6，copy个测试示例了
　　新建一个文件TestPb.java
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package com.protobuftest.protobuf;
import java.util.List;
import com.google.protobuf.InvalidProtocolBufferException;
import com.protobuftest.protobuf.PersonProbuf;
import com.protobuftest.protobuf.PersonProbuf.Person;
import com.protobuftest.protobuf.PersonProbuf.Person.PhoneNumber;
public class TestPb {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
PersonProbuf.Person.Builder builder = PersonProbuf.Person.newBuilder();
builder.setEmail("kkk@email.com");
builder.setId(1);
builder.setName("TestName");
builder.addPhone(PersonProbuf.Person.PhoneNumber.newBuilder().setNumber("131111111").setType(PersonProbuf.Person.PhoneType.MOBILE));
builder.addPhone(PersonProbuf.Person.PhoneNumber.newBuilder().setNumber("011111").setType(PersonProbuf.Person.PhoneType.HOME));
Person person = builder.build();
byte[] buf = person.toByteArray();
try {
Person person2 = PersonProbuf.Person.parseFrom(buf);
System.out.println(person2.getName() + "， " + person2.getEmail());
List<PhoneNumber> lstPhones = person2.getPhoneList();
for (PhoneNumber phoneNumber : lstPhones) {
System.out.println(phoneNumber.getNumber());
}
} catch (InvalidProtocolBufferException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
System.out.println(buf);
}
}
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　　生成java文件:PersonProbuf.java
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　　工程文件结构：