谁能给我个完整的java 分页代码 谢谢了

import java.sql.Connection;

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import java.sql.PreparedStatement;

import java.sql.ResultSet;

import java.util.Enumeration;

import javax.servlet.http.HttpServletRequest;

import com.lqh.dao.db.DBCon;

public class PageDAO {

public static final String Text = "text";

public static final String Image = "image";

public static final String BbsText = "bbstext";

public static final String BbsImage = "bbsimage";

private HttpServletRequest request;

private int currentpage = 1; // 当前是第几页

private int pagecount = 0; // 一共有多少页

private int rscount = 0; // 一共有多少行

private int pagesize = 10; // 每页有多少行[默认为20行]

public PageDAO(HttpServletRequest request) {

this.request = request;

}

public int getCurrentpage() {

return currentpage;

}

public void setCurrentpage(int currentpage) {

this.currentpage = currentpage;

}

public int getPagecount() {

return pagecount;

}

public void setPagecount(int pagecount) {

this.pagecount = pagecount;

}

public int getPagesize() {

return pagesize;

}

public void setPagesize(int pagesize) {

this.pagesize = pagesize;

}

public int getRscount() {

return rscount;

}

public void setRscount(int rscount) {

this.rscount = rscount;

}

/**

* 传入SQL语句获取总记录数

*/

public int getRsCountForRs(String sql) {

Connection conn = null;

PreparedStatement ps = null;

ResultSet rs = null;

DBCon dbcon=new DBCon();

try {

conn = dbcon.getConn();

ps = conn.prepareStatement(sql);

rs = ps.executeQuery();

if (rs.next()) {

rs.last();

this.rscount = rs.getRow();

} else {

this.rscount = 0;

}

} catch (Exception ex) {

ex.printStackTrace();

this.rscount = 0;

} finally {

dbcon.tryClose(rs, ps, conn);

}

return this.rscount;

}

public int getRsCountForSQL(String sql) {

Connection conn = null;

PreparedStatement ps = null;

ResultSet rs = null;

DBCon dbcon=new DBCon();

try {

conn = dbcon.getConn();

ps = conn.prepareStatement(sql);

rs = ps.executeQuery();

if (rs.next()) {

this.rscount = rs.getInt("rscount");

} else {

this.rscount = 0;

}

} catch (Exception ex) {

ex.printStackTrace();

this.rscount = 0;

} finally {

dbcon.tryClose(rs, ps, conn);

}

return this.rscount;

}

/**

* 获取总页数

*

* @return int

*/

public int getPageCount() {

try {

this.pagecount = ((this.rscount - 1) / this.pagesize) + 1;

} catch (Exception ex) {

this.pagecount = 0;

}

return this.pagecount;

}

/**

* 获取当前页码的设置

*

* @return int

*/

public int getCurrentPage() {

try {

if (this.request.getParameter("currentpage") != null

Integer.parseInt(this.request

.getParameter("currentpage")) 1) {

this.currentpage = Integer.parseInt(this.request

.getParameter("currentpage"));

} else {

this.currentpage = 1;

}

} catch (Exception ex) {

this.currentpage = 1;

}

return this.currentpage;

}

/**

* 分页工具条

*

* @param fileName

* String

* @return String

*/

public String pagetool(String flag) {

StringBuffer str = new StringBuffer();

String url = this.getParamUrl();

int ProPage = this.currentpage - 1;

int Nextpage = this.currentpage + 1;

// 文字的分页

if (flag.equals(PageDAO.Text)) {

str.append("form method='post' name='pageform' action=''");

str

.append("table style='color: windowframe' width='100%' border='0' cellspacing='0' cellpadding='0'");

str.append("tr");

str.append("td width='20%'/td");

str.append("td height='26'");

str.append("共有记录" + this.rscount + "条 ");

str.append("共" + this.pagecount + "页 ");

str.append("每页" + this.pagesize + "记录 ");

str.append("现在" + this.currentpage + "/" + this.pagecount + "页");

str.append("/tdtd");

if (this.currentpage 1) {

str.append("a href='" + url + "currentpage=1'首页/a");

str.append(" ");

str.append("a href='" + url + "currentpage=" + ProPage

+ "'上一页/a");

str.append(" ");

