完成后端移除Redis改造
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@@ -1,22 +1,18 @@
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package com.ruoyi.framework.aspectj;
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import java.lang.reflect.Method;
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import java.util.Collections;
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import java.util.List;
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import java.util.concurrent.TimeUnit;
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import org.aspectj.lang.JoinPoint;
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import org.aspectj.lang.annotation.Aspect;
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import org.aspectj.lang.annotation.Before;
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import org.aspectj.lang.reflect.MethodSignature;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.data.redis.core.RedisTemplate;
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import org.springframework.data.redis.core.script.RedisScript;
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import org.springframework.stereotype.Component;
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import com.ruoyi.common.annotation.RateLimiter;
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import com.ruoyi.common.core.redis.RedisCache;
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import com.ruoyi.common.enums.LimitType;
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import com.ruoyi.common.exception.ServiceException;
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import com.ruoyi.common.utils.StringUtils;
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import com.ruoyi.common.utils.ip.IpUtils;
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/**
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@@ -30,20 +26,11 @@ public class RateLimiterAspect
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{
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private static final Logger log = LoggerFactory.getLogger(RateLimiterAspect.class);
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private RedisTemplate<Object, Object> redisTemplate;
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private final RedisCache redisCache;
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private RedisScript<Long> limitScript;
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@Autowired
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public void setRedisTemplate1(RedisTemplate<Object, Object> redisTemplate)
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public RateLimiterAspect(RedisCache redisCache)
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{
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this.redisTemplate = redisTemplate;
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}
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@Autowired
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public void setLimitScript(RedisScript<Long> limitScript)
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{
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this.limitScript = limitScript;
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this.redisCache = redisCache;
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}
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@Before("@annotation(rateLimiter)")
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@@ -53,15 +40,14 @@ public class RateLimiterAspect
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int count = rateLimiter.count();
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String combineKey = getCombineKey(rateLimiter, point);
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List<Object> keys = Collections.singletonList(combineKey);
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try
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{
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Long number = redisTemplate.execute(limitScript, keys, count, time);
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if (StringUtils.isNull(number) || number.intValue() > count)
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long number = redisCache.increment(combineKey, time, TimeUnit.SECONDS);
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if (number > count)
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{
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throw new ServiceException("访问过于频繁,请稍候再试");
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}
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log.info("限制请求'{}',当前请求'{}',缓存key'{}'", count, number.intValue(), combineKey);
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log.info("限制请求'{}',当前请求'{}',缓存key'{}'", count, number, combineKey);
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}
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catch (ServiceException e)
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{
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@@ -1,52 +0,0 @@
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package com.ruoyi.framework.config;
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import java.nio.charset.Charset;
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import org.springframework.data.redis.serializer.RedisSerializer;
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import org.springframework.data.redis.serializer.SerializationException;
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import com.alibaba.fastjson2.JSON;
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import com.alibaba.fastjson2.JSONReader;
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import com.alibaba.fastjson2.JSONWriter;
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import com.alibaba.fastjson2.filter.Filter;
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import com.ruoyi.common.constant.Constants;
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/**
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* Redis使用FastJson序列化
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*
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* @author ruoyi
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*/
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public class FastJson2JsonRedisSerializer<T> implements RedisSerializer<T>
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{
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public static final Charset DEFAULT_CHARSET = Charset.forName("UTF-8");
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static final Filter AUTO_TYPE_FILTER = JSONReader.autoTypeFilter(Constants.JSON_WHITELIST_STR);
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private Class<T> clazz;
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public FastJson2JsonRedisSerializer(Class<T> clazz)
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{
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super();
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this.clazz = clazz;
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}
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@Override
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public byte[] serialize(T t) throws SerializationException
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{
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if (t == null)
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{
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return new byte[0];
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}
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return JSON.toJSONString(t, JSONWriter.Feature.WriteClassName).getBytes(DEFAULT_CHARSET);
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}
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@Override
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public T deserialize(byte[] bytes) throws SerializationException
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{
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if (bytes == null || bytes.length <= 0)
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{
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return null;
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}
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String str = new String(bytes, DEFAULT_CHARSET);
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return JSON.parseObject(str, clazz, AUTO_TYPE_FILTER);
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}
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}
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@@ -1,70 +0,0 @@
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package com.ruoyi.framework.config;
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import org.springframework.cache.annotation.CachingConfigurerSupport;
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import org.springframework.cache.annotation.EnableCaching;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.data.redis.connection.RedisConnectionFactory;
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import org.springframework.data.redis.core.RedisTemplate;
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import org.springframework.data.redis.core.script.DefaultRedisScript;
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import org.springframework.data.redis.serializer.StringRedisSerializer;
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/**
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* redis配置
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*
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* @author ruoyi
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*/
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@SuppressWarnings("deprecation")
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@Configuration
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@EnableCaching
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public class RedisConfig extends CachingConfigurerSupport
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{
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@Bean
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@SuppressWarnings(value = { "unchecked", "rawtypes" })
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public RedisTemplate<Object, Object> redisTemplate(RedisConnectionFactory connectionFactory)
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{
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RedisTemplate<Object, Object> template = new RedisTemplate<>();
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template.setConnectionFactory(connectionFactory);
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FastJson2JsonRedisSerializer serializer = new FastJson2JsonRedisSerializer(Object.class);
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// 使用StringRedisSerializer来序列化和反序列化redis的key值
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template.setKeySerializer(new StringRedisSerializer());
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template.setValueSerializer(serializer);
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// Hash的key也采用StringRedisSerializer的序列化方式
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template.setHashKeySerializer(new StringRedisSerializer());
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template.setHashValueSerializer(serializer);
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template.afterPropertiesSet();
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return template;
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}
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@Bean
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public DefaultRedisScript<Long> limitScript()
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{
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DefaultRedisScript<Long> redisScript = new DefaultRedisScript<>();
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redisScript.setScriptText(limitScriptText());
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redisScript.setResultType(Long.class);
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return redisScript;
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}
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/**
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* 限流脚本
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*/
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private String limitScriptText()
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{
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return "local key = KEYS[1]\n" +
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"local count = tonumber(ARGV[1])\n" +
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"local time = tonumber(ARGV[2])\n" +
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"local current = redis.call('get', key);\n" +
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"if current and tonumber(current) > count then\n" +
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" return tonumber(current);\n" +
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"end\n" +
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"current = redis.call('incr', key)\n" +
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"if tonumber(current) == 1 then\n" +
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" redis.call('expire', key, time)\n" +
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"end\n" +
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"return tonumber(current);";
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}
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}
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