popo

go-doc-proto

Posted on Edited on

安装

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# protoc 下载
https://github.com/protocolbuffers/protobuf/releases/tag/v3.11.2


# 安装proto工具
go install code.google.com/p/goprotobuf/proto
go install code.google.com/p/goprotobuf/protoc-gen-go 

# 把工具exe目录配置到环境变量
# 在 $GOPATH/bin 目录下，如果没有，自行编译源码
D:\self\goserver\bin

构建exe

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# protoc-gen-go
# 进入到protoc-gen-go 目录，执行命令 go build ./main.go
https://github.com/golang/protobuf

调整

去掉默认值不序列化

找到table_marshal.go，修改nozero变量为false

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func (fi *marshalFieldInfo) setMarshaler(f *reflect.StructField, tags []string) {
	switch f.Type.Kind() {
	case reflect.Map:
		// map field
		fi.isPointer = true
		fi.sizer, fi.marshaler = makeMapMarshaler(f)
		return
	case reflect.Ptr, reflect.Slice:
		fi.isPointer = true
	}
	// fi.sizer, fi.marshaler = typeMarshaler(f.Type, tags, true, false)
	fi.sizer, fi.marshaler = typeMarshaler(f.Type, tags, false, false)
}