| 提交 | 用户 | 时间 | ||
| e57a89 | 1 | package com.jcdm.framework.interceptor.impl; |
| 懒 | 2 | |
| 3 | import java.util.HashMap; | |
| 4 | import java.util.Map; | |
| 5 | import java.util.concurrent.TimeUnit; | |
| 6 | import javax.servlet.http.HttpServletRequest; | |
| 7 | import org.springframework.beans.factory.annotation.Autowired; | |
| 8 | import org.springframework.beans.factory.annotation.Value; | |
| 9 | import org.springframework.stereotype.Component; | |
| 10 | import com.alibaba.fastjson2.JSON; | |
| 11 | import com.jcdm.common.annotation.RepeatSubmit; | |
| 12 | import com.jcdm.common.constant.CacheConstants; | |
| 13 | import com.jcdm.common.core.redis.RedisCache; | |
| 14 | import com.jcdm.common.filter.RepeatedlyRequestWrapper; | |
| 15 | import com.jcdm.common.utils.StringUtils; | |
| 16 | import com.jcdm.common.utils.http.HttpHelper; | |
| 17 | import com.jcdm.framework.interceptor.RepeatSubmitInterceptor; | |
| 18 | ||
| 19 | /** | |
| 20 | * 判断请求url和数据是否和上一次相同， | |
| 21 | * 如果和上次相同，则是重复提交表单。 有效时间为10秒内。 | |
| 22 | * | |
| 23 | * @author jc | |
| 24 | */ | |
| 25 | @Component | |
| 26 | public class SameUrlDataInterceptor extends RepeatSubmitInterceptor | |
| 27 | { | |
| 28 | public final String REPEAT_PARAMS = "repeatParams"; | |
| 29 | ||
| 30 | public final String REPEAT_TIME = "repeatTime"; | |
| 31 | ||
| 32 | // 令牌自定义标识 | |
| 33 | @Value("${token.header}") | |
| 34 | private String header; | |
| 35 | ||
| 36 | @Autowired | |
| 37 | private RedisCache redisCache; | |
| 38 | ||
| 39 | @SuppressWarnings("unchecked") | |
| 40 | @Override | |
| 41 | public boolean isRepeatSubmit(HttpServletRequest request, RepeatSubmit annotation) | |
| 42 | { | |
| 43 | String nowParams = ""; | |
| 44 | if (request instanceof RepeatedlyRequestWrapper) | |
| 45 | { | |
| 46 | RepeatedlyRequestWrapper repeatedlyRequest = (RepeatedlyRequestWrapper) request; | |
| 47 | nowParams = HttpHelper.getBodyString(repeatedlyRequest); | |
| 48 | } | |
| 49 | ||
| 50 | // body参数为空，获取Parameter的数据 | |
| 51 | if (StringUtils.isEmpty(nowParams)) | |
| 52 | { | |
| 53 | nowParams = JSON.toJSONString(request.getParameterMap()); | |
| 54 | } | |
| 55 | Map<String, Object> nowDataMap = new HashMap<String, Object>(); | |
| 56 | nowDataMap.put(REPEAT_PARAMS, nowParams); | |
| 57 | nowDataMap.put(REPEAT_TIME, System.currentTimeMillis()); | |
| 58 | ||
| 59 | // 请求地址（作为存放cache的key值） | |
| 60 | String url = request.getRequestURI(); | |
| 61 | ||
| 62 | // 唯一值（没有消息头则使用请求地址） | |
| 63 | String submitKey = StringUtils.trimToEmpty(request.getHeader(header)); | |
| 64 | ||
| 65 | // 唯一标识（指定key + url + 消息头） | |
| 66 | String cacheRepeatKey = CacheConstants.REPEAT_SUBMIT_KEY + url + submitKey; | |
| 67 | ||
| 68 | Object sessionObj = redisCache.getCacheObject(cacheRepeatKey); | |
| 69 | if (sessionObj != null) | |
| 70 | { | |
| 71 | Map<String, Object> sessionMap = (Map<String, Object>) sessionObj; | |
| 72 | if (sessionMap.containsKey(url)) | |
| 73 | { | |
| 74 | Map<String, Object> preDataMap = (Map<String, Object>) sessionMap.get(url); | |
| 75 | if (compareParams(nowDataMap, preDataMap) && compareTime(nowDataMap, preDataMap, annotation.interval())) | |
| 76 | { | |
| 77 | return true; | |
| 78 | } | |
| 79 | } | |
| 80 | } | |
| 81 | Map<String, Object> cacheMap = new HashMap<String, Object>(); | |
| 82 | cacheMap.put(url, nowDataMap); | |
| 83 | redisCache.setCacheObject(cacheRepeatKey, cacheMap, annotation.interval(), TimeUnit.MILLISECONDS); | |
| 84 | return false; | |
| 85 | } | |
| 86 | ||
| 87 | /** | |
| 88 | * 判断参数是否相同 | |
| 89 | */ | |
| 90 | private boolean compareParams(Map<String, Object> nowMap, Map<String, Object> preMap) | |
| 91 | { | |
| 92 | String nowParams = (String) nowMap.get(REPEAT_PARAMS); | |
| 93 | String preParams = (String) preMap.get(REPEAT_PARAMS); | |
| 94 | return nowParams.equals(preParams); | |
| 95 | } | |
| 96 | ||
| 97 | /** | |
| 98 | * 判断两次间隔时间 | |
| 99 | */ | |
| 100 | private boolean compareTime(Map<String, Object> nowMap, Map<String, Object> preMap, int interval) | |
| 101 | { | |
| 102 | long time1 = (Long) nowMap.get(REPEAT_TIME); | |
| 103 | long time2 = (Long) preMap.get(REPEAT_TIME); | |
| 104 | if ((time1 - time2) < interval) | |
| 105 | { | |
| 106 | return true; | |
| 107 | } | |
| 108 | return false; | |
| 109 | } | |
| 110 | } | |