} else {

str.append("首页");

str.append(" ");

str.append("上一页");

str.append(" ");

}

if (this.currentpage this.pagecount) {

str.append("a href='" + url + "currentpage=" + Nextpage

+ "'下一页/a");

str.append(" ");

} else {

str.append("下一页");

str.append(" ");

}

if (this.pagecount 1 this.currentpage != this.pagecount) {

str.append("a href='" + url + "currentpage=" + pagecount

+ "'尾页/a");

str.append(" ");

} else {

str.append("尾页");

str.append(" ");

}

str.append("转到");

str

.append("select name='currentpage' onchange='javascript:ChangePage(this.value);'");

for (int j = 1; j = pagecount; j++) {

str.append("option value='" + j + "'");

if (currentpage == j) {

str.append("selected");

}

str.append("");

str.append("" + j + "");

str.append("/option");

}

str.append("/select页");

str.append("/tdtd width='3%' /td/tr/table");

str.append("script language='javascript'");

str.append("function ChangePage(testpage){");

str.append("document.pageform.action='" + url

+ "currentpage='+testpage+'';");

str.append("document.pageform.submit();");

str.append("}");

str.append("/script");

str.append("/form");

} else if (flag.equals(PageDAO.Image)) {

/**

* 图片的分页

*/

} else if (flag.equals(PageDAO.BbsText)) {

/**

* 论坛形式的分页[直接以数字方式体现]

*/

str

.append("table width='100%' border='0' cellspacing='0' cellpadding='0'");

str.append("tr");

str.append("td width='3%' /td");

str.append("td height='26'");

str.append("记录" + this.rscount + "条  ");

str.append("共" + this.pagecount + "页  ");

str.append("每页" + this.pagesize + "记录  ");

str.append("现在" + this.currentpage + "/" + this.pagecount + "页");

str.append("/tdtd");

// 设定是否有首页的链接

if (this.currentpage 1) {

str.append("a href='" + url + "currentpage=1'首页/a");

str.append("  ");

}

// 设定是否有上一页的链接

if (this.currentpage 1) {

str.append("a href='" + url + "currentpage=" + ProPage

+ "'上一页/a");

str.append("   ");

}

// 如果总页数只有10的话

if (this.pagecount = 10) {

for (int i = 1; i = this.pagecount; i++) {

if (this.currentpage == i) {

str.append("font color=red[" + i

+ "]/font  ");

} else {

str.append("a href='" + url + "currentpage=" + i

+ "'" + i + "/a  ");

}

}

} else {

// 说明总数有超过10页

// 制定特环的开始页和结束页

int endPage = this.currentpage + 4;

if (endPage this.pagecount) {

endPage = this.pagecount;

}

int startPage = 0;

if (this.pagecount = 8 this.currentpage = 8) {

startPage = this.currentpage - 5;

} else {

// 表示从第一页开始算

startPage = 1;

}

System.out.println(startPage);

System.out.println(endPage);

for (int i = startPage; i = endPage; i++) {

if (this.currentpage == i) {

str.append("font color=red[" + i

+ "]/font  ");

} else {

str.append("a href='" + url + "currentpage=" + i

+ "'" + i + "/a  ");

}

}

}

// 设定是否有下一页的链接

if (this.currentpage this.pagecount) {

str.append("a href='" + url + "currentpage=" + Nextpage

+ "'下一页/a");

str.append("  ");

}

// 设定是否有尾页的链接

if (this.pagecount 1 this.currentpage != this.pagecount) {

str.append("a href='" + url + "currentpage=" + pagecount

+ "'尾页/a");

str.append("  ");

}

str.append("/tdtd width='3%' /td/tr/table");

} else if (flag.equals(PageDAO.BbsImage)) {

/**

* 论坛形式的分页[以图片的方式体现]

