web05-CounterServlet
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新建web項(xiàng)目,名字web05-CounterServlet
新建servlet,名字CounterServlet
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public void doGet(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {ServletContext context=getServletContext();Integer count = (Integer)context.getAttribute("counter");if(null==count){count = new Integer(1);}else{count = new Integer(count.intValue()+1);}response.setContentType("text/html;charset=utf-8");PrintWriter out=response.getWriter();out.println("該頁(yè)面已經(jīng)被訪(fǎng)問(wèn)了"+"<b>"+count+"</b>"+"次");context.setAttribute("counter", count);out.close();}----
配置web.xml為
<servlet><description>This is the description of my J2EE component</description><display-name>This is the display name of my J2EE component</display-name><servlet-name>CounterServlet</servlet-name><servlet-class>CounterServlet</servlet-class></servlet><servlet-mapping><servlet-name>CounterServlet</servlet-name><url-pattern>/product.html</url-pattern></servlet-mapping>注意:本servlet中的URL指定的是/product.html,對(duì)用戶(hù)來(lái)說(shuō)是一個(gè)靜態(tài)網(wǎng)頁(yè),屏蔽了服務(wù)器的實(shí)現(xiàn)細(xì)節(jié)。
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瀏覽器訪(fǎng)問(wèn):http://localhost:8080/web05-CounterServlet/product.html
結(jié)果:
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轉(zhuǎn)載于:https://www.cnblogs.com/zhaixing/p/5681119.html
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