| 发表于：2007-11-26 15:11:263楼 得分:0 |
splitpage1.java
import java.util.arraylist;
import java.util.list;
import java.util.map;
public class splitpage1
{
int start = 0;
long end = 0;
private int pagesize,current;
private int currentpageno;
private long pagescount,pagetotalrecords;
public int getpagesize（) {
return pagesize;
}
public void setpagesize（int pagesize) {
this.pagesize = pagesize;
}
public int getcurrent（) {
return current;
}
public void setcurrent（int current) {
this.current = current;
}
public int getcurrentpageno（) {
return currentpageno;
}
public void setcurrentpageno（int currentpageno) {
this.currentpageno = currentpageno;
}
public long getpagescount（) {
return pagescount;
}
public void setpagescount（long pagescount) {
this.pagescount = pagescount;
}
public long getpagetotalrecords（) {
return pagetotalrecords;
}
public void setpagetotalrecords（long pagetotalrecords) {
this.pagetotalrecords = pagetotalrecords;
}
public list <map> getpagevalue（list <map> list) throws exception
{
this.pagetotalrecords = list.size（);
if（this.pagetotalrecords==0)
{
this.pagescount = 1;
}
else
{
if（this.pagetotalrecords%this.pagesize==0)
{
this.pagescount = this.pagetotalrecords/this.pagesize;
}
else
{
this.pagescount = this.pagetotalrecords/this.pagesize+1;
}
}
start = （this.current-1) * this.pagesize;
end = this.current * this.pagesize;
this.currentpageno = this.current;
if（end> this.pagetotalrecords)end=this.pagetotalrecords;
list <map> li = new arraylist（);
for（int i=start;i <end;i++)
{
li.add（list.get（i));
}
return li;
}
public void getpagevalue（long count) throws exception
{
this.pagetotalrecords = count;
if（this.pagetotalrecords==0)
{
this.pagescount = 1;
}
else
{
if（this.pagetotalrecords%this.pagesize==0)
{
this.pagescount = this.pagetotalrecords/this.pagesize;
}
else
{
this.pagescount = this.pagetotalrecords/this.pagesize+1;
}
}
start = （this.current-1) * this.pagesize;
end = this.current * this.pagesize;
this.currentpageno = this.current;
if（end> this.pagetotalrecords)end=this.pagetotalrecords;
}
public static void main（string[] args) {
// todo auto-generated method stub
}
}
action.java
//查询函数
private void query（httpservletrequest request, agentvo agentvo) {
// todo auto-generated method stub
try{
splitpage1 sp = new splitpage1（);
string scurpages=request.getparameter（"curpages"); //
int icurpages=1;
if（!（（scurpages==null) ¦ ¦scurpages.equals（"")))
{
icurpages=integer.parseint（scurpages);
}
sp.setcurrent（icurpages);
sp.setpagesize（integer.valueof（constant.icf_per_num));
long page=long.valueof（icurpages)-1;
// list <map> list = offerservice.getofferinfo（begindate, enddate,prvoname,page,cardshop);
// sp.getpagevalue（offerservice.getofferlistcount（begindate, enddate,prvoname,cardshop));
list <map> list=sp.getpagevalue（agentservice.getagentinfo（agentvo));
if（icurpages <sp.getpagescount（))
{
request.setattribute（"nextpages",string.valueof（sp.getcurrentpageno（)+1)); //
request.setattribute（"lastpages",string.valueof（sp.getpagescount（))); //
}
if（icurpages> 1)
{
request.setattribute（"previouspages",string.valueof（sp.getcurrentpageno（)-1)); // request.setattribute（"firstpages","1");
}
request.setattribute（"totalrecords", sp.getpagetotalrecords（));
request.setattribute（"totalpages", sp.getpagescount（));
request.setattribute（"curpages", sp.getcurrentpageno（));
request.setattribute（"list", list);
}
catch（exception e)
{
e.printstacktrace（);
}
}
原理是这样，具体可以自己修改， | | |
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