Gson convert date data to specific JSON data

When passing data through JSON, it is often necessary to pass the date, which in Java can be converted to JSON data in a specific format by Gson.

1. Normal Gson Conversion Date

    void Query (httpservletrequest request, httpservletresponse response, Registerservice Service)            throws Exception {         = Integer.parseint (Request.getparameter ("id"));         = Service.getregisterbyid (ID);         New Gson ();         = Gson.tojson (register);        SYSTEM.OUT.PRINTLN (JSON);        Response.getwriter (). write (JSON);    }

Date format after conversion:

Front Screen display:

2. If you need to convert the date format to data in a specific date format:

    //Enquiry     Public voidQuery (httpservletrequest request, httpservletresponse response, Registerservice service)throwsException {Integer ID= Integer.parseint (Request.getparameter ("id")); Register Register=Service.getregisterbyid (ID); //Convert the date format, or you can new Gsonbuilder (). Setdateformat ("Yyyy-mm-dd HH:mm:ss"). Create ();Gson Gson =NewGsonbuilder (). Setdateformat ("Yyyy-mm-dd"). Create (); String JSON=Gson.tojson (register);        SYSTEM.OUT.PRINTLN (JSON);    Response.getwriter (). write (JSON); }

Converted date JSON:

The format of the date displayed by the foreground interface:

Gson convert date data to specific JSON data