webtools.java

企业进销存源码

package com.web.util;


import java.util.*;
import java.math.*;
import java.sql.*;
import java.text.*;


/**
 * @author Administrator
 *
 * To change this generated comment edit the template variable "typecomment":
 * Window>Preferences>Java>Templates.
 * To enable and disable the creation of type comments go to
 * Window>Preferences>Java>Code Generation.
 */
public class WebTools {
    public static String show(Object data) {
        if (data == null || data.equals("null")) {
            return " ";
        } else {
            return data.toString();
        }
    }

    public static String showEx(Object data) {
        if (data == null || data.equals("null")) {
            return "";
        } else {
            return data.toString();
        }
    }

   public static int paserInt(String data){
   		try{
   			return Integer.parseInt(data);
   		}catch(Exception e){
   			return 0;
   		}
   }
	public static Integer paserInteger(String data){
   		Integer result = new Integer(paserInt(data));
   		return result;
   }
   public static double paserdouble(String data){
   		try{
   			return Double.parseDouble(data);
   		}catch(Exception e){
   			return 0;
   		}
   }
	public static Double paserDouble(String data){
   		Double result = new Double(paserdouble(data));
   		return result;
   }
    public static String getTwoDay(String date1, String date2) {

        String time1 = date1;
        String time2 = date2;
        String date_tem = "";
        Calendar calendar1 = new GregorianCalendar();
        Calendar calendar2 = new GregorianCalendar();
        Calendar temp = new GregorianCalendar();
        SimpleDateFormat form = new SimpleDateFormat("yyyy-MM-dd");
        //Date trialTime = new Date();
        //Date  d=new Date();



        StringTokenizer st = new StringTokenizer(time1, "-");
        calendar1.set(Integer.parseInt(st.nextToken()), Integer.parseInt(st.nextToken()) - 1, Integer.parseInt(st.nextToken()));
        st = new StringTokenizer(time2, "-");
        calendar2.set(Integer.parseInt(st.nextToken()), Integer.parseInt(st.nextToken()) - 1, Integer.parseInt(st.nextToken()));

        while (calendar1.before(calendar2) && (!calendar1.equals(calendar2))) {
            //System.out.println(form.format(calendar1.getTime()));
            calendar1.add(Calendar.DATE, 1);
            if (!calendar1.equals(calendar2)) {
                date_tem = date_tem + "'" + form.format(calendar1.getTime()) + "',";
            } else {
                date_tem = date_tem + "'" + form.format(calendar1.getTime()) + "'";
            }
        }

        System.out.println("日期段为:" + date_tem);
        return date_tem;
    }
    
}