问题描述
我是Java和Vaadin的新手。一个基本的Vaadin项目正在使用 web.xml
来表示所有映射。如果我想使用 @WebServlet
注释,我需要创建一个内部类,它继承自 HttpServlet
。
I'm new to Java and Vaadin. A basic Vaadin project is using web.xml
for all the mappings. If I want to use the @WebServlet
annotation I need to create an inner class which somewhere inherits from HttpServlet
.
@SuppressWarnings("serial")
public class VaadinplaygroundUI extends UI {
@WebServlet(urlPatterns="/Helo")
public static class Servlet extends VaadinServlet {
}
@Override
protected void init(VaadinRequest request) {
final VerticalLayout layout = new VerticalLayout();
我知道,我在内部类中缺少一些覆盖的方法 Servlet
让它工作,但我不知道哪个。在互联网上有很多Vaadin 6.x的例子,其中内部类扩展 AbstractApplicationServlet
。
I know, I'm missing some overwritten methods in the inner class Servlet
to get it working, but I don't know which. There are many examples in the internet for Vaadin 6.x where the inner class extends AbstractApplicationServlet
.
感谢任何帮助。
推荐答案
这里是7.x:
public class MyUI extends UI {
@WebServlet(value = "/*", asyncSupported = true, initParams = {
@WebInitParam(name = "ui", value = "com.example.MyUI"),
@WebInitParam(name = "productionMode", value = "false") })
public static class Servlet extends VaadinServlet {
}
@Override
protected void init(VaadinRequest request) {
..
}
}
对于7.1及更新版本:
And for 7.1 and newer:
public class MyUI extends UI {
@WebServlet(value = "/*", asyncSupported = true)
@VaadinServletConfiguration(productionMode = false, ui = MyUI.class)
public static class Servlet extends VaadinServlet {
}
@Override
protected void init(VaadinRequest request) {
..
}
}
这篇关于使用VaadinServlet去除Vaadin 7中的web.xml的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持!