JSON Ajax异步请求实现select联动

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public void findProdNameByDivision()throws Exception{prodList = sysConfigureService.findProdNameByDivision(buCode);JSONArray jsonList = JSONArray.fromObject(prodList); PrintWriter out = null;        HttpServletResponse response = getResponse();        response.setContentType("text/plain");           response.setCharacterEncoding("utf-8");           out = response.getWriter();        out.print(jsonList);}

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