【前台数据格式】：

【后台代码】：

    @RequestMapping(value = "/nullExcelExport", method = RequestMethod.POST)
    public void nullExcelExport(@RequestBody JSONObject data, HttpServletResponse response) throws IOException, BusinessException {
        JSONObject jsonObject = data.getJSONObject("threeDto");
        String ooCode = jsonObject.getString("ooCode");
        JSONArray jsonArray  = jsonObject.getJSONArray("execlMoldMcodeArr");
        for (int i = 0 ; i < jsonArray.size() ; i++) {
            System.out.println("##############################################################");
            JSONObject object = jsonArray.getJSONObject(i);
            String moldString = object.getString("execlMoldMcode");
            System.out.println( moldString );
            JSONArray jsonArrayOne = object.getJSONArray("execlPartMcodeArr");
            if (jsonArrayOne.size()>0){
                for (int j = 0; j < jsonArrayOne.size(); j++) {
                    String s=jsonArrayOne.getString(i);
                    System.out.print(s+"  ");
                }
                System.out.println();
            }
        }
        exportBomService.excelExport(ooCode, response);  //调用Excel导出方法；
    }
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【效果截图】：