JavaBean Request life cycle

Request

Within the request scope, the valid range of the JavaBean object is:

① current JSP page for customer request access
② and the current JSP page share the same requested page, including the <%@ include%> directive and other JSP files included with the <jsp:forward> tag.
③ the JavaBean object ends the life cycle when all JSP pages that share the same customer request are executed and the response is sent back to the client.

The JavaBean object is saved as an attribute in the HttpServletRequest object, the property name is JavaBean ID, the property value is a JavaBean object, so the JavaBean object can be obtained in the same request scope as follows:

id=class="Com.itzhai.bean.User" scope="Request"/>user user= (User) Request.getattribute (" User ");   

JavaBean Request life cycle