谁能提供一个ArrayList 或 Vector 的分页程序代码? 自己做一个类实现List接口,基本功能委派ArrayList来实现,使用迭代iterator来完成分页的功能。做一个私有inner-class. private class CustomerIterator implements Iterator. 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 <%@ page contentType="text/html;charset=gb2312"%><html> <head><title></title></head> <body> <% java.sql.Connection sqlCon; java.sql.Statement sqlStmt; java.sql.ResultSet sqlRst; java.lang.String strCon; java.lang.String strSQL; int intPageSize; int intRowCount; int intPageCount; int intPage; java.lang.String strPage; int i,j,k; intPageSize = 10; strPage = request.getParameter("page"); if(strPage==null){intPage = 1; } else{intPage = java.lang.Integer.parseInt(strPage); if(intPage<1) intPage = 1; }Class.forName("COM.ibm.db2.jdbc.app.DB2Driver"); strCon = "jdbc:db2:sample"; sqlCon = java.sql.DriverManager.getConnection(strCon,"",""); sqlStmt = sqlCon.createStatement(); strSQL = "select count(*) from org"; sqlRst = sqlStmt.executeQuery(strSQL); sqlRst.next(); intRowCount = sqlRst.getInt(1); sqlRst.close(); intPageCount = (intRowCount+intPageSize-1) / intPageSize; if(intPage>intPageCount) intPage = intPageCount; strSQL = "select * from org"; sqlRst = sqlStmt.executeQuery(strSQL);i = (intPage-1) * intPageSize; for(j=0;j<i;j++) sqlRst.next(); %> <table border="1"> <tr> <td colspan=5 align=center> <%=intPage%>/<%=intPageCount%><%if(intPage != 1){%><a href="pagedb2.jsp?page=1">first</a><%}else{%>first<%}%><%if(intPage>1){%><a href="pagedb2.jsp?page=<%=intPage-1%>"><<</a><%}else{%> <<<%}%><%if(intPage<intPageCount){%><a href="pagedb2.jsp?page=<%=intPage+1%>">>></a><%}else{%> >><%}%><%if(intPage != intPageCount){%><a href="pagedb2.jsp?page=<%=intPageCount%>">last</a><%}else{%>last<%}%>all<%=intRowCount%>row</td> </tr><tr> <td>deptnumb</td><td>deptname</td><td>manage</td><td>division</td><td>location</td></tr> <% i = 0; while(i<intPageSize && sqlRst.next()){ %> <tr> <td><%=sqlRst.getString(1)%></td><td><%=sqlRst.getString(2)%></td><td><%=sqlRst.getString(3)%></td><td><%=sqlRst.getString(4)%></td><td><%=sqlRst.getString(4)%></td></tr> <% i++; } %></table> <% sqlRst.close(); sqlStmt.close(); sqlCon.close();%></body> </html> <%@ page import="java.util.*" %><%@ page import="java.io.*" %><%@ page import="com.google.soap.search.*" %><html><% String keyword = null;//查询关键词 String lr = null;//语言限制 String wide = null;//搜索范围 int max = 10; int total = 0;//返回的记录数 int counts = 10;//每页显示记录数 int currentPage = 1;//当前为第几页 int pageCounts = 0;//显示页面总数 int pages = 10;//就一次可以出现10个页让你点击 如 1,2,3,4,5,6,7,8,9,10 int nextPage = 1;//就是第几个一页;每次的都要保存到 session 中 int nextPages;//一共有多少个下一页 //得到查询字符串 if(request.getParameter("keyword") != null) { keyword = (String)request.getParameter("keyword"); } //得到查询范围 if(request.getParameter("search-wide") != null) { wide = (String)request.getParameter("search-wide"); } //得到总记录数 if(request.getParameter("total") != null) { total = Integer.parseInt(request.getParameter("total")); } //取得当前页面数(当前为第几页) if(request.getParameter("page") != null) { currentPage = Integer.parseInt(request.getParameter("page")); } if(request.getParameter("nextPage") != null) { nextPage = Integer.parseInt((String)request.getParameter("nextPage")); }%><head><title>GRI搜索: <%=keyword %></title><style type="text/css"><!