From 9f7acd4cf900e6d9954056a38e85e06b3dbfdfae Mon Sep 17 00:00:00 2001
From: RuoYi <yzz_ivy@163.com>
Date: Sat, 08 Jan 2022 09:23:45 +0800
Subject: [PATCH] 优化部门修改缩放后出现的错位问题
---
ruoyi-framework/src/main/java/com/ruoyi/framework/config/RedisConfig.java | 29 +++++++++++++++++++++++++++++
1 files changed, 29 insertions(+), 0 deletions(-)
diff --git a/ruoyi-framework/src/main/java/com/ruoyi/framework/config/RedisConfig.java b/ruoyi-framework/src/main/java/com/ruoyi/framework/config/RedisConfig.java
index 7422f3f..fe1822f 100644
--- a/ruoyi-framework/src/main/java/com/ruoyi/framework/config/RedisConfig.java
+++ b/ruoyi-framework/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;
+ }
+
+ /**
+ * 限流脚本
+ */
+ 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 tonumber(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 tonumber(current);";
+ }
}
--
Gitblit v1.9.2