====== spring整合redis ======
===== 加入pom依赖 =====
<code xml pom.xml>
<dependency>
	<groupId>org.springframework.data</groupId>
	<artifactId>spring-data-redis</artifactId>
	<version>1.3.2.RELEASE</version>
</dependency>
<dependency>
	<groupId>redis.clients</groupId>
	<artifactId>jedis</artifactId>
	<version>2.4.2</version>
</dependency>
</code>
===== 引入placeholder =====
<code xml application-context.xml>
<!-- 数据库配置文件位置 -->
<context:property-placeholder location="classpath:/redis.properties" />
</code>
===== application-cache-redis.xml =====
<code xml application-cache-redis.xml>
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:p="http://www.springframework.org/schema/p"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:aop="http://www.springframework.org/schema/aop"
	xmlns:context="http://www.springframework.org/schema/context" xmlns:tx="http://www.springframework.org/schema/tx"
	xmlns:jpa="http://www.springframework.org/schema/data/jpa"
	xmlns:security="http://www.springframework.org/schema/security"
	xsi:schemaLocation="
		http://www.springframework.org/schema/aop 
		http://www.springframework.org/schema/aop/spring-aop-4.0.xsd
		http://www.springframework.org/schema/security 
		http://www.springframework.org/schema/security/spring-security-3.2.xsd
		http://www.springframework.org/schema/beans 
		http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
		http://www.springframework.org/schema/data/jpa 
		http://www.springframework.org/schema/data/jpa/spring-jpa-1.3.xsd
		http://www.springframework.org/schema/tx 
		http://www.springframework.org/schema/tx/spring-tx-4.0.xsd
		http://www.springframework.org/schema/context 
		http://www.springframework.org/schema/context/spring-context-4.0.xsd
		http://www.springframework.org/schema/cache
		http://www.springframework.org/schema/cache/spring-cache.xsd">

	<bean id="poolConfig" class="redis.clients.jedis.JedisPoolConfig">
        <property name="maxTotal" value="${redis.maxTotal}" />
		<property name="minIdle" value="${redis.minIdle}" />
		<property name="maxIdle" value="${redis.maxIdle}" />
		<property name="testOnBorrow" value="${redis.testOnBorrow}" />
    </bean>
    
    <bean id="connectionFactory" class="org.springframework.data.redis.connection.jedis.JedisConnectionFactory"
        p:host-name="${redis.host}" p:port="${redis.port}" p:password="${redis.pass}"  p:pool-config-ref="poolConfig"/>
    
	<bean id="redisTemplate" class="org.springframework.data.redis.core.RedisTemplate">
		<property name="connectionFactory" ref="connectionFactory" />
		<!-- 如果不配置Serializer，那么存储的时候智能使用String，如果用User类型存储，那么会提示错误User can't cast to String！！！ -->
		<property name="valueSerializer">
			<bean class="org.springframework.data.redis.serializer.JdkSerializationRedisSerializer" />
		</property>
	</bean>
</beans>
</code>
===== redis.properties =====
<code txt redis.properties>
# Redis settings
redis.host=121.43.104.34
redis.port=6379
redis.pass=

redis.minIdle=300
redis.maxIdle=600
redis.maxTotal=1000
redis.testOnBorrow=true
</code>
===== RedisService.java =====
<code java RedisService.java>
package com.gxx.record.service;

import java.util.List;

/**
 * <dl>
 * <dt><b>Title:</b></dt>
 * <dd>
 * redis服务接口</dd>
 * <dt><b>Description:</b></dt>
 * <dd>
 * <p>
 * none</dd>
 * </dl>
 *
 * @author Administrator
 * @version 1.0, 2015年7月19日
 * @since record
 *
 */
public interface RedisService {
	/**
	 * set
	 * 
	 * @param key
	 * @param value
	 * @return
	 */
	public boolean set(String key, Object value);

	/**
	 * get
	 * 
	 * @param key
	 * @return
	 */
	public Object get(String key);

