源地址:http://wenku.baidu.com/link?url=lI6UYpvDs_y8ku6DytEZLl4GSJjQ0GAGPvv8txrbRoQKgqzTCMAfBZI5mn9t-KQk1feJd60Y4Mh-OJNiXFe3NKfVkYrt_9KBSNCJZkq2YQS
集思广益:http://www.dataguru.cn/thread-260203-1-1.html
http://bbs.csdn.net/topics/380097363
源地址:http://wenku.baidu.com/link?url=lI6UYpvDs_y8ku6DytEZLl4GSJjQ0GAGPvv8txrbRoQKgqzTCMAfBZI5mn9t-KQk1feJd60Y4Mh-OJNiXFe3NKfVkYrt_9KBSNCJZkq2YQS
集思广益:http://www.dataguru.cn/thread-260203-1-1.html
http://bbs.csdn.net/topics/380097363