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java中的分頁代碼 javaee分頁功能的實(shí)現(xiàn)和原理

誰能給我個(gè)完整的java 分頁代碼 謝謝了

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; // 當(dāng)前是第幾頁

private int pagecount = 0; // 一共有多少頁

private int rscount = 0; // 一共有多少行

private int pagesize = 10; // 每頁有多少行[默認(rèn)為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;

}

/**

* 傳入SQL語句獲取總記錄數(shù)

*/

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;

}

/**

* 獲取總頁數(shù)

*

* @return int

*/

public int getPageCount() {

try {

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

} catch (Exception ex) {

this.pagecount = 0;

}

return this.pagecount;

}

/**

* 獲取當(dāng)前頁碼的設(shè)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;

}

/**

* 分頁工具條

*

* @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;

// 文字的分頁

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("共有記錄" + this.rscount + "條?");

str.append("共" + this.pagecount + "頁?");

str.append("每頁" + this.pagesize + "記錄?");

str.append("現(xiàn)在" + this.currentpage + "/" + this.pagecount + "頁");

str.append("/tdtd");

if (this.currentpage 1) {

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

str.append("?");

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

+ "'上一頁/a");

str.append("?");

} else {

str.append("首頁");

str.append("?");

str.append("上一頁");

str.append("?");

}

if (this.currentpage this.pagecount) {

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

+ "'下一頁/a");

str.append("?");

} else {

str.append("下一頁");

str.append("?");

}

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

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

+ "'尾頁/a");

str.append("?");

} else {

str.append("尾頁");

str.append("?");

}

str.append("轉(zhuǎn)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頁");

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)) {

/**

* 圖片的分頁

*/

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

/**

* 論壇形式的分頁[直接以數(shù)字方式體現(xiàn)]

*/

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("記錄" + this.rscount + "條??");

str.append("共" + this.pagecount + "頁??");

str.append("每頁" + this.pagesize + "記錄??");

str.append("現(xiàn)在" + this.currentpage + "/" + this.pagecount + "頁");

str.append("/tdtd");

// 設(shè)定是否有首頁的鏈接

if (this.currentpage 1) {

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

str.append("??");

}

// 設(shè)定是否有上一頁的鏈接

if (this.currentpage 1) {

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

+ "'上一頁/a");

str.append("???");

}

// 如果總頁數(shù)只有10的話

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 {

// 說明總數(shù)有超過10頁

// 制定特環(huán)的開始頁和結(jié)束頁

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 {

// 表示從第一頁開始算

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??");

}

}

}

// 設(shè)定是否有下一頁的鏈接

if (this.currentpage this.pagecount) {

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

+ "'下一頁/a");

str.append("??");

}

// 設(shè)定是否有尾頁的鏈接

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

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

+ "'尾頁/a");

str.append("??");

}

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

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

/**

* 論壇形式的分頁[以圖片的方式體現(xiàn)]

*/

// 設(shè)定分頁顯示的CSS

str.append("style");

str

.append("BODY {FONT-SIZE: 12px;FONT-FAMILY:宋體;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\"");

// 判定是否有上一頁

if (this.currentpage 1) {

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

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

str.append("???");

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

+ "' hidefocus=\"true\"上一頁/a");

str.append("???");

} else {

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

str.append("??");

str.append("span class=\"disabled\"上一頁/span");

str.append("??");

}

// 顯示中間的圖片

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 {

// 說明總數(shù)有超過10頁

// 制定特環(huán)的開始頁和結(jié)束頁

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 {

// 表示從第一頁開始算

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??");

}

}

}

// 判斷下一頁和尾頁

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\"下一頁/a");

str.append("??");

} else {

str.append("span class=\"disabled\"下一頁/span");

str.append("??");

}

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

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

+ "' hidefocus=\"true\"尾頁/a");

str.append("??");

} else {

str.append("span class=\"disabled\"尾頁/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();// 得到所有參數(shù)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中實(shí)現(xiàn)分頁效果的詳細(xì)代碼

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'沒有記錄!/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%頁

共%=n%頁

%

k=currentpage

if k1 then

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

response.write "[b"+"a href='list.asp?page="+cstr(k-1)+"'上一頁/a/b]"

else

Response.Write "[首頁][上一頁]"

end if

if kn then

response.write "[b"+"a href='list.asp?page="+cstr(k+1)+"'下一頁/a/b] "

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

else

Response.Write "[下一頁][尾頁]"

end if

%

%

end if

set rs=nothing

set conn=nothing

%

/body

java中如何實(shí)現(xiàn)百度中的分頁

/**

*?分頁代碼

*?

