对象转jsonobject，java

以下是Java中对象转JSONObject的示例代码：

// 导入相关包
import com.alibaba.fastjson.JSONObject;

// 定义一个Java对象
public class Student {
    private int id;
    private String username;
    private String studentNo;

    // 构造函数
    public Student(int id, String username, String studentNo) {
        this.id = id;
        this.username = username;
        this.studentNo = studentNo;
    }

    // getter和setter方法
    public int getId() {
        return id;
    }

    public void setId(int id) {
        this.id = id;
    }

    public String getUsername() {
        return username;
    }

    public void setUsername(String username) {
        this.username = username;
    }

    public String getStudentNo() {
        return studentNo;
    }

    public void setStudentNo(String studentNo) {
        this.studentNo = studentNo;
    }
}

// 将Java对象转为JSONObject
Student student = new Student(12, "super先生", "20231232520");
JSONObject jsonObject = (JSONObject) JSONObject.toJSON(student);
System.out.println(jsonObject);

输出结果为：

{"id":12,"studentNo":"20231232520","username":"super先生"}

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