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   | package com.coder.lion.demo.utils;
  import org.springframework.beans.factory.annotation.Autowired; import org.springframework.data.redis.core.RedisTemplate; import org.springframework.stereotype.Component;
  import java.util.concurrent.TimeUnit;
  @Component public class RedisUtils {
      @Autowired     private RedisTemplate<String, String> redisTemplate;
      
 
 
 
 
      public String get(final String key) {         return redisTemplate.opsForValue().get(key);     }
      
 
      public boolean set(final String key, String value) {         boolean result = false;         try {             redisTemplate.opsForValue().set(key, value);             result = true;         } catch (Exception e) {             e.printStackTrace();         }         return result;     }
      
 
 
 
 
 
 
 
      public boolean set(final String key, String value, long timeout, TimeUnit unit) {         boolean result = false;         try {             redisTemplate.opsForValue().set(key, value, timeout, unit);             result = true;         } catch (Exception e) {             e.printStackTrace();         }         return result;     }
      
 
      public boolean getAndSet(final String key, String value) {         boolean result = false;         try {             redisTemplate.opsForValue().getAndSet(key, value);             result = true;         } catch (Exception e) {             e.printStackTrace();         }         return result;     }
      
 
      public boolean delete(final String key) {         boolean result = false;         try {             redisTemplate.delete(key);             result = true;         } catch (Exception e) {             e.printStackTrace();         }         return result;     } }
   |