Golang构建时遇到vendor依赖问题如何解决

Golang构建时遇到vendor依赖问题如何解决 我想在我的项目中使用 parquet-go 库（https://github.com/xitongsys/parquet-go），但在构建项目时遇到了问题。以下是重现问题的步骤：

1. 创建一个名为 temp 的新项目，并将以下代码写入 main.go

package main

import (
	"github.com/xitongsys/parquet-go/ParquetFile"
	"github.com/xitongsys/parquet-go/ParquetWriter"
)

type Model struct {
	F1 string `parquet:"name=name, type=UTF8"`
}

func main() {
	// Write
	fw, _ := ParquetFile.NewLocalFileWriter("/tmp/test.parquet")
	pw, _ := ParquetWriter.NewParquetWriter(fw, new(Model), 4)
	stu := Model{F1: "f1"}
	pw.Write(stu)
	fw.Close()
}

代码结构应该是：

$GOPATH/src
|-- temp
    |-- main.go

1. 使用 “go get github.com/xitongsys/parquet-go/…” 下载所需的库。完成后，代码结构应该是：

$GOPATH/src
|-- cloud.google.com
|-- github.com
|-- go.opencensus.io
|-- golang.org
|-- google.golang.org
|-- gopkg.in
|-- temp
    |-- main.go

1. 使用 “go build” 构建项目。这不会有问题。

2. 将所有依赖项复制到 “vendor” 目录：

$GOPATH/src
|-- cloud.google.com
|-- github.com
|-- go.opencensus.io
|-- golang.org
|-- google.golang.org
|-- gopkg.in
|-- temp
    |-- main.go
    |-- vendor
        |-- cloud.google.com
        |-- github.com
        |-- go.opencensus.io
        |-- golang.org
        |-- google.golang.org
        |-- gopkg.in

然后运行 “go build”，但失败了，错误如下：

$ go build
vendor/github.com/colinmarc/hdfs/client.go:14:2: use of internal package github.com/colinmarc/hdfs/internal/protocol/hadoop_hdfs not allowed
vendor/github.com/colinmarc/hdfs/client.go:15:2: use of internal package github.com/colinmarc/hdfs/internal/rpc not allowed

1. 然后我删除 $GOPATH/src 下的所有依赖项：

$GOPATH/src
|-- temp
    |-- main.go
    |-- vendor
        |-- cloud.google.com
        |-- github.com
        |-- go.opencensus.io
        |-- golang.org
        |-- google.golang.org
        |-- gopkg.in

然后运行 “go build”，但也失败了，出现不同的错误：

$ go build
vendor/github.com/colinmarc/hdfs/client.go:13:2: cannot find package "github.com/colinmarc/hdfs/v2/hadoopconf" in any of:
	/Users/jrliu/Projects/go_temp/src/temp/vendor/github.com/colinmarc/hdfs/v2/hadoopconf (vendor tree)
	/usr/local/go/src/github.com/colinmarc/hdfs/v2/hadoopconf (from $GOROOT)
	/Users/jrliu/Projects/go_temp/src/github.com/colinmarc/hdfs/v2/hadoopconf (from $GOPATH)
vendor/github.com/colinmarc/hdfs/client.go:14:2: cannot find package "github.com/colinmarc/hdfs/v2/internal/protocol/hadoop_hdfs" in any of:
	/Users/jrliu/Projects/go_temp/src/temp/vendor/github.com/colinmarc/hdfs/v2/internal/protocol/hadoop_hdfs (vendor tree)
	/usr/local/go/src/github.com/colinmarc/hdfs/v2/internal/protocol/hadoop_hdfs (from $GOROOT)
	/Users/jrliu/Projects/go_temp/src/github.com/colinmarc/hdfs/v2/internal/protocol/hadoop_hdfs (from $GOPATH)
vendor/github.com/colinmarc/hdfs/client.go:15:2: cannot find package "github.com/colinmarc/hdfs/v2/internal/rpc" in any of:
	/Users/jrliu/Projects/go_temp/src/temp/vendor/github.com/colinmarc/hdfs/v2/internal/rpc (vendor tree)
	/usr/local/go/src/github.com/colinmarc/hdfs/v2/internal/rpc (from $GOROOT)
	/Users/jrliu/Projects/go_temp/src/github.com/colinmarc/hdfs/v2/internal/rpc (from $GOPATH)

有人能帮我找出问题所在吗？我将非常感激！

$ go version
go version go1.12 darwin/amd64