【文件属性】：
文件名称：list分页（包含怎么调用分页的例子）
文件大小：4KB
文件格式：RAR
更新时间：2014-08-28 11:27:41
list 分页 jsp struts
list的分页
import java.util.ArrayList;
import java.util.List;
import com.jsp.vo.Client;
/**
* PageBean
*
* @author apple
*
*/
public class Page {
private int currentPage; // 当前页数
private int totalPages; // 总页数
private int pageRows =8; // 每页显示记录数
private int totalRows; // 总数据数
private int specPages; // 指定页数
private int pageStartRow ; // 每页的起始数
private int pageEndRow; // 每页的终止数
private boolean hasNextPage; // 是否有下一页
private boolean hasPreviousPage; // 是否有前一页
private List list;
/**
* 初始化对象
*
* @param tempList
* 结果集
*
*/
public Page(List tempList,int pageRows) {
this.list = tempList;
this.pageRows = pageRows;
this.totalRows = tempList.size();
this.currentPage = 1;
// 获取总页数
if ((totalRows % pageRows) == 0) {
totalPages = totalRows / pageRows;
if(this.totalRows == 0 ){
this.pageRows = 0;
}
} else {
totalPages = totalRows / pageRows + 1;
}
this.hasPreviousPage = false;
// 是否有下一页
if (currentPage == totalPages) {
hasNextPage = false;
} else {
hasNextPage = true;
}
this.pageStartRow = 0;
if (totalRows < pageRows) {
this.pageEndRow = totalRows;
} else {
this.pageEndRow = pageRows;
}
}
/**
* 获取当前页的对象集合
*
* @return List 对象集合
*/
public List getCurrentPageList() {
if (currentPage * pageRows < totalRows) {
pageEndRow = currentPage * pageRows;
pageStartRow = pageEndRow - pageRows;
} else {
pageEndRow = totalRows;
pageStartRow = pageRows * (totalPages - 1);
}
List pageList = new ArrayList();
for (int i = pageStartRow; i < pageEndRow; i++) {
pageList.add(list.get(i));
}
return pageList;
}
/**
* 获取上一页的对象集合
*
* @return List 对象集合
*/
public List getPreviousPage() {
currentPage--;
if (currentPage < 1) {
currentPage = 1;
}
if (currentPage >= totalPages) {
hasNextPage = false;
} else {
hasNextPage = true;
}
if ((currentPage - 1) > 0) {
hasPreviousPage = true;
} else {
hasPreviousPage = false;
}
List pageList = getCurrentPageList();
return pageList;
}
/**
* 获取下一页的对象集合
*
* @return List 对象集合
*/
public List getNextPage() {
currentPage++;
if ((currentPage - 1) > 0) {
hasPreviousPage = true;
} else {
hasPreviousPage = false;
}
if (currentPage >= totalPages) {
hasNextPage = false;
} else {
hasNextPage = true;
}
List pageList = getCurrentPageList();
return pageList;
}
/**
* 获取第一页
*
* @return List 对象集合
*/
public List getFirstList() {
List tempList = new ArrayList();
currentPage = 1;
int a = pageRows;
if(pageRows > this.totalRows){
a = this.totalRows;
this.hasPreviousPage = false;
this.hasNextPage = false;
}else{
this.hasPreviousPage = false;
this.hasNextPage = true;
}
for (int i = 0; i < a; i++) {
tempList.add(list.get(i));
}
return tempList;
}
/**
* 获取最后一页
*
* @return List 最后一页对象集合
*/
public List getLastList() {
List tempList = new ArrayList();
currentPage = totalPages;
if(pageRows >= totalRows){
this.hasPreviousPage = false;
this.hasNextPage = false;
}else{
this.hasNextPage = false;
this.hasPreviousPage = true;
}
for (int i = pageRows*(totalPages-1); i < this.totalRows; i++) {
tempList.add(list.get(i));
}
return tempList;
}
/**
* 获取指定页
*
* @return List 获取指定页对象集合
*/
public List AppointPageList(int specPages) {
List tempList = new ArrayList();
this.currentPage = specPages;
if(currentPage > this.totalPages){
this.currentPage = this.totalPages;
}
if(currentPage < 1){
this.currentPage = 1;
}else{
this.hasPreviousPage = false;
}
if(currentPage > 1){
this.hasPreviousPage = true;
}else{
this.hasPreviousPage = false;
}
if(this.currentPage < this.totalPages){
this.hasNextPage = true;
}else{
this.hasNextPage = false;
}
List pageList = this.getCurrentPageList();
return pageList;
}
【文件预览】：
list分页
----listClientsServlet.java(3KB)
----listClient.jsp(3KB)
楬瑳횷돒停条慪慶
