如何将Object从servlet传递给调用JSP.
我有一个JSP调用servlet.从这个servlet,我正在设置viewBean的属性.现在,我想在JSP页面上从Servlet获取此属性值集.
如何使用Servlet在JSP上提供此ViewBean对象.
Nan*_*ale 16
将对象放在会话中或请求在servlet中,如:
String shared = "shared";
request.setAttribute("sharedId", shared); // add to request
request.getSession().setAttribute("sharedId", shared); // add to session
this.getServletConfig().getServletContext().setAttribute("sharedId", shared); // add to application context
你可以在jsp中读取它:
<%@ taglib prefix="c" uri="http://java.sun.com/jstl/core" %>
<body>
<cut value= "${shared}"/>
<cut value= "${requestScope.shared}"/>
<cut value= "${requestScope.request.shared}"/>
${shared}
或者使用带有代码的scriptlet读取它:
<%
String shared = (String)request.getAttribute("sharedId");
String shared1 = (String)request.getSession().getAttribute("sharedId");
String shared2 = (String)this.getServletConfig().getServletContext().getAttribute("sharedId");
%>
像这样的东西应该有效
request.setParameter("nameOfmyObjectParam",MyObject); //or request.setAttribute
String yourJSP = "/WEB-INF/pages/yourJSP.jsp";
RequestDispatcher rd = getServletContext().getRequestDispatcher(yourJSP);
rd.forward(request, response);
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