分页
jsp页面：
<s:if test="currentpage==pagecount">
<s:iterator value="empss" begin="beginpage" end="empss.size()-1">
<tr class="row1">
<td><s:property value='id' /></td>
<td><s:property value='name' /></td>
<td><s:property value='salary' /></td>
<td><s:property value='age' /></td>
<td><s:property value='dept.name' /></td>
<td><a title="<s:property value='id'/>"
href="javascript:void(0)" class="sty1">delete emp</a>
| <a
href="<s:url value='/emps/emps_queryEmpsByIdAction'/>?emps.id=<s:property value='id'/>">update
emp</a></td>
</tr>
</s:iterator>
</s:if>
<s:else>
<s:iterator value="empss" begin="beginpage" end="endpage">
<tr class="row1">
<td><s:property value='id' /></td>
<td><s:property value='name' /></td>
<td><s:property value='salary' /></td>
<td><s:property value='age' /></td>
<td><s:property value='dept.name' /></td>
<td><a title="<s:property value='id'/>"
href="javascript:void(0)" class="sty1">delete emp</a>
| <a
href="<s:url value='/emps/emps_queryEmpsByIdAction'/>?emps.id=<s:property value='id'/>">update
emp</a></td>
</tr>
</s:iterator>
</s:else>
</table>
<form action="<s:url value='/emps/emps_queryEmpsByDidAction'/>"
method="post">
<div class="pagination">
<s:if test="currentpage==1">
<a href="javascript:void(0)">上一页</a>
</li>
</s:if>
<s:else>
<a
href="<s:url value='/emps/emps_queryEmpsByDidAction'/>?currentpage=<s:property value='currentpage-1'/>">上一页</a>
</s:else>
<span> <s:iterator begin="1" end="pagecount" step="1"
var="pp">
<a class="currentPage"
href="<s:url value='/emps/emps_queryEmpsByDidAction'/>?currentpage=<s:property value='#pp'/>"><s:property
value="#pp" /></a>
</s:iterator>
</span>
<s:if test="currentpage==pagecount">
<a href="javascript:void(0)">下一页</a>
</s:if>
<s:else>
<a
href="<s:url value='/emps/emps_queryEmpsByDidAction'/>?currentpage=<s:property value='currentpage+1'/>">下一页</a>
</s:else>
<span class="pageSkip"> 共<input type="text"
readonly="readonly" id="in1"
value="<s:property value='pagecount'/>" />页 到第<input
id="pageNumber" name="currentpage" maxlength="9"
οnpaste="return false;">页
<button type="button" id="butt1"> </button>
</span>
</form>
</div>
action页面：
// 后台分页
public String selectPage(){
System.out.println(page);
Integer p = null;
if (page == null || page == ""){
p = 1;
}else {
p = Integer.parseInt(page);
}
list = es.queryByPage(p);
return "selectPageOk";
}
// 计算 每页的第一条 和最后一条 每页显示5条
Integer begin = (page - 1) * 5 + 1;
Integer end = page * 5;
// 调用dao
List<Employee> list = dao.selectByPage(begin, end);
return list;
//前台分页
public String queryByPage(){
list = es.queryAllEmps();//查询所有
beginPage = (currentPage-1)*pageSize;
endPage=currentPage*pageSize-1;
if(list!=null){
pageCount = (list.size()-1)/pageSize+1;
}
return "queryByPageOk";
}
