/** * 分页查询 * @param pageNo 第几页 * @param pageSize 每页多少条数据 * @return pageModel */ public PageModel findUserList(int pageNo, int pageSize) { StringBuffer sbSql = new StringBuffer(); sbSql.append("select user_id, user_name, password, contact_tel, email, create_date ") .append("from ") .append("( ") .append("select rownum rn, user_id, user_name, password, contact_tel, email, create_date ") .append("from ") .append("( ") .append("select user_id, user_name, password, contact_tel, email, create_date from t_user where user_id <> 'root' order by user_id ") .append(") where rownum <= ? ") .append(") where rn > ? "); Connection conn = null; PreparedStatement pstmt = null; ResultSet rs = null; PageModel pageModel = null; try { conn = DbUtil.getConnection(); pstmt = conn.prepareStatement(sbSql.toString()); pstmt.setInt(1, pageNo * pageSize); pstmt.setInt(2, (pageNo - 1) * pageSize); rs = pstmt.executeQuery(); List userList = new ArrayList(); while (rs.next()) { User user = new User(); user.setUserId(rs.getString("user_id")); user.setUserName(rs.getString("user_name")); user.setPassword(rs.getString("password")); user.setContactTel(rs.getString("contact_tel")); user.setEmail(rs.getString("email")); user.setCreateDate(rs.getTimestamp("create_date")); userList.add(user); } pageModel = new PageModel(); pageModel.setList(userList); pageModel.setTotalRecords(getTotalRecords(conn)); pageModel.setPageSize(pageSize); pageModel.setPageNo(pageNo); }catch(SQLException e) { e.printStackTrace(); }finally { DbUtil.close(rs); DbUtil.close(pstmt); DbUtil.close(conn); } return pageModel; }
前台jsp:
<%@ page language="java" contentType="text/html; charset=GB18030"
pageEncoding="GB18030"%>
<%@ page import="java.util.*" %>
<%@ page import="java.text.*" %>
<%@ page import="com.bjpowernode.drp.sysmgr.domain.*" %>
<%@ page import ="com.bjpowernode.drp.sysmgr.manager.*" %>
<%@ page import ="com.bjpowernode.drp.util.*" %>
<%@ page import="java.util.List" %>
<%
int pageNo=1;
int pageSize=2;
PageModel pageModel=UserManager.getInstance().findUserList(pageNo,pageSize);
%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=GB18030">
<title>用户维护</title>
<link rel="stylesheet" href="../style/drp.css">
<script type="text/javascript">
function addUser() {
window.self.location = "user_add.jsp";
}
function modifyUser() {
window.self.location = "user_modify.html";
}
function deleteUser() {
//alert("删除");--
// TODO
var selectFlags=document.getElementsByName("selectFlag");
for (var i=0;i<selectFlags.length;i++){
if(selectFlags[i].checked=false){
alert("请选中一条记录后删除");
}
}
}
//选中所有-复选框
function checkAll(field) {
//alert("Hello");]
//
var selectFlags=document.getElementsByName("selectFlag");
for (var i=0;i<selectFlags.length;i++){
selectFlags[i].checked=field.checked;
}
}
function topPage() {
}
function previousPage() {
}
function nextPage() {
}
function bottomPage() {
}
</script>
</head>
<body class="body1">
<form name="userform" id="userform">
<div align="center">
<table width="95%" border="0" cellspacing="0" cellpadding="0"
height="35">
<tr>
<td class="p1" height="18" nowrap>
</td>
</tr>
<tr>
<td width="522" class="p1" height="17" nowrap>
<img src="../images/mark_arrow_02.gif" width="14" height="14">
<b>系统管理>>用户维护</b>
</td>
</tr>
</table>
<hr width="100%" align="center" size=0>
</div>
<table width="95%" height="20" border="0" align="center"
cellspacing="0" class="rd1" id="toolbar">
<tr>
<td width="49%" class="rd19">
<font color="#FFFFFF">查询列表</font>
