Java实现分布式锁-基于redisson(5)

redisson介绍

• Redisson是Redis官方推荐的Java版的Redis客户端。它提供的功能非常多，也非常强大，此处我们只用它的分布式锁功能。github.com/redisson/re…

代码部分

• pom.xml(spring项目)

 <dependency>
        <groupId>org.redisson</groupId>
        <artifactId>redisson</artifactId>
        <version>3.11.2</version>
   </dependency>

• pom.xml(spring boot项目)

 <dependency>
         <groupId>org.redisson</groupId>
         <artifactId>redisson-spring-boot-starter</artifactId>
         <version>3.11.2</version>
    </dependency>

• application.properties(spring boot项目)

spring.redis.host=

• RedissonLockController.java

import lombok.extern.slf4j.Slf4j;
import org.redisson.Redisson;
import org.redisson.api.RLock;
import org.redisson.api.RedissonClient;
import org.redisson.config.Config;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.concurrent.TimeUnit;

@RestController
public class RedissonLockController {
    @Autowired
    private RedissonClient redisson;

    @RequestMapping("redissonLock")
    public String redissonLock() {
        RLock rLock = redisson.getLock("order");
        try {
            rLock.lock(30, TimeUnit.SECONDS);
            Thread.sleep(10000);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }finally {
            rLock.unlock();
        }
        return "方法执行完成！！";
    }
}

• redisson.xml(spring项目)

<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:redisson="http://redisson.org/schema/redisson"
       xsi:schemaLocation="
       http://www.springframework.org/schema/beans
       http://www.springframework.org/schema/beans/spring-beans.xsd
       http://www.springframework.org/schema/context
       http://www.springframework.org/schema/context/spring-context.xsd
       http://redisson.org/schema/redisson
       http://redisson.org/schema/redisson/redisson.xsd
">

    <redisson:client>
        <redisson:single-server address="redis://ip:端口"/>
    </redisson:client>
</beans>

• RedissonLockApplication.java
  • 使用xml方法需要在main方法引入@ImportResource("classpath*:redisson.xml")

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.ImportResource;

@SpringBootApplication
@ImportResource("classpath*:redisson.xml")
public class RedissonLockApplication {

    public static void main(String[] args) {
        SpringApplication.run(RedissonLockApplication.class, args);
    }
}