SpringBoot整合Caffeine实现本地缓存的实践分享

	<dependency>
		<groupId>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter-cache</artifactId>
	</dependency>
     <dependency>
        <groupId>com.github.ben-manes.caffeine</groupId>
        <artifactId>caffeine</artifactId>
        <version>2.5.5</version>
    </dependency>
 

spring.cache.type=caffeine
spring.cache.caffeine.spec=initialCapacity=10,maximumSize=200,expireAfterWrite=30s

import org.springframework.cache.annotation.CacheEvict;
import org.springframework.cache.annotation.CachePut;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
 
import java.time.LocalDateTime;
 
/**
 * @author HuangBen 
 */
@RestController
@RequestMapping("/cache")
public class CachController {
 
    @Cacheable(value = "data",key = "#s")
    @GetMapping("/get")
    public String getData(String s){
        LocalDateTime now = LocalDateTime.now();
        String time = now.toString();
        System.out.println("查询到数据："+ time);
        return " 查询到数据 ：" + time;
 
    }
 
    @CachePut(value = "data",key = "#s")
    @GetMapping("/put")
    public String putData(String s){
        LocalDateTime now = LocalDateTime.now();
        String time = now.toString();
        System.out.println("存储数据："+ time);
        return " 存储数据 ：" + time;
 
    }
 
    @CacheEvict(value = "data",key = "#s")
    @PostMapping("/rem")
    public String remData(String s){
        LocalDateTime now = LocalDateTime.now();
        String time = now.toString();
        System.out.println("清除数据 ："+time);
        return " 清除数据 ：" + time;
    }
 
}