Gson json,list,model互转

public class Person {

	private String name;
	private String age;

	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public String getAge() {
		return age;
	}
	public void setAge(String age) {
		this.age = age;
	}
	@Override
	public String toString() {
		return name + ":" + age;
	}
}

 

import java.util.ArrayList;
import java.util.List;

import com.google.gson.Gson;
import com.google.gson.reflect.TypeToken;

public class TestMain {
	
	private static String listToJson(){
		Gson gson = new Gson();
		List<Person> persons = new ArrayList<Person>();
		for (int i = 0; i < 10; i++) {
			Person p = new Person();
			p.setName("name" + i);
			p.setAge("intvalue");
			persons.add(p);
		}
		String str = gson.toJson(persons);
		return str;
	}
	
	private static Person jsonToModelisDeit(){
		String json = "{\"name\":\"name0\",\"age\":\"0\"}";
		Gson gson = new Gson();
		Person person = gson.fromJson(json, Person.class);
		return person;
	}
	
	private static List<Person> jsonToList(){
		Gson gson = new Gson();
		String json = "[{\"name\":\"name1\",\"age\":\"intvalue\"},{\"name\":\"name2\",\"age\":\"intvalue\"},{\"name\":\"name3\",\"age\":\"intvalue\"}]";
		List<Person> ps = gson.fromJson(json, new TypeToken<List<Person>>(){}.getType());
		for(int i = 0; i < ps.size() ; i++)
		{
		     Person p = ps.get(i);
		     System.out.println(p.toString());
		}
		return ps;
		
	}

	public static void main(String[] args) {
//		String json = TestMain.listToJson();
//		System.out.println(json);
//		
//		Person model = TestMain.jsonToModelisDeit();
//		System.out.println(model.getName());
//		System.out.println(model.getAge());
		
		List<Person> plist = TestMain.jsonToList();

	}

}

 

<!-- google Gson -->
<dependency>
        <groupId>com.google.code.gson</groupId>
	<artifactId>gson</artifactId>
	<version>2.6.2</version>
</dependency>