json-lib-2.3-jdk15.jar commons-beanutils-1.7.0.jar commons-httpclient-3.1.jar commons-lang-2.3.jar commons-logging-1.0.4.jar commons-collections-3.1.jar ezmorph-1.0.3.jar 这些包可以从一下地方下载： http://commons.apache.org/index.html http://json-lib.sourceforge.net/ http://ezmorph.sourceforge.net/ http://www.docjar.com/ 如果不关联这些包，则会出现以下错误： java.lang.NoClassDefFoundError: net/sf/ezmorph/Morpher java.lang.NoClassDefFoundError: org/apache/commons/collections/map/ListOrderedMap java.lang.NoClassDefFoundError: org/apache/commons/beanutils/DynaBean java.lang.NoClassDefFoundError: org/apache/commons/codec/DecoderException java.lang.NoClassDefFoundError: org/apache/commons/lang/exception/NestableRuntimeException java.lang.NoClassDefFoundError: org/apache/commons/logging/LogFactory
