Combined query--Convert form object to JSON array

In Baseaction:

public void Write2jsonarray (list<?> List, string[] excludes) throws IOException {

Jsonconfig: Configuring unwanted properties in JSON data for transformations
Jsonconfig jsonconfig = new Jsonconfig ();

Jsonconfig.setexcludes (excludes);

will be converted to a JSON array
String json = jsonarray.fromobject (list, jsonconfig). toString ();
Servletactioncontext.getresponse (). setContentType ("Test/json;charset=utf-8");
Servletactioncontext.getresponse (). Getwriter (). print (JSON);

}

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In the action class:

list<area> list = Areaservice.findall ();

String[] excludes = {"Subareas"};

This.write2jsonarray (list, excludes);

Combined query--Convert form object to JSON array