Java Web is the sum of technologies that use Java technology to solve related web and Internet fields, and web includes two parts: web server and web client; although Java's Web frameworks are different, they basically follow specific The number of roads.
Java Web is the sum of technologies that use Java technology to solve related web and Internet fields. The web consists of two parts: web server and web client. Java applications on the client include Java applet, but rarely used, Java has a lot of applications on the server side, such as Servlet, JSP and third-party frameworks, etc. The development of Java technology in the Web field Injected strong motivation.
Recommended course: Java Tutorial.
Although Java's Web frameworks are different, they basically follow a specific approach: use Servlet or Filter to intercept requests, and use MVC ideas to design the architecture. Use approx. Define, XML or Annotation to implement configuration, use the object-oriented characteristics of Java, implement the object-oriented process of request and response, and support Jsp, Freemarker, Velocity and other views.
JSP advantages:
Java EE standard, which means there is great market demand and more job opportunities
Get started quickly and relatively Easy
There are a large number of available component libraries
JSP Disadvantages:
A large number of JSP tags
No support for REST and security Well
There is no unified implementation. There are both SUN implementations and Apache implementations - MyFaces.
Advantages of Spring MVC:
Provides life cycle management for Spring MVC overriding binding, validation, etc.
And many Seamless integration of presentation layer technologies/frameworks: JSP/JSTL, Tiles, Velocity, FreeMarker, Excel, :
Lots of XML configuration filesToo flexible - no public parent controller
No built-in Ajax supportStripes Advantages:
No need to write XML configuration filesGood learning documentation
Community members are very enthusiasticStripes Disadvantages:
The community is relatively smallNot as active as other projects
The URL in ActionBean is hard-codedStruts 2 Advantages:
Simple architecture - easy to extendThe tag library is easy to use FreeMarker or Velocity to customize
based on controllers or Page-based navigationStruts 2 Disadvantages:
Poorly organized documentationExcessive focus on new features
Tapestry Advantages:
Once you learn it, you will greatly improve your productivityHTML template - very beneficial to page designers
Every time a new version is released, There will be a lot of innovationTapestry Disadvantages:
The document is too conceptual and not practical enoughThe learning curve is steep
Release cycle Long - there are major upgrades every yearWicket advantages:
Good for Java developers (not Web developers)Page and Show binding is tight
Active community - with support from the creatorWicket Cons:
HTML templates and Java code are right next to each otherNeed to have a good understanding of OO
Wicket logic - everything is done in JavaThe above is the detailed content of What is Java Web. For more information, please follow other related articles on the PHP Chinese website!

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