*/

// 设定分页显示的CSS

str.append("style");

str

.append("BODY {FONT-SIZE: 12px;FONT-FAMILY:宋体;WIDTH: 60%; PADDING-LEFT: 25px;}");

str

.append("DIV.meneame {PADDING-RIGHT: 3px; PADDING-LEFT: 3px; FONT-SIZE: 80%; PADDING-BOTTOM: 3px; MARGIN: 3px; COLOR: #ff6500; PADDING-TOP: 3px; TEXT-ALIGN: center}");

str

.append("DIV.meneame A {BORDER-RIGHT: #ff9600 1px solid; PADDING-RIGHT: 7px; BACKGROUND-POSITION: 50% bottom; BORDER-TOP: #ff9600 1px solid; PADDING-LEFT: 7px; BACKGROUND-IMAGE: url('"

+ this.request.getContextPath()

+ "/meneame.jpg'); PADDING-BOTTOM: 5px; BORDER-LEFT: #ff9600 1px solid; COLOR: #ff6500; MARGIN-RIGHT: 3px; PADDING-TOP: 5px; BORDER-BOTTOM: #ff9600 1px solid; TEXT-DECORATION: none}");

str

.append("DIV.meneame A:hover {BORDER-RIGHT: #ff9600 1px solid; BORDER-TOP: #ff9600 1px solid; BACKGROUND-IMAGE: none; BORDER-LEFT: #ff9600 1px solid; COLOR: #ff6500; BORDER-BOTTOM: #ff9600 1px solid; BACKGROUND-COLOR: #ffc794}");

str

.append("DIV.meneame SPAN.current {BORDER-RIGHT: #ff6500 1px solid; PADDING-RIGHT: 7px; BORDER-TOP: #ff6500 1px solid; PADDING-LEFT: 7px; FONT-WEIGHT: bold; PADDING-BOTTOM: 5px; BORDER-LEFT: #ff6500 1px solid; COLOR: #ff6500; MARGIN-RIGHT: 3px; PADDING-TOP: 5px; BORDER-BOTTOM: #ff6500 1px solid; BACKGROUND-COLOR: #ffbe94}");

str

.append("DIV.meneame SPAN.disabled {BORDER-RIGHT: #ffe3c6 1px solid; PADDING-RIGHT: 7px; BORDER-TOP: #ffe3c6 1px solid; PADDING-LEFT: 7px; PADDING-BOTTOM: 5px; BORDER-LEFT: #ffe3c6 1px solid; COLOR: #ffe3c6; MARGIN-RIGHT: 3px; PADDING-TOP: 5px; BORDER-BOTTOM: #ffe3c6 1px solid}");

str.append("/style");

str.append("div class=\"meneame\"");

// 判定是否有上一页

if (this.currentpage 1) {

str.append("a href='" + url

+ "currentpage=1' hidefocus=\"true\"首页/a");

str.append("   ");

str.append("a href='" + url + "currentpage=" + ProPage

+ "' hidefocus=\"true\"上一页/a");

str.append("   ");

} else {

str.append("span class=\"disabled\"首页/span");

str.append("  ");

str.append("span class=\"disabled\"上一页/span");

str.append("  ");

}

// 显示中间的图片

if (this.pagecount = 10) {

for (int i = 1; i = this.pagecount; i++) {

if (this.currentpage == i) {

str.append("span class=\"current\"" + i + "/span");

} else {

str.append("a href='" + url + "currentpage=" + i

+ "' hidefocus=\"true\"" + i

+ "/a  ");

}

}

} else {

// 说明总数有超过10页

// 制定特环的开始页和结束页

int endPage = this.currentpage + 4;

if (endPage this.pagecount) {

endPage = this.pagecount;

}

int startPage = 0;

if (this.pagecount = 8 this.currentpage = 8) {

startPage = this.currentpage - 5;

} else {

// 表示从第一页开始算

startPage = 1;

}

System.out.println(startPage);

System.out.println(endPage);

for (int i = startPage; i = endPage; i++) {

if (this.currentpage == i) {

str.append("span class=\"current\"" + i + "/span");

} else {

str.append("a href='" + url + "currentpage=" + i

+ "' hidefocus=\"true\"" + i

+ "/a  ");

}

}

}

// 判断下一页和尾页

if (this.currentpage this.pagecount) {

if (this.currentpage this.pagecount - 10) {

str.append("...");

str.append("a href='" + url + "currentpage="

