Google-Gson
Gson笔记
google / gson
https://github.com/google/gson
Gson将=
序列化为\u003d
Base64中会用 =
填充,如果使用默认 Gson 做序列化,=
会被转化化为 \u003d
解决方案:
disableHtmlEscaping
https://www.javadoc.io/static/com.google.code.gson/gson/2.8.6/com.google.gson/com/google/gson/GsonBuilder.html#disableHtmlEscaping()
Gson gson = new GsonBuilder().disableHtmlEscaping().create();
String s2 = gson.toJson(hm.toString());
GSON issue with String
https://stackoverflow.com/questions/16558709/gson-issue-with-string
实体转换为Json
import com.google.gson.Gson;
RetEntity re = new RetEntity();
... ...
Gson g = new Gson();
String json = g.toJson(re);
Json转换为实体
import com.google.gson.Gson;
import com.google.gson.JsonSyntaxException;
Gson g = new Gson();
try{
ReqEntity re = g.fromJson(json, ReqEntity.class);
}catch(JsonSyntaxException jse){
logger.error(jse.getMessage())
}
null值
gson默认是不序列化null值对应的key的,若是想序列化null值对应的key,需要使用com.google.gson.GsonBuilder类创建Gson对象:
Gson g = new GsonBuilder().serializeNulls().create();
参考:
Json转换神器之Google Gson的使用
http://my.oschina.net/itblog/blog/204120
5分钟 玩转google Gson
http://jiuyuehe.iteye.com/blog/1882800
介绍4款json的java类库 及 其性能测试
http://www.cnblogs.com/windlaughing/p/3241776.html
FastJson、Jackson、Gson进行Java对象转换Json的细节处理
http://blog.csdn.net/moneyshi/article/details/51830329
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