package com.hx.repeat.check;
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import com.hx.exception.TipsException;
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import com.hx.redis.RedisUtil;
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import com.hx.util.DateUtil;
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import com.hx.util.IPUtils;
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import javax.servlet.http.HttpServletRequest;
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import java.util.Date;
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import java.util.concurrent.TimeUnit;
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/**
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* URL防重复提交
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* @author CJH
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*/
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public class RequestRepeat {
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/**请求重复校验
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* @param request HttpServletRequest
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* @param redisUtil redis
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* @param millisecond 间隔时间，毫秒（默认500毫秒）
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*/
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public static void checkRequest(HttpServletRequest request,RedisUtil redisUtil,Long millisecond){
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//没有设置，默认0.5秒
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if(millisecond == null){
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millisecond = 500L;
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}
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//获取请求的IP地址
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String ip = IPUtils.getIpAddr(request);
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//获取URL
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String method = request.getServletPath();
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if(!redisUtil.setIfAbsent(ip+"-"+method, DateUtil.formatDate(new Date(),"yyyy-MM-dd HH:mm:ss"),millisecond, TimeUnit.MILLISECONDS)){
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throw new TipsException("请勿频繁操作！");
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}
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}
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}
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