	/**
	 * delete
	 * 
	 * @param key
	 * @return
	 */
	public Object delete(String key);

	/**
	 * listLeftPush
	 * 
	 * @param key
	 * @return
	 */
	public long listLeftPush(String key, String url);

	/**
	 * listRightPush
	 * 
	 * @param key
	 * @return
	 */
	public long listRightPush(String key, String url);

	/**
	 * listRange
	 * 
	 * @param key
	 * @return
	 */
	public List<Object> listRange(String key, long start, long end);

	/**
	 * hashSetNx
	 * 
	 * @param hash
	 * @param key
	 * @param value
	 * @return
	 */
	public boolean hashSetNx(String hash, String key, String value);

	/**
	 * hashSize
	 * 
	 * @param hash
	 * @return
	 */
	public long hashSize(String hash);

	/**
	 * hashExist
	 * 
	 * @param hash
	 * @param key
	 * @return
	 */
	public boolean hashExist(String hash, String key);
}
</code>
===== RedisServiceImpl.java =====
<code java RedisServiceImpl.java>
package com.gxx.record.service.impl;

import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Service;

import com.gxx.record.service.RedisService;

/**
 * <dl>
 *    <dt><b>Title:</b></dt>
 *    <dd>
 *    	redis服务实现类
 *    </dd>
 *    <dt><b>Description:</b></dt>
 *    <dd>
 *    	<p>none
 *    </dd>
 * </dl>
 *
 * @author Administrator
 * @version 1.0, 2015年7月19日
 * @since record
 *
 */
@Service("redisService")
public class RedisServiceImpl implements RedisService {
	
	@Autowired
	private RedisTemplate<String, Object> redisTemplate;
	
	/**
	 * set
	 * @param key
	 * @param value
	 * @return
	 */
	public boolean set(String key, Object value) {
		redisTemplate.opsForValue().set(key, value);
		return Boolean.TRUE.booleanValue();
	}
	
	/**
	 * get
	 * @param key
	 * @return
	 */
	public Object get(String key) {
		return redisTemplate.opsForValue().get(key);
	}
	
	/**
	 * delete
	 * @param key
	 * @return
	 */
	public Object delete(String key) {
		Object object = redisTemplate.opsForValue().get(key);
		if( object!=null){
			redisTemplate.delete(key);
		}
		return object;
	}
	
	/**
	 * listLeftPush
	 * @param key
	 * @return
	 */
	public long listLeftPush(String key, String url) {
		long size = redisTemplate.opsForList().leftPush(key, url);
		return size;
	}
	
	/**
	 * listRightPush
	 * @param key
	 * @return
	 */
	public long listRightPush(String key, String url) {
		long size = redisTemplate.opsForList().rightPush(key, url);
		return size;
	}
	
	/**
	 * listRange
	 * @param key
	 * @return
	 */
	public List<Object> listRange(String key, long start, long end) {
		List<Object> list = redisTemplate.opsForList().range(key, start, end);
		return list;
	}
	
	/**
	 * hashSetNx
	 * @param hash
	 * @param key
	 * @param value
	 * @return
	 */
	public boolean hashSetNx(String hash, String key, String value) {
		return redisTemplate.opsForHash().putIfAbsent(hash, key, value);
	}
	
	/**
	 * hashSize
	 * @param hash
	 * @return
	 */
	public long hashSize(String hash) {
		return redisTemplate.opsForHash().size(hash);
	}
	
