比较全的java开发包，要用到的朋友可以下载 ant.jar antlr-2.7.2.jar antlr-2.7.6.jar aopalliance-1.0.jar avalon-framework-4.2.0.jar barbecue-1.5-beta1.jar barcode4j.jar c3p0-0.9.2-pre1.jar classworlds-1.1.jar commons-beanutils-1.7.0.jar commons-beanutils-1.8.0.jar commons-chain-1.2.jar commons-collections-3.2.jar commons-dbcp.jar commons-dbutils-1.1.fixed.jar commons-digester-2.0.jar commons-fileupload-1.2.1.jar commons-io-1.3.2.jar commons-io-1.4.jar commons-lang-2.3.jar commons-logging-1.0.4.jar commons-logging-api-1.1.jar commons-logging.jar commo ns-pool.jar commons-validator-1.3.1.jar dom4j-1.6.1.jar freemarker-2.3.15.jar jaxen-1.1-beta-6.jar jcommon-1.0.17.jar jdom.jar jfreechart-1.0.14.jar json_simple-1.1.jar json-lib-2.1.jar jstl.jar jtds-1.0.3.jar log4j-1.2.14.jar mchange-commons-0.2.jar mysql-connector-java-5.0.3-bin.jar ognl-2.7.3.jar oro-2.0.8.jar sqljdbc4.jar sslext-1.2-0.jar standard.jar struts2-convention-plugin-2.1.8.1.jar struts2-core-2.1.8.1.jar struts2-embeddedjsp-plugin-2.1.8.1.jar struts2-json-plugin-2.1.8.1.jar xwork-core-2.1.6.jar