1、Java对象–>JSON对象: (jsONObject)JSONObject.toJSON(Java对象实例) public class JSON2JavaTest{ public static
(jsONObject)JSONObject.toJSON(Java对象实例)
public class JSON2JavaTest{ public static void main(String[] args) { Student stu = new Student("公众号", "m", 2); //Java对象转化为JSON对象 JSONObject jsonObject = (JSONObject) JSONObject.toJSON(stu); System.out.println("Java对象转化为JSON对象\n" + jsonObject);//{"name":"编程","age":2,"sex":"m"} }}
JSONObject.toJSONString(Java对象实例)
public class JSON2JavaTest{ public static void main(String[] args) { Student stu = new Student("公众y", "m", 2); //Java对象转换成JSON字符串 String stuString = JSONObject.toJSONString(stu); System.out.println("Java对象转换成JSON字符串\n" + stuString);//{"age":2,"name":"大道","sex":"m"} }}
JSONObject.toJSONString();
public class JSON2JavaTest{ public static void main(String[] args) { Student stu = new Student("公众oy", "m", 2); //先转成JSON对象 JSONObject jsonObject = (JSONObject) JSONObject.toJSON(stu); //JSON对象转换为JSON字符串 String jsonString = jsonObject.toJSONString(); System.out.println("JSON对象转换为JSON字符串\n" + jsonString);//{"name":"公大道","age":2,"sex":"m" }}
JSONObject.toJavaObject(JSON对象实例, Java对象.class);
public class JSON2JavaTest{ public static void main(String[] args) { Student stu = new Student("公erBoy", "m", 2); //先转成JSON对象 JSONObject jsonObject = (JSONObject) JSONObject.toJSON(stu); //JSON对象转换成Java对象 Student student = JSONObject.toJavaObject(jsonObject, Student.class); System.out.println("JSON对象转换成Java对象\n" + student);//Student{name='公众道', sex='m', age=2} }}
JSONObject.parseObject(JSON字符串)
public class JSON2JavaTest{ public static void main(String[] args) { String stuString = "{\"age\":2,\"name\":\"公众 Big\",\"sex\":\"m\"}"; //JSON字符串转换成JSON对象 JSONObject jsonObject1 = JSONObject.parseObject(stuString); System.out.println("JSON字符串转换成JSON对象\n" + jsonObject1);//{"sex":"m","name":"公众道","age": }}
JSONObject.parseObject(JSON字符串, Java对象.class);
public class JSON2JavaTest{ public static void main(String[] args) { String stuString = "{\"age\":2,\"name\":\"公号 By\",\"sex\":\"m\"}"; //JSON字符串转换成Java对象 Student student1 = JSONObject.parseObject(stuString, Student.class); System.out.println("JSON字符串转换成Java对象\n" + student1);//Student{name='公程大道', sex='m', age=2 }}
List parseArray(JSON字符串, Java对象.class)
public class JSON2JavaTest{ public static void main(String[] args) { String stuString = "[{\"age\":2,\"name\":\"公号\",\"sex\":\"m\"},{\"age\":18,\"name\":\"BirBoy\",\"sex\":\"m\"}]"; //JSON字符串转换成Java对象 List<Student> studentList = JSONObject.parseArray(stuString, Student.class); System.out.println("JSON字符串转换成Java对象list\n" +studentList ); } }
来源地址:https://blog.csdn.net/u013111855/article/details/129839327
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本文标题: fastjson--对象与JSON之间的转换方法
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