什么是Java Servlet？ [英] What is Java Servlet?

问题描述

我读了很多文章来理解java servlet，但是我没有成功。

I read many articles to understand java servlet but I did not succeed.

请你简单介绍一下java servlet（用简单的语言）。
喜欢什么是servlet？有什么好处？所有这一切。

Can you please give brief introduction of java servlets (in easy language). Like what is servlet? What are the advantges? And all that.

我无法理解服务器端编程语言（PHP，ASP）和servlet之间的区别。

I can't understand the difference between server-side programming languages (PHP, ASP) and servlets.

推荐答案

servlet只是一个响应特定类型网络请求的类 - 最常见的是HTTP请求。基本上servlet通常用于实现web应用程序 - 但是也有各种框架在servlet（例如Struts）之上运行，以提供比这里的HTTP请求，写入此HTTP响应级别更高级别的抽象。提供。

A servlet is simply a class which responds to a particular type of network request - most commonly an HTTP request. Basically servlets are usually used to implement web applications - but there are also various frameworks which operate on top of servlets (e.g. Struts) to give a higher-level abstraction than the "here's an HTTP request, write to this HTTP response" level which servlets provide.

Servlet在 servlet容器中运行，它处理网络端（例如解析HTTP请求，连接处理等）。其中一个最着名的开源servlet容器是 Tomcat 。

Servlets run in a servlet container which handles the networking side (e.g. parsing an HTTP request, connection handling etc). One of the best-known open source servlet containers is Tomcat.

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