Servlet接口的常用方法

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一:Servlet接口

    1.Servlet接口的常用方法

     

      方法名称                                                                                                                        功能描述

                                                                                                                                              

      public void service(ServletRequest req,ServletResponse res)                                     由servlet容器调用,用于完成Servlet对象在处理客户请求前的初始化工作

      public void service(ServletRequest req,ServletResponse res)                                     由servlet容器调用,用于处理客户端 的请求

      public void destroy()                                                                                                      由servlet容器调用,释放Servlet对象所使用的资源

      public ServletConfig getServletConfig()                                                                        返回ServletConfig对象,该对象包含此servlet的初始化和启动参数。返回的ServletConfig

                                                                                                                                            对象是传递给init()方法的对象

     public String getServletInfo()                                                                                         返回有关servlet的信息,如作者,版本和版权。返回的字符串是纯文本,而不是任何种

                                                                                                                                            类的标记(如HTML,XML等)