NtpClient

http://www.baidu.com/link?url=IWGCXsX4Mns_ZjEF6HYEK156xCsndi9Bu1w3x_YiaJfdsr8vf0Q5worm43W3OiEmSHpzTpBb09uNWKuZHHBxCq&wd=&eqid=a879c5bd000b5d16000000045730a9a6

原文地址:https://www.cnblogs.com/diyunpeng/p/5475967.html