正则表达式：

1、【正则表达式】https://c.runoob.com/front-end/854/  
    2、【地图svg】https://www.cnblogs.com/AustinAn/p/3668030.html
    3、【echarts 绘制3d地图】 https://segmentfault.com/a/1190000037609745
    4、【vue 中使用微信登录】https://segmentfault.com/a/1190000040649617

java 工具类

https://blog.csdn.net/qq9808/article/details/78320816 

https://www.jianshu.com/p/ef3830c10be3

https://www.cnblogs.com/l20902/p/10610886.html  [文件合并等操作]

list 与数组的转换

https://www.jianshu.com/p/ce3b6355f7ee

https://codeleading.com/article/55422475808/