// explode 与 lateral view
https://blog.csdn.net/bitcarmanlee/article/details/51926530
https://blog.csdn.net/oopsoom/article/details/26001307
https://blog.csdn.net/inte_sleeper/article/details/7196114
// 用户自定义函数详细介绍
https://blog.csdn.net/zhaoli081223/article/details/46637517
