userlistener.java

对java中如何使用Ant代码！代码详尽。

package chapter13.servlet;

import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;

public class UserListener extends HttpServlet {

	public void init(ServletConfig config) throws ServletException {
		String userFile = config.getInitParameter("userdata");
		if(userFile == null || userFile.equals("")) {
			userFile = "/WEB-INF/user.data";
		}
		
		userFile = config.getServletContext().getRealPath(userFile);
		
		new UserUtil(userFile);
	}
	
}