createpage.java

java web开发宝典源代码

package com.yxq.bean;

public class CreatePage {
	private int CurrentP;
	private int AllP;
	private int AllR;
	private int PerR;
	private int PosR;
	
	public CreatePage(){
		CurrentP=1;
		AllP=0;
		AllR=0;
		PerR=9;
	}

	public int getPerR() {
		return PerR;
	}

	public void setPerR(int perR) {
		PerR = perR;
	}

	public int getPosR() {
		return PosR;
	}

	public int getAllP() {		
		return this.AllP;
	}

	public int getAllR() {
		return AllR;
	}

	public void setAllR(int allR) {
		AllR = allR;
		AllP=(AllR%PerR==0)?(AllR/PerR):((AllR/PerR+1));
	}

	public int getCurrentP() {
		return CurrentP;
	}

	public void setCurrentP(int currentP) {
		CurrentP = currentP;
		if(CurrentP<1)
			CurrentP=1;
		if(CurrentP>AllP)
			CurrentP=AllP;
		PosR=(CurrentP-1)*PerR+1;		
	}

	public String PrintPageLink(String gowhich){
		String subpagelink="";
		if(AllP>1){
			subpagelink="<table border='0' cellpadding='3'><tr><td>";
			if(CurrentP>1){
				subpagelink+="<a href='"+gowhich+"&showpage=1'>首页</a>&nbsp;";
				subpagelink+="<a href='"+gowhich+"&showpage="+(CurrentP-1)+"'>上一页</a>&nbsp;";
			}
			if(CurrentP<AllP){
				subpagelink+="<a href='"+gowhich+"&showpage="+(CurrentP+1)+"'>下一页</a>&nbsp;";
				subpagelink+="<a href='"+gowhich+"&showpage="+AllP+"'>尾页</a>";
			}
			subpagelink+="</td></tr></table>";			
		}
		return subpagelink;
	}
	public String PrintPageInfo(){
		String subpageinfo="";
		if(AllP>1){
			subpageinfo="<table border='0' cellpadding='3'><tr><td>";
			subpageinfo+="每页显示："+PerR+"/"+AllR+" 条记录！";
			subpageinfo+="当前页："+CurrentP+"/"+AllP+" 页！";
			subpageinfo+="</td></tr></table>";			
		}
		return subpageinfo;		
	}
}