*?@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;?//?當(dāng)前頁數(shù),從0開始

private?int?size?=?0;?//?所有數(shù)據(jù)條數(shù)

private?String?url;?//?頁面跳轉(zhuǎn)的路徑

private?List?showList;?//?當(dāng)前頁面需要顯示的數(shù)據(jù)列表

private?int?pageSize?=?20;//?每頁顯示的數(shù)據(jù)條數(shù)

private?int?groupSize?=?1;//?多少頁為一組

private?String?pageNavigation;//?導(dǎo)航條

/**

?*?每次通過sql語句從數(shù)據(jù)庫里面分組取出需要顯示的數(shù)據(jù)

?*?

?*?@param?request

?*????????????javax.servlet.http.HttpServletRequest對象

?*?@param?sql

?*????????????String?查詢數(shù)據(jù)庫的sql語句

?*?@param?pageSize

?*????????????int?每頁顯示的條數(shù)

?*?@param?groupSize

?*????????????int?分成多少組

?*?@param?url

?*????????????String?頁面跳轉(zhuǎn)的路徑,若沒有特殊的參數(shù)傳遞,可以傳入null或"",

?*????????????如是在aciton里面調(diào)用,并且action是繼承自DispatherAction的話最好傳入完整的路徑

?*/

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

int?groupSize,?int?pageNo,?String?url)?{

//?上一頁、下一頁跳轉(zhuǎn)路徑

if?(url?!=?null)?{

this.url?=?url;

}?else?{

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

}

if?(pageSize??0)

this.pageSize?=?pageSize;//?每頁多少條記錄

if?(groupSize??0)

this.groupSize?=?groupSize;

//?當(dāng)前第幾頁

if?(pageNo??0)?{

this.curPageNo?=?0;

}?else?{

this.curPageNo?=?pageNo;

}

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

//?是否是新的一組數(shù)據(jù),如果是則到數(shù)據(jù)庫取數(shù)據(jù)

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);//?設(shè)置頁面上的顯示數(shù)據(jù)

}?else?{

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

"page_cur_list"));//?設(shè)置頁面上的顯示數(shù)據(jù)

}

}

/**

?*?每次通過sql語句從數(shù)據(jù)庫里面分組取出需要顯示的數(shù)據(jù)

?*?

?*?@param?request

?*????????????javax.servlet.http.HttpServletRequest對象

?*?@param?sql

?*????????????String?查詢數(shù)據(jù)庫的sql語句

?*?@param?pageSize

?*????????????int?每頁顯示的條數(shù)

?*?@param?groupSize

?*????????????int?分成多少組

?*?@param?url

?*????????????String?頁面跳轉(zhuǎn)的路徑,若沒有特殊的參數(shù)傳遞,可以傳入null或"",

?*????????????如是在aciton里面調(diào)用,并且action是繼承自DispatherAction的話最好傳入完整的路徑

?*/

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

int?groupSize,?String?url)?{

//?當(dāng)前第幾頁

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

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

}

/**

?*?每次通過sql語句從數(shù)據(jù)庫里面分組取出需要顯示的數(shù)據(jù)

?*?

?*?@param?request

?*????????????javax.servlet.http.HttpServletRequest對象

?*?@param?sql

?*????????????String?查詢數(shù)據(jù)庫的sql語句

?*?@param?pageSize

?*????????????int?每頁顯示的條數(shù)

?*?@param?groupSize

?*????????????int?分成多少組

?*?@param?url

?*????????????String?頁面跳轉(zhuǎn)的路徑,若沒有特殊的參數(shù)傳遞,可以傳入null或"",

?*????????????如是在aciton里面調(diào)用,并且action是繼承自DispatherAction的話最好傳入完整的路徑

?*/

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

int?groupSize,?int?pageNo)?{

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

}

太多了,貼不下,見附件

如何用java實(shí)現(xiàn)分頁效果(eclipse工具)

package dl.wsxx.base;

public class Pager {

private int totalRows; // 總行數(shù)

private int pageSize; // 每頁顯示的行數(shù)

private int currentPage; // 當(dāng)前頁號

private int totalPages; // 總頁數(shù)

private int startRow; // 當(dāng)前頁在數(shù)據(jù)庫中的起始行

private int pageStartRow; // 當(dāng)前頁開始行

private int pageEndRow; // 當(dāng)前頁結(jié)束行

private int hasNextPage; // 下一頁存在標(biāo)識[0:不存在,1:存在]

private int hasPreviousPage; // 前一頁存在標(biāo)識[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;

}

}

}

}

這是我的工程里的分頁核心代碼,希望對你有用,還有ssh分頁文檔,可以參照研究一下。

文章標(biāo)題:java中的分頁代碼 javaee分頁功能的實(shí)現(xiàn)和原理
文章路徑:http://m.newbst.com/article44/ddojshe.html

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