1.環(huán)境準(zhǔn)備 systemctl stop iptables firewalld systemctl disable iptables firewalldsystemctl ...

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1.環(huán)境準(zhǔn)備 systemctl stop iptables firewalld systemctl disable iptables firewalldsystemctl ...
一、什么是異常 異常就是程序運(yùn)行時(shí)發(fā)生錯(cuò)誤的信號(在程序出現(xiàn)錯(cuò)誤時(shí)滤奈,則會(huì)產(chǎn)生一個(gè)異常摆昧,若程序沒有處理它,則會(huì)拋出該異常僵刮,程序的運(yùn)行也隨之終止)据忘,在python中,錯(cuò)誤觸發(fā)的異...