修改bug

Pu Zhibing

昨天 c3b7673c16d026e57f8759b4cee99a42bf3c57f2

 DriverZYTravel/guns-admin/src/main/java/com/stylefeng/guns/modular/system/util/RedisUtil.java

@@ -7,6 +7,8 @@
import org.springframework.stereotype.Component;
import org.springframework.util.StringUtils;
import java.util.*;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;


@@ -18,6 +20,8 @@
    
    @Autowired
    private RedisTemplate redisTemplate;

    private final Map<String, ScheduledExecutorService> LOCK_TASK_MAP = new HashMap<>();
    
    
    
@@ -71,64 +75,67 @@
            redisTemplate.delete(key);
        }
    }
    
    
    
    
    
    
    



    /**
     * redis加锁
     * 加锁
     * @param key
     * @param value
     * @param time
     * @return
     */
    public boolean lock(String key, String value, int time){
        if(!StringUtils.isEmpty(key)){
            key += "_lock";
            return redisTemplate.opsForValue().setIfAbsent(key, value);
    public boolean lock(String key, long keepTime, long time){
        ScheduledExecutorService scheduledExecutorService = LOCK_TASK_MAP.get(key);
        if(null == scheduledExecutorService || scheduledExecutorService.isTerminated()){
            unlock(key);
        }
        keepTime *= 1000;
        Boolean ifAbsent = redisTemplate.opsForValue().setIfAbsent(key, UUIDUtil.getRandomCode());
        if(ifAbsent){
            return addLockMap(key, time);
        }
        long timeMillis = System.currentTimeMillis();
        while (timeMillis + keepTime > System.currentTimeMillis()){
            ifAbsent = redisTemplate.opsForValue().setIfAbsent(key, UUIDUtil.getRandomCode());
            if(ifAbsent){
                return addLockMap(key, time);
            }
            try {
                Thread.sleep(100);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
        return false;
    }
    
    /**
     * 获取redis锁
     * @param time
     * @return
     */
    public boolean lock(int time){
        String uuid = UUID.randomUUID().toString();
        return lock("redis", uuid, time);


    private boolean addLockMap(String key, long time){
        ScheduledExecutorService scheduledExecutorService = LOCK_TASK_MAP.get(key);
        if(null == scheduledExecutorService){
            scheduledExecutorService = Executors.newScheduledThreadPool(1);
        }
        LOCK_TASK_MAP.put(key, scheduledExecutorService);
        scheduledExecutorService.schedule(()->{
            redisTemplate.delete(key);
            LOCK_TASK_MAP.remove(key);
        }, time, TimeUnit.SECONDS);
        return true;
    }
    
    
    public boolean lock(String key, int time){
        String uuid = UUID.randomUUID().toString();
        return lock(key, uuid, time);
    }
    
    


    /**
     * redis释放锁
     * @param key
     * @return
     */
    public boolean unlock(String key){
        if(!StringUtils.isEmpty(key)){
            key += "_lock";
            return redisTemplate.delete(key);
        redisTemplate.delete(key);
        ScheduledExecutorService scheduledExecutorService = LOCK_TASK_MAP.get(key);
        if(null != scheduledExecutorService){
            scheduledExecutorService.shutdownNow();
        }
        return false;
    }
    
    /**
     * 删除锁
     * @return
     */
    public boolean unlock(){
        return unlock("redis");
        LOCK_TASK_MAP.remove(key);
        return true;
    }