-- a:link { color:#00c } a:visited { color:#551a8b } a:active { color:#f00; background-color:#ffffcc;} a:hover { color:red; text-decoration:underline; } p {background-color : #ffbb00; } p.indent { margin-left:50px; margin-right:50px; }--></style></head><body bgcolor=#ffffff><%@ page contentType="text/html;charset=gb2312" %><img align="top" alt="head.jpg" src="Images/head.jpg" /><%@ include file="GRI-CENTER.jsp" %><hr width="90%" noshade="noshade" /><jsp:useBean id="google" scope="session" class="javaBean.google.Google" /><% if(keyword.equals("")){%> <jsp:forward page="search-index.jsp"> </jsp:forward><% } else { if(wide.equals("chinese")) { //搜索范围是简体中文 lr="lang_zh-CN"; google.setLanguage(lr); } else if(wide.equals("all-chinese")) { //搜索范围是全部中文 lr="lang_zh-CN | lang_zh-TW"; google.setLanguage(lr); } else { //搜索范围是全部网页 lr=null; } google.setStart((currentPage-1)*counts);//设置索引开始位置,currentPage代表第几页,counts代表每页显示记录数 max = counts;//默认记录数为counts = 10; /* if(total < currentPage*counts ) { max = total - (currentPage-1)*counts - 1; } */ google.setMaxReturnCount(max);//设置索引个数 google.search(keyword);//设置查询关键词,并进行搜索 GoogleSearchResult result=google.getGoogleResult();//取得搜索结果 out.println("<p>"); out.println("搜索结果共 "+result.getEstimatedTotalResultsCount()+"条!"); //out.println("<br />"); out.println("查询关键词: "+result.getSearchQuery()); //out.println("<br />"); out.println("查询时间: "+result.getSearchTime()); out.println("</p>"); out.println("<br />"); out.println("---------------检-----索-----结-----果--------------"); GoogleSearchResultElement[] resultElements = result.getResultElements(); total = result.getEstimatedTotalResultsCount();//返回总数 if(total > 1000) { total = 1000; } if(total < 1) { %> <jsp:forward page="search-index.jsp"> </jsp:forward> <% } session.putValue("total",new Integer(total));//保存返回记录总数 int startIndex = result.getStartIndex() - 1 - (currentPage-1) * counts; int endIndex = result.getEndIndex() - 1 - (currentPage-1) * counts; out.println("<table border=\"1\" bordercolor=\"#ff0000\" cellpadding=\"0\" cellspacing=\"0\" >"); for(int i = startIndex;i <= endIndex; i++) { if((resultElements[i]) != null) { out.println("<tr>"); out.println("<td>"); out.println("<a href=\""+resultElements[i].getURL()+"\" >"); out.println(resultElements[i].getURL()); out.println("</a>"); out.println("<br />"); out.println("<p class=\"indent\">"); out.println("<b>"); out.println(resultElements[i].getSnippet()); out.println("</b>"); out.println("</p>"); out.println("</td>"); out.println("</tr>"); } } out.println("</table>"); out.println("<br />"); out.println("<br />"); out.println("<br />"); //////////////////*****分页显示******//////////////////////////// // 得到总的页数; pageCounts = (total + counts - 1) / counts; //得到有多少个下一页 nextPages = (pageCounts + pages - 1) / pages; //下面主要工作是分页显示 int t; int m = (nextPage-1)*pages+1;//下一页显示的第一个页面连接数,如:31 int n = nextPage*pages;//下一页显示的最后一个连接数,如:40 int k; if(n > pageCounts)//如果下一个页面显示的页数大于现有的总页数 { k = pageCounts;//则保留 } else { k = n; } out.print("<center>"); for(t=m;t<=k;t++) { if(currentPage == t) { out.print("<font color='#FF0000'><a href='search.jsp?page="); out.print(t); out.print("&keyword="+keyword+"&search-wide="+wide+"&total="+total+"&nextPage="+nextPage); out.print("'>"); out.print(t); out.print("</a></font>"); } else { out.print("<a href='search.jsp?page="); out.print(t); out.print("&keyword="+keyword+"&search-wide="+wide+"&total="+total+"&nextPage="+nextPage); out.print("'>"); out.print(t); out.print("</a>"); } out.print(" "); } if(n < pageCounts) { out.print("<a