	/**
	 * hashExist
	 * @param hash
	 * @param key
	 * @return
	 */
	public boolean hashExist(String hash, String key) {
		return redisTemplate.opsForHash().hasKey(hash, key);
	}
}
</code>
===== RedisDto.java =====
<code java RedisDto.java>
package com.gxx.record.dto;
/**
 * <dl>
 *    <dt><b>Title:</b></dt>
 *    <dd>
 *    	用户传输对象
 *    </dd>
 *    <dt><b>Description:</b></dt>
 *    <dd>
 *    	<p>none
 *    </dd>
 * </dl>
 *
 * @author Administrator
 * @version 1.0, 2015年6月18日
 * @since record
 *
 */
public class RedisDto extends BaseDto {
    private String key;//键
    private String value;//值
	public String getKey() {
		return key;
	}
	public void setKey(String key) {
		this.key = key;
	}
	public String getValue() {
		return value;
	}
	public void setValue(String value) {
		this.value = value;
	}
}
</code>
===== RedisController.java =====
<code java RedisController.java>
package com.gxx.record.web.redis;

import javax.servlet.http.HttpServletRequest;

import org.apache.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;

import com.gxx.record.dto.RedisDto;
import com.gxx.record.service.RedisService;

/**
 * QueryAllocateController负责查询调拨
 * 
 * @author gxx
 */
@Controller
@RequestMapping("/redis/")
public class RedisController {
	/**
	 * 日志处理器
	 */
	private final Logger logger = Logger.getLogger(RedisController.class);
	
	@Autowired
	private RedisService redisService;
	
	@RequestMapping(value = "/preRedisFtl", method = RequestMethod.GET)
	public String preRedisFtl() {
		return "redis/preRedisFtl";
	}
	
	/**
	 * 设置
	 * @param request
	 * @param redisDto
	 * @return
	 */
	@RequestMapping(value = "/set",produces="application/json")
	public @ResponseBody RedisDto set(HttpServletRequest request, RedisDto redisDto) {
		logger.info("设置：键=[" + redisDto.getKey() + "]，值=[" + redisDto.getValue() + "]");
		/**
		 * 1.设置值
		 */
		boolean result = redisService.set(redisDto.getKey(), redisDto.getValue());
		/**
		 * 2.返回结果
		 */
		redisDto.setSuccess(result);
		redisDto.setMessage(result?"设置成功!":"设置失败!");
		return redisDto;
	}
	
	/**
	 * 获取值
	 * @param request
	 * @param redisDto
	 * @return
	 */
	@RequestMapping(value = "/get",produces="application/json")
	public @ResponseBody RedisDto get(HttpServletRequest request, RedisDto redisDto) {
		logger.info("获取值：键=[" + redisDto.getKey() + "]");
		/**
		 * 1.获取值
		 */
		String obj = (String)redisService.get(redisDto.getKey());
		/**
		 * 2.返回结果
		 */
		redisDto.setSuccess(true);
		redisDto.setMessage("获取成功");
		redisDto.setValue(obj);
		return redisDto;
	}
}
</code>
===== preRedisFtl.ftl =====
<code html preRedisFtl.ftl>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
	<head>
		<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
		<title>redis页面</title>
	</head>
	<body>
		<form action="/record/redis/set.htm" method="post">
			<table border="1">
				<tr><td>键：</td><td><input type="text" name="key"/></td></tr>
				<tr><td>值：</td><td><input type="text" name="value"/></td></tr>
				<tr><td colspan="2" align="center"><input type="submit" value="设置"/></td></tr>
			</table>
		</form>
		<form action="/record/redis/get.htm" method="post">
			<table border="1">
				<tr><td>键：</td><td><input type="text" name="key"/></td></tr>
				<tr><td colspan="2" align="center"><input type="submit" value="获取"/></td></tr>
			</table>
		</form>
	</body>
</html>
</code>
===== 演示 =====
{{ :分享:技术:redis:redis_1.png?300 |}}
{{ :分享:技术:redis:redis_2.png?300 |}}
{{ :分享:技术:redis:redis_3.png?300 |}}
{{ :分享:技术:redis:redis_4.png?300 |}}
<code>
127.0.0.1:6379> keys * #查看redis所有的key
1) "name"
2) "\xac\xed\x00\x05t\x00\x03age"
3) "\xac\xed\x00\x05t\x00\x04name"
4) "\xac\xed\x00\x05t\x00\bpassword"
5) "\xac\xed\x00\x05t\x00\amy_name" #这个为新增的
</code>