ProtoBuf在Unity3D中的简单使用!
Posted 阶梯之上
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目前Unity3D依然是移动手机开发的主流开发工具。
而在移动端推荐的打包解包方法是使用Protobuf协议:主要优点就是效率高,传输量小,节省带宽。而想要在android和ios端都能使用Protobuf,我使用的方法是把Protobuf-net源代码拷贝到项目中的Scripts文件夹中,而当拷贝到文件夹时会出现如下错误。(文章结尾附有源代码)
我们只需要在Assets目录下创建smcs.rsp文件,并在文件中写入-unsafe,重新编译,即可发现错误消失。
这样前期配置工作就完成了,下面就是简单的编码部分。
1、首先创建一个cs文件,命名为Person.cs,具体源码如下
[ProtoContract]
public class Person
[ProtoMember(1)]
public int Id get; set;
[ProtoMember(2)]
public string Name get; set;
[ProtoMember(3)]
public Address Address set; get;
public override string ToString()
return "Id = " + Id + " " + "Name = " + Name + " " + "Address = " + Address;
[ProtoContract]
public class Address
[ProtoMember(1)]
public string Line1 get; set;
[ProtoMember(2)]
public string Line2 get; set;
public override string ToString()
return "Line1 = " + Line1 + " " + "Line2 = " + Line2;
2、在项目中创建一个Test.cs文件,并挂载到Main Camera上
public class Test : MonoBehaviour
List<Person> persons = new List<Person>();
void Start()
Person p1 = new Person()
Address = new Address() Line1 = "one line address", Line2 = "two line address",
Id = 1,
Name = "肖明"
;
Person p2 = new Person() Address = new Address() Line1 = "one line", Line2 = "two line", Id = 1, Name = "肖红";
persons.Add(p1);
persons.Add(p2);
using (var file = File.Create("test.bin"))//把对象序列化到文件中
Serializer.Serialize(file,persons);
void OnGUI()
if (GUILayout.Button("反序列化"))
Deserialize();
void Deserialize()
List<Person> personList =new List<Person>();
using (var file = File.OpenRead("test.bin"))
personList = Serializer.Deserialize<List<Person>>(file);
foreach (var person in personList)
Debug.Log(person);
3、运行程序,你会发现在你的项目根目录中有一个test.bin文件,里面就存放的是我们被序列化的对象
4、点击场景中的反序列化Button,,会看到输出了如下字符串
5、我简单写了一个protobuf工具类,主要提供把对象序列化到文件或者内存中去,和把文件或者内存中的数据反序列化出来,下面是主要源代码
public class ProtobufHelper
/// <summary>
/// 把对象序列化到内存中
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="t"></param>
/// <returns></returns>
public static string Serialize<T>(T t)
using (MemoryStream ms = new MemoryStream())
Serializer.Serialize(ms, t);
return Encoding.UTF8.GetString(ms.ToArray());
/// <summary>
/// 把对象序列化到文件中
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="path"></param>
/// <param name="t"></param>
public static void Serialize<T>(string path, T t)
using (var file = File.Create(path))
Serializer.Serialize(file,t);
/// <summary>
/// 把对象从内存中反序列化回来
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="content"></param>
/// <returns></returns>
public static T Deserialize<T>(string content)
using (MemoryStream ms = new MemoryStream(Encoding.UTF8.GetBytes(content)))
T t = Serializer.Deserialize<T>(ms);
return t;
/// <summary>
/// 把对象从文件中反序列化回来
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="s"></param>
/// <returns></returns>
public static T Deserialize<T>(Stream s)
return Serializer.Deserialize<T>(s);
6、下面是这个类的简单实用方法(把数据序列化到内存中,并把对象从内存中反序列化回来),在Test.cs修改代码如下
public class Test : MonoBehaviour
List<Person> persons = new List<Person>();
string strResult = String.Empty;
void Start()
Person p1 = new Person()
Address = new Address() Line1 = "one line address", Line2 = "two line address",
Id = 1,
Name = "肖明"
;
Person p2 = new Person() Address = new Address() Line1 = "one line", Line2 = "two line", Id = 1, Name = "肖红";
persons.Add(p1);
persons.Add(p2);
strResult = ProtobufHelper.Serialize(persons);//序列化到内存中
void OnGUI()
if (GUILayout.Button("反序列化"))
Deserialize();
void Deserialize()
List<Person> personList =new List<Person>();
personList = ProtobufHelper.Deserialize<List<Person>>(strResult);从内存中反序列化出来
foreach (var person in personList)
Debug.Log(person);
7、下面是把数据序列化到文件中,并把对象从文件中反序列化回来,在Test.cs修改代码如下
public class Test : MonoBehaviour
List<Person> persons = new List<Person>();
private string path;
void Start()
path = Application.streamingAssetsPath + "/test.bin";
Person p1 = new Person()
Address = new Address() Line1 = "one line address", Line2 = "two line address",
Id = 1,
Name = "肖明"
;
Person p2 = new Person() Address = new Address() Line1 = "one line", Line2 = "two line", Id = 1, Name = "肖红";
persons.Add(p1);
persons.Add(p2);
ProtobufHelper.Serialize<List<Person>>(path,persons);//把对象序列化到文件中
void OnGUI()
if (GUILayout.Button("反序列化"))
Deserialize();
void Deserialize()
List<Person> personList =new List<Person>();
using (var file = File.OpenRead(path))//从文件中读取
personList = ProtobufHelper.Deserialize<List<Person>>(file);
foreach (var person in personList)
Debug.Log(person);
8.这就是一个简单的Protobuf序列化与反序列化介绍,我附上protobuf-net源代码供大家下载
链接:http://pan.baidu.com/s/1kUBZDYZ 密码:4b01
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