listsubjectpagniator.java

来自「cwbbs 云网论坛源码」· Java 代码 · 共 79 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 ListSubjectPagniator  extends Paginator {
    HttpServletRequest request;

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

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



         return str;
    }
}