📄 materialfind.jsp
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<%@ page language="java" import="java.util.*" pageEncoding="GBK"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/functions" prefix="fn"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme() + "://"
+ request.getServerName() + ":" + request.getServerPort()
+ path + "/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>资料管理首页</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
<script type="text/javascript">
function validate_form() {
var date=document.getElementById("date").value;
if(!check_empty(date)){
return true;
}if(check_empty(date)&&isDate(date)){
return true;
}
alert("日期输入有误！正确格式为'yyyy-MM-dd'");
return false;
}
function check_empty(str) {
return (str.length > 0);
}
function isDate(theStr) {
var the1st = theStr.indexOf('-');
var the2nd = theStr.lastIndexOf('-');
if (the1st == the2nd) {
return false;
} else {
var y = theStr.substring(0,the1st);
var m = theStr.substring(the1st+1,the2nd);
var d = theStr.substring(the2nd+1,theStr.length);
var maxDays = 31;
if (isInt(m)==false || isInt(d)==false || isInt(y)==false) {
return false;
} else if (y.length < 4) {
return false ;
} else if (!isBetween (m, 1, 12)) {
return false;
} else if (m==4 || m==6 || m==9 || m==11) {
maxDays = 30;
} else if (m==2) {
if (y % 4 > 0) {
maxDays = 28;
}else if (y % 100 == 0 && y % 400 > 0) {
maxDays = 28;
}else{
maxDays = 29;
}
}
if (isBetween(d, 1, maxDays) == false) {
return false;
}
else { return true; }
}
}
</script>
</head>
<body>
<center>
<table width="980" height="560" cellspacing="0" cellpadding="0"
border="0" bgcolor="#c1dedf">
<c:set var="listSize" value="${fn:length(materials)-1}" />
<c:set var="pageSize" value="5" />
<c:choose>
<c:when test="${! empty param.pageBegin}">
<c:set var="pageBegin" value="${param.pageBegin}" />
</c:when>
<c:otherwise>
<c:set var="pageBegin" value="0" />
</c:otherwise>
</c:choose>
<c:set var="pageEnd" value="${pageBegin + pageSize - 1}" />
<tbody>
<tr align="center">
<td colspan="2" bgcolor="#c0c0c0" height="100">
<%@include file="header.jsp"%>
</td>
</tr>
<tr>
<td height="350" width="100">
<%@include file="menu.jsp"%>
</td>
<td height="350">
>>资料查找
<form action="materialFind.do" method="post"
onsubmit="return validate_form()">
<table align="center">
<tr>
<td>
标 题
<input type="text" name="materialtitle">
</td>
<td>
内 容
<input type="text" name="materialcontent">
</td>
</tr>
<tr>
<td>
创建人
<input type="text" name="username">
</td>
<td>
创建时间
<input type="text" name="date">
<input type="submit" value="立即查询">
</td>
</tr>
</table>
</form>
<table width="800" border="1">
<tr>
<td height="50">
标题
</td>
<td height="50">
创建人
</td>
<td>
创建时间
</td>
</tr>
<c:choose>
<c:when test="${!empty materials}">
<c:forEach var="material" items="${materials}"
begin="${pageBegin}" end="${pageEnd}">
<tr>
<td height="50">
${material.materialtitle}
</td>
<td height="50">
${material.user.username }
</td>
<td height="50">
${material.date}
</td>
</tr>
</c:forEach>
</c:when>
<c:otherwise>
<tr>
<td colspan="3">
<font color="red" size="5">真遗憾，没能找到您查询的结果</font>
</td>
</tr>
</c:otherwise>
</c:choose>
</table>
<div align="center">
<c:if test="${(pageBegin-pageSize) ge 0}">
<a
href="<c:url value='materialFind.do'>
<c:param name='pageBegin' value='0'/>
</c:url>">第一页
</a>
</c:if>
<c:if test="${(pageBegin-pageSize) ge 0}">
<a
href='<c:url value="materialFind.do">
<c:param name="pageBegin" value="${pageBegin-pageSize}"/>
</c:url>'>
前一页 </a>
</c:if>
<c:if test="${(listSize gt pageSize) and (pageEnd lt listSize)}">
<a
href="<c:url value='materialFind.do'>
<c:param name='pageBegin' value='${pageBegin+pageSize}'/>
</c:url>">
后一页 </a>
</c:if>
<c:if test="${(listSize gt pageSize) and (pageEnd lt listSize)}">
<a
href="<c:url value='materialFind.do'>
<c:param name='pageBegin' value='${(listSize-(listSize%pageSize))}'/>
</c:url>">
最后一页 </a>
</c:if>
</div>
</td>
</tr>
<tr>
<td colspan="2" bgcolor="#a2a2a2" align="center">
<%@include file="footer.jsp"%>
</td>
</tr>
</tbody>
</table>
</center>
</body>
</html>
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