参考链接:google protobuf ios开发使用http://www.cnblogs.com/cocoajin/p/6100841.html
$ brew install protobuf
$ protoc --version
libprotoc 3.2.0
protoc --proto_path=./ --objc_out=./ ./Person.proto
// Person.proto
syntax = "proto3";
message Person {
string name = 1;
int32 age = 2;
string address = 3;
}
