From b8f7b48b79e496c3d4e6a0661a2f0f6e436587fd Mon Sep 17 00:00:00 2001
From: RuoYi <yzz_ivy@163.com>
Date: 星期二, 17 八月 2021 14:14:51 +0800
Subject: [PATCH] 支持自定义注解实现接口限流
---
src/main/java/com/ruoyi/framework/config/RedisConfig.java | 29 +++++++++++++++++++++++++++++
1 files changed, 29 insertions(+), 0 deletions(-)
diff --git a/src/main/java/com/ruoyi/framework/config/RedisConfig.java b/src/main/java/com/ruoyi/framework/config/RedisConfig.java
index 7422f3f..322d6e3 100644
--- a/src/main/java/com/ruoyi/framework/config/RedisConfig.java
+++ b/src/main/java/com/ruoyi/framework/config/RedisConfig.java
@@ -6,6 +6,7 @@
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
+import org.springframework.data.redis.core.script.DefaultRedisScript;
import org.springframework.data.redis.serializer.StringRedisSerializer;
import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.JsonTypeInfo;
@@ -47,4 +48,32 @@
template.afterPropertiesSet();
return template;
}
+
+ @Bean
+ public DefaultRedisScript<Long> limitScript()
+ {
+ DefaultRedisScript<Long> redisScript = new DefaultRedisScript<>();
+ redisScript.setScriptText(limitScriptText());
+ redisScript.setResultType(Long.class);
+ return redisScript;
+ }
+
+ /**
+ * 闄愭祦鑴氭湰
+ */
+ private String limitScriptText()
+ {
+ return "local key = KEYS[1]\n" +
+ "local count = tonumber(ARGV[1])\n" +
+ "local time = tonumber(ARGV[2])\n" +
+ "local current = redis.call('get', key);\n" +
+ "if current and tonumber(current) > count then\n" +
+ " return current;\n" +
+ "end\n" +
+ "current = redis.call('incr', key)\n" +
+ "if tonumber(current) == 1 then\n" +
+ " redis.call('expire', key, time)\n" +
+ "end\n" +
+ "return current;";
+ }
}
--
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