servlet

简明释义

英[ˈsɜːvlɪt]美['sɜvlet]

n. （尤指 Java 语言中在服务器上运行的）小型应用程序；小服务程序

英英释义

单词用法

同义词

反义词

例句

1.Recompile the servlet.

再次编译这个servlet。

2.Select the servlet.

选择servlet。

3.Configuring and mapping servlet filters.

配置和映射servlet过滤器。

4.Outputting VXML from a servlet.

从servlet中输出vxml。

5.Servlet modeling and code generation.

小服务程序建模以及代码生成。

6.The destination servlet reports success or failure.

然后，目的servlet报告成功或失败。

7.Using the concurrent access test servlet.

使用并发存取测试servlet。

8.It USES a servlet, which can be run in any servlet engine.

它使用可以在任何Servlet引擎中运行的Servlet。

9.Listing 8. Output following servlet shutdown.

清单8.servlet关闭后的输出结果。

10.The servlet processes client requests and generates dynamic web content.

这个servlet处理客户端请求并生成动态网页内容。

11.To create a servlet, you need to extend the HttpServlet class.

要创建一个servlet，你需要扩展HttpServlet类。

12.The servlet can read data from a database and display it on a webpage.

这个servlet可以从数据库读取数据并在网页上显示。

13.You can configure a servlet in the web.xml file of your web application.

你可以在web应用程序的web.xml文件中配置一个servlet。

14.A servlet can handle multiple requests simultaneously using threads.

一个servlet可以通过线程同时处理多个请求。

作文

In the world of web development, the term servlet refers to a Java programming language object that dynamically processes requests and generates responses. Typically, servlets are used to extend the capabilities of servers that host applications accessed via a request-response programming model. This means that when a user sends a request to a server, the servlet receives this request, processes it, and then sends back a response to the user. The concept of servlets is crucial in Java EE (Enterprise Edition) applications, where they play a significant role in handling complex web interactions. The architecture of servlets allows them to be reusable components that can manage multiple requests simultaneously. This is particularly important in modern web applications, which often need to serve many users at once. When a user interacts with a web application, their actions are translated into requests sent to the server. The servlet acts as an intermediary, processing these requests by executing business logic, accessing databases, or calling other services. After processing, the servlet prepares a response, which could be HTML content, JSON data, or any format that the client expects. One of the key features of servlets is their lifecycle management. A servlet goes through several stages from initialization to destruction. When a servlet is first requested, it is loaded into memory, and its initialization method is called. Once it is initialized, it can handle requests through its service method, which is invoked for each incoming request. After fulfilling its purpose, the servlet may be destroyed, freeing up resources. This lifecycle management ensures that servlets are efficient and can handle varying loads effectively. Moreover, servlets are often used in conjunction with JavaServer Pages (JSP), which allow developers to create dynamic web content with a combination of HTML and Java code. While servlets focus on processing data and business logic, JSPs are more concerned with presentation. Together, they form a powerful duo for building robust web applications. By separating the concerns of logic and presentation, developers can maintain and update their applications more easily. In conclusion, understanding the role of servlets is essential for anyone looking to develop web applications using Java. They provide a framework for handling requests and generating responses efficiently, making them a fundamental part of Java EE applications. As web technologies continue to evolve, the importance of servlets remains steadfast, showcasing their adaptability and relevance in the ever-changing landscape of web development. Mastering servlets will undoubtedly enhance a developer's skill set and enable them to build more dynamic, responsive, and scalable web applications.

在网络开发的世界中，术语servlet指的是一种动态处理请求并生成响应的Java编程语言对象。通常，servlet用于扩展托管通过请求-响应编程模型访问的应用程序的服务器的能力。这意味着，当用户向服务器发送请求时，servlet接收此请求，处理它，然后将响应发送回用户。servlet的概念在Java EE（企业版）应用程序中至关重要，在这些应用程序中，它们在处理复杂的网络交互方面发挥着重要作用。 servlet的架构允许它们成为可重用的组件，可以同时管理多个请求。这在现代网络应用程序中尤为重要，因为这些应用程序通常需要同时服务许多用户。当用户与网络应用程序交互时，他们的操作被转换为发送到服务器的请求。servlet作为中介，通过执行业务逻辑、访问数据库或调用其他服务来处理这些请求。处理后，servlet准备一个响应，这可以是HTML内容、JSON数据或客户端期望的任何格式。 servlet的一个关键特性是其生命周期管理。servlet经历从初始化到销毁的几个阶段。当第一次请求servlet时，它被加载到内存中，并调用其初始化方法。一旦初始化完成，它就可以通过其服务方法处理请求，该方法会为每个传入请求调用。在完成其目的后，servlet可能会被销毁，从而释放资源。这种生命周期管理确保了servlet的高效性，并能够有效地处理不同的负载。 此外，servlet通常与JavaServer Pages（JSP）结合使用，后者允许开发人员通过HTML和Java代码的组合创建动态网页内容。虽然servlet专注于处理数据和业务逻辑，但JSP更关注展示。它们共同构成了构建强大网络应用程序的强大组合。通过分离逻辑和展示的关注点，开发人员可以更轻松地维护和更新他们的应用程序。 总之，理解servlet的角色对于任何希望使用Java开发网络应用程序的人来说都是至关重要的。它们提供了一个处理请求和生成响应的框架，使其成为Java EE应用程序的基本部分。随着网络技术的不断发展，servlet的重要性仍然坚定不移，展示了它们在不断变化的网络开发领域中的适应性和相关性。掌握servlet无疑会增强开发人员的技能，使他们能够构建更动态、响应迅速和可扩展的网络应用程序。