jackson包开发下载，包括如下3个jar文件
jackson-databind-2.2.3.jar，还需要jackson-annotations-2.2.3.jar和jackson-core-2.2.3.jar
下载地址：http://download.csdn.net/detail/pplivemeyoushe1/7112191
jackson-databind-2.2.3.jar,ackson-annotations-2.2.3.jar和jackson-core-2.2.3.jar下载,布布扣,bubuko.com
jackson-databind-2.2.3.jar,ackson-annotations-2.2.3.jar和jackson-core-2.2.3.jar下载
原文：http://www.cnblogs.com/oymx/p/3630569.html