maven+ssm+redis配置demo

前言：菜鸡一枚，本来想把redis配置在aop中，结果aop一直没配置好，只好把redis部分写到service层。

希望大家有问题或者有什么改进的能给我留言。

pom文件，由于参考了很多网上的方法，可能有些包根本没用到。

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion>

<groupId>com.test</groupId>
<artifactId>demo</artifactId>
<version>1.0-SNAPSHOT</version>
<url>http://maven.apache.org</url>

<!-- 用来设置版本号 -->
<properties>
<srping.version>4.0.2.RELEASE</srping.version>
<mybatis.version>3.2.8</mybatis.version>
<slf4j.version>1.7.12</slf4j.version>
<log4j.version>1.2.17</log4j.version>
</properties>
<!-- 用到的jar包 -->
<dependencies>
<!-- 单元测试 -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
<!-- 表示开发的时候引入，发布的时候不会加载此包 -->
<scope>test</scope>
</dependency>
<!-- java ee包 -->
<dependency>
<groupId>javax</groupId>
<artifactId>javaee-api</artifactId>
<version>7.0</version>
</dependency>
<!-- spring框架包 start -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${srping.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>${srping.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-oxm</artifactId>
<version>${srping.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>${srping.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>${srping.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aop</artifactId>
<version>${srping.version}</version>
</dependency>
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjweaver</artifactId>
<version>1.8.10</version>
</dependency>
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjrt</artifactId>
<version>1.6.8</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${srping.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context-support</artifactId>
<version>${srping.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-expression</artifactId>
<version>${srping.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-orm</artifactId>
<version>${srping.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>${srping.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${srping.version}</version>
</dependency>
<!-- spring框架包 end -->
<!-- mybatis框架包 start -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>${mybatis.version}</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.2.2</version>
</dependency>
<!-- mybatis框架包 end -->
<!-- 数据库驱动 -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.35</version>
</dependency>
<!-- 导入dbcp的jar包，用来在applicationContext.xml中配置数据库 -->
<dependency>
<groupId>commons-dbcp</groupId>
<artifactId>commons-dbcp</artifactId>
<version>1.4</version>
</dependency>
<!-- jstl标签类 -->
<dependency>
<groupId>jstl</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<!-- log start -->
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>${log4j.version}</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>${slf4j.version}</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>${slf4j.version}</version>
</dependency>
<!-- log END -->
<!-- Json  -->
<!-- 格式化对象，方便输出日志 -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>1.2.6</version>
</dependency>
<dependency>
<groupId>org.codehaus.jackson</groupId>
<artifactId>jackson-mapper-asl</artifactId>
<version>1.9.13</version>
</dependency>
<!-- 上传组件包 start -->
<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>1.3.1</version>
</dependency>
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>2.4</version>
</dependency>
<dependency>
<groupId>commons-codec</groupId>
<artifactId>commons-codec</artifactId>
<version>1.10</version>
</dependency>
<!-- Redis 相关依赖  -->
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-redis</artifactId>
<version>1.6.1.RELEASE</version>
</dependency>
<dependency>
<groupId>redis.clients</groupId>
<artifactId>jedis</artifactId>
<version>2.7.3</version>
</dependency>
<!-- 上传组件包 end -->
</dependencies>
<build>
<finalName>demo</finalName>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>

<!--jetty插件-->
<plugin>
<groupId>org.mortbay.jetty</groupId>
<artifactId>maven-jetty-plugin</artifactId>
<configuration>
<stopPort>9988</stopPort>
<stopKey>foo</stopKey>
<scanIntervalSeconds>5</scanIntervalSeconds>
<connectors>
<!--<connector implementation="org.eclipse.jetty.server.nio.SelectChannelConnector">-->
<connector implementation="org.mortbay.jetty.nio.SelectChannelConnector">
<port>8080</port>
<maxIdleTime>60000</maxIdleTime>
</connector>
</connectors>
<webAppConfig>
<contextPath>/</contextPath>
<defaultsDescriptor></defaultsDescriptor>
</webAppConfig>
</configuration&
1b5d8
gt;
</plugin>

</plugins>
</build>

</project>

spring配置，网上找的大神的配置，照搬过来的

applicationContext.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd"> 
<!-- 使用注解式注入 -->
<context:annotation-config />

