go错误处理

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1. go get 443
   

go env -w GOPROXY=https://goproxy.cn

2. Go：Unresolved dependency
   https://blog.csdn.net/lvsehaiyang1993/article/details/109046094

3. go get某工具后'xxx' 不是内部或外部命令，也不是可运行的程序 或批处理文件。
   解决步骤：

• 1.确保 GOPATH 已配置

• 2.将 %GOPATH%\bin 添加到PATH环境变量

4. build constraints exclude all Go files

set GO111MODULE=on
set GOARCH=amd64
set GOBIN=
set GOCACHE=C:\Users\38114\AppData\Local\go-build
set GOENV=C:\Users\38114\AppData\Roaming\go\env
set GOEXE=.exe
set GOFLAGS=
set GOHOSTARCH=amd64
set GOHOSTOS=windows
set GOINSECURE=
set GONOPROXY=
set GONOSUMDB=
set GOOS=windows
set GOPATH=C:\Users\38114\go
set GOPRIVATE=
set GOPROXY=https://goproxy.cn
set GOROOT=c:\go
set GOSUMDB=sum.golang.org
set GOTMPDIR=
set GOTOOLDIR=c:\go\pkg\tool\windows_amd64
set GCCGO=gccgo
set AR=ar
set CC=gcc
set CXX=g++
set CGO_ENABLED=1
set GOMOD=NUL
set CGO_CFLAGS=-g -O2
set CGO_CPPFLAGS=
set CGO_CXXFLAGS=-g -O2
set CGO_FFLAGS=-g -O2
set CGO_LDFLAGS=-g -O2
set PKG_CONFIG=pkg-config
set GOGCCFLAGS=-m64 -mthreads -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=C:\Users\38114\AppData\Local\Temp\go-build025999686=/tmp/go-build -gno-record-gcc-switches

查看自己的配置
go env
修改配置
go env -w CGO_ENABLED=1