pagination.java

来自「这个是j2eejava web 编程精要十五讲的全部源码。对学习java web」· Java 代码 · 共 69 行

package foton.util;

/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2004</p>
 * <p>Company: </p>
 * @author not attributable
 * @version 1.0
 */

public class Pagination {
  public Pagination() {
  }

  public static String getPaginationScript(int currPage,int pageNum,int RecordNum,String url){

    StringBuffer sb = new StringBuffer();

    int recordNum = RecordNum;                       //总记录数
    int StartRecord = 0;                             //开始的记录数
    int EndRecord = 0;                               //结束的记录数
    int PagesNum = 0;                                //总页数
    int LineNum = pageNum;                           //每页显示的记录数
    int CurrentPage = currPage;                      //当前页

    if(RecordNum > 0){
      PagesNum = (int) (RecordNum / LineNum);
      if ( (RecordNum % LineNum) != 0)
        PagesNum++;
    }
    StartRecord = CurrentPage * LineNum;
    EndRecord = StartRecord + LineNum;
    if(EndRecord > RecordNum)
      EndRecord = RecordNum;

    sb.append("共<font color=\"#3366CC\">"+recordNum+"</font>条记录，");
    sb.append("本页显示<font color=\"#3366CC\">"+((recordNum > 0) ? (StartRecord+1) : 0)+" - " + (EndRecord) + "</font>条，");
    sb.append("第<font color=\"#3333CC\">"+((recordNum > 0) ? (CurrentPage+1) : 0)+" / "+PagesNum+"</font>页");
    if(CurrentPage == 0)
    {
      sb.append(" | 首 页 上一页 ");
    }
    else
    {
      sb.append(
          "|<a href="+url+"?pages=0> 首 页 </a>");
      sb.append("<a href="+url+"?pages="+(CurrentPage-1)
                 + "> 上一页 </a>");
    }

    if((CurrentPage+1) >= PagesNum)
    {
      sb.append(" 下一页 末 页 |");
    }
    else
    {
      sb.append("<a href="+url+"?pages="+ (CurrentPage+1)
                + "> 下一页 </a>");
      sb.append(
          "<a href="+url+"?pages="+(PagesNum-1) +"> 末 页 </a>|");
    }


    return sb.toString();
  }


}