若依 3.0

RuoYi

2020-07-19 cee572f237cb293e4a9070ef458356bc6daa2105

 ruoyi-framework/src/main/java/com/ruoyi/framework/interceptor/impl/SameUrlDataInterceptor.java

ÎļþÃû´Ó ruoyi/src/main/java/com/ruoyi/framework/interceptor/impl/SameUrlDataInterceptor.java ÐÞ¸Ä
@@ -1,107 +1,107 @@
package com.ruoyi.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.stereotype.Component;
import com.alibaba.fastjson.JSONObject;
import com.ruoyi.common.filter.RepeatedlyRequestWrapper;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.common.utils.http.HttpHelper;
import com.ruoyi.framework.interceptor.RepeatSubmitInterceptor;
import com.ruoyi.framework.redis.RedisCache;

/**
 * åˆ¤æ–­è¯·æ±‚url和数据是否和上一次相同，
 * å¦‚果和上次相同，则是重复提交表单。 æœ‰æ•ˆæ—¶é—´ä¸º10秒内。
 * 
 * @author ruoyi
 */
@Component
public class SameUrlDataInterceptor extends RepeatSubmitInterceptor
{
    public final String REPEAT_PARAMS = "repeatParams";

    public final String REPEAT_TIME = "repeatTime";

    public final String CACHE_REPEAT_KEY = "repeatData";

    @Autowired
    private RedisCache redisCache;

    /**
     * é—´éš”时间，单位:秒 é»˜è®¤10秒
     * 
     * ä¸¤æ¬¡ç›¸åŒå‚数的请求，如果间隔时间大于该参数，系统不会认定为重复提交的数据
     */
    private int intervalTime = 10;

    public void setIntervalTime(int intervalTime)
    {
        this.intervalTime = intervalTime;
    }

    @SuppressWarnings("unchecked")
    @Override
    public boolean isRepeatSubmit(HttpServletRequest request)
    {
        RepeatedlyRequestWrapper repeatedlyRequest = (RepeatedlyRequestWrapper) request;
        String nowParams = HttpHelper.getBodyString(repeatedlyRequest);

        // body参数为空，获取Parameter的数据
        if (StringUtils.isEmpty(nowParams))
        {
            nowParams = JSONObject.toJSONString(request.getParameterMap());
        }
        Map<String, Object> nowDataMap = new HashMap<String, Object>();
        nowDataMap.put(REPEAT_PARAMS, nowParams);
        nowDataMap.put(REPEAT_TIME, System.currentTimeMillis());

        // è¯·æ±‚地址（作为存放cache的key值）
        String url = request.getRequestURI();

        Object sessionObj = redisCache.getCacheObject(CACHE_REPEAT_KEY);
        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))
                {
                    return true;
                }
            }
        }
        Map<String, Object> cacheMap = new HashMap<String, Object>();
        cacheMap.put(url, nowDataMap);
        redisCache.setCacheObject(CACHE_REPEAT_KEY, cacheMap, intervalTime, TimeUnit.SECONDS);
        return false;
    }

    /**
     * åˆ¤æ–­å‚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);
    }

    /**
     * åˆ¤æ–­ä¸¤æ¬¡é—´éš”时间
     */
    private boolean compareTime(Map<String, Object> nowMap, Map<String, Object> preMap)
    {
        long time1 = (Long) nowMap.get(REPEAT_TIME);
        long time2 = (Long) preMap.get(REPEAT_TIME);
        if ((time1 - time2) < (this.intervalTime * 1000))
        {
            return true;
        }
        return false;
    }
}
package com.ruoyi.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.stereotype.Component;

import com.alibaba.fastjson.JSONObject;

import com.ruoyi.common.core.redis.RedisCache;

import com.ruoyi.common.filter.RepeatedlyRequestWrapper;

import com.ruoyi.common.utils.StringUtils;

import com.ruoyi.common.utils.http.HttpHelper;

import com.ruoyi.framework.interceptor.RepeatSubmitInterceptor;



/**

 * åˆ¤æ–­è¯·æ±‚url和数据是否和上一次相同，

 * å¦‚果和上次相同，则是重复提交表单。 æœ‰æ•ˆæ—¶é—´ä¸º10秒内。

 * 
 * @author ruoyi

 */

@Component

public class SameUrlDataInterceptor extends RepeatSubmitInterceptor

{

    public final String REPEAT_PARAMS = "repeatParams";



    public final String REPEAT_TIME = "repeatTime";



    public final String CACHE_REPEAT_KEY = "repeatData";



    @Autowired

    private RedisCache redisCache;



    /**

     * é—´éš”时间，单位:秒 é»˜è®¤10秒

     * 
     * ä¸¤æ¬¡ç›¸åŒå‚数的请求，如果间隔时间大于该参数，系统不会认定为重复提交的数据

     */

    private int intervalTime = 10;



    public void setIntervalTime(int intervalTime)

    {

        this.intervalTime = intervalTime;

    }



    @SuppressWarnings("unchecked")

    @Override

    public boolean isRepeatSubmit(HttpServletRequest request)

    {

        RepeatedlyRequestWrapper repeatedlyRequest = (RepeatedlyRequestWrapper) request;

        String nowParams = HttpHelper.getBodyString(repeatedlyRequest);



        // body参数为空，获取Parameter的数据

        if (StringUtils.isEmpty(nowParams))

        {

            nowParams = JSONObject.toJSONString(request.getParameterMap());

        }

        Map<String, Object> nowDataMap = new HashMap<String, Object>();

        nowDataMap.put(REPEAT_PARAMS, nowParams);

        nowDataMap.put(REPEAT_TIME, System.currentTimeMillis());



        // è¯·æ±‚地址（作为存放cache的key值）

        String url = request.getRequestURI();



        Object sessionObj = redisCache.getCacheObject(CACHE_REPEAT_KEY);

        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))

                {

                    return true;

                }

            }

        }

        Map<String, Object> cacheMap = new HashMap<String, Object>();

        cacheMap.put(url, nowDataMap);

        redisCache.setCacheObject(CACHE_REPEAT_KEY, cacheMap, intervalTime, TimeUnit.SECONDS);

        return false;

    }



    /**

     * åˆ¤æ–­å‚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);

    }



    /**

     * åˆ¤æ–­ä¸¤æ¬¡é—´éš”时间

     */

    private boolean compareTime(Map<String, Object> nowMap, Map<String, Object> preMap)

    {

        long time1 = (Long) nowMap.get(REPEAT_TIME);

        long time2 = (Long) preMap.get(REPEAT_TIME);

        if ((time1 - time2) < (this.intervalTime * 1000))

        {

            return true;

        }

        return false;

    }

}