href='search.jsp?page="); out.print(nextPage*pages+1); out.print("&keyword="+keyword+"&search-wide="+wide+"&total="+total+"&nextPage="+(nextPage+1)); out.print("'>"); out.print("下一页"); out.print("</a>"); } if(nextPage != 1) { out.print("<a href='search.jsp?page="); out.print((nextPage-1)*pages+1); out.print("&keyword="+keyword+"&search-wide="+wide+"&total="+total+"&nextPage="+(nextPage-1)); out.print("'>"); out.print("上一页"); out.print("</a>"); } out.print("</center>"); //////////////////////// /* out.print("<a href='"); out.print("search.jsp?page=1&keyword="+keyword+"&search-wide="+wide+"&total="+total); out.print("'>"); out.print("1"); out.print("</a>"); ///// out.print("<a href='"); out.print("search.jsp?page=2&keyword="+keyword+"&search-wide="+wide+"&total="+total); out.print("'>"); out.print("2"); out.print("</a>"); */ /////////////////////// }%><br /><%@ include file="GRI-BOTTOM.jsp" %></body></html> package com.bbs.bean;import java.io.*;import java.util.*;public class NoteListBean implements Serializable{private ArrayList noteWriters=new ArrayList();private ArrayList noteHitNums=new ArrayList();private ArrayList noteIDs=new ArrayList();private ArrayList noteTitles=new ArrayList();private ArrayList notePics=new ArrayList();private ArrayList noteRewriteNums=new ArrayList();private ArrayList noteLastTimes=new ArrayList();public NoteListBean(){}public int getLength(){ return noteIDs.size();}public void setNoteIDs(String noteID){ noteIDs.add(noteID);}public String getNoteIDs(int i){ return (String)noteIDs.get(i);}public void setNotePics(String notePic){ notePics.add(notePic);}public String getNotePics(int i){ return (String)notePics.get(i);}public void setNoteWriters(String noteWriter){ noteWriters.add(noteWriter);}public String getNoteWriters(int i){ return (String)noteWriters.get(i);}public void setNoteTitles(String noteTitle){ noteTitles.add(noteTitle);}public String getNoteTitles(int i){ return (String)noteTitles.get(i);}public void setNoteRewriteNums(String noteRewriteNum){ noteRewriteNums.add(noteRewriteNum);}public String getNoteRewriteNums(int i){ return (String)noteRewriteNums.get(i);}public void setNoteHitNums(String noteHitNum){ noteHitNums.add(noteHitNum);}public String getNoteHitNums(int i){ return (String)noteHitNums.get(i);}public void setNoteLastTimes(String noteLastTime){ noteLastTimes.add(noteLastTime);}public String getNoteLastTimes(int i){ return (String)noteLastTimes.get(i);}} package com.bbs.util;import java.io.*;import java.util.*;import com.bbs.bean.NoteListBean;public class PageList{private int pageSize=15;private int recordCount=0;private int pageCount=0;private int showPage=1;private int pageInt=0;NoteListBean Note=new NoteListBean();public int getPageSize(){ return pageSize;}public void setRecordCount(int recordCount){ this.recordCount=recordCount;}public int getRecordCount(){ return recordCount;}public void setPageCount(){ this.pageCount=(recordCount % pageSize==0)?(recordCount/pageSize):(recordCount/pageSize+1); }public int getPageCount(){ return pageCount;}public void setShowPage(String page){ setPageCount(); if(page!=null){ this.showPage=Integer.parseInt(page); if(this.showPage>pageCount) this.showPage=pageCount; else if(this.showPage<=0) this.showPage=1; }else this.showPage=1;}public int getShowPage(){ return showPage;}public void setPageInt(){ if(recordCount>0) this.pageInt=(showPage-1)*pageSize; }public int getPageInt(){ setPageInt(); return pageInt;}} 关于JDBC的代码里的问题 大大们帮我解释下代码 Java 从Excel文件获取的数据 如何插入到mysql中去 请教读取excel表格时,数组越界问题 这句话为何出问题? ArrayList是什么意思?谢谢了! Console类? JAVA中是否有象C++那种函数的默认参数的用法 刚开始学JAVA 这例程不但没有构造函数,还自己new自己? java基础:不太理解:Boolean是封装器类型什么意思,和boolean有什么区别? 如何执行不在同一目录的.class文件? 关于服务器关闭时要执行的代码问题