<!-- 自动扫描 -->
<context:component-scan base-package="com.chillax" />

<!-- 导入DAO配置 -->
<import resource="spring-dao.xml"/>

<!-- 导入数据库配置 -->
<import resource="spring-db.xml"/>

<!-- 导入数据库配置 -->
<import resource="spring-tx.xml"/>

<!--<!– 导入aop配置 –>-->
<!--<import resource="spring-aop.xml"/>-->

</beans>

spring-dao.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd"> 
<!-- DAO接口所在包名，Spring会自动查找其下的类 -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<!--basePackage指定要扫描的包，在此包之下的映射器都会被搜索到。
可指定多个包，包与包之间用逗号或分号分隔-->
<property name="basePackage" value="com.chillax.dao" />
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>
</bean>

</beans>

spring-db.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd"> 
<!-- 引入配置文件 -->
<bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="location" value="classpath:jdbc.properties" />
</bean>

<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
<property name="driverClassName" value="${driver}" />
<property name="url" value="${url}" />
<property name="username" value="${username}" />
<property name="password" value="${password}" />
<!-- 初始化连接大小 -->
<property name="initialSize" value="${initialSize}"></property>
<!-- 连接池最大数量 -->
<property name="maxActive" value="${maxActive}"></property>
<!-- 连接池最大空闲 -->
<property name="maxIdle" value="${maxIdle}"></property>
<!-- 连接池最小空闲 -->
<property name="minIdle" value="${minIdle}"></property>
<!-- 获取连接最大等待时间 -->
<property name="maxWait" value="${maxWait}"></property>
</bean>

<!-- spring和MyBatis完美整合，不需要mybatis的配置映射文件 -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<!-- 自动扫描mapping.xml文件 -->
<property name="mapperLocations" value="classpath:mapper/*.xml"></property>
</bean>
</beans>

spring-tx.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd"> 
<!-- (事务管理)transaction manager, use JtaTransactionManager for global tx -->
<bean id="transactionManager"
class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource" />
</bean>

</beans>

spring-mvc.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd"> 
<!--避免IE执行AJAX时，返回JSON出现下载文件 -->
<bean id="mappingJacksonHttpMessageConverter"
class="org.springframework.http.converter.json.MappingJacksonHttpMessageConverter">
<property name="supportedMediaTypes">
<list>
<value>text/html;charset=UTF-8</value>
</list>
</property>
</bean>

<!-- 添加注解驱动 -->
<mvc:annotation-driven />
<mvc:default-servlet-handler/>

<!-- 设置使用注解的类所在的包 -->
<context:component-scan base-package="com.chillax.controller" />

<!-- 完成请求和注解POJO的映射 -->
<bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">
<property name="messageConverters">
<list>
<ref bean="mappingJacksonHttpMessageConverter" /> <!-- JSON转换器 -->
</list>
</property>
</bean>

<!-- 定义跳转的文件的前后缀 ，视图模式配置-->
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<!-- 这里的配置我的理解是自动给后面action的方法return的字符串加上前缀和后缀，变成一个 可用的url地址 -->
<property name="prefix" value="/WEB-INF/jsp/" />
<property name="suffix" value=".jsp" />
</bean>

<!-- SpringMVC上传文件时，需要配置MultipartResolver处理器-->
<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
<!-- 默认编码 -->
<property name="defaultEncoding" value="utf-8" />
<!-- 文件大小最大值 -->
<property name="maxUploadSize" value="10485760000" />
<!-- 内存中的最大值 -->
<property name="maxInMemorySize" value="40960" />
</bean>

</beans>

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://java.sun.com/xml/ns/javaee"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" version="3.0">
<display-name>Archetype Created Web Application</display-name>

<welcome-file-list>
<welcome-file>/index.jsp</welcome-file>
</welcome-file-list>

<!-- 加载spring bean -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:applicationContext.xml</param-value>
</context-param>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>

<!-- 编码过滤器 -->
<filter>
<filter-name>encodingFilter</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<async-supported>true</async-supported>
<init-param>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>encodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>

<!-- Spring MVC servlet -->
<servlet>
<servlet-name>SpringMVC</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/spring-mvc.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
<async-supported>true</async-supported>
</servlet>
<servlet-mapping>
<servlet-name>SpringMVC</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>

</web-app>

jsp页面

<%@ page language="java"  pageEncoding="utf-8"%>
<html>
<script src="jquery-1.6.3.js">
</script>
<body>
<h2>Hello World!</h2>
<table id="table">
</table>
<input type="text" name="id" id="id"/>
<button type="button" onclick="select()">查找</button>

