Javaweb JSP objects

Built-in objects for JSPs:

Objects that can be used directly when programming JSP pages without declaring these objects

In the Request:httpservletrequest class, used to obtain the requested information

In the Response:httpservletresponse class, used to get the response information

Web application running environment in Application:servletcontext

Used in Config:servletconfig to get servlet initialization parameters

An object in session:httpsession to hold each user's information

After the page:jsp is translated into a. java file, the created bytecode object

Out:jspwriter used to output data to the browser

The pagecontext:pagecontext represents the current JSP content context object.

Exception: Exception object, encapsulating exception information, calling when exception occurs

Javaweb JSP objects