Java-API-Package：javax.http.servlet

ylbtech-Java-API-Package：javax.http.servlet

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Package javax.servlet.http

This chapter describes the javax.servlet.http package.

Interface Summary
*HttpServletRequest*	Extends the `ServletRequest` interface to provide request information for HTTP servlets.
*HttpServletResponse*	Extends the `ServletResponse` interface to provide HTTP-specific functionality in sending a response.
*HttpSession*	Provides a way to identify a user across more than one page request or visit to a Web site and to store information about that user.
*HttpSessionActivationListener*	Objects that are bound to a session may listen to container events notifying them that sessions will be passivated and that session will be activated.
*HttpSessionAttributeListener*	This listener interface can be implemented in order to get notifications of changes to the attribute lists of sessions within this web application.
*HttpSessionBindingListener*	Causes an object to be notified when it is bound to or unbound from a session.
*HttpSessionContext*	Deprecated. As of Java(tm) Servlet API 2.1 for security reasons, with no replacement.
*HttpSessionListener*	Implementations of this interface are notified of changes to the list of active sessions in a web application.

Class Summary
Cookie	Creates a cookie, a small amount of information sent by a servlet to a Web browser, saved by the browser, and later sent back to the server.
HttpServlet	Provides an abstract class to be subclassed to create an HTTP servlet suitable for a Web site.
HttpServletRequestWrapper	Provides a convenient implementation of the HttpServletRequest interface that can be subclassed by developers wishing to adapt the request to a Servlet.
HttpServletResponseWrapper	Provides a convenient implementation of the HttpServletResponse interface that can be subclassed by developers wishing to adapt the response from a Servlet.
HttpSessionBindingEvent	Events of this type are either sent to an object that implements `HttpSessionBindingListener` when it is bound or unbound from a session, or to a `HttpSessionAttributeListener` that has been configured in the deployment descriptor when any attribute is bound, unbound or replaced in a session.
HttpSessionEvent	This is the class representing event notifications for changes to sessions within a web application.
HttpUtils	Deprecated. As of Java(tm) Servlet API 2.3.

Package javax.servlet.http Description

This chapter describes the javax.servlet.http package. The chapter includes content that is generated automatically from the javadoc embedded in the actual Java classes and interfaces. This allows the creation of a single, authoritative, specification document.

Servlets Using HTTP Protocol

The javax.servlet.http package contains a number of classes and interfaces that describe and define the contracts between a servlet class running under the HTTP protocol and the runtime environment provided for an instance of such a class by a conforming servlet container.

The class HttpServlet implements the Servlet interface and provides a base developers will extend to implement servlets for implementing web applications employing the HTTP protocol. In addition to generic Servlet interface methods, the class HttpServlet implements interfaces providing HTTP functionality.

The basic Servlet interface defines a service method for handling client requests. This method is called for each request that the servlet container routes to an instance of a servlet.

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https://docs.oracle.com/javaee/1.4/api/javax/servlet/http/package-summary.html

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作者：ylbtech
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