甘特圖：
https://www.douban.com/note/441706674/
https://www.uedsc.com/jquery-ganttview.html
https://github.com/thegrubbsian/jquery.ganttView
http://download.csdn.net/detail/hspeed/5479645
http://www.cnblogs.com/marksfly/p/4561165.html
流程圖：
http://blog.163.com/zjc_8886/blog/static/2408175201410175322684/
http://www.jb51.net/article/39544.htm
http://download.csdn.net/detail/caoxp_papa/9531010
http://www.cnblogs.com/holbrook/archive/2012/03/13/2394111.html
http://www.jb51.net/article/29890.htm
http://flowdesign.leipi.org/
http://www.cnblogs.com/techborther/archive/2012/04/17/2454101.html
http://www.itdos.com/JavaScript/20150311/1238266.html
http://jingyan.baidu.com/article/2f9b480dbe70ff41cb6cc2fb.html
http://blog.163.com/zjc_8886/blog/static/24081752014101745055446/
http://www.jb51.net/article/39544.htm 有代碼
https://segmentfault.com/q/1010000000185167
單擊div選中：
https://zhidao.baidu.com/question/1755801955954045188.html
http://book.51cto.com/art/201207/350433.htm