1.5创建一个部署描述文件
·为你的servlets注册并且创建一个url mapping
·注册并指定应用中的监听器和过滤器
·指定上下文中的初始化参数。
·配置错误页,和欢迎页
·配置
seeion 超时
<?
xml version="1.0" encoding="ISO-8859-1"
?>
<!
DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" "http://java.sun.com/dtd/web-application_2_3.dtd"
>
<
web-app
>
<
display-name
>
Servlet 2.3 deployment descriptor
</
display-name
>
<
filter
>
<
filter-name
>
RequestFilter
</
filter-name
>
<
filter-class
>
com.mydev.RequestFilter
</
filter-class
>
</
filter
>
<
filter-mapping
>
<
filter-name
>
RequestFilter
</
filter-name
>
<
url-pattern
>
/*
</
url-pattern
>
</
filter-mapping
>
<
listener
>
<
listener-class
>
com.mydev.ReqListener
</
listener-class
>
</
listener
>
<
servlet
>
<
servlet-name
>
MyServlet
</
servlet-name
>
<
servlet-class
>
com.mydev.MyServlet
</
servlet-class
>
</
servlet
>
<
servlet-mapping
>
<
servlet-name
>
MyServlet
</
servlet-name
>
<
url-pattern
>
/myservlet
</
url-pattern
>
</
servlet-mapping
>
<
session-config
>
<
session-timeout
>
15
</
session-timeout
>
</
session-config
>
<
error-page
>
<
error-code
>
404
</
error-code
>
<
location
>
/err404.jsp
</
location
>
</
error-page
>
</
web-app
>
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