Java Web application consists of a set of Servlet, HTML pages, classes, and other resources can be bound. Run it can provide a variety of vendor implementations of Servlet container Servlet specification.
JavaWeb project is simply an application, such as open daily QQ, micro letter, Baidu maps, these are the applications. Many students react Javaweb very mysterious, it is difficult to learn, in fact, as long as you find the method to master Javaweb is very simple, the next one thousand Feng Xiao Bian gave you share a quick grasp Javaweb essential video tutorials.
Course Introduction
Edition 2020 JavaWeb, sets of curriculum development as a guide to the main line of application-driven, starting from the problem of development, leads to the learning of new technologies, to the effect to apply their knowledge.
people suitble
Java junior students want to quickly advanced programmers Javaweb
Course points
Tomcat server is a free open source Web application server, are lightweight application server, it is not widely used in many occasions small and medium systems and concurrent user access is the preferred development and debugging JSP program.
Servlet server running a Java application, and having a platform independent protocol properties, and can dynamically generate web pages, it works in the client request and server response of the intermediate layer.
JSP is a Java servlet, mainly used for user interface applications JavaWeb partially achieved. Web developers through a combination of HTML code, XHTML code, XML elements and embedded operating JSP and commands to write JSP.
MVC full name Model View Controller, the model (model) - view (view) - Abbreviation controller (Controller), and a software design model, with a service logic, data, a method of separating tissue interface display code, business logic to gather a member which, while improving and customization interfaces and user interaction does not need to rewrite the business logic. MVC was developed a unique structure for a conventional mapping input, processing and output of the logic functions in a graphical user interface.
Filter is a multiplexed code snippets can be used to convert HTTP request and response headers. Filter Unlike Servlet, it can not produce a request or response, it is only for a resource modification request, or to modify the response from one.
Listener listener listens for Web applications, some objects, create information, destroy, add, modify, or delete actions occur, and then respond appropriately treated. When the range of the state of the object changes, the server automatically listener object method invocation. Commonly used in the statistics the number of online users and online, initialization information, visit the Web site statistics and so on when the system is loaded.
learning target
Grasp the tomcat, Servlet, JSP, MVC, cookie, session, Filter, Listener and other JavaWeb develop the skills necessary to help students build a complete JavaWeb development skills.
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