版本：fastjson.jar 1.1.33
字段为非String 的Object时，若不是使用public修饰，则必须有对应的get、set方法，
字段类选为boolean时，必须使用public;
综合各种考虑，应当直接全部使用public修饰！
import java.util.ArrayList;
import java.util.List;
import com.alibaba.fastjson.JSON;
class User {
public Long id;
public String name;
int age;
public String adress;
List<String> teachers;
public void setTeachers(List<String> teachers) {
this.teachers = teachers;
}
public List<String> getTeachers(){
return this.teachers;
}
}
public class Test {
public static void main(String[] args) {
List<String> teachers = new ArrayList<>();
for (int i = 0; i < 5; i++) {
teachers.add(i+"");
}
User rootUser = new User();
rootUser.id = 3L;
rootUser.name = "root";
rootUser.teachers = teachers;
// rootUser.setTeachers(teachers);
String jsonString = JSON.toJSONString(rootUser);
System.out.println(jsonString);
User user = JSON.parseObject(jsonString, User.class);
System.out.println(user.id);
// System.out.println(user.getTeachers());
System.out.println(user.teachers);
}
}
