Java编程学习:自己DIY一个JSP日历，这是源代码，只要运行一下就知道结果了。
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<%@ page contentType="text/html; charset=gb2312" language="java" import="java.sql.*" errorPage="" %>
<%@ page language="java" import="java.util.*" %>
<%! String days[]; %>
<body>
<%
days=new String[42];
for(int i=0;i<42;i++)
{
days[i]="";
}
%>
<%
GregorianCalendar currentDay = new GregorianCalendar();
int today=currentDay.get(Calendar.DAY_OF_MONTH);
int month=currentDay.get(Calendar.MONTH);
int year= currentDay.get(Calendar.YEAR);
out.println(year+"年"+ (month+1)+"月"+today+"日");
Calendar thisMonth=Calendar.getInstance();
thisMonth.set(Calendar.MONTH, month );
thisMonth.set(Calendar.YEAR, year );
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);
}
%>
<table border="0" width="168" height="81">
<div align=center>
<tr>
<th width="25" height="16" ><font color="red">日</font>
</th>
<th width="25" height="16" >一</th>
<th width="25" height="16" >二</th>
<th width="25" height="16" >三</th>
<th width="25" height="16" >四</th>
<th width="25" height="16" >五</th>
<th width="25" height="16" ><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">
<%if((i-firstIndex+1)==today){
%>
<font color="red"><%=days[i]%></font>
<%
} else {
%>
<%=days[i]%>
<%
}
%>
</td>
<% } %>
</tr>
<% } %>
</div>
</table> |
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