配置 struts2.3 所需要的jar包
commons-fileupload-1.2.2.jar commons-io-2.0.1.jar commons-lang-2.5.jar freemarker-2.3.18.jar javassist-3.11.0.GA.jar ognl-3.0.3.jar struts2-core-2.3.1.jar xwork-core-2.3.1.jar
