index .jsp

<body>
<h1>第一个Servlet</h1>
<hr>
<a href = "servlet/Helloservlet">Get方式请求</a> <form action ="servlet/Helloservlet" method = "Post" >
<input type = "submit" value="submit with post " />
</form>
</body>

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" alt="" />

添加servlet,在servlet 3.0的新特性,可以不用web.xml或者注解.。

因为在Helloservlet下有注解:

@WebServlet(name ="Helloservlet" ,urlPatterns = "/servlet/Helloservlet")

不过web.xml中的设置会覆盖Servlet中的标注设置,可以使用标注来作默认值,而web.xml来作日后更改设置值之用。

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