1.需要安裝Protocol Buffer
直接：apt-get install protobuf-compiler
安裝完畢後，進入解壓目錄的python目錄，執行python setup.py install；安裝python的protobuf庫即可。
2.可以查詢到它的大致用法
pijing@ubuntu:~/protobuffer$ protoc -h
Usage: protoc [OPTION] PROTO_FILES
Parse PROTO_FILES and generate output based on the options given:
-IPATH, --proto_path=PATH ? Specify the directory in which to search for
imports. ?May be specified multiple times;
directories will be searched in order. ?If not
given, the current working directory is used.
--version ? Show version info and exit.
-h, --help ?Show this text and exit.
--encode=MESSAGE_TYPE ? Read a text-format message of the given type
from standard input and write it in binary
to standard output. ?The message type must
be defined in PROTO_FILES or their imports.
--decode=MESSAGE_TYPE ? Read a binary message of the given type from
standard input and write it in text format
to standard output. ?The message type must
be defined in PROTO_FILES or their imports.
--decode_raw Read an arbitrary protocol message from
standard input and write the raw tag/value
pairs in text format to standard output. ?No
PROTO_FILES should be given when using this
flag.
-oFILE, Writes a FileDescriptorSet (a protocol buffer,
--descriptor_set_out=FILE defined in descriptor.proto) containing all of
the input files to FILE.
--include_imports ? When using --descriptor_set_out, also include
all dependencies of the input files in the
set, so that the set is self-contained.
--include_source_info ? When using --descriptor_set_out, do not strip
SourceCodeInfo from the FileDescriptorProto.
This results in vastly larger descriptors that
include information about the original
location of each decl in the source file as
well as surrounding comments.
--error_format=FORMAT ? Set the format in which to print errors.
FORMAT may be 'gcc' (the default) or 'msvs'
(Microsoft Visual Studio format).
--plugin=EXECUTABLE Specifies a plugin executable to use.
Normally, protoc searches the PATH for
plugins, but you may specify additional
executables not in the path using this flag.
Additionally, EXECUTABLE may be of the form
NAME=PATH, in which case the given plugin name
is mapped to the given executable even if
the executable's own name differs.
--cpp_out=OUT_DIR ? Generate C++ header and source.
--java_out=OUT_DIR ?Generate Java source file.
--python_out=OUT_DIR Generate Python source file.
3.簡單使用壹下
首先定義proto文件，my.proto
{
optional int32 id=1;
optional string testname=2;
}
然後，執行命令：
protoc --python_out=./ ./my.proto
得到my_pb2.py文件
最後，在當前目錄下新建壹個test.py文件夾，寫入測試的腳本，包括序列化和反序列化代碼：