src/com/util/Info.java

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package com.util;



import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Random;
import java.util.Set;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/*import dao.CommDAO;*/

import jxl.Workbook;
import jxl.write.Label;
import jxl.write.WritableSheet;
import jxl.write.WritableWorkbook;
import jxl.write.WriteException;
import jxl.write.biff.RowsExceededException;


public class Info {
	
	//public static String popheight = "alliframe.height=document.body.clientHeight+";
	public static String popheight = "alliframe.style.height=document.body.scrollHeight+";
	
	
    public static HashMap getUser(HttpServletRequest request)
    {
    	HashMap map = (HashMap)(request.getSession().getAttribute("admin")==null?request.getSession().getAttribute("user"):request.getSession().getAttribute("admin"));
        return map;
    }
	
	
	public static int getBetweenDayNumber(String dateA, String dateB) {
		long dayNumber = 0;
		//1小时=60分钟=3600秒=3600000
		long mins = 60L * 1000L;
		//long day= 24L * 60L * 60L * 1000L;计算天数之差
		SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm");
		try {
		   java.util.Date d1 = df.parse(dateA);
		   java.util.Date d2 = df.parse(dateB);
		   dayNumber = (d2.getTime() - d1.getTime()) / mins;