增加redis

This commit is contained in:
shuzheng 2016-11-26 23:46:22 +08:00
parent 39565f716f
commit bea04d5d39
6 changed files with 289 additions and 6 deletions

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@ -0,0 +1,7 @@
ip=127.0.0.1
port=6379
password=
max_active=500
max_idle=5
max_wait=10000
timeout=10000

View File

@ -21,10 +21,10 @@ import javax.servlet.http.HttpServletRequest;
* @date 2016年10月15日
*/
@Controller
@RequestMapping("/cache")
public class CacheController extends BaseController {
@RequestMapping("/ehcache")
public class EhCacheController extends BaseController {
private static Logger _log = LoggerFactory.getLogger(CacheController.class);
private static Logger _log = LoggerFactory.getLogger(EhCacheController.class);
private final static String EHCACHE_NAME = PropertiesFileUtil.getInstance().get("ehcache");
@ -34,8 +34,7 @@ public class CacheController extends BaseController {
@RequestMapping("/test")
@ResponseBody
public Object test(HttpServletRequest request) {
System.out.println(System.getProperty("java.io.tmpdir"));
return "success";
return System.getProperty("java.io.tmpdir");
}
/**

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@ -0,0 +1,82 @@
package com.zheng.cms.controller;
import com.zheng.common.util.RedisUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import javax.servlet.http.HttpServletRequest;
/**
* 缓存controller
*
* @author shuzheng
* @date 2016年11月26日
*/
@Controller
@RequestMapping("/redis")
public class RedisController extends BaseController {
private static Logger _log = LoggerFactory.getLogger(RedisController.class);
@RequestMapping("/test")
@ResponseBody
public Object test(HttpServletRequest request) {
System.out.println(System.getProperty("java.io.tmpdir"));
for (int i = 1; i <= 10000; i ++) {
RedisUtil.set("key" + i, "value" + i, i * 5);
}
return "success";
}
/**
* 新增缓存记录
*
* @param request
* @return
*/
@RequestMapping("/add")
@ResponseBody
public Object add(HttpServletRequest request) {
String key = request.getParameter("key");
String value = request.getParameter("value");
String time = request.getParameter("time");
RedisUtil.set(key, value, Integer.parseInt(time));
return "success";
}
/**
* 删除缓存记录
*
* @param request
* @return
*/
@RequestMapping("/remove")
@ResponseBody
public Object remove(HttpServletRequest request) {
String key = request.getParameter("key");
RedisUtil.remove(key);
return "success";
}
/**
* 获取缓存记录
*
* @param request
* @return
*/
@RequestMapping("/get")
@ResponseBody
public Object get(HttpServletRequest request) {
String key = request.getParameter("key");
String value = RedisUtil.get(key);
if (null == value) {
_log.debug("【redis】没有找到key={}的记录!", key);
return "";
}
return value;
}
}

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@ -96,7 +96,7 @@
<artifactId>mybatis-ehcache</artifactId>
<version>${mybatis-ehcache.version}</version>
</dependency>
<!-- 数据库 -->
<!-- mysql -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
@ -108,6 +108,12 @@
<artifactId>druid</artifactId>
<version>1.0.14</version>
</dependency>
<!-- redis -->
<dependency>
<groupId>redis.clients</groupId>
<artifactId>jedis</artifactId>
<version>2.9.0</version>
</dependency>
<!-- 日志 -->
<dependency>
<groupId>org.slf4j</groupId>

View File

@ -56,6 +56,16 @@ public class PropertiesFileUtil {
}
}
// 根据key读取value(整形)
public Integer getInt(String key) {
try {
String value = resourceBundle.getString(key);
return Integer.parseInt(value);
}catch (MissingResourceException e) {
return null;
}
}
public Date getLoadTime() {
return loadTime;
}

