在Java中，我们如何使用flexjson序列化对象列表？-java教程-PHP中文网

在Java中，我们如何使用flexjson序列化对象列表？

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发布： 2023-09-05 23:09:06

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在java中，我们如何使用flexjson序列化对象列表？

Flexjson是一个轻量级库，用于序列化和反序列化Java对象 > 和来自JSON格式。我们可以使用 JSONSerializer 类的 serialize() 方法序列化对象列表。此方法可以对目标实例执行浅层序列化。我们需要将列表类型的对象列表作为参数传递给serialize()方法。

语法

public String serialize(Object target)

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示例

import flexjson.JSONSerializer;
import java.util.*;
public class JsonSerializeListTest {
   public static void main(String[] args) {
      JSONSerializer serializer = new JSONSerializer().prettyPrint(true); // pretty print JSON
      Student s1 = new Student("Raja", "Ramesh", 28, "Hyderabad");
      Student s2 = new Student("Suresh", "Kumar", 30, "Chennai");
      Student s3 = new Student("Surya", "Krishna", 35, "Pune");
      List<Student> students = Arrays.asList(s1, s2, s3);
      String jsonStr = serializer.serialize(students);
      System.out.println(jsonStr);
   }
}
// Student class<strong>
</strong>class Student {
   private String firstName;
   private String lastName;
   private int age;
   private String address;
   public Student() {}
   public Student(String firstName, String lastName, int age, String address) {
      super();
      this.firstName = firstName;
      this.lastName = lastName;
      this.age = age;
      this.address = address;
   }
   public String getFirstName() {
      return firstName;
   }
   public String getLastName() {
      return lastName;
   }
   public int getAge() {
      return age;
   }
   public String getAddress() {
     return address;
   }
   public String toString() {
      return "Student[ " +
      "firstName = " + firstName +
      ", lastName = " + lastName +
      ", age = " + age +
      ", address = " + address +
      " ]";
   }
}

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输出

[
 {
    "address": "Hyderabad",
    "age": 28,
    "class": "Student",
    "firstName": "Raja",
    "lastName": "Ramesh"
 },
 {
    "address": "Chennai",
    "age": 30,
    "class": "Student",
    "firstName": "Suresh",
    "lastName": "Kumar"
 },
 {
    "address": "Pune",
    "age": 35,
    "class": "Student",
    "firstName": "Surya",
    "lastName": "Krishna"
 }
]

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