springboot使用Redis作缓存使用入门教程

1.依赖与数据库设置

<dependency>

<groupId>org.springframework.boot</groupId>

<artifactId>spring-boot-starter-data-redis</artifactId>

</dependency>

<dependency>

<groupId>org.apache.commons</groupId>

<artifactId>commons-pool2</artifactId>

</dependency>

<dependency>

<groupId>org.springframework.boot</groupId>

<artifactId>spring-boot-starter-web</artifactId>

</dependency>

<dependency>

<groupId>org.springframework.session</groupId>

<artifactId>spring-session-data-redis</artifactId>

</dependency>

<dependency>

<groupId>org.springframework.boot</groupId>

<artifactId>spring-boot-starter-test</artifactId>

<scope>test</scope>

</dependency>

spring.redis.database=0

spring.redis.host=localhost

spring.redis.port=6379

spring.redis.password=123 #自己的密码

spring.redis.lettuce.pool.max-active=8

spring.redis.lettuce.pool.max-wait=-1

spring.redis.lettuce.pool.max-idle=8

spring.redis.lettuce.pool.min-idle=0

2.redis和session配置

@Configuration

@EnableCaching

public class RedisConfig extends CachingConfigurerSupport{

@Bean

public KeyGenerator keyGenerator() {

return new KeyGenerator() {

@Override

public Object generate(Object target, Method method, Object... params) {

StringBuilder sb = new StringBuilder();

sb.append(target.getClass().getName());

sb.append(method.getName());

for (Object obj : params) {

sb.append(obj.toString());

}

return sb.toString();

}

};

}

}

@Configuration

@EnableRedisHttpSession(maxInactiveIntervalInSeconds = 86400*30)

public class SessionConfig {

}

3.实体与controller层

public class User implements Serializable {

private static final long serialVersionUID = 1L;

private Long id;

private String userName;

private String password;

private String email;

private String nickname;

private String regTime;

public User() {

super();

}

public User(String email, String nickname, String password, String userName, String regTime) {

super();

this.email = email;

this.nickname = nickname;

this.password = password;

this.userName = userName;

this.regTime = regTime;

}

public Long getId() {

return id;

}

public void setId(Long 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;

}

public String getEmail() {

return email;

}

public void setEmail(String email) {

this.email = email;

}

public String getNickname() {

return nickname;

}

public void setNickname(String nickname) {

this.nickname = nickname;

}

public String getRegTime() {

return regTime;

}

public void setRegTime(String regTime) {

this.regTime = regTime;

}

@Override

public String toString() {

return "User{" +

"id=" + id +

", userName='" + userName + '\'' +

", password='" + password + '\'' +

", email='" + email + '\'' +

", nickname='" + nickname + '\'' +

", regTime='" + regTime + '\'' +

'}';

}

}

@RestController

public class UserController {

@RequestMapping("/getUser")

@Cacheable(value="user-key")

public User getUser() {

User user=new User("aa@126.com", "aa", "aa123456", "aa","123");

System.out.println("测试缓存");

return user;

}

@RequestMapping("/uid")

String uid(HttpSession session) {

UUID uid = (UUID) session.getAttribute("uid");

if (uid == null) {

uid = UUID.randomUUID();

}

session.setAttribute("uid", uid);

return session.getId();

}

}

4.运行

@SpringBootApplication

public class RedisApplication {

public static void main(String[] args) {

SpringApplication.run(RedisApplication.class, args);

}

}

运行结果:

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同时也可以用专门的图形界面工具查看:

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