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| 25. 1. 4. 列出所有的Servlet的初始化参数 |
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import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.util.*;
public class MyServlet extends HttpServlet {
public void service(ServletRequest req, ServletResponse res)
throws ServletException, IOException {
res.setContentType("text/plain");
PrintWriter out = res.getWriter();
out.println("Init Parameters:");
Enumeration e = getInitParameterNames();
while (e.hasMoreElements()) {
String name = (String) e.nextElement();
out.println(name + ": " + getInitParameter(name));
}
}
}
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<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE web-app
PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.2//EN"
"http://java.sun.com/j2ee/dtds/web-app_2_2.dtd">
<web-app>
<servlet><servlet-name>MyServletName</servlet-name>
<servlet-class>MyServlet</servlet-class>
<init-param>
<param-name>
initial
</param-name>
<param-value>
1000
</param-value>
<description>
The initial value for the counter <!-- optional -->
</description>
</init-param>
</servlet>
<servlet-mapping><servlet-name>MyServletName</servlet-name>
<url-pattern>/index.html</url-pattern>
</servlet-mapping>
</web-app>
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 Download: ServletListAllInitParameters.zip( 89 k) |
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