<script>
function select() {
var id = $("#id").val();
$.ajax({
method: "post",
url: "user/selectuser",
data: {id: id},
datatype: "json",
success: function (e) {
console.log(e);
}
});
}
$(function () {
$.ajax({
method:"post",
url:"user/userList",
datatype:"json",
success:function (e) {
for(var i=0;i<e.length;i++) {
var table=document.getElementById("table");
var row=table.insertRow();
var cell=row.insertCell(0);
cell.innerHTML="<td>"+e[i].id+"</td>"
cell=row.insertCell(1);
cell.innerHTML="<td>"+e[i].name+"</td>"
cell=row.insertCell(2);
cell.innerHTML="<td>"+e[i].password+"</td>"
cell=row.insertCell(3);
cell.innerHTML="<td>"+e[i].age+"</td>"
}
}
})
})

</script>
</body>

</html>

jdbc.properties

driver=com.mysql.jdbc.Driver
url=jdbc:mysql://127.0.0.1:3306/test
username=sr
password=123456
#定义初始连接数
initialSize=0
#定义最大连接数
maxActive=20
#定义最大空闲
maxIdle=20
#定义最小空闲
minIdle=1
#定义最长等待时间
maxWait=60000

log4j.properties(还是贴出来吧，这个日志貌似没用到）

#定义LOG输出级别
log4j.rootLogger=INFO,Console,File
#定义日志输出目的地为控制台
log4j.appender.Console=org.apache.log4j.ConsoleAppender
log4j.appender.Console.Target=System.out
#可以灵活地指定日志输出格式，下面一行是指定具体的格式
log4j.appender.Console.layout = org.apache.log4j.PatternLayout
log4j.appender.Console.layout.ConversionPattern=[%c] - %m%n

#文件大小到达指定尺寸的时候产生一个新的文件
log4j.appender.File = org.apache.log4j.RollingFileAppender
#指定输出目录
log4j.appender.File.File = logs/ssm.log
#定义文件最大大小
log4j.appender.File.MaxFileSize = 10MB
# 输出所以日志，如果换成DEBUG表示输出DEBUG以上级别日志
log4j.appender.File.Threshold = ALL
log4j.appender.File.layout = org.apache.log4j.PatternLayout
log4j.appender.File.layout.ConversionPattern =[%p] [%d{yyyy-MM-dd HH\:mm\:ss}][%c]%m%n

usercontroller

package com.chillax.controller;

import java.util.List;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;

import com.alibaba.fastjson.JSON;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;

import com.chillax.dto.User;
import com.chillax.service.IUserService;
import org.springframework.web.bind.annotation.ResponseBody;

@Controller
@RequestMapping("/user")
public class UserController {
@Resource
private IUserService userService;

@ResponseBody
@RequestMapping("/userList")
public Object userList(){
List<User> uList = userService.getAllUser();
return JSON.toJSON(uList);
}
@ResponseBody
@RequestMapping("/selectuser")
public Object select(HttpServletRequest request){
int id=Integer.parseInt(request.getParameter("id"));
return JSON.toJSON(userService.getUserById(id));
}
}

IUserService

package com.chillax.service;

import java.util.List;

import com.chillax.dto.User;

public interface IUserService {

public User getUserById(int userId);

public List<User> getAllUser();
}

UserServiceImpl

package com.chillax.service.Impl;

import java.util.List;

import javax.annotation.Resource;

import com.chillax.redis.RedisClient;
import org.springframework.stereotype.Service;

import com.chillax.dao.IUserDao;
import com.chillax.dto.User;
import com.chillax.service.IUserService;

@Service("userService")
public class UserServiceImpl implements IUserService {
@Resource
private IUserDao userDao;
static private RedisClient redisClient=new RedisClient();
public User getUserById(int userId) {
User user = (User) redisClient.get(userId+"");
if(user==null) {
user = userDao.queryByPrimaryKey(userId);
redisClient.set(userId+"",user);
}
return user;
}
@Override
public List<User> getAllUser() {
return userDao.getAllUser();
}

}

IUserDao

package com.chillax.dao;

import java.util.List;
import java.util.Map;

import com.chillax.dto.User;

public interface IUserDao {

public User queryByPrimaryKey(Integer id);

public List<User> queryUserByBatch(Map<String,Object> params);

public void insertUser(User user);

public void insertUserByBatch(List<User> list);

public void deleteByPrimaryKey(Integer id);

public void delteUserByBatch(Map<String,Object> params);

public void updateByPrimaryKey(Integer id);

public List<User> getAllUser();

}

UserMapper.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
<mapper namespace="com.chillax.dao.IUserDao" >
<resultMap id="BaseResultMap" type="com.chillax.dto.User">
<result column="id" property="id" jdbcType="INTEGER" />
<result column="name" property="name" jdbcType="VARCHAR" />
<result column="password" property="password" jdbcType="VARCHAR" />
<result column="age" property="age" jdbcType="INTEGER" />
</resultMap>