<html>
<head>
<title></title>
</head>
<body>
<%
java.sql.Connection sqlCon;
java.sql.Statement sqlStmt;
java.sql.ResultSet sqlRst;
java.lang.String strCon;
java.lang.String strSQL;
int intPageSize;
int intRowCount;
int intPageCount;
int intPage;
java.lang.String strPage;
int i,j,k;
intPageSize = 10;
strPage = request.getParameter("page");
if(strPage==null){
intPage = 1;
} else{
intPage = java.lang.Integer.parseInt(strPage);
if(intPage<1) intPage = 1; }
Class.forName("COM.ibm.db2.jdbc.app.DB2Driver");
strCon = "jdbc:db2:sample";
sqlCon = java.sql.DriverManager.getConnection(strCon,"","");
sqlStmt = sqlCon.createStatement();
strSQL = "select count(*) from org";
sqlRst = sqlStmt.executeQuery(strSQL);
sqlRst.next();
intRowCount = sqlRst.getInt(1);
sqlRst.close();
intPageCount = (intRowCount+intPageSize-1) / intPageSize;
if(intPage>intPageCount) intPage = intPageCount;
strSQL = "select * from org";
sqlRst = sqlStmt.executeQuery(strSQL);
i = (intPage-1) * intPageSize;
for(j=0;j<i;j++) sqlRst.next(); %>
<table border="1">
<tr>
<td colspan=5 align=center>
<%=intPage%>/<%=intPageCount%>
<%if(intPage != 1){%>
<a href="pagedb2.jsp?page=1">first</a>
<%}else{%>
first
<%}%>
<%if(intPage>1){%>
<a href="pagedb2.jsp?page=<%=intPage-1%>"><<</a>
<%
}else{
%>
<<
<%}%>
<%if(intPage<intPageCount){%>
<a href="pagedb2.jsp?page=<%=intPage+1%>">>></a>
<%
}else{
%>
>>
<%}%>
<%if(intPage != intPageCount){%>
<a href="pagedb2.jsp?page=<%=intPageCount%>">last</a>
<%}else{%>
last
<%}%>
all<%=intRowCount%>row
</td>
</tr>
<tr>
<td>deptnumb</td>
<td>deptname</td>
<td>manage</td>
<td>division</td>
<td>location</td>
</tr>
<%
i = 0;
while(i<intPageSize && sqlRst.next()){ %>
<tr>
<td><%=sqlRst.getString(1)%></td>
<td><%=sqlRst.getString(2)%></td>
<td><%=sqlRst.getString(3)%></td>
<td><%=sqlRst.getString(4)%></td>
<td><%=sqlRst.getString(4)%></td>
</tr>
<% i++; } %>
</table>
<%
sqlRst.close();
sqlStmt.close();
sqlCon.close();
%>
</body>
</html>
<%@ page import="java.io.*" %>
<%@ page import="com.google.soap.search.*" %><html>
<%
String keyword = null;//查询关键词
String lr = null;//语言限制
String wide = null;//搜索范围
int max = 10; int total = 0;//返回的记录数
int counts = 10;//每页显示记录数
int currentPage = 1;//当前为第几页
int pageCounts = 0;//显示页面总数
int pages = 10;//就一次可以出现10个页让你点击 如 1,2,3,4,5,6,7,8,9,10
int nextPage = 1;//就是第几个一页;每次的都要保存到 session 中
int nextPages;//一共有多少个下一页 //得到查询字符串
if(request.getParameter("keyword") != null)
{
keyword = (String)request.getParameter("keyword");
} //得到查询范围
if(request.getParameter("search-wide") != null)
{
wide = (String)request.getParameter("search-wide");
}
//得到总记录数
if(request.getParameter("total") != null)
{
total = Integer.parseInt(request.getParameter("total"));
}
//取得当前页面数(当前为第几页)
if(request.getParameter("page") != null)
{
currentPage = Integer.parseInt(request.getParameter("page"));
} if(request.getParameter("nextPage") != null)
{
nextPage = Integer.parseInt((String)request.getParameter("nextPage"));
}%><head>
<title>GRI搜索: <%=keyword %></title>
<style type="text/css">
<!--
a:link { color:#00c } a:visited { color:#551a8b } a:active { color:#f00;
background-color:#ffffcc;} a:hover { color:red;
text-decoration:underline; }
