FastJson與Gson小測試

時間 2019-12-05

標籤 fastjson gson 測試欄目 JSON 简体版

原文原文鏈接



最近用到Json來傳輸數據，找到兩個比較簡單的工具 Gson 和 FastJson
隨便測試一下兩個工具的效率~


 1 package com.json.fast;
 2 
 3 import java.util.ArrayList;
 4 import java.util.List;
 5 
 6 import com.alibaba.fastjson.JSON;
 7 import com.demo.module.Student;
 8 import com.google.gson.Gson;
 9 import com.google.gson.reflect.TypeToken;
10 
11 
12 public class FastJson {
13     public static void main(String[] args) {
14         
15         
16         List<Student> list=new ArrayList<Student>();
17         
18         for (int i = 0; i < 500000; i++) {
19             Student student=new Student();
20             student.setId(i);
21             student.setName("Name"+i);
22             student.setAge(i);
23             student.setSex("boy");
24             
25             list.add(student);
26         }
27         
28         String json=JSON.toJSONString(list);
29         for (int i = 0; i < 10; i++) {        
30             long time_start = System.currentTimeMillis();
31             JSON.toJSONString(list);    
32             long time_end = System.currentTimeMillis();
33             System.out.println("FastJson to JSON 用時："+(time_end-time_start));
34         }
35         System.out.println();
36         for (int i = 0; i < 10; i++) {        
37             long time_start = System.currentTimeMillis();
38             JSON.parseArray(json, Student.class);        
39             long time_end = System.currentTimeMillis();
40             System.out.println("FastJson to List 用時："+(time_end-time_start));
41         }
42         System.out.println();
43         
44         Gson gson=new Gson();        
45         for (int i = 0; i < 10; i++) {    
46             long time_startg = System.currentTimeMillis();
47             gson.toJson(list);
48             long time_endg = System.currentTimeMillis();
49             System.out.println("Gson to JSON 用時："+(time_endg-time_startg));
50         }
51         System.out.println();
52         for (int i = 0; i < 10; i++) {    
53             long time_startg = System.currentTimeMillis();
54             gson.fromJson(json,new TypeToken<List<Student>>(){}.getType());
55             long time_endg = System.currentTimeMillis();
56             System.out.println("Gson to List 用時："+(time_endg-time_startg));
57         }
58     }
59 }

LIST to JSON 用時比較 
FastJson to JSON 用時：1188
FastJson to JSON 用時：1034
FastJson to JSON 用時：1201
FastJson to JSON 用時：1450
FastJson to JSON 用時：712
FastJson to JSON 用時：1156
FastJson to JSON 用時：695
FastJson to JSON 用時：1142
FastJson to JSON 用時：680
FastJson to JSON 用時：1206

Gson   to   JSON 用時：1079
Gson   to   JSON 用時：1108
Gson   to   JSON 用時：905
Gson   to   JSON 用時：1097
Gson   to   JSON 用時：903
Gson   to   JSON 用時：1056
Gson   to   JSON 用時：905
Gson   to   JSON 用時：903
Gson   to   JSON 用時：1113
Gson   to   JSON 用時：897

JSON to LIST 用時比較 
 
FastJson to List 用時：351
FastJson to List 用時：222
FastJson to List 用時：189
FastJson to List 用時：177
FastJson to List 用時：281
FastJson to List 用時：349
FastJson to List 用時：258
FastJson to List 用時：226
FastJson to List 用時：213
FastJson to List 用時：201

Gson   to   List 用時：1305
Gson   to   List 用時：745
Gson   to   List 用時：790
Gson   to   List 用時：864
Gson   to   List 用時：886
Gson   to   List 用時：1168
Gson   to   List 用時：907
Gson   to   List 用時：796
Gson   to   List 用時：914
Gson   to   List 用時：1206

 1 package com.demo.module;
 2 
 3 public class Student {
 4     private int id;
 5     private String name;
 6     private int age;
 7     private String sex;
 8     
 9     public int getId() {
10         return id;
11     }
12     public void setId(int id) {
13         this.id = id;
14     }
15     public String getName() {
16         return name;
17     }
18     public void setName(String name) {
19         this.name = name;
20     }
21     public int getAge() {
22         return age;
23     }
24     public void setAge(int age) {
25         this.age = age;
26     }
27     public String getSex() {
28         return sex;
29     }
30     public void setSex(String sex) {
31         this.sex = sex;
32     }
33     
34 }