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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                #servlet的生命周期: * 1.從第一次調用到服務器關閉 * 2.如果web.xml中配置了load-on-startup則生命周期為:從 * 服務器啟動到服務器關閉 (load-on-startup配置如下圖) ![](https://box.kancloud.cn/c29993cb44630b92c93463fc909b7ee9_1346x401.PNG) **圖中的"1"表示加載的順序** ***** #注意: * init()是在servlet第一次進入內存的時候被調用 * destory()是在服務器關閉的時候被調用 ## servlet生命周期的代碼: ``` package com.igeek.servlet; import java.io.IOException; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; /** * servlet的生命周期: * 1.從第一次調用到服務器關閉 * 2.如果web.xml中配置了load-on-startup則生命周期為:從 * 服務器啟動到服務器關閉 * 注意: * init()是在servlet第一次進入內存的時候被調用 * destory()是在服務器關閉的時候被調用 * Servlet implementation class ServletLife */ public class ServletLife extends HttpServlet { //初始化方法,在servlet第一次加載內容的時候被調用 @Override public void init() throws ServletException { System.out.println("servlet初始化"); } //service方法,真正處理請求的方法 @Override protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { resp.getWriter().write("servletlife"); System.out.println("servletlife"); } @Override public void destroy() { System.out.println("我被銷毀了"); } } ```
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