Pomelo Lee workspace

$ wget http://download.redis.io/releases/redis-3.0.2.tar.gz
$ tar xvzf redis-3.0.2.tar.gz
$ cd redis-3.0.2
$ make

$ cp src/redis-server /usr/local/bin/
$ cp src/redis-cli /usr/local/bin/

测试网址:     http://localhost/blog/testurl.php?id=359
//获取域名或主机地址 
echo $_SERVER['HTTP_HOST']."<br>"; #localhost

//获取网页地址 
echo $_SERVER['PHP_SELF']."<br>"; #/blog/testurl.php

//获取网址参数 
echo $_SERVER["QUERY_STRING"]."<br>"; #id=359

//获取用户代理 
echo $_SERVER['HTTP_REFERER']."<br>"; 
 
//获取完整的url
echo 'http://'.$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI'];
echo 'http://'.$_SERVER['HTTP_HOST'].$_SERVER['PHP_SELF'].'?'.$_SERVER['QUERY_STRING'];
#http://localhost/blog/testurl.php?id=359

//包含端口号的完整url
echo 'http://'.$_SERVER['SERVER_NAME'].':'.$_SERVER["SERVER_PORT"].$_SERVER["REQUEST_URI"]; 
#http://localhost:80/blog/testurl.php?id=359

//只取路径
$url='http://'.$_SERVER['SERVER_NAME'].$_SERVER["REQUEST_URI"]; 
echo dirname($url);
#http://localhost/blog

package com.i5a6.semp.test;
 
import org.springframework.expression.EvaluationContext;
import org.springframework.expression.Expression;
import org.springframework.expression.ExpressionParser;
import org.springframework.expression.spel.standard.SpelExpressionParser;
import org.springframework.expression.spel.support.StandardEvaluationContext;
 
public class TestExpress {
 
	public static void main(String[] args) {
		int num = dynamicCalOutput(2, 2, "#playerLevel^(1/2.7)*100*#num");
 
		System.out.println((Math.pow(2, (1 / 2.7)) * 100));
		System.out.println(num);
 
	}
 
	public static int dynamicCalOutput(int lev, int num, String arithmetic) {
		if (arithmetic == null || arithmetic.length() <= 0) {
			return 0;
		}
		ExpressionParser parser = new SpelExpressionParser();
		Expression expression = parser.parseExpression(arithmetic);
 
		EvaluationContext context = new StandardEvaluationContext();
		context.setVariable("playerLevel", lev);
		context.setVariable("num", num);
		return expression.getValue(context, Integer.class);
	}
}

package com.i5a6.semp.test;
 
import java.util.Random;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Semaphore;
 
public class SemaphoreTest {
 
	private Semaphore semp;
 
	private ExecutorService executorPool;
 
	public SemaphoreTest(int threadNum) {
		semp = new Semaphore(threadNum);
		executorPool = Executors.newFixedThreadPool(threadNum);
	}
 
	public void doEnd() {
		this.executorPool.shutdown();
	}
 
	public void doMsg(int num) {
		try {
			semp.acquire();
			executorPool.execute(new HelloUExecutor(num));
		} catch (InterruptedException e) {
			e.printStackTrace();
		}
	}
 
	class HelloUExecutor implements Runnable {
		private int num;
 
		public HelloUExecutor(int num) {
			this.num = num;
		}
 
		Random r = new Random();
 
		@Override
		public void run() {
			try {
				System.out.println(num);
				Thread.sleep(r.nextInt(1000));
			} catch (Exception e) {
				e.printStackTrace();
			} finally {
				semp.release();
			}
		}
	}
 
	public static void main(String[] args) {
		// 初始化为1 顺序执行
		SemaphoreTest st = new SemaphoreTest(5);
		for (int i = 0; i < 20; i++) {
			st.doMsg(i);
		}
		st.doEnd();
	}
 
}