listdocpagniator.java

来自「cwbbs 云网论坛源码」· Java 代码 · 共 85 行

package cn.js.fan.module.cms.template;

import javax.servlet.http.*;

import cn.js.fan.db.*;
import cn.js.fan.module.cms.*;
import cn.js.fan.web.*;


public class ListDocPagniator extends Paginator {
    HttpServletRequest request;

    static int pagePosition = 0;

     public ListDocPagniator(HttpServletRequest request, long total, int pagesize) {
         super(request, total, pagesize);
         this.request = request;
     }

     
     public int pageNum2No(int pageNum) {
         return totalpages - pageNum + 1;
     }

     
     public int pageNo2Num(int pageNo) {
         return totalpages - pageNo + 1;
     }

     
     public String getHtmlCurPageBlock(Leaf lf, int curPage) {
         this.curPage = curPage;
         intpagenum();

         if (pagenumbegin == 0)
             return "";

         String str = "";
         String rootPath = "";
         if (!Global.virtualPath.equals(""))
             rootPath = "/" + Global.virtualPath;

         cn.js.fan.module.cms.Config cfg = new cn.js.fan.module.cms.Config();

         if (curpagenumblock > 1) { 
             str += "<a title='往前' href='" + rootPath + "/" + lf.getListHtmlNameByPageNo(pageNum2No(pagenumbegin - 1)) + "'>" + "上一页" + "</a> ";
         }
         for (int i = pagenumbegin; i <= pagenumend; i++) {
             if (i == curPage)
                 str += i + " ";
             else
                 str += "[<a href='" + rootPath + "/" + lf.getListHtmlNameByPageNo(pageNum2No(i)) + "'>" + i +
                         "</a>] ";
         }
         if (curpagenumblock < totalpagenumblock) { 
             str += "<a title='往后' href='" + rootPath + "/" + lf.getListHtmlNameByPageNo(pageNum2No(pagenumend + 1)) +
                     "'>" + "下一页" + "</a>";
         }

         String pre = "_" + pagePosition;
         str += "<input name=" + "pageNum" + pre + " size=2 style=width:30px onKeyDown=" +
                   "page_presskey" + pre + "(this.value)>";
         str += "<input type=button value=GO onClick=" +
                   "changepage" + pre + "(" + "pageNum" + pre + ".value)>";

           str += "<script language='javascript'>";
           str += "function changepage" + pre + "(num){";
           str += "window.location.href='" + lf.getCode() + "_" + "'+(" + totalpages +
                   " - num + 1)+'." + cfg.getProperty("cms.html_ext") + "';";
           str += "}";
           str += "function page_presskey" + pre + "(num) {";
           str += "if (window.event.keyCode==13) {";
           str += "changepage(num);window.event.cancelBubble=true;";
           str += "}";
           str += "}</script>";

        pagePosition++;
        if (pagePosition>500) {
            pagePosition = 0;
        }

         return str;
    }
}