📄 mysqlmultipage.java
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package com.mgie.pkmm.util.mysqlPage;
import com.mgie.pkmm.util.Per_home_admin_properties;
/**
* @author MG-小华仔
*This bean is to pagination like <<上x页 1|2|3|4|5 ....x >>下x页
*/
public class MysqlMultiPage implements MysqlPageImp{
int start_page=0;//页数开始的显示
int show_page=5;//每次显示多少页 如：<<上5页 1|2|3|4|5 >>下5页
int start_num=0;//
int per_page =10; //每页显示的数量
int total_page=0;//总页数
int end_page=start_page+show_page-1;//页数显示的结束
int page=0; //当前页数
int jump_page=0;
int mytotal_page;//自定义总页数
boolean hasNextPage = false; // 是否有下一页
boolean hasPreviousPage = false; // 是否有前一页
String actionLink="";
public MysqlMultiPage(){
}
public MysqlMultiPage(int total_page, int per_page,int show_page,String actionLink)
{
if(total_page>0)
{
if(total_page%per_page==0)
this.total_page=total_page/per_page;
else
this.total_page=total_page/per_page+1;
}
System.out.println("___________totalpage is :"+this.getTotal_page()+" "+this.total_page);
if(mytotal_page<total_page&&mytotal_page!=0)
mytotal_page=total_page;
this.per_page = per_page;
this.show_page = show_page;
this.actionLink = actionLink;
this.start_page = 0;//页数开始的显示
this.start_num = 0;
this.end_page=this.start_page+this.show_page-1;//页数显示的结束
this. page = 0; //当前页数
this.jump_page=0;
}
/***=========================Contorl part =========================****/
public void init(int total_page, int per_page,int show_page,String actionLink) {
// TODO Auto-generated method stub
if(total_page>0)
{
if(mytotal_page<total_page&&mytotal_page!=0)
total_page=mytotal_page;
if(total_page%per_page==0)
this.total_page=total_page/per_page;
else
this.total_page=total_page/per_page+1;
}
this.actionLink = actionLink;
this.per_page = per_page;
this.show_page = show_page;
}
public void jumpPage(int jump_page) {
// TODO Auto-generated method stub
if(jump_page<=0){
page=0;
start_page=0;
end_page=show_page-1;
}
else if(jump_page>total_page){
page = total_page-1;
end_page = total_page-1;
start_page =(total_page-1)-end_page%show_page;
}
else
{
page = jump_page-1;
this.jump_page = jump_page;
//输入的页数是show_page 的倍数
if(page%(show_page)==0&&page!=0)
start_page=show_page;
else{
start_page = page-page%(show_page);
}
if(start_page<show_page-1)
{
start_page=0;
if(total_page>show_page)
end_page=show_page-1;
else
end_page=total_page-1;
}
else
{
end_page=start_page+show_page-1;
if(end_page>total_page-1)
end_page=total_page-1;
}
//end_page=start_page+show_page-1;
}
start_num = (page * per_page);
}
public void nextPage() {
// TODO Auto-generated method stub
if ((total_page-(start_page+show_page)>0)&&(total_page-(start_page+show_page)<=show_page))
{
end_page = total_page-1;
this.hasNextPage=false;
start_page = start_page+show_page;
start_num = (start_page * per_page);
page = start_page;
}
else if((total_page-(start_page+show_page)>0)&&(total_page-(start_page+show_page)>show_page))
{
end_page = end_page +5;
this.hasNextPage=true;
start_page = start_page+show_page;
start_num = (start_page * per_page);
page = start_page;
}
/* System.out.println("the page "+page+" total "+total_page);
if ((total_page-(start_page+show_page)>0)&&(total_page-(start_page+show_page)<=show_page))
end_page = total_page-1;
else if((total_page-(start_page+show_page)>0)&&(total_page-(start_page+show_page)>show_page))
end_page = end_page +5;
if (page + 1 < total_page)
{
this.hasNextPage=false;
if(start_page+show_page<end_page&&start_page+show_page<total_page-1)
start_page = start_page+show_page;
start_num = (start_page * per_page);
page = start_page;
}*/
}
public void prvPage() {
// TODO Auto-generated method stub
if(total_page<show_page)
end_page = total_page;
else
end_page = start_page-1;
start_page=start_page-show_page;
if (start_page < 0)
{
start_page = 0;
start_num = 0;
if(total_page<show_page)
end_page = total_page;
else
end_page=show_page;
}
start_num = (start_page * per_page);
page = start_page;
}
public void description() {
String description =
" 共有页数: " + this.getTotal_page() +
" 当前页数为:" + this.getPage() +
" 是否有前一页: " + this.isHasPreviousPage() +
" 是否有下一页:" + this.isHasNextPage() +
" 开始行数:" + this.getStart_num() +
" 显示页数： "+this.getShow_page()+
" 开始页数: "+this.getStart_page()+
" 结束页数: "+this.getEnd_page()+
" 每页显示：" + this.getPer_page();
}
public String getLinkcode()
{
String code=this.getPage()+"/"+this.getTotal_page()+Per_home_admin_properties.page+" ";
String prvpageLink="＜上 "+show_page+Per_home_admin_properties.page;
String prvlinkString="<a href='"+actionLink+"&action=prvPage'>＜上"+show_page+Per_home_admin_properties.page+"</a>";
String nextpageLink="下 "+show_page+Per_home_admin_properties.page+"＞";
String nextlinkString="<a href='"+actionLink+"&action=nextPage'>下 "+show_page+Per_home_admin_properties.page+"＞</a>";
String jumppageLink="";
String javascript="<script>function jump(){var a= document.getElementById('jumpBox').value;window.location='"+actionLink+"&action=jumpPage&jumpPage='+a;}</script>";
