码迷，mamicode.com
首页 > 其他好文 > 详细

分页查询--【drp】

时间：2015-12-05 22:27:10      阅读：195      评论：0      收藏：0      [点我收藏+]

标签：

/**
     * 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&nbspxx&nbsp页</font>     
							<font color="#FFFFFF">当前第</font>&nbsp
							<font color="#FF0000">x</font>&nbsp
							<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>

 技术分享

分页查询--【drp】

标签：

原文地址：http://www.cnblogs.com/wangmei/p/5022369.html
踩
(0)
赞
(0)
   
举报
评论 一句话评论（0）
登录后才能评论！
分享档案
更多>
2021年07月29日 (22)
2021年07月28日 (40)
2021年07月27日 (32)
2021年07月26日 (79)
2021年07月23日 (29)
2021年07月22日 (30)
2021年07月21日 (42)
2021年07月20日 (16)
2021年07月19日 (90)
2021年07月16日 (35)
周排行
mamicode.com排行更多图片
更多
友情链接
兰亭集智   国之画   百度统计   站长统计   阿里云   chrome插件   新版天听网
关于我们 - 联系我们 - 留言反馈
© 2014 mamicode.com 版权所有  联系我们:gaon5@hotmail.com
迷上了代码！