e_00004后台自动发送邮件的程序(JavaMail，WEB版）.doc

---------------------------后台自动发送邮件的程序(Java Mail，WEB版）（转载） web.xml文件 ?xml version=1.0 encoding=UTF-8?!DOCTYPE web-app PUBLIC -//Sun Microsystems, Inc.//DTD Web Application 2.3//EN /dtd/web-app_2_3.dtdweb-app? servlet??? servlet-namemailsenderservlet/servlet-name!--邮件发送程序--??? servlet-classcom.email.MailSenderServlet/servlet-class??? init-param????? param-nameserver/param-name!--邮件服务器SMTP地址--????? param-value/param-value??? /init-param??? init-param????? param-nameport/param-name!--邮件服务器SMTP端口--????? param-value25/param-value??? /init-param??? init-param????? param-nameaddress/param-name!--邮件地址--????? param-valueusername@163.com/param-value??? /init-param??? init-param????? param-nameusername/param-name!--邮件账号--????? param-valueusername/param-value??? /init-param??? init-param????? param-namepassword/param-name!--密码--????? param-value******/param-value??? /init-param??? init-param????? param-namevalidate/param-name!--SMTP服务器是否要求验证--????? param-valuetrue/param-value??? /init-param??? init-param????? param-nametime/param-name!--扫描数据库时间间隔（分钟）--????? param-value5/param-value??? /init-param??? load-on-startup1/load-on-startup? /servlet/web-app servlet: package com.email; import javax.servlet.*;import javax.servlet.http.*;import java.io.*; public class MailSenderServlet??? extends HttpServlet {? private MailSender sender;? private Thread t; ? public void init() throws ServletException {??? sender = new MailSender();??? sender.setRoot(root);??? String server = getInitParameter(server);??? String port = getInitParameter(port);??? String address = getInitParameter(address);??? String username = getInitParameter(username);??? String password = getInitParameter(password);??? if (server == null || port == null || address == null || username == null ||??????? password == null) {????? System.out.println(系统文件web.xml错误：邮件发送程序初始化失败！);????? return;??? }??? sender.setServer(server);??? sender.setPort(port);??? sender.setAddress(