📄 calendar.jsp
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<%@ page language="java" import="java.util.*" %>
<%
String year=request.getParameter("year");
String month=request.getParameter("month");
%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>日历</title>
<script Language="JavaScript">
<!--
function Monthchange()
{
var nowMonth="calendar.jsp?month="+document.yearmonth.elements[0].selectedIndex+"&year="+<%=year%>;
window.open(nowMonth,"_self");
}
//--></script>
</head>
<%! String days[]; %>
<%
days=new String[42];
for(int i=0;i<42;i++)
{
days[i]="";
}
%>
<%
Calendar thisMonth=Calendar.getInstance();
if(month!=null&&(!month.equals("null")))
thisMonth.set(Calendar.MONTH, Integer.parseInt(month) );
if(year!=null&&(!year.equals("null")))
thisMonth.set(Calendar.YEAR, Integer.parseInt(year) );
year=String.valueOf(thisMonth.get(Calendar.YEAR));
month=String.valueOf(thisMonth.get(Calendar.MONTH));
thisMonth.setFirstDayOfWeek(Calendar.SUNDAY);
thisMonth.set(Calendar.DAY_OF_MONTH,1);
int firstIndex=thisMonth.get(Calendar.DAY_OF_WEEK)-1;
int maxIndex=thisMonth.getActualMaximum(Calendar.DAY_OF_MONTH);
for(int i=0;i<maxIndex;i++)
{
days[firstIndex+i]=String.valueOf(i+1);
}
%>
<body>
<h3>日历示范</h3>
<FORM name="yearmonth" method="post" action="calendar.jsp">
<font color=red size=4><%=year%></font>年
<font color=red size=4><%=Integer.parseInt(month)+1%></font>月
<table border="1" width="168" height="81">
<div align=center>
<tr>
<th width="25" height="16" bgcolor="gray"><font color="red">日</font></th>
<th width="25" height="16" bgcolor="gray">一</th>
<th width="25" height="16" bgcolor="gray">二</th>
<th width="25" height="16" bgcolor="gray">三</th>
<th width="25" height="16" bgcolor="gray">四</th>
<th width="25" height="16" bgcolor="gray">五</th>
<th width="25" height="16" bgcolor="gray"><font color="red">六</font></th>
</tr>
<% for(int j=0;j<6;j++){%>
<tr>
<% for(int i=j*7;i<(j+1)*7;i++) { %>
<td width="15%" height="16" valign="middle" align="center">
<%=days[i]%></a></td>
<% } %>
</tr>
<% } %>
</div>
</table>
月份选择:
<select name="month" size="1" onchange="Monthchange()" >
<option value="0">一月</option>
<option value="1">二月</option>
<option value="2">三月</option>
<option value="3">四月</option>
<option value="4">五月</option>
<option value="5">六月</option>
<option value="6">七月</option>
<option value="7">八月</option>
<option value="8">九月</option>
<option value="9">十月</option>
<option value="10">十一月</option>
<option value="11">十二月</option>
</select>
<br>
<input type=text name="year" value=<%=year%> size=4 maxlength=4>年
<input type=submit value="提交">
</FORM>
<script Language="JavaScript">
<!--
document.yearmonth.month.options.selectedIndex=<%=month%>;
//-->
</script>
</body>
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