使用web容器启动job任务

脚本启动要写前置脚本和后置脚本，使用tomcat启动没那么多事,
只要配置web.xml在启动的时候加载spring.xml即可

<!DOCTYPE web-app PUBLIC        "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"        "http://java.sun.com/dtd/web-app_2_3.dtd" ><web-app        xmlns="http://java.sun.com/xml/ns/javaee"        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"        xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"        version="3.0"        metadata-complete="true">    <display-name>worker</display-name>    <!-- Spring配置文件开始  -->    <context-param>        <param-name>contextConfigLocation</param-name>        <param-value>            classpath:spring-config.xml        </param-value>    </context-param>    <listener>        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>    </listener>    <!-- Spring配置文件结束 --></web-app>