String generalUrl="https://api.weixin.qq.com/tcb/databaseadd?access_token="+tocken; try { URL url = new URL(generalUrl); conn = (HttpURLConnection) url.openConnection(); conn.setRequestMethod("POST"); conn.setDoOutput(true); conn.setDoInput(true); conn.setUseCaches(false); conn.setRequestProperty("Connection", "Keep-Alive"); conn.setRequestProperty("Charset", "UTF-8");  conn.setRequestProperty("Content-Type", "application/json"); conn.setRequestProperty("accept","application/json"); ccs="{\"env\": \"clound-zygj\",\"query\": \"db.collection(\"zg_gzb\").add({data: [{\"employeenumber\":\"Z01117\"}]})\"}"; System.out.println(ccs); byte[] writebytes = ccs.getBytes(); conn.setRequestProperty("Content-Length", String.valueOf(writebytes.length)); OutputStream outwritestream = conn.getOutputStream(); outwritestream.write(writebytes); outwritestream.flush(); outwritestream.close(); if (200 == conn.getResponseCode()){ is = conn.getInputStream(); br = new BufferedReader(new InputStreamReader(is, "UTF-8"));   String line;               while ((line = br.readLine()) != null){       result.append(line);   }   }else{       System.out.println("ResponseCode is an error code:" + conn.getResponseCode()); } }catch (MalformedURLException e){ e.printStackTrace(); }catch (IOException e){ e.printStackTrace(); }catch (Exception e){ e.printStackTrace(); }finally { try{   if(br != null){       br.close();   }   if(is != null){       is.close();   } }catch (IOException ioe){   ioe.printStackTrace(); } conn.disconnect(); } System.out.println(result.toString()); {"errcode":47001,"errmsg":"data format error hint: [5eLBH.wgE-hUGbXa]"},语句在开发控制平台测试没有问题。不知哪一步错误？

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