https://www.cnblogs.com/yxwkf/p/3942214.html
2. Android5.0网络之netd
https://blog.csdn.net/javon_hzw/article/details/46447641
https://www.cnblogs.com/yxwkf/p/3942214.html
2. Android5.0网络之netd
https://blog.csdn.net/javon_hzw/article/details/46447641
shell腳本獲取腳本所在目錄 執行腳本的父目錄不一定是當前的工作目錄。 url=$(dirname $(readlink -f $0))