java服务端

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 //服务端入口      protected  void  doPost(HttpServletRequest request, HttpServletResponse response)  throws  ServletException, IOException {          System.out.println( "DataAccessInterface!" );                    JSONObject responseObject =  new  JSONObject();          JSONObject requestPara =  null ;                    responseObject.put(FinalValue.TAG_EXCEPTION,  "no error!" );                    BufferedReader reader =  new  BufferedReader(                  new  InputStreamReader(request.getInputStream(), Charset.forName( "utf-8" )));                    BufferedWriter writer =  new  BufferedWriter( new  OutputStreamWriter(response.getOutputStream()));                              try {              requestPara =  new  JSONObject(reader.readLine().trim());                            System.out.println(requestPara.toString());                                          if (requestPara.getString(TAG_TARGET).equals(TAG_SAVE)){                  int  objectId = SQLHelper.saveObject(requestPara);                  responseObject.put(FinalValue.TAG_OBJECT_ID, objectId);              } else  if (requestPara.getString(TAG_TARGET).equals(TAG_UPDATE)){                  SQLHelper.updateObject(requestPara);                                } else  if (requestPara.getString(TAG_TARGET).equals(TAG_DELETE)){                  SQLHelper.deleteObject(requestPara);                                } else  if (requestPara.getString(TAG_TARGET).equals(TAG_CREATE)){                  SQLHelper.createTable(requestPara);                                } else  if (requestPara.getString(TAG_TARGET).equals(TAG_ALTER)){                  SQLHelper.alterTable(requestPara);                                } else  if (requestPara.getString(TAG_TARGET).equals(TAG_SAVE)){                  int  objectId = SQLHelper.saveObject(requestPara);                  responseObject.put(FinalValue.TAG_OBJECT_ID, objectId);                                } else {                  System.out.println(requestPara.toString());                  responseObject = SQLHelper.query(requestPara);              }              System.out.println(requestPara.toString());          } catch  (Exception e) {              responseObject.put(FinalValue.TAG_EXCEPTION, e.getMessage());              e.printStackTrace();          } finally  {              writer.write(responseObject.toString());              writer.flush();          }      } 更多0 分享到：