<sql id="Base_Column_List">
id, name, password, age
</sql>

<!-- 查询用户-->
<select id="queryByPrimaryKey" resultMap="BaseResultMap"
parameterType="java.lang.Integer">
select
<include refid="Base_Column_List" />
from user
where id = #{id,jdbcType=INTEGER}
</select>

<!-- 查询用户-->
<select id="getAllUser" resultMap="BaseResultMap">
select
<include refid="Base_Column_List" />
from user
</select>

<!-- 批量查询用户-->
<select id="queryUserByBatch" resultMap="BaseResultMap"
parameterType="java.util.Map">
select
<include refid="Base_Column_List" />
from user
where id in
<foreach collection="idList" item="userId" index="index" open="(" separator="," close=")">
#{userId,jdbcType=DECIMAL}
</foreach>
</select>

<!-- 插入用户 -->
<insert id="insertUser" parameterType="com.chillax.dto.User">
insert into user
<trim prefix="(" suffix=")" suffixOverrides="," >
<if test="id != null" >
id,
</if>
<if test="name != null" >
name,
</if>
<if test="password != null" >
password,
</if>
<if test="age != null" >
age,
</if>
</trim>
<trim prefix="values (" suffix=")" suffixOverrides="," >
<if test="id != null" >
#{id,jdbcType=INTEGER},
</if>
<if test="name != null" >
#{name,jdbcType=VARCHAR},
</if>
<if test="password != null" >
#{password,jdbcType=VARCHAR},
</if>
<if test="age != null" >
#{age,jdbcType=INTEGER},
</if>
</trim>
</insert>

<!-- 批量插入用户 -->
<insert id="insertUserByBatch" parameterType="java.util.List" >
insert into USER
(ID,
NAME,
PASSWORD,
AGE)
select A.* from
(
<foreach collection="list" item="user" index="index" separator="union">
select
#{user.id,jdbcType=INTEGER},
#{user.name,jdbcType=VARCHAR},
#{user.password,jdbcType=VARCHAR},
#{user.age,jdbcType=INTEGER}
from dual
</foreach>
) A
</insert>

<!-- 删除用户 -->
<delete id="deleteByPrimaryKey" parameterType="java.lang.Integer">
delete from user
where id = #{id,jdbcType=INTEGER}
</delete>

<!-- 批量删除用户 -->
<delete id="deleteUserByBatch" parameterType="java.util.Map" >
delete from user
where id IN
<foreach item="ids" collection="iList" open="(" separator="," close=")">
#{ids,jdbcType=DECIMAL}
</foreach>
</delete>

<!-- 更新用户 -->
<update id="updateByPrimaryKey" parameterType="com.chillax.dto.User" >
update user
<set >
<if test="name != null" >
name = #{name,jdbcType=VARCHAR},
</if>
<if test="password != null" >
password = #{password,jdbcType=VARCHAR},
</if>
<if test="age != null" >
age = #{age,jdbcType=INTEGER},
</if>
</set>
where id = #{id,jdbcType=INTEGER}
</update>

</mapper>

实体类User；注意一定要实现Serializable接口

package com.chillax.dto;

import java.io.Serializable;

public class User implements Serializable{
private Integer id;

private String name;

private String password;

private Integer age;

public Integer getId() {
return id;
}

public void setId(Integer id) {
this.id = id;
}

public String getName() {
return name;
}

public void setName(String name) {
this.name = name;
}

public String getPassword() {
return password;
}

public void setPassword(String password) {
this.password = password == null ? null : password.trim();
}

public Integer getAge() {
return age;
}

public void setAge(Integer age) {
this.age = age;
}
}

RedisClient

package com.chillax.redis;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Set;

import com.chillax.dto.User;
import com.chillax.util.SerializeUtil;
import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisPool;
import redis.clients.jedis.JedisPoolConfig;
import redis.clients.jedis.JedisShardInfo;
import redis.clients.jedis.ShardedJedis;
import redis.clients.jedis.ShardedJedisPool;
import redis.clients.jedis.SortingParams;

public class RedisClient {

private Jedis jedis;//非切片额客户端连接
private JedisPool jedisPool;//非切片连接池
private ShardedJedis shardedJedis;//切片额客户端连接
private ShardedJedisPool shardedJedisPool;//切片连接池

public RedisClient()
{
initialPool();
initialShardedPool();
shardedJedis = shardedJedisPool.getResource();
jedis = jedisPool.getResource();
}

/**
* 初始化非切片池
*/
private void initialPool()
{
// 池基本配置
JedisPoolConfig config = new JedisPoolConfig();
//        config.setMaxActive(20);
config.setMaxIdle(5);
//        config.setMaxWait(1000l);
config.setTestOnBorrow(false);
jedisPool = new JedisPool(config,"127.0.0.1",6379);
}