+ (this.pagecount - 1) + "' hidefocus=\"true\""

+ (this.pagecount - 1) + "/a  ");

str.append("a href='" + url + "currentpage="

+ this.pagecount + "' hidefocus=\"true\""

+ this.pagecount + "/a  ");

}

str.append("a href='" + url + "currentpage=" + Nextpage

+ "' hidefocus=\"true\"下一页/a");

str.append("  ");

} else {

str.append("span class=\"disabled\"下一页/span");

str.append("  ");

}

if (this.pagecount 1 this.currentpage != this.pagecount) {

str.append("a href='" + url + "currentpage=" + pagecount

+ "' hidefocus=\"true\"尾页/a");

str.append("  ");

} else {

str.append("span class=\"disabled\"尾页/span");

str.append("  ");

}

str.append("/div");

}

return str.toString();

}

public String getParamUrl() {

String url = "";

url = this.request.getRequestURI().toString();

if (url.indexOf("?") == -1) {

url = url + "?";

}

String totalParams = "";

Enumeration params = this.request.getParameterNames();// 得到所有参数名

while (params.hasMoreElements()) {

String tempName = params.nextElement().toString();

String tempValue = this.request.getParameter(tempName);

if (tempValue != null !tempValue.equals("")

!tempName.equals("currentpage")) {

if (totalParams.equals("")) {

totalParams = totalParams + tempName + "=" + tempValue;

} else {

totalParams = totalParams + "" + tempName + "="

+ tempValue;

}

}

}

String totalUrl = url + totalParams;

return totalUrl;

}

}

Java中实现分页效果的详细代码

head

%

const MaxPerPage=20

dim sql

dim rs

dim totalPut

dim CurrentPage

dim TotalPages

dim i,j

%

/head

body

%

conn = "DBQ=" + server.mappath("wj028.mdb") + ";DefaultDir=;DRIVER={Microsoft Access Driver (*.mdb)};"

sql = "SELECT * FROM USER order by id desc"

set rs=server.createobject("adodb.recordset")

rs.open SQL,conn,1,1

rs.MoveFirst

rs.pagesize=MaxPerPage

howmanyfields=rs.Fields.Count-1

If trim(Request("Page"))"" then

CurrentPage= CLng(request("Page"))

If CurrentPage rs.PageCount then

CurrentPage = rs.PageCount

End If

Else

CurrentPage= 1

End If

if rs.eof then

response.write "p align='center'没有记录!/p"

else

totalPut=rs.recordcount

if CurrentPage1 then

if (currentPage-1)*MaxPerPagetotalPut then

rs.move(currentPage-1)*MaxPerPage

dim bookmark

bookmark=rs.bookmark

end if

end if

dim n,k

if (totalPut mod MaxPerPage)=0 then

n= totalPut \ MaxPerPage

else

n= totalPut \ MaxPerPage + 1

end if%

% i=0

do while not rs.EOF and imaxperpage

%

%

rs.movenext

i=i+1

loop

%

第%=currentpage%页

共%=n%页

%

k=currentpage

if k1 then

response.write "[b"+"a href='list.asp?page=1'首页/a/b]"

response.write "[b"+"a href='list.asp?page="+cstr(k-1)+"'上一页/a/b]"

else

Response.Write "[首页][上一页]"

end if

if kn then

response.write "[b"+"a href='list.asp?page="+cstr(k+1)+"'下一页/a/b] "

response.write "[b"+"a href='list.asp?page="+cstr(n)+"'尾页/a/b] "

else

Response.Write "[下一页][尾页]"

end if

%

%

end if

set rs=nothing

set conn=nothing

%

/body

java中如何实现百度中的分页

/**

* 分页代码

* 

* @author Star

* @version 1.0 2008/07/08

*/

public class CutPage implements Serializable{

private static Log log = LogFactory.getLog(CutPage.class);

