设置显示时间戳 <% request.setAttribute("currentTimeStamp",Calendar.getInstance().getTime()); %> 显示：2009-11 <fmt:formatDate pattern="yyyy-MM" value="${currentTimeStamp}"/> <br/> 显示：2009-11-30 23:47:06 <fmt:formatDate pattern="yyyy-MM-dd HH:mm:ss" value="${currentTimeStamp}"/> <br/> 显示：$12.00 <fmt:formatNumber value="12" type="currency" pattern="$.00"/> <br/> 显示：$12.0 <fmt:formatNumber value="12" type="currency" pattern="$.#"/> <br/> ￥12.0 <fmt:formatNumber value="12" type="currency" pattern="￥.00"/> <br/> 12.00元 <fmt:formatNumber value="12" type="currency" pattern="#0.00元"/> <br/> ￥12.00 <fmt:formatNumber value="12" type="currency"/> (那个货币的符号和当前web服务器的 local 设定有关)<br/> 123456.79 <fmt:formatNumber value="123456.7891" pattern="#0.00"/> <br/> 123,456.79 <fmt:formatNumber value="123456.7891" pattern="#,#00.00"/> <br/> .79 <fmt:formatNumber value="0.7891" pattern="#.00"/> <br/> 12.34% <fmt:formatNumber value="0.1234" type="percent" pattern="#0.00%"/><br/> 1,200% <fmt:formatNumber value="12" type="percent" /><br/> 1200.00% <fmt:formatNumber value="12" type="percent" pattern="#0.00%"/><br/>