From bdab124cd02476f3f29e93fcf987dffb24437db2 Mon Sep 17 00:00:00 2001
From: RuoYi <yzz_ivy@163.com>
Date: 星期四, 30 十二月 2021 14:14:55 +0800
Subject: [PATCH] 防重复提交标识组合（key + url + header）
---
src/main/java/com/ruoyi/framework/config/RedisConfig.java | 40 ++++++++++++++++++++++++++++++++++++++--
1 files changed, 38 insertions(+), 2 deletions(-)
diff --git a/src/main/java/com/ruoyi/framework/config/RedisConfig.java b/src/main/java/com/ruoyi/framework/config/RedisConfig.java
index 6322686..fe1822f 100644
--- a/src/main/java/com/ruoyi/framework/config/RedisConfig.java
+++ b/src/main/java/com/ruoyi/framework/config/RedisConfig.java
@@ -6,10 +6,13 @@
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;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.jsontype.impl.LaissezFaireSubTypeValidator;
/**
* redis閰嶇疆
@@ -31,13 +34,46 @@
ObjectMapper mapper = new ObjectMapper();
mapper.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
- mapper.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
+ mapper.activateDefaultTyping(LaissezFaireSubTypeValidator.instance, ObjectMapper.DefaultTyping.NON_FINAL, JsonTypeInfo.As.PROPERTY);
serializer.setObjectMapper(mapper);
- template.setValueSerializer(serializer);
// 浣跨敤StringRedisSerializer鏉ュ簭鍒楀寲鍜屽弽搴忓垪鍖杛edis鐨刱ey鍊�
template.setKeySerializer(new StringRedisSerializer());
+ template.setValueSerializer(serializer);
+
+ // Hash鐨刱ey涔熼噰鐢⊿tringRedisSerializer鐨勫簭鍒楀寲鏂瑰紡
+ template.setHashKeySerializer(new StringRedisSerializer());
+ template.setHashValueSerializer(serializer);
+
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 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);";
+ }
}
--
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