servlet中load-on-startup的用法

servlet中load-on-startup的用法

package com.cdsxt.action;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class TestLoad extends HttpServlet{
        //<load-on-startup>   在web.xml中配置相关信息
	//<load-on-startup>   里面  填写  负数 或0   由容器随机加载
	//<load-on-startup>   里面写  大于等于0     越小 越优先 加载
	//<load-on-startup>   里面写相同的数字    由web容器决定顺序
	@Override
	protected void doGet(HttpServletRequest req, HttpServletResponse resp)
			throws ServletException, IOException {
		System.out.println("TestLoad.doGet()");
	}

	@Override
	protected void doPost(HttpServletRequest req, HttpServletResponse resp)
			throws ServletException, IOException {
		System.out.println("TestLoad.doPost()");
	}

	@Override
	public void service(ServletRequest req, ServletResponse res)
			throws ServletException, IOException {
		System.out.println("TestLoad.service()");
		super.service(req, res);
	}

	@Override
	public void destroy() {
		System.out.println("TestLoad.destroy()");
	}

	@Override
	public void init() throws ServletException {
		System.out.println("TestLoad.init()00000000");
	}
	
}