1：排序類

package com.tixa.bad.customer.util;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;

import com.tixa.bad.customer.data.AdstatGraphArea;

/**
?* 對地區數據進行排序
?*
?* @StatAreaSort
?*
?* @author
?*
?* TODO
?*/
public class StatAreaSort
{
?/**
? * 點擊排序規則，倒序
? */
?private static Comparator orderClick = new Comparator()
?{
??public int compare(Object o1, Object o2)
??{
???AdstatGraphArea b1 = (AdstatGraphArea) o1;
???AdstatGraphArea b2 = (AdstatGraphArea) o2;
???return (b2.getClickcount() - b1.getClickcount());
??}
?};

?/**
? * ip排序規則，倒序
? */
?private static Comparator orderIP = new Comparator()
?{
??public int compare(Object o1, Object o2)
??{
???AdstatGraphArea b1 = (AdstatGraphArea) o1;
???AdstatGraphArea b2 = (AdstatGraphArea) o2;
???return (b2.getIpcount() - b1.getIpcount());
??}
?};

?/**
? * 根據點擊量進行排序
? *
? * @param list
? */
?public static void getSortClick(ArrayList list)
?{
??Collections.sort(list, orderClick);
??// Collections.reverse(list);
?}

?/**
? * 根據ip量進行排序
? *
? * @param list
? */
?public static void getSortIp(ArrayList list)
?{
??Collections.sort(list, orderIP);
??// Collections.reverse(list);
?}

}
2：對排序進行測試
package com.tixa.bad.customer.util;

import java.util.ArrayList;

import junit.framework.TestCase;

import com.tixa.bad.customer.data.AdstatGraphArea;

public class StatAreaSortTest extends TestCase
{

?protected void setUp() throws Exception
?{
??super.setUp();
?}

?protected void tearDown() throws Exception
?{
??super.tearDown();
?}

?/*
? * Test method for 'com.tixa.bad.customer.util.StatAreaSort.getSortClick(ArrayList)'
? */
?public void testGetSortClick()
?{

???ArrayList list = new ArrayList();
???
???AdstatGraphArea graAre = new AdstatGraphArea();
???graAre.setAdid(1);
???graAre.setClickcount(786);
???graAre.setIpcount(43453);
???list.add(graAre);
???
???AdstatGraphArea graAre1 = new AdstatGraphArea();
???graAre1.setAdid(2);
???graAre1.setClickcount(987876);
???graAre1.setIpcount(545);
???list.add(graAre1);
???
???AdstatGraphArea graAre2 = new AdstatGraphArea();
???graAre2.setAdid(3);
???graAre2.setClickcount(877887);
???graAre2.setIpcount(4534534);
???list.add(graAre2);
???
???AdstatGraphArea graAre3 = new AdstatGraphArea();
???graAre3.setAdid(4);
???graAre3.setClickcount(97998);
???graAre3.setIpcount(34534);
???list.add(graAre3);
???
???AdstatGraphArea graAre4 = new AdstatGraphArea();
???graAre4.setAdid(5);
???graAre4.setClickcount(500);
???graAre4.setIpcount(2000);
???list.add(graAre4);
???
???System.out.print("sore before ");
???for(int i = 0;i<list.size();i++)
???{
????AdstatGraphArea a = (AdstatGraphArea)list.get(i);
????System.out.println(a.getAdid());
???}
???
???StatAreaSort.getSortClick(list);
???
???System.out.print("sore after");
???for(int i = 0;i<list.size();i++)
???{
????AdstatGraphArea a = (AdstatGraphArea)list.get(i);
????System.out.println(a.getAdid());
???}
???System.out.println("----------------------");
???
???StatAreaSort.getSortIp(list);
???for(int i = 0;i<list.size();i++)
???{
????AdstatGraphArea a = (AdstatGraphArea)list.get(i);
????System.out.println(a.getAdid());
???}
?}

?/*
? * Test method for 'com.tixa.bad.customer.util.StatAreaSort.getSortIp(ArrayList)'
? */
?public void testGetSortIp()
?{

?}

}