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将jsp转换为java代码_Java_Jsp_Web_Jsp Tags - Fatal编程技术网

将jsp转换为java代码

将jsp转换为java代码,java,jsp,web,jsp-tags,Java,Jsp,Web,Jsp Tags,我需要这个jsp行代码的java代码。 我知道如何为范围“页面”或“应用程序”制作它,但我真的不知道它如何与“会话” 这是一种解决方案 beans.User=null synchronized (application) { user = (beans.User) _jspx_page_context.getAttribute("user", PageContext.APPLICATION_SCOPE); if (user == null){ user = new be

我需要这个jsp行代码的java代码。 我知道如何为范围“页面”或
“应用程序”
制作它,但我真的不知道它如何与
“会话”


这是一种解决方案

beans.User=null

synchronized (application) {

  user = (beans.User) _jspx_page_context.getAttribute("user", 
PageContext.APPLICATION_SCOPE);

  if (user == null){

    user = new beans.User();

    _jspx_page_context.setAttribute("user", user, 
PageContext.APPLICATION_SCOPE);

  }

}
synchronized (application) {

  user = (beans.User) _jspx_page_context.getAttribute("user", 
PageContext.APPLICATION_SCOPE);

  if (user == null){

    user = new beans.User();

    _jspx_page_context.setAttribute("user", user, 
PageContext.APPLICATION_SCOPE);

  }

}