JSP sessionscope object: an implicit object that accesses the session scope

• Java

${sessionScope.expression}

Example

${sessionScope.user}

Typical application

<body>
  <p>EL对象使用</p>
  <%
     request.setAttribute("name","mrRequest");  //向requset对象保存信息
     session.setAttribute("name","mrSession");  //向session对象保存信息
     application.setAttribute("name","mrApplication");  //向application对象保存信息
     %>
    header对象的使用:<br>
    Host:${header.host}<br>
  <%--获取header属性--%>
    Accept:${header.accept}<br>
    requestScope对象的使用:<br>
    request.name${requestScope.name}<br>
  <%--获取request对象属性--%>
    sessionScope对象的使用:<br>
    session.name${sessionScope.name}
  <%--获取session对象属性--%>
</body>
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