private int curPageNo = 0; // 当前页数，从0开始

private int size = 0; // 所有数据条数

private String url; // 页面跳转的路径

private List showList; // 当前页面需要显示的数据列表

private int pageSize = 20;// 每页显示的数据条数

private int groupSize = 1;// 多少页为一组

private String pageNavigation;// 导航条

/**

 * 每次通过sql语句从数据库里面分组取出需要显示的数据

 * 

 * @param request

 *            javax.servlet.http.HttpServletRequest对象

 * @param sql

 *            String 查询数据库的sql语句

 * @param pageSize

 *            int 每页显示的条数

 * @param groupSize

 *            int 分成多少组

 * @param url

 *            String 页面跳转的路径，若没有特殊的参数传递，可以传入null或""，

 *            如是在aciton里面调用，并且action是继承自DispatherAction的话最好传入完整的路径

 */

public void init(HttpServletRequest request, String sql, int pageSize,

int groupSize, int pageNo, String url) {

// 上一页、下一页跳转路径

if (url != null) {

this.url = url;

} else {

this.url = request.getRequestURL() + "";

}

if (pageSize  0)

this.pageSize = pageSize;// 每页多少条记录

if (groupSize  0)

this.groupSize = groupSize;

// 当前第几页

if (pageNo  0) {

this.curPageNo = 0;

} else {

this.curPageNo = pageNo;

}

int curGroup = this.curPageNo / this.groupSize + 1;

// 是否是新的一组数据，如果是则到数据库取数据

this.size = parseInt(request.getSession().getAttribute("page_all_size")

+ "", 0);

if (this.curPageNo % this.groupSize == 0

|| (request.getSession().getAttribute("cur_group") != null  parseInt(

"" + request.getSession().getAttribute("cur_group"), 1) != curGroup)

|| this.size == 0 || request.getParameter("reload") != null) {

request.getSession().setAttribute("cur_group", curGroup);

if (pageNo  0

 request.getSession().getAttribute("page_sql") != null) {

sql = request.getSession().getAttribute("page_sql") + "";

} else {

request.getSession().setAttribute("page_sql", sql);

}

this.size = getTotalCount(sql);

List list = getPageData(sql, (this.curPageNo / this.groupSize)

* this.pageSize * this.groupSize, this.pageSize

* this.groupSize);

request.getSession().setAttribute("page_all_size", this.size);

request.getSession().setAttribute("page_cur_list", list);

this.setShowList(list);// 设置页面上的显示数据

} else {

this.setShowList((List) request.getSession().getAttribute(

"page_cur_list"));// 设置页面上的显示数据

}

}

/**

 * 每次通过sql语句从数据库里面分组取出需要显示的数据

 * 

 * @param request

 *            javax.servlet.http.HttpServletRequest对象

 * @param sql

 *            String 查询数据库的sql语句

 * @param pageSize

 *            int 每页显示的条数

 * @param groupSize

 *            int 分成多少组

 * @param url

 *            String 页面跳转的路径，若没有特殊的参数传递，可以传入null或""，

 *            如是在aciton里面调用，并且action是继承自DispatherAction的话最好传入完整的路径

 */

public void init(HttpServletRequest request, String sql, int pageSize,

int groupSize, String url) {

// 当前第几页

String curPage = request.getParameter("pageNo");

init(request, sql, pageSize, groupSize, parseInt(curPage, -1), url);

}

/**

 * 每次通过sql语句从数据库里面分组取出需要显示的数据

 * 

 * @param request

 *            javax.servlet.http.HttpServletRequest对象

 * @param sql

 *            String 查询数据库的sql语句

 * @param pageSize

 *            int 每页显示的条数

 * @param groupSize

 *            int 分成多少组

 * @param url

 *            String 页面跳转的路径，若没有特殊的参数传递，可以传入null或""，

 *            如是在aciton里面调用，并且action是继承自DispatherAction的话最好传入完整的路径

 */

public void init(HttpServletRequest request, String sql, int pageSize,

int groupSize, int pageNo) {

init(request, sql, pageSize, groupSize, pageNo, "");

