ServletContext

[java]代码库

package pm_cn.itcast.context;

import java.io.IOException;

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

public class CountServlet extends HttpServlet {

	@Override
	public void init() throws ServletException {
		
		// 将初始化的 值 放进到  servletContext 对象中 
		
		getServletContext().setAttribute("times", 0);
		
	}
	
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		
		int times = (Integer) getServletContext().getAttribute("times");
		
		// 取出来 +1
		times++;
		
		// 然后 再 存进去  
		getServletContext().setAttribute("times", times);
		
		System.out.println(" 本网站 本 访问了 一次 .............");
	}

	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		doGet(request, response);
	}

}