page.tag

JSP+Servlet+JavaBean+标签文件写的分页标签！

<%@ tag body-content="empty" pageEncoding="GBK"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<%@ attribute name="tableName" required="true" %> <!-- 表名 -->
<%@ attribute name="columnNames" required="true"%> <!-- 列名 -->
<%@ attribute name="rowsPerPage" required="true" %> <!-- 每页显示的行数 -->
<%@ attribute name="primaryKey" required="true" %>  <!-- 主键字段 -->
<%@ attribute name="location" required="true" %>  <!-- 重定向的页面 -->
<%@ attribute name="titles" required="false" %>  <!-- 表头 -->
<%@ attribute name="width" required="false" %>   <!-- 表格宽度 -->
<%@ attribute name="align" required="false" %>   <!-- 对齐方式 -->
<jsp:useBean id="page2" scope="request" class="page.PageBean"/>

<!-- 将value的值储存至target对象的属性中 -->
<c:set value="${tableName}" target="${page2}" property="tableName"/>
<c:set value="${columnNames}" target="${page2}" property="columnNames"/>
<c:set value="${rowsPerPage}" target="${page2}" property="rowsPerPage"/>
<c:set value="${primaryKey}" target="${page2}" property="primaryKey"/>

<script type="text/javascript">
   <!--
     function Jumping()
     {
       document.PageForm.submit();
       return;
     }
     function gotoPage(pagenum)
     {
       document.PageForm.jumpPage.value = pagenum;
       document.PageForm.submit();
       return;
     }
   -->
</script>

<table border="1" align="${align}" width="${width}">
    <!-- 判断是否有表头属性,如果有则输出表头 -->
    <c:if test="${not empty titles}">
      <tr>
         <c:forTokens delims="," items="${titles}" var="title">
            <th>${title}</th>
         </c:forTokens>
      </tr>
    </c:if>
    <!-- 显示本页的数据 -->
    <c:forEach var="row" items="${page2.data}">
      <tr align="${align}">
        <c:forEach var="col" items="${row}">
          <td align="center">${col}</td>
        </c:forEach>
      </tr>
    </c:forEach>
</table>

<div align="${align}">
   <!-- 判断总页数是否多于1页 -->
   <c:if test="${page2.maxPage != 1}">
     <form action="/PageModule/pageservlet" name="PageForm" method="POST">
       每页${page2.rowsPerPage}行
       共${page2.maxRowCount}行
       第${page2.curPage}页
       共${page2.maxPage}页
       <br />
       <c:choose>
         <c:when test="${page2.curPage == 1}">
            首页  上一页
         </c:when>
         <c:otherwise>
            <a href="javascript:gotoPage(1)">首页</a>
            <a href="javascript:gotoPage(${page2.curPage - 1})">上一页</a>
         </c:otherwise>
       </c:choose>
       <c:choose>
         <c:when test="${page2.curPage == page2.maxPage}">
             下一页  尾页
         </c:when>
         <c:otherwise>
            <a href="javascript:gotoPage(${page2.curPage + 1})">下一页</a>
            <a href="javascript:gotoPage(${page2.maxPage})">尾页</a>
         </c:otherwise>
       </c:choose>
       转到第
       <select name="jumpPage" onchange="Jumping()">
        <c:forEach var="i" begin="1" end="${page2.maxPage}" step="1">
           <c:choose>
             <c:when test="${i == page2.curPage}">
                <option selected="selected" value="${i}">${i}</option>
             </c:when>
             <c:otherwise>
                <option value="${i}">${i}</option>
             </c:otherwise>
           </c:choose>
        </c:forEach>
      </select>
      <input type="hidden" name="location" value="${location}"/>
     </form>
  </c:if>
</div>