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Java code:
package ssh.web;
public class PageForm {
private int num; //µ±Ç°Ò³ºÅ, ²ÉÓÃ×ÔÈ»Êý¼ÆÊý 1,2,3,...
private int size; //Ò³Ãæ´óС:Ò»¸öÒ³ÃæÏÔʾ¶àÉÙ¸öÊý¾Ý
private int rowCount;//Êý¾Ý×ÜÊý£ºÒ»¹²ÓжàÉÙ¸öÊý¾Ý
private int pageCount; // Ò³Ãæ×ÜÊý
private int startRow;//µ±Ç°Ò³Ã濪ʼÐÐ, µÚÒ»ÐÐÊÇ0ÐÐ
private int first = 1;//µÚÒ»Ò³ Ò³ºÅ
private int last;//×îºóÒ³ Ò³ºÅ
private int next;//ÏÂÒ»Ò³ Ò³ºÅ
private int prev;//ǰҳ Ò³ºÅ
private int start;//Ò³ºÅʽµ¼º½, ÆðʼҳºÅ
private int end;//Ò³ºÅʽµ¼º½, ½áÊøÒ³ºÅ
private int numCount = 10;//Ò³ºÅʽµ¼º½, ×î¶àÏÔʾҳºÅÊýÁ¿ÎªnumCount+1;ÕâÀïÏÔʾ11Ò³¡£
public PageForm() {}
//ÎÒÏëÖªµÀÕâ¸ö¹¹Ôìʲôʱºòµ÷ÓᣱØÐënewÕâÖÖ¹¹ÔìÀàÐͲŻáµ÷Óðɣ¿ÄÇÎÒÔõô´«²ÎÊý±È½ÏºÃ¡£ÕâÊDZȽϴóµÄÒÉÎÊ¡£¡£ÇëÎñ±Ø¸æËßÎÒ
public PageForm(int size, int num, int rowCount) {
this.num = num;
this.size=size;
this.rowCount = rowCount;
this.pageCount = (int) Math.ceil((double)rowCount/size);
this.num = Math.min(this.num, pageCount);
this.num = Math.max(1, this.num);
this.startRow = (this.num-1) * size ;
this.last = this.pageCount;
this.next = Math.min( this.pageCount, this.num+1);
this.prev = Math.max(1 , this.num-1);
//¼ÆËãpage ¿ØÖÆ
start = Math.max(
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long startTime=System.currentTimeMillis();
// do something
long endTime=System.currentTimeMillis();
long spentTime=(endTime-startTime)/1000;
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²éAPI£¬¿´µ½FeatrueFactoryÓÐÕâ¸ö·½·¨
public Feature createPolyLine(double[][] thePoints,
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Java code:
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
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