cookie管理

blue_sky_wait_me

于 2017-05-06 20:10:54 发布

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分类专栏： jsp 文章标签： jsp cookie管理

本文链接：https://blog.youkuaiyun.com/bule_sky_wait_me/article/details/71292984

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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>cookie</title>
</head>
<body>
       <%
         String welcome="第一次访问";
         String[] info=new String[]{"","",""};
         Cookie[] cook=request.getCookies();
         if(cook!=null)
         {
        	 for(int i=0;i<cook.length;i++)
        	 {
        		 if(cook[i].getName().equals("mrCookInfo"))
        		 {
        			 info=cook[i].getValue().split("#");
        			 welcome=",欢迎回来！";
        		 }
        	 }
         }
       %>
       <%=info[0]+welcome%>
       <form action="show1.jsp" method="post">
       <ul style="line-heigth:23">
            <li>姓    名：<input name="name" type="text" value="<%=info[0]%>"/></li>
            <li>出生日期：<input name="brithday" type="text" value="<%=info[1]%>"/></li>
            <li>邮箱地址:<input name="mail" type="text" value="<%=info[2]%>"/></li>
            <li><input type="submit" value="提交"/></li>
       </ul>
       </form>
</body>
</html>

通过response的addcookie方法将其发送到客户端

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>show the newfile1</title>
</head>
<body>
      <%
        String name=request.getParameter("name");
        String brithday=request.getParameter("brithday");
        String mail=request.getParameter("mail");
        Cookie myCook=new Cookie("mrCookInfo",name+"#"+brithday+"#"+mail);
        myCook.setMaxAge(60*60*24*365);            //设置cookie有效期
        response.addCookie(myCook);
      %>
                     表单提交成功
      <ul style="line-height:24px">
           <li>姓名:<%=name %>
           <li>生日:<%=brithday %>
           <li>电子邮箱:<%=mail %>
           <li><a href="index.jsp">返回</a>
      </ul>
</body>
</html>