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注意要看重点代码,我已经标注 int i=0; for(Map<String,Object> tid:lists){ Integer tableid = (Integer) tid.get("tableid"); AttributeInfo attributeInfo = layoutService.queryTableInfoByTid(tableid); Integer outType = attributeInfo.getOut_type(); //类别:tid if(i%2==0){ leftObject += "{\"id\":"+tableid+",\"outtype\":"+outType+"}"; }else{ rightObject += "{\"id\":"+tableid+",\"outtype\":"+outType+"}"; } i++; object = "{\"object\":["+leftObject+","+rightObject+"]}"; model.addAttribute("object",object); }