public void import12(){ List<Map<String, Object>> mapList=new ArrayList<Map<String, Object>>(); Map<String,Object> mapInfo=new HashMap<>(); ImgCaseFilter imgCaseFilter=new ImgCaseFilter(); List<ImgCase> imgCases=imgCaseService.selectAll(imgCaseFilter); for(ImgCase imgCase:imgCases){ ImgCenterFilter imgCenterFilter=new ImgCenterFilter(); imgCenterFilter.setEq_caseId(imgCase.getId()); JSONObject obj = new JSONObject(); String patientId = imgCase.getPatientId(); String name = imgCase.getName(); String age = imgCase.getAge(); String sex = imgCase.getSex(); obj.put("patientid", patientId); obj.put("name", name); obj.put("age", age); obj.put("sex", sex); obj.put("imgInfo", null); obj.put("imgInfo", null); List<ImgCenter> imgCenters=imgCenterService.selectAll(imgCenterFilter); List<String> urllist=new ArrayList<String>();//当前caseid下imgcenter里的图片url for(ImgCenter imgCenter:imgCenters){ String url=imgCenter.getImgUrl(); urllist.add(url); } mapInfo.put("imgCase", obj); mapInfo.put("imgCenter", urllist); mapList.add(mapInfo); } }