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go - 在 gorilla mux 路由器上设置 404 NotFound 处理程序

这是我用Go语言和gorillamux包编写的一个小型演示网络服务器的代码:packagemainimport("fmt""github.com/gorilla/mux""net/http")funchandler(whttp.ResponseWriter,r*http.Request){vars:=mux.Vars(r)fmt.Fprintf(w,"Hithere,Ilove%s!",vars["username"])}funchomeHandler(whttp.ResponseWriter,r*http.Request){ifr.URL.Path!="/"{errorHandler

linux - CMake 错误 : The following variables are used in this project, 但它们被设置为 NOTFOUND

我正在尝试使用tar文件whalebot-0.02.00.tar.gz配置whalebot爬虫。我已经正确提取它:root@Admin1:~/dls#tarxvzfwhalebot-0.02.00.tar.gz之后我想配置它:root@Admin1:~/dls/whalebot#./configure它给我错误:bash:./configure:Nosuchfileordirectory我也运行了命令:root@Admin1:~/dls/whalebot#cmake./它给了我以下结果:root@Admin1:~/dls/whalebot#cmake./--TheCcompilerid