Gson與Fastjson效能比較
阿新 • • 發佈:2019-01-11
/** * 測試比較Gson與Fastjson效能,發現數據量少的情況下fastjson比Gson稍慢, * 資料量大的情況下fastjson比Gson稍快,可以修改2個迴圈的引數進行測試。: * * */ public class TestJson { public static void main(String[] args) { compareJson(); } private static void compareJson() { Gson gson = new Gson(); int count = 0; List<Member> members = new ArrayList<Member >(); for (int i=0; i<5000 ; i++) { Member member = new Member(); member.setEmail("test"+i+"@qq.com"); member.setIdCardNo("idcard"+i); member.setUsername("zhangsan"+i); member.setOrgid(i+""); member.setRealName("張三"+i); member.setPassword("123456"); member.setOrgName("tianwen"+i); members.add(member); } for (int j=0; j<2000 ; j++) { long start = System.currentTimeMillis(); String jsonString = JSON.toJSONString(members); List<Member> memberList = JSON.parseObject(jsonString, List.class); long end = System.currentTimeMillis()- start; long start2 = System.currentTimeMillis(); String gsonString = gson.toJson(members); List<Member> member2List = gson.fromJson(gsonString, List.class); long end2 = System.currentTimeMillis()- start2; if ((end -end2) < 0) { count ++ ; System.out.println("fastjson: " + end + "\r\ngsonjson: " + end2 + "\r\nfastjson-gsonjson: " + (end -end2) ); } } System.out.println(count); } }