官网：http://code.google.com/p/thumbnailator/ maven jar包下载地址：http://mvnrepo...

这是有道云笔记手写的： http://note.youdao.com/noteshare?id=d42db676d5d180ca160e399c...

http://note.youdao.com/noteshare?id=d1973940ef9d323eb33893aa54dbaf7e&sub...

http://note.youdao.com/noteshare?id=b50111feab32374c440f3cc87326be72&sub...

http://note.youdao.com/noteshare?id=3e427b87621941ec32006eaf46602df7&sub...

lucene6.5.0（一）：练习未连接数据库 http://note.youdao.com/noteshare?id=e666e676ac1c...