[Solved] Golang Error: main.go:5:2: package go_code/chapter10/factory/model is not in GOROOT

golang Error: is not in GOROOT

The following errors are reported during operation

PS C:\goproject\src\go_code\chapter10\factory\main> go run main.go
main.go:5:2: package go_code/chapter10/factory/model is not in GOROOT (C:\go\src\go_code\chapter10\factory\model)

The process is as follows

PS C:\goproject\src\go_code\chapter10\factory\main> go run main.go
main.go:5:2: package go_code/chapter10/factory/model is not in GOROOT (C:\go\src\go_code\chapter10\factory\model)

PS C:\goproject\src\go_code\chapter10\factory\main>  go env
set GO111MODULE=

PS C:\goproject\src\go_code\chapter10\factory\main> go env -w GO111MODULE=off
PS C:\goproject\src\go_code\chapter10\factory\main> go run main.go
{tom 78.9}

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