53.打造搜索引擎实战
set name=rolan

全局变量 和 局部变量的概念

https://www.baidu.com/s?wd=%E9%BB%91%E5%AE%A2&rsv_spt=1&rsv_iqid=0xd39be0ca0002fdc1&issp=1&f=8&rsv_bp=1&rsv_idx=2&ie=utf-8&tn=baiduhome_pg&rsv_enter=1&rsv_dl=tb&rsv_sug3=2&rsv_sug1=2&rsv_sug7=101&rsv_sug2=0&rsv_btype=i&prefixsug=%25E9%25BB%2591%25E5%25AE%25A2&rsp=5&inputT=1253&rsv_sug4=1750

https://www.baidu.com/s?wd=%E7%BA%A2%E5%AE%A2&rsv_spt=1&rsv_iqid=0xd39be0ca0002fdc1&issp=1&f=8&rsv_bp=1&rsv_idx=2&ie=utf-8&rqlang=cn&tn=baiduhome_pg&rsv_enter=1&rsv_dl=tb&oq=%25E9%25BB%2591%25E5%25AE%25A2&rsv_btype=t&inputT=1444&rsv_t=1483ngR8xDH%2FFZI%2BeYd3HuRINlCI6MGGb0zN03X3qp7cu4v3Pucb72K%2B9uusr7f4EukH&rsv_sug3=4&rsv_sug1=5&rsv_sug7=100&rsv_pq=f0a4205c0000ba61&rsv_sug2=0&rsv_sug4=3486


@echo off
set /p var=请输入您要搜索的关键字：
start https://www.baidu.com/s?wd=%var%
pause >nul