Golang实现端口转发，搭隧道 Golang实现端口转发，实现服务器未开放8080，3306等端口，然后在线打开宝塔面板，本地连接mysql数据库，方便开发调试

Golang交叉编译go-sqlite3 背景需要在mac机上编译出linux使用的应用，引用了go-sqlite3包,出现编译错误错误详情qiantao@qiant elfishfs-go % CGO_ENABLED=1 GOOS=linux GOARCH=amd64 go build -ldflags "-linkmode external -extldflags -static" -o demo # github.com/mattn/go-sqlite3 sqlite3-binding.c:33886:42: error: use of undeclared identifier 'pread64' sqlite3-binding.c:33904:42: error: use of undeclared identifier 'pwrite64' sqlite3-binding.c:34037:22: error: invalid application of 'sizeof' to an incomplete type 'struct unix_syscall []' sqlite3-binding.c:34046:22: error: invalid application of 'sizeof' to an incomplete type 'struct unix_syscall []' sqlite3-binding.c:34073:20: error: invalid application of 'sizeof' to an incomplete type 'struct unix_syscall []' sqlite3-binding.c:34090:16: error: invalid application of 'sizeof' to an incomplete type 'struct unix_syscall []' sqlite3-binding.c:14567:38: note: expanded from macro 'ArraySize' sqlite3-binding.c:34094:14: error: invalid application of 'sizeof' to an incomplete type 'struct unix_syscall []' sqlite3-binding.c:14567:38: note: expanded from macro 'ArraySize' sqlite3-binding.c:36748:11: warning: type specifier missing, defaults to 'int' [-Wimplicit-int] sqlite3-binding.c:33890:49: note: expanded from macro 'osPread64' sqlite3-binding.c:36860:17: warning: type specifier missing, defaults to 'int' [-Wimplicit-int] sqlite3-binding.c:33908:57: note: expanded from macro 'osPwrite64'问题需要交叉工具编译解决安装交叉编译工具brew install FiloSottile/musl-cross/musl-cross重新编译CC=x86_64-linux-musl-gcc CGO_ENABLED=1 GOOS=linux GOARCH=amd64 go build -ldflags "-linkmode external -extldflags -static" -o demo作者：guhan121链接：https://www.jianshu.com/p/6ec6021c0e46来源：简书著作权归作者所有。商业转载请联系作者获得授权，非商业转载请注明出处。

Golang交叉编译多个平台可执行文件 1.MacMac下编译Linux平台的64位可执行程序：CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build main.goMac下编译Windows平台的64位可执行程序：CGO_ENABLED=0 GOOS=windows GOARCH=amd64 go build main.go2.LinuxLinux下编译Mac平台的64位可执行程序：CGO_ENABLED=0 GOOS=darwin GOARCH=amd64 go build main.goLinux下编译Windows平台的64位可执行程序：CGO_ENABLED=0 GOOS=windows GOARCH=amd64 go build mian.go3.WindowsWindows下编译Mac平台的64位可执行程序：go env -w CGO_ENABLED=0 go env -w GOOS=darwin3 go env -w GOARCH=amd64 go build main.goWindows下编译Linux平台的64位可执行程序：go env -w CGO_ENABLED=0 go env -w GOOS=linux go env -w GOARCH=amd64 go build main.go说明GOOS：目标可执行程序运行操作系统，支持 darwin，freebsd，linux，windows GOARCH：目标可执行程序操作系统构架，包括 386，amd64，arm栗子🌰go env -w CGO_ENABLED=0 go env -w GOOS=linux go env -w GOARCH=amd64 go build main.go