java 分頁顯示效果

<!-- lang: java -->
package com.qunfa.common;

import java.net.URLEncoder; import java.util.HashMap; import java.util.Iterator;

/**

• @author chchen

• @version 1.0 */ public class Page { public String output = ""; public String file; public String pvar = "p"; public int curPage; public String varStr = ""; public int totalPage; public int pageNumber = 10; private String charSet = "utf-8"; private String andString = "?";

  public void setCharSet(String charSet) { this.charSet = charSet; }

  public String getPvar() { return pvar; }

  public void setPvar(String pvar) { this.pvar = pvar; }

  public void setVars(HashMap<String, String> varMap) { if (varMap == null || varMap.size() == 0) return; Iterator<String> it = varMap.keySet().iterator(); while (it.hasNext()) { String key = it.next(); try { varStr += "&" + key + "=" + URLEncoder.encode(varMap.get(key), charSet); } catch (Exception e) { } } }

  public void setFilePath(String file) { this.file = file; }

  public void set(int totalPage, int curPage, int pageNumber) { if(this.file.indexOf("?")!=-1){ andString = "&"; } this.totalPage = totalPage; if (curPage > totalPage) curPage = totalPage; if (curPage < 1) curPage = 1; this.curPage = curPage; this.pageNumber = pageNumber; if (this.totalPage > 1) { this.output += "<table class="perpage"><tr><td>"; this.output += "<a href="" + this.file + andString + this.pvar + "=1" + this.varStr + "" title="首頁" class="sx">首頁</a>"; if (curPage > 1) { this.output += "<a href="" + this.file + andString + this.pvar + "=" + (curPage - 1) + (this.varStr) + "" title="ǰ1ҳ" class="ssx">上一頁</a>"; } int start = (int) Math.floor((double) curPage / pageNumber) * pageNumber;

  int end = start + pageNumber - 1;
  
   	if (start < 1)
   		start = 1;
   	if (end > this.totalPage)
   		end = this.totalPage;
  
   	if (curPage > 5) {
   		this.output += "<a href=\"" + this.file + andString
   				+ this.pvar + "=" + 1 + this.varStr + "\">1</a>";
   		this.output += "<a href=\"" + this.file + andString
   		+ this.pvar + "=" + 2 + this.varStr + "\">2</a>";
   		this.output += "<span>...</span>";
  
  
   		for (int j = curPage-2; j <= end; j++) {
   			if (curPage == j) {
   				this.output += "<span class=\"current\">"+ j + "</span>";
   			} else {
   				this.output += "<a href=\"" + this.file + andString
   						+ this.pvar + "=" + j + this.varStr + "\">" + j
   						+ "</a>";
   			}
   		}
   	}
   	else{
   		for (int i = start; i <= end; i++) {
  
   			if (curPage == i) {
   				this.output += "<span class=\"current\">"+ i + "</span>";
   			} else {
   				this.output += "<a href=\"" + this.file + andString
   						+ this.pvar + "=" + i + this.varStr + "\">" + i
   						+ "</a>";
   			}
   		}
   	}
  
   	if (this.totalPage > curPage
   			&& this.totalPage > 1) {
   		this.output += "<a href=\"" + this.file + andString + this.pvar + '='
   				+ (curPage + 1) + (this.varStr)
   				+ "\" title=\"��һҳ>\" class=\"ssx\">下一頁</a>";
   	}
   	this.output += "<a href=\"" + this.file + andString + this.pvar + '='
   			+ this.totalPage + (this.varStr) + "\" title=\"末頁\" class=\"sx\" >末頁</a>";
   	this.output += "<span class=\"abc\"  >總頁數<strong>"+totalPage+"</strong>頁</span></td></tr></table>";
   }

  }

  public String getOutput() { return output; }

  public void setOutput(String output) { this.output = output; }

  public int getCurPage() { return curPage; }

  public void setCurPage(int curPage) { this.curPage = curPage; } } strong text 須要填入的參數 Page page = new Page(); page.setPvar("pgn"); page.setFilePath("fanList.jsp"); page.setCharSet("GB2312"); page.set(PageCount,PageIdx,PageSize);