p {background-color : #ffbb00; }
p.indent { margin-left:50px;
margin-right:50px; }
-->
</style>
</head><body bgcolor=#ffffff>
<%@ page contentType="text/html;charset=gb2312" %>
<img align="top" alt="head.jpg" src="Images/head.jpg" />
<%@ include file="GRI-CENTER.jsp" %>
<hr width="90%" noshade="noshade" /><jsp:useBean id="google" scope="session" class="javaBean.google.Google" />
<%
if(keyword.equals("")){
%>
<jsp:forward page="search-index.jsp">
</jsp:forward>
<%
}
else
{
if(wide.equals("chinese"))
{
//搜索范围是简体中文
lr="lang_zh-CN";
google.setLanguage(lr);
}
else if(wide.equals("all-chinese"))
{
//搜索范围是全部中文
lr="lang_zh-CN | lang_zh-TW";
google.setLanguage(lr);
}
else
{
//搜索范围是全部网页
lr=null;
} google.setStart((currentPage-1)*counts);//设置索引开始位置,currentPage代表第几页,counts代表每页显示记录数
max = counts;//默认记录数为counts = 10;
/*
if(total < currentPage*counts )
{
max = total - (currentPage-1)*counts - 1;
}
*/
google.setMaxReturnCount(max);//设置索引个数
google.search(keyword);//设置查询关键词,并进行搜索
GoogleSearchResult result=google.getGoogleResult();//取得搜索结果
out.println("<p>");
out.println("搜索结果共 "+result.getEstimatedTotalResultsCount()+"条!");
//out.println("<br />");
out.println("查询关键词: "+result.getSearchQuery());
//out.println("<br />");
out.println("查询时间: "+result.getSearchTime());
out.println("</p>");
out.println("<br />");
out.println("---------------检-----索-----结-----果--------------");
GoogleSearchResultElement[] resultElements = result.getResultElements();
total = result.getEstimatedTotalResultsCount();//返回总数
if(total > 1000)
{
total = 1000;
}
if(total < 1)
{
%>
<jsp:forward page="search-index.jsp">
</jsp:forward>
<%
}
session.putValue("total",new Integer(total));//保存返回记录总数
int startIndex = result.getStartIndex() - 1 - (currentPage-1) * counts;
int endIndex = result.getEndIndex() - 1 - (currentPage-1) * counts;
out.println("<table border=\"1\" bordercolor=\"#ff0000\" cellpadding=\"0\" cellspacing=\"0\" >");
for(int i = startIndex;i <= endIndex; i++)
{
if((resultElements[i]) != null)
{
out.println("<tr>");
out.println("<td>");
out.println("<a href=\""+resultElements[i].getURL()+"\" >");
out.println(resultElements[i].getURL());
out.println("</a>");
out.println("<br />");
out.println("<p class=\"indent\">");
out.println("<b>");
out.println(resultElements[i].getSnippet());
out.println("</b>");
out.println("</p>");
out.println("</td>");
out.println("</tr>");
}
}
out.println("</table>");
out.println("<br />");
out.println("<br />");
out.println("<br />"); //////////////////*****分页显示******////////////////////////////
// 得到总的页数;
pageCounts = (total + counts - 1) / counts;
//得到有多少个下一页
nextPages = (pageCounts + pages - 1) / pages;
//下面主要工作是分页显示
int t;
int m = (nextPage-1)*pages+1;//下一页显示的第一个页面连接数,如:31
int n = nextPage*pages;//下一页显示的最后一个连接数,如:40
int k;
if(n > pageCounts)//如果下一个页面显示的页数大于现有的总页数
{
k = pageCounts;//则保留
}
else
{
k = n;
} out.print("<center>");
for(t=m;t<=k;t++)
{
if(currentPage == t)
{
out.print("<font color='#FF0000'><a href='search.jsp?page=");
out.print(t);
out.print("&keyword="+keyword+"&search-wide="+wide+"&total="+total+"&nextPage="+nextPage);
out.print("'>");
out.print(t);
out.print("</a></font>");
}
else
{
out.print("<a href='search.jsp?page=");
out.print(t);
out.print("&keyword="+keyword+"&search-wide="+wide+"&total="+total+"&nextPage="+nextPage);
out.print("'>");
out.print(t);
out.print("</a>");
}
out.print(" ");
}
if(n < pageCounts)
{
out.print("<a href='search.jsp?page=");
