1. http://v1.iviewui.com/components/grid --ivew official website
2. https://adminlte.io/themes/AdminLTE/index2.html# --view reference component
3. https://www.cnblogs.com/wangdaijun/ ---java learning road
4. http://www.cnblogs.com/wangdaijun/p/6828699.html --- Java's Road to God