jstl标签库(2)

jstl标签库(2)

jstl格式化库(fmt)

Action

package  com.lanjh.struts.action;

import  java.util.Date;

import  javax.servlet.http.HttpServletRequest;
import  javax.servlet.http.HttpServletResponse;

import  org.apache.struts.action.Action;
import  org.apache.struts.action.ActionForm;
import  org.apache.struts.action.ActionForward;
import  org.apache.struts.action.ActionMapping;

/**
 * 测试jstl格式化库
 *  @author  Administrator
 *
 */
public class JstlFmtAction extends  Action {

    @Override
    public  ActionForward execute(ActionMapping mapping, ActionForm form,
            HttpServletRequest request, HttpServletResponse response)
            throws  Exception {
        request.setAttribute("today", new  Date());
        
        request.setAttribute("n", 123456.123 );
        
        request.setAttribute("p", 0.12345 );
        return mapping.findForward("success" );
    }
    
    
}

struts配置

< action  path ="/jstlfmt"
            type ="com.lanjh.struts.action.JstlFmtAction" >
             < forward  name ="success"  path ="/jstl_fmt.jsp" ></ forward >
         </ action >

JSP页面

<% @ page language = " java "  import = " java.util.* "  pageEncoding = " utf-8 " %>
<% @ taglib prefix = " fmt "  uri = " http://java.sun.com/jsp/jstl/fmt " %>

<! DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" >
< html >
     < head >
         < title > 测试jstl格式化库 </ title >
     </ head >
     < body >
         < h1 > 测试jstl格式化库 </ h1 >
     < hr >
     < li > 测试日期的格式化 </ li >< br >
        
    
    today(default): < fmt:formatDate  value ="${today}" />< br >
    today(type="date"): < fmt:formatDate  value ="${today}"  type ="date" />< br >
    today(type="time"): < fmt:formatDate  value ="${today}"  type ="time" />< br >
    today(type="both"): < fmt:formatDate  value ="${today}"  type ="both" />< br >
    today(dateStyle="short"): < fmt:formatDate  value ="${today}"  dateStyle ="short" />< br >
    today(dateStyle="medium"): < fmt:formatDate  value ="${today}"  dateStyle ="medium" />< br >
    today(dateStyle="long"): < fmt:formatDate  value ="${today}"  dateStyle ="long" />< br >
    today(dateStyle="full"): < fmt:formatDate  value ="${today}"  dateStyle ="full" />< br >
    today(pattern="yyyy/MM/dd HH:mm:ss"): < fmt:formatDate  value ="${today}"  pattern ="yyyy/MM/dd HH:mm:ss" />< br >
    today(pattern="yyyy/MM/dd HH:mm:ss"): < fmt:formatDate  value ="${today}"  pattern ="yyyy/MM/dd HH:mm:ss"  var ="d" />< br >
    ${d } < br >
    today(pattern="yyyy-MM-dd HH:mm:ss"): < fmt:formatDate  value ="${today}"  pattern ="yyyy-MM-dd HH:mm:ss"   />< br >
    
     < p >
     < li > 测试数字的格式化 </ li >< br >
    n(default): < fmt:formatNumber  value ="${n}" />< br >
    n(pattern="###,###.##"): < fmt:formatNumber  value ="${n}"  pattern ="###,###.##" />< br >
    n(pattern="###,###.0000"): < fmt:formatNumber  value ="${n}"  pattern ="###,###.0000" />< br >
    n(groupingUsed="false"): < fmt:formatNumber  value ="${n}"  groupingUsed ="false" />< br >
    n(minIntegerDigits="10"): < fmt:formatNumber  value ="${n}"  minIntegerDigits ="10" />< br >
     <!--  默认是人民币符号  -->
    n(type="currency"): < fmt:formatNumber  value ="${n}"  type ="currency" />< br >
     <!--  美元符号  -->
    n(type="currency"): < fmt:formatNumber  value ="${n}"  type ="currency"  currencySymbol ="$" />< br >
     <!--  百分比  -->
    n(type="percent"): < fmt:formatNumber  value ="${p}"  type ="percent"  maxFractionDigits ="2"  minFractionDigits ="2" />< br >
     </ body >
</ html >