out.print(nextPage*pages+1);
out.print("&keyword="+keyword+"&search-wide="+wide+"&total="+total+"&nextPage="+(nextPage+1));
out.print("'>");
out.print("下一页");
out.print("</a>");
}
if(nextPage != 1)
{
out.print("<a href='search.jsp?page=");
out.print((nextPage-1)*pages+1);
out.print("&keyword="+keyword+"&search-wide="+wide+"&total="+total+"&nextPage="+(nextPage-1));
out.print("'>");
out.print("上一页");
out.print("</a>");
}
out.print("</center>");
////////////////////////
/*
out.print("<a href='");
out.print("search.jsp?page=1&keyword="+keyword+"&search-wide="+wide+"&total="+total);
out.print("'>");
out.print("1");
out.print("</a>");
/////
out.print("<a href='");
out.print("search.jsp?page=2&keyword="+keyword+"&search-wide="+wide+"&total="+total);
out.print("'>");
out.print("2");
out.print("</a>");
*/
///////////////////////
}
%>
<br />
<%@ include file="GRI-BOTTOM.jsp" %>
</body>
</html>
import java.util.*;public class NoteListBean implements Serializable{private ArrayList noteWriters=new ArrayList();
private ArrayList noteHitNums=new ArrayList();
private ArrayList noteIDs=new ArrayList();
private ArrayList noteTitles=new ArrayList();
private ArrayList notePics=new ArrayList();
private ArrayList noteRewriteNums=new ArrayList();
private ArrayList noteLastTimes=new ArrayList();public NoteListBean(){}public int getLength(){
return noteIDs.size();
}
public void setNoteIDs(String noteID){
noteIDs.add(noteID);
}public String getNoteIDs(int i){
return (String)noteIDs.get(i);
}public void setNotePics(String notePic){
notePics.add(notePic);
}public String getNotePics(int i){
return (String)notePics.get(i);
}public void setNoteWriters(String noteWriter){
noteWriters.add(noteWriter);
}public String getNoteWriters(int i){
return (String)noteWriters.get(i);
}public void setNoteTitles(String noteTitle){
noteTitles.add(noteTitle);
}public String getNoteTitles(int i){
return (String)noteTitles.get(i);
}public void setNoteRewriteNums(String noteRewriteNum){
noteRewriteNums.add(noteRewriteNum);
}public String getNoteRewriteNums(int i){
return (String)noteRewriteNums.get(i);
}public void setNoteHitNums(String noteHitNum){
noteHitNums.add(noteHitNum);
}public String getNoteHitNums(int i){
return (String)noteHitNums.get(i);
}
public void setNoteLastTimes(String noteLastTime){
noteLastTimes.add(noteLastTime);
}public String getNoteLastTimes(int i){
return (String)noteLastTimes.get(i);
}}
import java.util.*;
import com.bbs.bean.NoteListBean;public class PageList{private int pageSize=15;
private int recordCount=0;
private int pageCount=0;
private int showPage=1;
private int pageInt=0;NoteListBean Note=new NoteListBean();
public int getPageSize(){
return pageSize;
}
public void setRecordCount(int recordCount){
this.recordCount=recordCount;
}public int getRecordCount(){
return recordCount;
}public void setPageCount(){
this.pageCount=(recordCount % pageSize==0)?(recordCount/pageSize):(recordCount/pageSize+1);
}public int getPageCount(){
return pageCount;
}public void setShowPage(String page){
setPageCount();
if(page!=null){
this.showPage=Integer.parseInt(page);
if(this.showPage>pageCount)
this.showPage=pageCount;
else if(this.showPage<=0)
this.showPage=1;
}else
this.showPage=1;
}public int getShowPage(){
return showPage;
}public void setPageInt(){
if(recordCount>0)
this.pageInt=(showPage-1)*pageSize;
}public int getPageInt(){
setPageInt();
return pageInt;
}}