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@ -0,0 +1,179 @@
package com.zheng.common.util;
import org.apache.commons.lang.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisPool;
import redis.clients.jedis.JedisPoolConfig;
import java.util.concurrent.locks.ReentrantLock;
/**
* Redis 工具类
* Created by shuzheng on 2016/11/26.
*/
public class RedisUtil {
protected static ReentrantLock lockPool = new ReentrantLock();
protected static ReentrantLock lockJedis = new ReentrantLock();
private static Logger logger = LoggerFactory.getLogger(RedisUtil.class);
//Redis服务器IP
private static String IP = PropertiesFileUtil.getInstance("redis").get("ip");
//Redis的端口号
private static int PORT = PropertiesFileUtil.getInstance("redis").getInt("port");
//访问密码
private static String PASSWORD = PropertiesFileUtil.getInstance("redis").get("password");
//可用连接实例的最大数目默认值为8
//如果赋值为-1则表示不限制如果pool已经分配了maxActive个jedis实例则此时pool的状态为exhausted(耗尽)
private static int MAX_ACTIVE = PropertiesFileUtil.getInstance("redis").getInt("max_active");
//控制一个pool最多有多少个状态为idle(空闲的)的jedis实例默认值也是8
private static int MAX_IDLE = PropertiesFileUtil.getInstance("redis").getInt("max_idle");
//等待可用连接的最大时间单位毫秒默认值为-1表示永不超时如果超过等待时间则直接抛出JedisConnectionException
private static int MAX_WAIT = PropertiesFileUtil.getInstance("redis").getInt("max_wait");
//超时时间
private static int TIMEOUT = PropertiesFileUtil.getInstance("redis").getInt("timeout");
//在borrow一个jedis实例时是否提前进行validate操作如果为true则得到的jedis实例均是可用的
private static boolean TEST_ON_BORROW = true;
private static JedisPool jedisPool = null;
/**
* redis过期时间,以秒为单位
*/
public final static int EXRP_HOUR = 60 * 60; //一小时
public final static int EXRP_DAY = 60 * 60 * 24; //一天
public final static int EXRP_MONTH = 60 * 60 * 24 * 30; //一个月
/**
* 初始化Redis连接池
*/
private static void initialPool() {
try {
JedisPoolConfig config = new JedisPoolConfig();
config.setMaxTotal(MAX_ACTIVE);
config.setMaxIdle(MAX_IDLE);
config.setMaxWaitMillis(MAX_WAIT);
config.setTestOnBorrow(TEST_ON_BORROW);
//jedisPool = new JedisPool(config, IP.split(",")[0], PORT, TIMEOUT, PASSWORD);
jedisPool = new JedisPool(config, IP.split(",")[0], PORT, TIMEOUT);
} catch (Exception e) {
logger.error("First create JedisPool error : " + e);
try {
//如果第一个IP异常则访问第二个IP
JedisPoolConfig config = new JedisPoolConfig();
config.setMaxTotal(MAX_ACTIVE);
config.setMaxIdle(MAX_IDLE);
config.setMaxWaitMillis(MAX_WAIT);
config.setTestOnBorrow(TEST_ON_BORROW);
//jedisPool = new JedisPool(config, IP.split(",")[1], PORT, TIMEOUT, PASSWORD);
jedisPool = new JedisPool(config, IP.split(",")[1], PORT, TIMEOUT);
} catch (Exception e2) {
logger.error("Second create JedisPool error : " + e2);
}
}
}
/**
* 在多线程环境同步初始化
*/
private static synchronized void poolInit() {
if (jedisPool == null) {
initialPool();
}
}
/**
* 同步获取Jedis实例
* @return Jedis
*/
public synchronized static Jedis getJedis() {
if (jedisPool == null) {
poolInit();
}
Jedis jedis = null;
try {
if (jedisPool != null) {
jedis = jedisPool.getResource();
}
} catch (Exception e) {
logger.error("Get jedis error : " + e);
} finally {
returnResource(jedis);
}
return jedis;
}
/**
* 释放jedis资源
* @param jedis
*/
public static void returnResource(final Jedis jedis) {
if (jedis != null && jedisPool != null) {
jedisPool.returnResource(jedis);
}
}
/**
* 设置 String
* @param key
* @param value
*/
public synchronized static void set(String key, String value) {
try {
value = StringUtils.isEmpty(value) ? "" : value;
getJedis().set(key, value);
} catch (Exception e) {
logger.error("Set key error : " + e);
}
}
/**
* 设置 过期时间
* @param key
* @param value
* @param seconds 以秒为单位
*/
public synchronized static void set(String key, String value, int seconds) {
try {
value = StringUtils.isEmpty(value) ? "" : value;
getJedis().setex(key, seconds, value);
} catch (Exception e) {
logger.error("Set keyex error : " + e);
}
}
/**
* 获取String值
* @param key
* @return value
*/
public synchronized static String get(String key) {
if (getJedis() == null || !getJedis().exists(key)) {
return null;
}
return getJedis().get(key);
}
/**
* 删除值
* @param key
*/
public synchronized static void remove(String key) {
try {
getJedis().del(key);
} catch (Exception e) {
logger.error("Remove keyex error : " + e);
}
}
}