/**
* 初始化切片池
*/
private void initialShardedPool()
{
// 池基本配置
JedisPoolConfig config = new JedisPoolConfig();
//        config.setMaxActive(20);
config.setMaxIdle(5);
//        config.setMaxWait(1000l);
config.setTestOnBorrow(false);
// slave链接
List<JedisShardInfo> shards = new ArrayList<JedisShardInfo>();
shards.add(new JedisShardInfo("127.0.0.1", 6379, "master"));

// 构造池
shardedJedisPool = new ShardedJedisPool(config, shards);
}

public void show() {
KeyOperate();

//        add();
//        StringOperate();
//        ListOperate();
//        SetOperate();
//        SortedSetOperate();
//        HashOperate();
jedisPool.returnResource(jedis);
shardedJedisPool.returnResource(shardedJedis);
}
public Object get(String key){
System.out.println("从redis中获取");
if(shardedJedis.exists(key.getBytes())){
return SerializeUtil.unserialize(shardedJedis.get(key.getBytes()));
}else{
return null;
}
}
public void set(String key,Object object){
System.out.println("存放到redis");
shardedJedis.set(key.getBytes(),SerializeUtil.serialize(object));
}
private void add(){
User user=new User();
user.setId(2);
user.setAge(1);
user.setName("hah");
user.setPassword("123");
shardedJedis.set("5".getBytes(),SerializeUtil.serialize(user));
System.out.println("系统中所有键如下：");
Set<String> keys = jedis.keys("*");
Iterator<String> it=keys.iterator() ;
while(it.hasNext()){
String k = it.next();
System.out.println(k);
}
}
private void KeyOperate()
{
System.out.println("======================key==========================");
System.out.println("系统中所有键如下：");
Set<String> keys = jedis.keys("*");
Iterator<String> it=keys.iterator() ;
while(it.hasNext()){
String key = it.next();
System.out.println(key);
}
// 清空数据
//        System.out.println("清空库中所有数据："+jedis.flushDB());
//        // 判断key否存在
//        System.out.println("判断key999键是否存在："+shardedJedis.exists("key999"));
//        System.out.println("新增key001,value001键值对："+shardedJedis.set("key001", "value001"));
//        System.out.println("判断key001是否存在："+shardedJedis.exists("key001"));
//        // 输出系统中所有的key
//        System.out.println("新增key002,value002键值对："+shardedJedis.set("key002", "value002"));
//
//        // 删除某个key,若key不存在，则忽略该命令。
//        System.out.println("系统中删除key002: "+jedis.del("key002"));
//        System.out.println("判断key002是否存在："+shardedJedis.exists("key002"));
//        // 设置 key001的过期时间
//        System.out.println("设置 key001的过期时间为5秒:"+jedis.expire("key001", 5));
//        try{
//            Thread.sleep(2000);
//        }
//        catch (InterruptedException e){
//        }
//        // 查看某个key的剩余生存时间,单位【秒】.永久生存或者不存在的都返回-1
//        System.out.println("查看key001的剩余生存时间："+jedis.ttl("key001"));
//        // 移除某个key的生存时间
//        System.out.println("移除key001的生存时间："+jedis.persist("key001"));
//        System.out.println("查看key001的剩余生存时间："+jedis.ttl("key001"));
//        // 查看key所储存的值的类型
//        System.out.println("查看key所储存的值的类型："+jedis.type("key001"));
/*
* 一些其他方法：1、修改键名：jedis.rename("key6", "key0");
*             2、将当前db的key移动到给定的db当中：jedis.move("foo", 1)
*/
}
}
class   Main{
public static void main(String[] args) {
// TODO Auto-generated method stub
new RedisClient().show();
}
}

序列化工具SerizlizeUtil

package com.chillax.util;

import java.io.*;

public class SerializeUtil implements Serializable{
public static byte[] serialize(Object object) {
ObjectOutputStream oos = null;
ByteArrayOutputStream baos = null;
try {
//序列化
baos = new ByteArrayOutputStream();
oos = new ObjectOutputStream(baos);
oos.writeObject(object);
byte[] bytes = baos.toByteArray();
return bytes;
} catch (Exception e) {
e.printStackTrace();
return null;
}
}

public static Object unserialize(byte[] bytes) {
ByteArrayInputStream bais = null;
try {
//反序列化
bais = new ByteArrayInputStream(bytes);
ObjectInputStream ois = new ObjectInputStream(bais);
return ois.readObject();
} catch (Exception e) {
return null;
}
}
}