h5引导页面
https://blog.csdn.net/caimingxian401/article/details/83379929
https://blog.csdn.net/qing666888/article/details/59695727
https://blog.csdn.net/u010394015/article/details/80608701
https://github.com/jawidx/web-launch-app
https://blog.csdn.net/anlanjion/article/details/89965587
https://www.cnblogs.com/IT-TOP/p/10636065.html
https://www.cnblogs.com/zds958/p/10509778.html
使用2x3x图片
https://www.cnblogs.com/rmty/p/11425434.html
stick布局
