[Redis学习笔记]-Spring 操作Redis

Spring 操作Redis

Spring操作Redis的主要基于RedisTemplate的操作，它是对Jedis的封装。

Maven新建一个Java工程

不会maven的可以百度一下。

引入依赖

<dependency>    <groupId>org.springframework</groupId>    <artifactId>spring-context</artifactId>    <version>4.3.12.RELEASE</version></dependency><dependency>    <groupId>org.springframework</groupId>    <artifactId>spring-test</artifactId>    <version>4.3.12.RELEASE</version></dependency><dependency>    <groupId>org.springframework</groupId>    <artifactId>spring-tx</artifactId>    <version>4.3.12.RELEASE</version></dependency><dependency>    <groupId>org.springframework</groupId>    <artifactId>spring-oxm</artifactId>    <version>4.3.12.RELEASE</version></dependency><dependency>    <groupId>org.springframework</groupId>    <artifactId>spring-context-support</artifactId>    <version>4.3.12.RELEASE</version></dependency><dependency>    <groupId>org.springframework.data</groupId>    <artifactId>spring-data-redis</artifactId>    <version>1.8.8.RELEASE</version></dependency><dependency>    <groupId>redis.clients</groupId>    <artifactId>jedis</artifactId>    <version>2.9.0</version></dependency><dependency>    <groupId>com.fasterxml.jackson.core</groupId>    <artifactId>jackson-databind</artifactId>    <version>2.9.2</version></dependency><dependency>    <groupId>commons-beanutils</groupId>    <artifactId>commons-beanutils</artifactId>    <version>1.9.3</version></dependency><dependency>    <groupId>junit</groupId>    <artifactId>junit</artifactId>    <version>4.12</version>    <scope>test</scope></dependency>

applicationContext.xml

Spring 配置文件

<!-- 指定扫描bean所在的根目录 -->    <context:component-scan base-package="me.spring.test" />    <!-- 使用注解注册spring bean -->    <context:annotation-config />    <!-- 导入redis配置文件 -->    <context:property-placeholder location="classpath:redis.properties" />    <!-- redis连接池配置 -->    <bean id="poolConfig" class="redis.clients.jedis.JedisPoolConfig">        <property name="maxIdle" value="${redis.maxIdle}" />        <property name="maxWaitMillis" value="${redis.maxWait}" />        <property name="testOnBorrow" value="${redis.testOnBorrow}" />    </bean>    <!-- redis连接工厂配置 -->    <bean id="connectionFactory"        class="org.springframework.data.redis.connection.jedis.JedisConnectionFactory">        <property name="hostName" value="${redis.host}" />        <property name="port" value="${redis.port}" />        <property name="password" value="${redis.pass}" />        <property name="timeout" value="${redis.timeout}"/>        <property name="poolConfig" ref="poolConfig" />    </bean>    <bean id="stringRedisSerializer" class="org.springframework.data.redis.serializer.StringRedisSerializer" />    <!-- redisTemplate -->    <bean id="redisTemplate" class="org.springframework.data.redis.core.RedisTemplate">        <property name="connectionFactory" ref="connectionFactory" />        <property name="keySerializer" ref="stringRedisSerializer" />        <property name="hashKeySerializer" ref="stringRedisSerializer" />    </bean>

redis.properties

Redis连接配置

redis.host=localhostredis.port=6379redis.pass=redis.maxIdle=600redis.maxActive=500redis.maxWait=1000redis.timeout=0redis.testOnBorrow=true

实体User

public class User  {    private Integer id;    private String username;    private String password;    public Integer getId() {        return id;    }    public void setId(Integer id) {        this.id = id;    }    public String getUsername() {        return username;    }    public void setUsername(String username) {        this.username = username;    }    public String getPassword() {        return password;    }    public void setPassword(String password) {        this.password = password;    }    @Override    public String toString() {        return "User [id=" + id + ", username=" + username + ", password="                + password + "]";    }}

测试

RedisTemplateTest

@RunWith(SpringRunner.class)@ContextConfiguration(locations = "classpath:applicationContext.xml")public class RedisTemplateTest {    @Autowired    private RedisTemplate<String, String> redisTemplate;    // 判断key是否存在    @Test    public void redisTemplateHasKeyTest() {        System.out.println(redisTemplate.hasKey("name"));    }    // 设置过期    @Test    public void redisTemplateExpireTest() {        redisTemplate.expire("name", 10, TimeUnit.SECONDS);    }    // 删除key    @Test    public void redisTemplateDeleteTest() {        redisTemplate.delete("name");    }    // 测试 ValueOperations    // ValueOperations 是对应Redis string类型    @Test    public void valueOperationsTest() {        ValueOperations<String, String> opsForValue = redisTemplate.opsForValue();        opsForValue.set("name", "zhangsan");        String string = opsForValue.get("name");        System.out.println(string);    }    // 测试 HashOperations    // HashOperations 是对应hash 类型    @Test    public void hashOperationsTest() {        HashOperations<String, Object, Object> opsForHash = redisTemplate.opsForHash();        opsForHash.put("user", "name", "zhangsan");        opsForHash.put("user", "age", "20");        System.out.println(opsForHash.entries("user"));    }    // 测试 ListOperations    // ListOperations 是对应List 类型    @Test    public void listOperationsTest() {        ListOperations<String, String> opsForList = redisTemplate.opsForList();        opsForList.leftPushAll("color", "red", "blue", "green");        opsForList        .range("color", 0, 10)        .stream()        .forEach(System.out::println);    }    @Test    public void setOperationsTest() {        SetOperations<String, String> opsForSet = redisTemplate.opsForSet();        opsForSet.add("pet", "dog");        opsForSet.add("pet", "cat");        opsForSet.add("pet", "fish");        opsForSet        .members("pet")        .stream()        .forEach(System.out::println);    }    @Test    public void zSetOperationsTest() {        ZSetOperations<String, String> opsForZSet = redisTemplate.opsForZSet();        opsForZSet.add("zsetkey", "zsetvalue1", 1);        opsForZSet.add("zsetkey", "zsetvalue2", 1);        opsForZSet.add("zsetkey", "zsetvalue3", 1);        opsForZSet.add("zsetkey", "zsetvalue4", 1);        opsForZSet        .rangeByScore("zsetkey", 0, 100)        .stream()        .forEach(System.out::println);    }}

