package com.jcdm.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.jcdm.common.annotation.RepeatSubmit; import com.jcdm.common.constant.CacheConstants; import com.jcdm.common.core.redis.RedisCache; import com.jcdm.common.filter.RepeatedlyRequestWrapper; import com.jcdm.common.utils.StringUtils; import com.jcdm.common.utils.http.HttpHelper; import com.jcdm.framework.interceptor.RepeatSubmitInterceptor; /** * 判æ–请求urlå’Œæ•°æ®æ˜¯å¦å’Œä¸Šä¸€æ¬¡ç›¸åŒï¼Œ * 如果和上次相åŒï¼Œåˆ™æ˜¯é‡å¤æäº¤è¡¨å•。 有效时间为10秒内。 * * @author jc */ @Component public class SameUrlDataInterceptor extends RepeatSubmitInterceptor { public final String REPEAT_PARAMS = "repeatParams"; public final String REPEAT_TIME = "repeatTime"; // ä»¤ç‰Œè‡ªå®šä¹‰æ ‡è¯† @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傿•°ä¸ºç©ºï¼ŒèŽ·å–Parameterçš„æ•°æ® 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å€ï¼ˆä½œä¸ºå˜æ”¾cacheçš„key值) String url = request.getRequestURI(); // 唯一值(没有消æ¯å¤´åˆ™ä½¿ç”¨è¯·æ±‚地å€ï¼‰ String submitKey = StringUtils.trimToEmpty(request.getHeader(header)); // å”¯ä¸€æ ‡è¯†ï¼ˆæŒ‡å®škey + url + 消æ¯å¤´ï¼‰ 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æ–傿•°æ˜¯å¦ç›¸åŒ */ 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æ–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; } }