</td>
<td width="27%" nowrap class="rd16">
<div align="right"></div>
</td>
</tr>
</table>
<table width="95%" border="1" cellspacing="0" cellpadding="0"
align="center" class="table1">
<tr>
<td width="55" class="rd6">
<input type="checkbox" name="ifAll" onClick="checkAll(this)">
</td>
<td width="119" class="rd6">
用户代码
</td>
<td width="152" class="rd6">
用户名称
</td>
<td width="166" class="rd6">
联系电话
</td>
<td width="150" class="rd6">
email
</td>
<td width="153" class="rd6">
创建日期
</td>
</tr>
<%
List userList= pageModel.getList();
for(Iterator iter=userList.iterator();iter.hasNext();){
User user=(User)iter.next();
%>
<tr>
<td class="rd8">
<input type="checkbox" name="selectFlag" class="checkbox1"
value="<%=user.getUserId() %>">
</td>
<td class="rd8">
<%=user.getUserId() %>
</td>
<td class="rd8">
<%=user.getUserName() %>
</td>
<td class="rd8">
<%=user.getContactTel() %>
</td>
<td class="rd8">
<%=user.getEmail() %>
</td>
<td class="rd8">
<%=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(user.getCreateDate()) %>
</td>
</tr>
<%
}
%>
<tr>
<td width="55" class="rd7">
</td>
<td width="119" class="rd7" height="13">
</td>
<td width="152" class="rd7">
</td>
<td width="166" class="rd7">
</td>
<td width="150" class="rd7">
</td>
<td width="153" class="rd7">
</td>
</tr>
<tr>
<td class="rd7">
</td>
<td class="rd7" height="13">
</td>
<td class="rd7">
</td>
<td class="rd7">
</td>
<td class="rd7">
</td>
<td class="rd7">
</td>
</tr>
<tr>
<td class="rd7">
</td>
<td class="rd7" height="13">
</td>
<td class="rd7">
</td>
<td class="rd7">
</td>
<td class="rd7">
</td>
<td class="rd7">
</td>
</tr>
<tr>
<td class="rd7">
</td>
<td class="rd7" height="13">
</td>
<td class="rd7">
</td>
<td class="rd7">
</td>
<td class="rd7">
</td>
<td class="rd7">
</td>
</tr>
<tr>
<td class="rd7">
</td>
<td class="rd7" height="13">
</td>
<td class="rd7">
</td>
<td class="rd7">
</td>
<td class="rd7">
</td>
<td class="rd7">
</td>
</tr>
<tr>
<td class="rd7">
</td>
<td class="rd7" height="13">
</td>
<td class="rd7">
</td>
<td class="rd7">
</td>
<td class="rd7">
</td>
<td class="rd7">
</td>
</tr>
<tr>
<td class="rd7">
</td>
<td class="rd7" height="13">
</td>
<td class="rd7">
</td>
<td class="rd7">
</td>
<td class="rd7">
</td>
<td class="rd7">
</td>
</tr>
</table>
<table width="95%" height="30" border="0" align="center"
cellpadding="0" cellspacing="0" class="rd1">
<tr>
<td nowrap class="rd19" height="2">
<div align="left">
<font color="#FFFFFF"> 共 xx 页</font>
<font color="#FFFFFF">当前第</font> 
<font color="#FF0000">x</font> 
<font color="#FFFFFF">页</font>
</div>
</td>
<td nowrap class="rd19">
<div align="right">
<input name="btnTopPage" class="button1" type="button"
id="btnTopPage" value="|<< " title="首页"
onClick="topPage()">
<input name="btnPreviousPage" class="button1" type="button"
id="btnPreviousPage" value=" < " title="上页"
onClick="previousPage()">
<input name="btnNextPage" class="button1" type="button"
id="btnNextPage" value=" > " title="下页" onClick="nextPage()">
<input name="btnBottomPage" class="button1" type="button"
id="btnBottomPage" value=" >>|" title="尾页"
onClick="bottomPage()">
<input name="btnAdd" type="button" class="button1" id="btnAdd"
value="添加" onClick="addUser()">
<input name="btnDelete" class="button1" type="button"
id="btnDelete" value="删除" onClick="deleteUser()">
<input name="btnModify" class="button1" type="button"
id="btnModify" value="修改" onClick="modifyUser()">
</div>
</td>
</tr>
</table>
<p>
</p>
</form>
</body>
</html>
