grpc-golang windows环境搭建说明

下载protoc，打开链接下载后将对应的文件解压到gopath的bin目录。
下载protoc的golang插件。下载地址链接下载后放在protoc的同级目录（需要改扩展名为exe）
测试，定义一个Proto

syntax = "proto3";
option go_package = ".;hello";
package main;

 message String {
     string value = 1;
}

然后执行命令 protoc hello.proto --go_out=. ,大功告成，生成的文件内容如下：

// Code generated by protoc-gen-go. DO NOT EDIT.
// versions:
// 	protoc-gen-go v1.24.0-devel
// 	protoc        v3.12.3
// source: hello.proto

package hello

import (
	proto "github.com/golang/protobuf/proto"
	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
	reflect "reflect"
	sync "sync"
)

const (
	// Verify that this generated code is sufficiently up-to-date.
	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
	// Verify that runtime/protoimpl is sufficiently up-to-date.
	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
)

// This is a compile-time assertion that a sufficiently up-to-date version
// of the legacy proto package is being used.
const _ = proto.ProtoPackageIsVersion4

type String struct {
	state         protoimpl.MessageState
	sizeCache     protoimpl.SizeCache
	unknownFields protoimpl.UnknownFields

	Value string `protobuf:"bytes,1,opt,name=value,proto3" json:"value,omitempty"`
}

func (x *String) Reset() {
	*x = String{}
	if protoimpl.UnsafeEnabled {
		mi := &file_hello_proto_msgTypes[0]
		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
		ms.StoreMessageInfo(mi)
	}
}

func (x *String) String() string {
	return protoimpl.X.MessageStringOf(x)
}

func (*String) ProtoMessage() {}

func (x *String) ProtoReflect() protoreflect.Message {
	mi := &file_hello_proto_msgTypes[0]
	if protoimpl.UnsafeEnabled && x != nil {
		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
		if ms.LoadMessageInfo() == nil {
			ms.StoreMessageInfo(mi)
		}
		return ms
	}
	return mi.MessageOf(x)
}

// Deprecated: Use String.ProtoReflect.Descriptor instead.
func (*String) Descriptor() ([]byte, []int) {
	return file_hello_proto_rawDescGZIP(), []int{0}
}

func (x *String) GetValue() string {
	if x != nil {
		return x.Value
	}
	return ""
}

var File_hello_proto protoreflect.FileDescriptor

var file_hello_proto_rawDesc = []byte{
	0x0a, 0x0b, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x04, 0x6d,
	0x61, 0x69, 0x6e, 0x22, 0x1e, 0x0a, 0x06, 0x53, 0x74, 0x72, 0x69, 0x6e, 0x67, 0x12, 0x14, 0x0a,
	0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x05, 0x76, 0x61,
	0x6c, 0x75, 0x65, 0x42, 0x09, 0x5a, 0x07, 0x2e, 0x3b, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x62, 0x06,
	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
}

var (
	file_hello_proto_rawDescOnce sync.Once
	file_hello_proto_rawDescData = file_hello_proto_rawDesc
)

func file_hello_proto_rawDescGZIP() []byte {
	file_hello_proto_rawDescOnce.Do(func() {
		file_hello_proto_rawDescData = protoimpl.X.CompressGZIP(file_hello_proto_rawDescData)
	})
	return file_hello_proto_rawDescData
}

var file_hello_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
var file_hello_proto_goTypes = []interface{}{
	(*String)(nil), // 0: main.String
}
var file_hello_proto_depIdxs = []int32{
	0, // [0:0] is the sub-list for method output_type
	0, // [0:0] is the sub-list for method input_type
	0, // [0:0] is the sub-list for extension type_name
	0, // [0:0] is the sub-list for extension extendee
	0, // [0:0] is the sub-list for field type_name
}

func init() { file_hello_proto_init() }
func file_hello_proto_init() {
	if File_hello_proto != nil {
		return
	}
	if !protoimpl.UnsafeEnabled {
		file_hello_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
			switch v := v.(*String); i {
			case 0:
				return &v.state
			case 1:
				return &v.sizeCache
			case 2:
				return &v.unknownFields
			default:
				return nil
			}
		}
	}
	type x struct{}
	out := protoimpl.TypeBuilder{
		File: protoimpl.DescBuilder{
			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
			RawDescriptor: file_hello_proto_rawDesc,
			NumEnums:      0,
			NumMessages:   1,
			NumExtensions: 0,
			NumServices:   0,
		},
		GoTypes:           file_hello_proto_goTypes,
		DependencyIndexes: file_hello_proto_depIdxs,
		MessageInfos:      file_hello_proto_msgTypes,
	}.Build()
	File_hello_proto = out.File
	file_hello_proto_rawDesc = nil
	file_hello_proto_goTypes = nil
	file_hello_proto_depIdxs = nil
}

注意:

参考官网的步骤，精简下安装流程

启用GOMOUDLE 运行 set GO111MODULE=on (临时)或者设置环境变量
安装生成相关工具

go插件

go get -u google.golang.org/protobuf/cmd/protoc-gen-go 
go get -u google.golang.org/grpc/cmd/protoc-gen-go-grpc

protobuf编译器可以去github release页面下载，我这里直接给出地址，请按系统架构选择，下载解压到GOPATH目录即可

https://github.com/protocolbuffers/protobuf/releases/download/v3.14.0/protoc-3.14.0-win32.zip
https://github.com/protocolbuffers/protobuf/releases/download/v3.14.0/protoc-3.14.0-win64.zip

vsCode可以安装插件 vscode-proto3 后，在 settings.json 中添加下面的内容，将可以实现保存proto文件后自动生成对应的go文件：

"protoc": {

        "path": "${env.GOPATH}/bin/protoc",
        "compile_on_save": true,
        "options": [
            "--proto_path=.",
            "--proto_path=${workspaceRoot}/proto",
            "--experimental_allow_proto3_optional",
            // "--csharp_out=${workspaceRoot}/proto",
            "--go_out=${workspaceRoot}/proto",
            "--go_opt=paths=source_relative",
            "--go-grpc_out=require_unimplemented_servers=false:${workspaceRoot}/proto",
            "--go-grpc_opt=paths=source_relative"
        ]
    },

注：

处理官方库不能访问的问题

go mod edit -replace=google.golang.org/grpc=github.com/grpc/[email protected]
go mod tidy
go mod vendor
go build -mod=vendor

grpc生态插件 github

go install \
    github.com/grpc-ecosystem/grpc-gateway/v2/protoc-gen-grpc-gateway \
    github.com/grpc-ecosystem/grpc-gateway/v2/protoc-gen-openapiv2 \
    google.golang.org/protobuf/cmd/protoc-gen-go \
    google.golang.org/grpc/cmd/protoc-gen-go-grpc

常见问题

protoc-gen-go failed :: The import path must contain at least one forward slash (’/’) character."
```
 修改proto定义中的 `option go_package="pb";` 为 `option go_package = "./;pb";`
```

参考

链接

注：#

常见问题#

参考教程#

注：

常见问题

参考教程