OperationsTest

@RunWith(SpringJUnit4ClassRunner.class)@ContextConfiguration(locations = "classpath:applicationContext.xml")public class OperationsTest {    @Autowired    private RedisTemplate redisTemplate;    // 注入RedisTemplate为ValueOperations    @Resource(name = "redisTemplate")    private ValueOperations<String, String> opsForValue;    // 注入RedisTemplate为ListOperations    @Resource(name = "redisTemplate")    private ListOperations<String, String> opsForList;    // 注入RedisTemplate为HashOperations    @Resource(name = "redisTemplate")    private HashOperations<String, String, String> opsForHash;    // 注入RedisTemplate为SetOperations    @Resource(name = "redisTemplate")    private SetOperations<String, String> opsForSet;    // 注入RedisTemplate为ZSetOperations    @Resource(name = "redisTemplate")    private ZSetOperations<String, String> opsForZSet;    @Test    public void hashOperationsTest() {        opsForHash.put("key1", "hkey", "hvalue");        String value = opsForHash.get("key1", "hkey");        System.out.println(value);    }    // 使用BeanUtilsHashMapper转换实体bean,BeanUtilsHashMapper依赖commons-beanutils    @Test    public void beanUtilsHashMapperTest() {        // put        BeanUtilsHashMapper<User> mapper = new BeanUtilsHashMapper<>(User.class);        User user = new User();        user.setId(1);        user.setUsername("admin");        user.setPassword("123456");        Map<String, String> hash = mapper.toHash(user);        opsForHash.putAll("user", hash);        // get        Map<String, String> entries = opsForHash.entries("user");        User user2 = mapper.fromHash(entries);        System.out.println(user2);    }    // 使用Jackson2HashMapper 转换实体bean    @Test    public void jackson2HashMapperTest() {        //put        redisTemplate.setHashValueSerializer(new Jackson2JsonRedisSerializer<>(Object.class));        Jackson2HashMapper mapper = new Jackson2HashMapper(true);        HashOperations<String, String, Object> opsForHash = redisTemplate.opsForHash();        User user = new User();        user.setId(1);        user.setUsername("admin");        user.setPassword("123456");        Map<String, Object> hash = mapper.toHash(user);        opsForHash.putAll("user", hash);        //get        Map<String, Object> entries = opsForHash.entries("user");        User getUser = (User) mapper.fromHash(entries);        System.out.println(getUser);    }    @Test    public void valueOperationsTest() {        opsForValue.set("vkey", "vvalue");        String string = opsForValue.get("vkey");        System.out.println(string);    }    //测试 Jackson2JsonRedisSerializer，它使用Jackson将实体bean转换为json    @Test    public void jackson2JsonRedisSerializerTest() {        //set        redisTemplate.setValueSerializer(new Jackson2JsonRedisSerializer<>(User.class));        ValueOperations<String, User> opsForValue = redisTemplate.opsForValue();        User user = new User();        user.setId(1);        user.setUsername("admin");        user.setPassword("123456");        opsForValue.set("user", user);        // get        User getUser = opsForValue.get("user");        System.out.println(getUser);    }    @Test    public void listOperationsTest() {        opsForList.leftPush("list", "value1");        opsForList.leftPushAll("list", "value2", "value3");        opsForList        .range("list", 0, 10)        .stream()        .forEach(System.out::println);    }    @Test    public void setOperationsTest() {        opsForSet.add("set1", "value1");        opsForSet.add("set1", "value2");        opsForSet.add("set1", "value3");        opsForSet        .members("set1")        .stream()        .forEach(System.out::println);    }    @Test    public void testZSetOperationsWrite() {        opsForZSet.add("zsetkey", "zsetvalue1", 1);        opsForZSet.add("zsetkey", "zsetvalue2", 1);        opsForZSet.add("zsetkey", "zsetvalue3", 1);        opsForZSet.add("zsetkey", "zsetvalue4", 1);        opsForZSet        .rangeByScore("zsetkey", 0, 100)        .stream()        .forEach(System.out::println);    }}

以上均测试通过。