一、环境依赖:
<dependency>
<groupId>com.google.code.gson</groupId>
<artifactId>gson</artifactId>
<version>2.8.6</version>
</dependency>
二、序列化&反序列化:
public class GsonSerializer implements IGsonSerializer {
@Override
public <T> byte[] serialize(T obj) {
GsonBuilder gsonBuilder = new GsonBuilder();
gsonBuilder.setPrettyPrinting();
Gson gson = gsonBuilder.create();
return gson.toJson(obj).getBytes();
}
@Override
public <T> T deserialize(byte[] data, Class<T> clazz) {
Gson gson = new Gson();
return (T)gson.fromJson(new String(data), clazz);
}
}
public class TestMain {
public static void main(String[] args) {
Student stu=new Student();
stu.setName("jason");
stu.setAge(18);
IGsonSerializer serializer=new GsonSerializer();
long t1 = System.nanoTime();
byte[] serialize = serializer.serialize(stu);
System.out.println("序列化耗时="+(System.nanoTime()-t1));
System.out.println("Gson 序列化长度 result="+serialize.length);
System.out.println(""+new String(serialize));
long t3 = System.nanoTime();
Student stu2=(Student)(Student)serializer.deserialize(serialize,stu.getClass());
System.out.println("反序列化耗时="+(System.nanoTime()-t3));
}
}
public interface IGsonSerializer {
<T> byte[] serialize(T obj);
<T> T deserialize(byte[] data,Class<T> clazz);
}