// 实体类Group定义
public class Group {
private int id;
private List<Student> array;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public List<Student> getArray() {
return array;
}
public void setArray(List<Student> array) {
this.array = array;
}
}
?
// 实体类Student定义
public class Student {
private String name;
private int age;
private String address;
private String email;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
public String getAddress() {
return address;
}
public void setAddress(String address) {
this.address = address;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
@Override
public String toString(){
StringBuffer buffer = new StringBuffer();
buffer.append("name:").append(name).append(",\t");
buffer.append("age:").append(age).append(",\t");
buffer.append("address:").append(address).append(",\t");
buffer.append("email:").append(email);
return buffer.toString();
}
}
?// 测试类
public class Test {
/*
public static void main(String[] args) throws Exception{
Student student = new Student();
student.setName("hejinyun");
student.setAge(27);
student.setAddress("beijing");
student.setEmail("hejinyun@gmail.com");
String jsonString = JSON.toJSONString(student);
System.out.println("student->"+student);
System.out.println("jsonString->"+jsonString);
Student jsonStudent = JSON.parseObject(jsonString, Student.class);
System.out.println("jsonStudent->"+jsonStudent);
}
*/
public static void main(String[] args) throws Exception{
Group group = new Group();
Student stud1 = new Student();
stud1.setName("Jack");
stud1.setAge(18);
stud1.setAddress("beijing");
stud1.setEmail("jack@163.com");
Student stud2 = new Student();
stud2.setName("Lily");
stud2.setAge(19);
stud2.setAddress("shanghai");
stud2.setEmail("lily@sina.com");
List<Student> array = new ArrayList<Student>();
array.add(stud1);
array.add(stud2);
group.setId(1);
group.setArray(array);
String jsonString = JSON.toJSONString(group);
System.out.println("jsonGroup->"+jsonString);
Group jsonGroup = JSON.parseObject(jsonString, Group.class);
System.out.println("jsonGroup->"+jsonGroup);
}
}
?
//? 测试结果
{
"array": [
{
"address": "beijing",
"age": 18,
"email": "jack@163.com",
"name": "Jack"
},
{
"address": "shanghai",
"age": 19,
"email": "lily@sina.com",
"name": "Lily"
}
],
"id": 1
}
?