http://kettle.pentaho.com/ 下载地址！想要什么自己选
http://wiki.pentaho.com/display/EAI/Getting+Started 基础教程
http://wiki.pentaho.com/display/EAI/Pentaho+Data+Integration+Steps 详细教程
kettle 组件所对应的类：
转换相关：https://wiki.pentaho.com/display/EAI/Pentaho+Data+Integration+Steps
job 相关:https://wiki.pentaho.com/display/EAI/Pentaho+Data+Integration+Job+Entries