}

太多了，贴不下，见附件

如何用java实现分页效果（eclipse工具）

package dl.wsxx.base;

public class Pager {

private int totalRows; // 总行数

private int pageSize; // 每页显示的行数

private int currentPage; // 当前页号

private int totalPages; // 总页数

private int startRow; // 当前页在数据库中的起始行

private int pageStartRow; // 当前页开始行

private int pageEndRow; // 当前页结束行

private int hasNextPage; // 下一页存在标识[0:不存在，1:存在]

private int hasPreviousPage; // 前一页存在标识[0:不存在，1:存在]

public Pager() {

}

public Pager(int _totalRows,int _pageSize) {

pageSize = _pageSize;

totalRows = _totalRows;

totalPages = totalRows / pageSize;

int mod = totalRows % pageSize;

if (mod 0) {

totalPages++;

}

currentPage = 1;

startRow = 0;

}

public int getStartRow() {

return startRow;

}

public int getpageStartRow() {

return pageStartRow;

}

public int getpageEndRow() {

return pageEndRow;

}

public int getTotalPages() {

return totalPages;

}

public int getCurrentPage() {

return currentPage;

}

public int getPageSize() {

return pageSize;

}

public int getHasNextPage() {

return hasNextPage;

}

public int getHasPreviousPage() {

return hasPreviousPage;

}

public void setTotalRows(int totalRows) {

this.totalRows = totalRows;

}

public void setStartRow(int startRow) {

this.startRow = startRow;

}

public void setPageStartRow(int pageStartRow) {

this.pageStartRow = pageStartRow;

}

public void setPageEndRow(int pageEndRow) {

this.pageEndRow = pageEndRow;

}

public void setTotalPages(int totalPages) {

this.totalPages = totalPages;

}

public void setCurrentPage(int currentPage) {

this.currentPage = currentPage;

}

public void setPageSize(int pageSize) {

this.pageSize = pageSize;

}

public void setHasNextPage(int hasNextPage) {

this.hasNextPage = hasNextPage;

}

public void setHasPreviousPage(int hasPreviousPage) {

this.hasPreviousPage = hasPreviousPage;

}

public int getTotalRows() {

return totalRows;

}

public void first() {

currentPage = 1;

startRow = 0;

pageStartRow = startRow + 1;

this.hasFlagSet(currentPage, totalPages);

if (this.hasNextPage == 0) {

pageEndRow = totalRows;

} else {

pageEndRow = startRow + pageSize;

}

}

public void previous() {

if (currentPage == 1) {

return;

}

currentPage--;

startRow = (currentPage - 1) * pageSize;

pageStartRow = startRow + 1;

this.hasFlagSet(currentPage, totalPages);

if (this.hasNextPage == 0) {

pageEndRow = totalRows;

} else {

pageEndRow = startRow + pageSize;

}

}

public void next() {

if (currentPage totalPages) {

currentPage++;

}

startRow = (currentPage - 1) * pageSize;

pageStartRow = startRow + 1;

this.hasFlagSet(currentPage, totalPages);

if (this.hasNextPage == 0) {

pageEndRow = totalRows;

} else {

pageEndRow = startRow + pageSize;

}

}

public void last() {

currentPage = totalPages;

startRow = (currentPage - 1) * pageSize;

pageStartRow = startRow + 1;

this.hasFlagSet(currentPage, totalPages);

if (this.hasNextPage == 0) {

pageEndRow = totalRows;

} else {

pageEndRow = startRow + pageSize;

}

}

public void refresh(int _currentPage) {

currentPage = _currentPage;

if (currentPage totalPages) {

last();

}

this.hasFlagSet(currentPage, totalPages);

}

private void hasFlagSet(int currentPage, int totalPages) {

if (currentPage == totalPages) {

if (currentPage == 1) {

this.hasPreviousPage = 0;

this.hasNextPage = 0;

} else {

this.hasPreviousPage = 1;

this.hasNextPage = 0;

}

} else {

if (currentPage == 1) {

this.hasPreviousPage = 0;

this.hasNextPage = 1;

} else {

this.hasPreviousPage = 1;

this.hasNextPage = 1;

}

}

}

}

这是我的工程里的分页核心代码，希望对你有用，还有ssh分页文档，可以参照研究一下。

网站题目：java中的分页代码 javaee分页功能的实现和原理
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