ServletRequestListener接口
MyServletRequestListener
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public class MyServletRequestListener implements ServletRequestListener { public void requestDestroyed(ServletRequestEvent sre) { HttpServletRequest request = (HttpServletRequest)sre.getServletRequest(); System.out.println("请求对象"+request.getRequestURI() + "被销毁了"); }
public void requestInitialized(ServletRequestEvent sre) { HttpServletRequest request = (HttpServletRequest)sre.getServletRequest(); System.out.println("请求对象"+request.getRequestURI() + "被创建了"); } } |
ServletRequestListener的实际用途:统计网站的请求数量,可以计算网站性能(实际应用不多)
本文介绍了一个具体的ServletRequestListener实现——MyServletRequestListener。该类通过覆写requestInitialized和requestDestroyed方法,在请求开始和结束时打印相关信息,可用于统计网站请求数量及评估网站性能。
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