大家都知道protobuf好用，可是在网上找到的netty整合protobuf的文章都是千篇一律，自己编写proto文件然后使用工具转java文件用起来复杂麻烦，经过不懈努力终于找到了一个简单的方法希望大家喜欢。
google原生的protobuffer使用起来相当麻烦，首先要写.proto文件，然后编译.proto文件，生成对应的.java文件，鄙人试了一次，发现真的很麻烦。而protostuff的官方网站(http://www.protostuff.io/documentation/runtime-schema/)，对于智商比较低的小编来说也略显生涩，于是鄙人就根据项目中用到的protostuff，撰写此文，以方便自己和他人加深印象和学习。
1.实战
1.maven依赖：<dependency>
<groupid>io.protostuff</groupid>
<artifactid>protostuff-core</artifactid>
<version>1.4.0</version>
</dependency>
<dependency>
<groupid>io.protostuff</groupid>
<artifactid>protostuff-runtime</artifactid>
<version>1.4.0</version>
</dependency>
2.protobufutil工具类:protobufutil.javaimport io.protostuff.linkedbuffer;
import io.protostuff.protobufioutil;
import io.protostuff.protostuffioutil;
import io.protostuff.schema;
import io.protostuff.runtime.runtimeschema;
/**
* created by zhangzh on 2017/2/20.
*/
public class protobufutil {
public protobufutil() {
}
public static <t> byte[] serializer(t o) {
schema schema = runtimeschema.getschema(o.getclass());
return protobufioutil.tobytearray(o, schema, linkedbuffer.allocate(256));
}
public static <t> t deserializer(byte[] bytes, class<t> clazz) {
t obj = null;
try {
obj = clazz.newinstance();
schema schema = runtimeschema.getschema(obj.getclass());
protostuffioutil.mergefrom(bytes, obj, schema);
} catch (instantiationexception e) {
e.printstacktrace();
} catch (illegalaccessexception e) {
e.printstacktrace();
}
return obj;
}
}
3. bean类student.java: import io.protostuff.tag;
/**
* created by zhangzh on 2017/2/20.
*/
public class student {
@tag(1)
private string name;
@tag(2)
private string studentno;
@tag(3)
private int age;
@tag(4)
private string schoolname;
// 关于@tag,要么所有属性都有@tag注解,要么都没有,不能一个类中只有部分属性有@tag注解
public string getname() {
return name;
}
public void setname(string name) {
this.name = name;
}
public string getstudentno() {
return studentno;
}
public void setstudentno(string studentno) {
this.studentno = studentno;
}
public int getage() {
return age;
}
public void setage(int age) {
this.age = age;
}
public string getschoolname() {
return schoolname;
}
public void setschoolname(string schoolname) {
this.schoolname = schoolname;
}
@override
public string tostring() {
return "student{" +
"name='" + name + '\'' +
", studentno='" + studentno + '\'' +
", age=" + age +
", schoolname='" + schoolname + '\'' +
'}';
}
}
3.test类protobufutiltest.java: import java.util.arrays;
/**
* created by zhangzh on 2017/2/20.
*/
public class protobufutiltest {
public static void main(string[] args) {
student student = new student();
student.setname("lance");
student.setage(28);
student.setstudentno("2011070122");
student.setschoolname("bjut");
byte[] serializerresult = protobufutil.serializer(student);
system.out.println("serializer result:" + arrays.tostring(serializerresult));
student deserializerresult = protobufutil.deserializer(serializerresult,student.class);
system.out.println("deserializerresult:" + deserializerresult.tostring());
}
}
4.输出结果: serializer result:[10, 5, 108, 97, 110, 99, 101, 18, 10, 50, 48, 49, 49, 48, 55, 48, 49, 50, 50, 24, 28, 34, 4, 66, 74, 85, 84]
deserializerresult:student{name='lance', studentno='2011070122', age=28, schoolname='bjut'}
总结
以上就是这篇文章的全部内容了，希望本文的内容对大家的学习或者工作具有一定的参考学习价值，谢谢大家对服务器之家的支持。如果你想了解更多相关内容请查看下面相关链接
原文链接：https://blog.csdn.net/zhglance/article/details/56017926
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编程语言
发布于：2021-08-17 12:28
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阅读数：477
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