fromJson()的语法
public <T> fromJson(java.lang.String json, java.lang.Class<T> classOfT) throws JsonSyntaxException
import com.google.gson.*; public class FromJsonMethodTest { public static void main(String[] args) { String jsonString = "{'id':101, 'firstName':'Jai','lastName':'Adithya'}"; Gson gson = new Gson(); Employee emp = gson.fromJson(jsonString, Employee.class); System.out.println(emp); } } // Employee class class Employee { private int id; private String firstName; private String lastName; public Employee() {} public int getId() { return id; } public void setId(int id) { this.id = id; } public String getFirstName() { return firstName; } public void setFirstName(String firstName) { this.firstName = firstName; } public String getLastName() { return lastName; } public void setLastName(String lastName) { this.lastName = lastName; } @Override public String toString() { StringBuilder sb = new StringBuilder(); sb.append("Id : " + id); sb.append(", FirstName : " + firstName); sb.append(", Last Name : " + lastName); return sb.toString(); } }
Id : 101, FirstName : Jai, Last Name : Adithya
public java.lang.String toJson(java.lang.Object src)
import com.google.gson.*; public class ToJsonMethodTest { public static void main(String[] args) { Employee emp = new Employee(); emp.setId(110); emp.setFirstName("Raja"); emp.setLastName("Ramesh"); Gson gson = new Gson(); String jsonString = gson.toJson(emp); System.out.println(jsonString); } } // Employee class class Employee { private int id; private String firstName; private String lastName; public Employee() {} public int getId() { return id; } public void setId(int id) { this.id = id; } public String getFirstName() { return firstName; } public void setFirstName(String firstName) { this.firstName = firstName; } public String getLastName() { return lastName; } public void setLastName(String lastName) { this.lastName = lastName; } }
{"id":110,"firstName":"Raja","lastName":"Ramesh"}
以上就是Gson在Java中的fromJson()和toJson()方法之间的区别是什么?的详细内容,更多请关注php中文网其它相关文章!
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