从几个角度比较三种软件
1. json操作
2 反解
3 性能
易用性还没有列出。
可以根据个人喜好进行取舍。
package json; import com.alibaba.fastjson.JSON;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.google.gson.Gson;
import lombok.Data; public class JsonTest {
public static void main(String[] args) throws Exception{
testFastjson();
testJackson();
testGson();
} public static Person getPerson(String name, int age){
Person person = new Person();
person.setAge(age);
person.setName(name);
return person;
}
public static void testFastjson(){
long startTime = System.currentTimeMillis();
String jsonstr = "";
Person person1 = getPerson("a",1);
for (int i =0;i < 100000;i++){
jsonstr = JSON.toJSONString(person1);
Person person = JSON.parseObject(jsonstr, Person.class);
}
System.out.println("fastjson cost:"+(System.currentTimeMillis()-startTime));
System.out.println(jsonstr);
} public static void testJackson() throws Exception{ long startTime = System.currentTimeMillis(); String jsonstr = "";
Person person1 = getPerson("a",1); ObjectMapper mapper = new ObjectMapper(); for (int i =0;i < 100000;i++){
jsonstr = mapper.writeValueAsString(person1);
Person person = mapper.readValue(jsonstr, Person.class);
}
System.out.println("jackson cost:"+(System.currentTimeMillis()-startTime));
System.out.println(jsonstr);
} public static void testGson(){
long startTime = System.currentTimeMillis(); String jsonstr = "";
Person person1 = getPerson("a",1); Gson gson = new Gson(); for (int i =0;i < 100000;i++){
jsonstr = gson.toJson(person1);
Person person = gson.fromJson(jsonstr, Person.class);
}
System.out.println("gson cost:"+(System.currentTimeMillis()-startTime));
System.out.println(jsonstr);
}
} @Data
class Person{
private String name;
private int age;
}