https://blog.csdn.net/xiaoyiaoyou/article/details/45876073
https://docs.spring.io/spring/docs/3.0.0.M3/reference/html/ch04s04.html
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https://blog.csdn.net/xiaoyiaoyou/article/details/45876073
https://docs.spring.io/spring/docs/3.0.0.M3/reference/html/ch04s04.html
大腦正在消化中 ··· ···
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))