From 3c4fee1db116c11d4f04727cfe076d7c94daeaf2 Mon Sep 17 00:00:00 2001
From: yanzhaofeige <yanzhaofeige@qq.com>
Date: Mon, 30 Sep 2024 12:10:57 +0800
Subject: [PATCH] init
---
cpzidc-framework/src/main/java/com/odcc/cpzidc/framework/interceptor/impl/SameUrlDataInterceptor.java | 110 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 110 insertions(+), 0 deletions(-)
diff --git a/cpzidc-framework/src/main/java/com/odcc/cpzidc/framework/interceptor/impl/SameUrlDataInterceptor.java b/cpzidc-framework/src/main/java/com/odcc/cpzidc/framework/interceptor/impl/SameUrlDataInterceptor.java
new file mode 100644
index 0000000..254f5a7
--- /dev/null
+++ b/cpzidc-framework/src/main/java/com/odcc/cpzidc/framework/interceptor/impl/SameUrlDataInterceptor.java
@@ -0,0 +1,110 @@
+package com.odcc.cpzidc.framework.interceptor.impl;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.concurrent.TimeUnit;
+import javax.servlet.http.HttpServletRequest;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Component;
+import com.alibaba.fastjson2.JSON;
+import com.odcc.cpzidc.common.annotation.RepeatSubmit;
+import com.odcc.cpzidc.common.constant.CacheConstants;
+import com.odcc.cpzidc.common.core.redis.RedisCache;
+import com.odcc.cpzidc.common.filter.RepeatedlyRequestWrapper;
+import com.odcc.cpzidc.common.utils.StringUtils;
+import com.odcc.cpzidc.common.utils.http.HttpHelper;
+import com.odcc.cpzidc.framework.interceptor.RepeatSubmitInterceptor;
+
+/**
+ * 判断请求url和数据是否和上一次相同，
+ * 如果和上次相同，则是重复提交表单。 有效时间为10秒内。
+ *
+ * @author ruoyi
+ */
+@Component
+public class SameUrlDataInterceptor extends RepeatSubmitInterceptor
+{
+ public final String REPEAT_PARAMS = "repeatParams";
+
+ public final String REPEAT_TIME = "repeatTime";
+
+ // 令牌自定义标识
+ @Value("${token.header}")
+ private String header;
+
+ @Autowired
+ private RedisCache redisCache;
+
+ @SuppressWarnings("unchecked")
+ @Override
+ public boolean isRepeatSubmit(HttpServletRequest request, RepeatSubmit annotation)
+ {
+ String nowParams = "";
+ if (request instanceof RepeatedlyRequestWrapper)
+ {
+ RepeatedlyRequestWrapper repeatedlyRequest = (RepeatedlyRequestWrapper) request;
+ nowParams = HttpHelper.getBodyString(repeatedlyRequest);
+ }
+
+ // body参数为空，获取Parameter的数据
+ if (StringUtils.isEmpty(nowParams))
+ {
+ nowParams = JSON.toJSONString(request.getParameterMap());
+ }
+ Map<String, Object> nowDataMap = new HashMap<String, Object>();
+ nowDataMap.put(REPEAT_PARAMS, nowParams);
+ nowDataMap.put(REPEAT_TIME, System.currentTimeMillis());
+
+ // 请求地址（作为存放cache的key值）
+ String url = request.getRequestURI();
+
+ // 唯一值（没有消息头则使用请求地址）
+ String submitKey = StringUtils.trimToEmpty(request.getHeader(header));
+
+ // 唯一标识（指定key + url + 消息头）
+ String cacheRepeatKey = CacheConstants.REPEAT_SUBMIT_KEY + url + submitKey;
+
+ Object sessionObj = redisCache.getCacheObject(cacheRepeatKey);
+ if (sessionObj != null)
+ {
+ Map<String, Object> sessionMap = (Map<String, Object>) sessionObj;
+ if (sessionMap.containsKey(url))
+ {
+ Map<String, Object> preDataMap = (Map<String, Object>) sessionMap.get(url);
+ if (compareParams(nowDataMap, preDataMap) && compareTime(nowDataMap, preDataMap, annotation.interval()))
+ {
+ return true;
+ }
+ }
+ }
+ Map<String, Object> cacheMap = new HashMap<String, Object>();
+ cacheMap.put(url, nowDataMap);
+ redisCache.setCacheObject(cacheRepeatKey, cacheMap, annotation.interval(), TimeUnit.MILLISECONDS);
+ return false;
+ }
+
+ /**
+ * 判断参数是否相同
+ */
+ private boolean compareParams(Map<String, Object> nowMap, Map<String, Object> preMap)
+ {
+ String nowParams = (String) nowMap.get(REPEAT_PARAMS);
+ String preParams = (String) preMap.get(REPEAT_PARAMS);
+ return nowParams.equals(preParams);
+ }
+
+ /**
+ * 判断两次间隔时间
+ */
+ private boolean compareTime(Map<String, Object> nowMap, Map<String, Object> preMap, int interval)
+ {
+ long time1 = (Long) nowMap.get(REPEAT_TIME);
+ long time2 = (Long) preMap.get(REPEAT_TIME);
+ if ((time1 - time2) < interval)
+ {
+ return true;
+ }
+ return false;
+ }
+}
--
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