String inputBox="<input type='text' id='jumpBox' name='jumpBox' value=0 onpropertychange="+'"'+"if(/\\D/g.test(value))value=value.replace(/\\D/g,'')"+'"' +"style='ime-mode:disabled' ondragenter='return false' maxlength=9 size=9>";
String jumpBt="<input type='button' name='jumpBt' value='跳转' onclick='jump()'>";
if (this.isHasPreviousPage())
{
prvpageLink=prvlinkString;
}
if(this.isHasNextPage())
{
nextpageLink=nextlinkString;
}
System.out.println("____________"+this.getStart_page()+" endpage"+this.getEnd_page());
for(int i=this.getStart_page();i<=this.getEnd_page();i++)
{
if(i!=this.getPage())
{
jumppageLink=jumppageLink+"<a href ='"+actionLink+"&action=jumpPage&jumpPage="+i+"'>"+ i +"</a>|";
}
else
{
jumppageLink=jumppageLink+"<font color='red'>"+this.getPage()+"</font>|";
}
}
code =code+ prvpageLink+" "+jumppageLink+" "+nextpageLink;//+" "+inputBox+" "+jumpBt+javascript;
return code;
}
public String getLinkcode_script()
{
String url=actionLink;
String str="";
String type="";
String actionLink_prvPage="";
String actionLink_nextPage="";
String actionLink_jumpPage="";
if(url.indexOf("china")!=-1){
str=url.substring(url.indexOf("china")+5);
url=url.substring(0,url.indexOf("china")+5);
}
actionLink_prvPage="<a href='#' onclick="+'"'+"getLinkcode_script('"+actionLink+"','&action=prvPage')"+'"'+">";
actionLink_nextPage="<a href='#' onclick="+'"'+"getLinkcode_script('"+actionLink+"','&action=pnextPage')"+'"'+">";
String code=this.getPage()+"/"+this.getTotal_page()+Per_home_admin_properties.page+" ";
String prvpageLink="＜上 "+show_page+Per_home_admin_properties.page;
String prvlinkString=actionLink_prvPage+"＜上"+show_page+Per_home_admin_properties.page+"</a>";
String nextpageLink="下 "+show_page+Per_home_admin_properties.page+"＞";
String nextlinkString=actionLink_nextPage+"下 "+show_page+Per_home_admin_properties.page+"＞</a>";
String jumppageLink="";
String javascript="<script>function jump(){var a= document.getElementById('jumpBox').value;window.location='"+actionLink+"&action=jumpPage&jumpPage='+a;}</script>";
String inputBox="<input type='text' id='jumpBox' name='jumpBox' value=0 onpropertychange="+'"'+"if(/\\D/g.test(value))value=value.replace(/\\D/g,'')"+'"' +"style='ime-mode:disabled' ondragenter='return false' maxlength=9 size=9>";
String jumpBt="<input type='button' name='jumpBt' value='跳转' onclick='jump()'>";
if (this.isHasPreviousPage())
{
prvpageLink=prvlinkString;
}
if(this.isHasNextPage())
{
nextpageLink=nextlinkString;
}
System.out.println("____________"+this.getStart_page()+" endpage"+this.getEnd_page());
for(int i=this.getStart_page();i<=this.getEnd_page();i++)
{
if(i!=this.getPage())
{
actionLink_jumpPage="<a href='#' onclick="+'"'+"getLinkcode_script('"+actionLink+"','&action=jumpPage&jumpPage="+i+"')"+'"'+">";
jumppageLink=jumppageLink+actionLink_jumpPage+ i +"</a>|";
}
else
{
jumppageLink=jumppageLink+"<font color='red'>"+this.getPage()+"</font>|";
}
}
code =code+ prvpageLink+" "+jumppageLink+" "+nextpageLink;//+" "+inputBox+" "+jumpBt+javascript;
return code;
}
//======================================================
public int getEnd_page() {
if(end_page<show_page&&total_page<=show_page)
return end_page=total_page;
else
return end_page+1;
}
public void setEnd_page(int end_page) {
this.end_page = end_page;
}
public int getMytotal_page() {
return mytotal_page;
}
public void setMytotal_page(int mytotal_page) {
this.mytotal_page = mytotal_page;
}
public int getPage() {
return page+1;
}
public void setPage(int page) {
this.page = page;
}
public int getPer_page() {
return per_page;
}
public void setPer_page(int per_page) {
this.per_page = per_page;
}
public int getShow_page() {
return show_page;
}
public void setShow_page(int show_page) {
this.show_page = show_page;
}
public int getStart_num() {
return start_num;
}
public void setStart_num(int start_num) {
this.start_num = start_num;
}
public int getStart_page() {
return start_page+1;
}
public void setStart_page(int start_page) {
this.start_page = start_page;
}
public int getTotal_page() {
return total_page;
}
public void setTotal_page(int total_page) {
this.total_page = total_page;
}
public boolean isHasNextPage() {
if(end_page>0 && end_page<total_page-1 && total_page>show_page)
return hasNextPage = true;
else
return hasNextPage=false;
}
public void setHasNextPage(boolean hasNextPage) {
this.hasNextPage = hasNextPage;
}
public boolean isHasPreviousPage() {
if(total_page>show_page && total_page>=end_page && start_page>=show_page)
return hasPreviousPage = true;
else
return hasPreviousPage = false;
}
public void setHasPreviousPage(boolean hasPreviousPage) {
this.hasPreviousPage = hasPreviousPage;
}
public int getJump_page() {
return jump_page;
}
public void setJump_page(int jump_page) {
this.jump_page = jump_page;
}
public String getActionLink() {
return actionLink;
}
public void setActionLink(String actionLink) {
this.actionLink = actionLink;
}
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