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：
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<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.java
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import 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:
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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:
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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
