查询分页与CheckBox全选提交

王朝other·作者佚名  2008-05-31
窄屏简体版  字體: |||超大  

最近项目需要,因为时间问题我用最简单的方法做了一个查询分页+CheckBox的全选提交,我觉得非常适合小项目和类似邮件列表的功能.下面贴出我的代码,希望朋友们多给我提毛病.

主要代码都写在jsp里.下面是一个apply_note.jsp:

<%@page contentType="text/Html;charset=GBK" language="Java"%>

<%@ page import="java.sql.*"%>

<%@ page import="com.deepdo.common.connect.ConSql"%>

<%@ taglib uri="/WEB-INF/struts-logic.tld" prefix="logic" %>

<%@ taglib uri="/WEB-INF/struts-bean.tld" prefix="bean" %>

<style type=text/Css>

td,th,p,span,div,a,A {font-size:12px;text-decoration:none}

.blak a {color:#000; text-decoration:none}

.blak a:hover {color:#f00; text-decoration:underline}

</style>

<body>

<jsp:include page="/include/deepdo.jsp" flush="true"/>

<table width="700" border="0" align="center" cellpadding="0" cellspacing="0" height="450">

<tr>

<td valign="top" class="bg_td1" height="450" width="160">

<jsp:include page="/include/navigation.jsp" flush="true"/>

</td>

<td valign="top" class="bg_td1" height="450" width="540">

<table width="590" border="0" align="center" cellpadding="2" cellspacing="2" bgcolor="#FAF9F5">

<tr>

<td background="resume/images/color.jpg" class="font4"> <img src="http://www.QQread.com/java/resume/images/dot.gif">

工作申请记录</td>

</tr>

</table>

<table width="590" border="0" align="center" cellpadding="4" cellspacing="2">

<%

//变量声明

Connection sqlCon; //数据库连接对象

Statement sqlStmt; //SQL语句对象

ResultSet sqlRst; //结果集对象

String strCon; //数据库连接字符串

String strSQL; //SQL语句

int intPageSize; //一页显示的记录数

int intRowCount; //记录总数

int intPageCount; //总页数

int intPage; //待显示页码

String strPage;

int i;

//设置一页显示的记录数

intPageSize = 10;

//取得待显示页码

strPage = request.getParameter("page");

if(strPage==null){//表明在QueryString中没有page这一个参数,此时显示第一页数据

intPage = 1;

}

else{//将字符串转换成整型

intPage = java.lang.Integer.parseInt(strPage);

if(intPage<1) intPage = 1;

}

//获取一个TOMCAT配置的连接池

sqlCon = ConSql.getCon();

//创建一个可以滚动的只读的SQL语句对象

sqlStmt = sqlCon.createStatement(java.sql.ResultSet.TYPE_SCROLL_INSENSITIVE,java.sql.ResultSet.CONCUR_READ_ONLY);

//预备SQL语句

strSQL = "select * from apply_note where userid="+request.getAttribute("userid");

//执行SQL语句并获取结果集

sqlRst = sqlStmt.executeQuery(strSQL);

//获取记录总数

sqlRst.last();

intRowCount = sqlRst.getRow();

//记算总页数

intPageCount = (intRowCount+intPageSize-1) / intPageSize;

//调整待显示的页码

if(intPage>intPageCount) intPage = intPageCount;

%>

<tr>

<td align="center" bgcolor="#efefef" width="150" height="27">已经申请过的职位</td>

<td align="center" bgcolor="#efefef" width="140" height="27">公司名称</td>

<td align="center" bgcolor="#efefef" width="75" height="27">申请时间</td>

<td align="center" bgcolor="#efefef" width="25" height="27"><input type=CheckBox name="selectAll" onClick="selectAll();"></td>

</tr>

<%

if(intPageCount>0){

//将记录指针定位到待显示页的第一条记录上

sqlRst.absolute((intPage-1) * intPageSize + 1);

//显示数据

i = 0;

while(i<intPageSize && !sqlRst.isAfterLast()){

%>

<form name ="noteForm" action="noteRemove.do" method="post">

<tr>

<td><a href=<%=sqlRst.getString("url")%> target="_blank"><%=sqlRst.getString("job")%></a></td>

<td><%=sqlRst.getString("unit")%></td>

<td><%=sqlRst.getString("date_time")%></td>

<td width="26" align="center"><input type=CheckBox name="id" value=<%=sqlRst.getString("id")%>></td>

</tr>

<%

sqlRst.next();

i++;

}

}

%>

<tr>

<td>

<a href="note.do?page=1">首页</a>&nbsp;&nbsp;

<%if(intPage>1){%><a href="note.do?page=<%=intPage-1%>">上一页</a><%}

else {%><a href="#" title="已经是第一页">上一页</a><%}%>&nbsp;&nbsp;

<%if(intPage<intPageCount){%><a href="note.do?page=<%=intPage+1%>">下一页</a><%}

else {%><a href="#" title="已经是最后一页">下一页</a><%}%>&nbsp;&nbsp;

<a href=note.do?page=<%=intPageCount%>>末页</a>

</td>

<td>

共 <%=intPageCount%> 页申请记录&nbsp;&nbsp;

当前为第 <%=intPage%> 页&nbsp;&nbsp;

</td>

<td>&nbsp;</td>

<td align="center"><input type="submit" value="删除" onClick="manageSubmit();"></td>

<input type="hidden" name="checkvalue" value="">

</tr>

</form>

<%

//关闭结果集

sqlRst.close();

//关闭SQL语句对象

sqlStmt.close();

//关闭数据库

sqlCon.close();

%>

</table>

</td>

</tr>

</table>

<jsp:include page="/include/tail.html" flush="true"/>

</body>

<script language="javascript">

function manageSubmit(){

var ChkEls=document.getElementsByName("Id");

var checkedIds="";

for(var i=0;i<ChkEls.length;i++){

if(ChkEls.item(i).type != "checkbox")continue;

var oEl = ChkEls.item(i);

if(oEl.checked) {

checkedIds = checkedIds + (oEl.value + ",");

}

}

document.noteForm.checkvalue.value = checkedIds;

if ( checkedIds == "" ) return false;

return true;

}

 
 
 
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