Question

struts2 json plugin includeProperties怎么过滤Set集合

Answer 1

HttpServletResponse response = this.getResponse();
response.setContentType("application/json;charset=utf-8");
response.setCharacterEncoding("utf-8");
PrintWriter pw = response.getWriter();
String str = JSONArray.fromObject(list).toString();
pw.write(str);
pw.flush();
pw.close();