception e)
		{
			System.out.println(e);
		}
	}
 
	public ThreadPoolDemoWorker(int i)
	{
		idx = i;
	}
}

package cn.vifix.concurrentLab;
import java.util.Random;
 
public class ThreadPoolDemoTask
{
	private int idx;
	private Random random;
 
	public ThreadPoolDemoTask(int i)
	{
		idx = i;
		random = new Random();
	}
	public void process() throws Exception
	{
		try
		{
			Thread.sleep(random.nextInt(10000));
		}
		catch (InterruptedException ex)
		{
			ex.printStackTrace();
		}
		this.doTask();
	}
 
	private void doTask() throws Exception
	{
		if (random.nextFloat() > 0.8)
		{
			ThreadPoolDemo.jobs.put(idx, "todo");
			synchronized(System.out)
			{
				System.out.println(" Task " + idx + " failed.");
			}
			throw new Exception("Task " + Integer.toString(idx) + " failed, retry.");
		}
		else
		{
			synchronized(System.out)
			{
				System.out.println(" Task " + idx + " done.");
			}
			ThreadPoolDemo.jobs.remove(idx);
		}
	}
}