apache-tomcat-下载:http://tomcat.apache.org/download-90.cgi
安装(转载):http://jingyan.baidu.com/article/60ccbceb543d3064cab19739.html
eclipse下配置tomcat:http://jingyan.baidu.com/article/ca2d939dd90183eb6d31ce79.html
eclipse下配置tomcat的几个重要问题:http://jingyan.baidu.com/article/ab69b270ccc4792ca7189fd6.html