CN107784097A - A kind of database table data transmission method, system and client, service end - Google Patents
A kind of database table data transmission method, system and client, service end Download PDFInfo
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- CN107784097A CN107784097A CN201710993305.0A CN201710993305A CN107784097A CN 107784097 A CN107784097 A CN 107784097A CN 201710993305 A CN201710993305 A CN 201710993305A CN 107784097 A CN107784097 A CN 107784097A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/28—Databases characterised by their database models, e.g. relational or object models
- G06F16/284—Relational databases
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/21—Design, administration or maintenance of databases
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/22—Indexing; Data structures therefor; Storage structures
- G06F16/2282—Tablespace storage structures; Management thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
- H04L63/0209—Architectural arrangements, e.g. perimeter networks or demilitarized zones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/06—Notations for structuring of protocol data, e.g. abstract syntax notation one [ASN.1]
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Abstract
The invention provides a kind of database table data transmission method, system and client, service end, wherein, this method includes：Obtain target matrix image parameter；According to the target matrix image parameter, object table data are obtained from the raw data base of intranet data storehouse server；Using the message format pre-set by the object table data assembling into object message；The object message is sent to client.Scheme provided by the invention can reduce the cost for safeguarding data safety.
Description
Technical field
The present invention relates to field of computer technology, more particularly to a kind of database table data transmission method, system and client
End, service end.
Background technology
With the development of Internet technology, the database table data transmission between internal, external network database server is further frequent,
How to prevent disabled user from, by outer grid database server access intranet data storehouse server, ensureing intranet data storehouse server
The security of middle database table data is the problem of technical staff pays close attention to always.
In the prior art, including general, security isolation modular converter, intranet data storehouse are set between outer grid database server
Data in server are transferred in outer grid database server by security isolation modular converter.
But the cost of this method is higher.
The content of the invention
The embodiments of the invention provide a kind of database table data transmission method, system and client, service end, can drop
The cost of low-maintenance data safety.
In a first aspect, the embodiments of the invention provide a kind of database table data transmission method, applied to service end, bag
Include：
Obtain target matrix image parameter；
According to the target matrix image parameter, object table is obtained from the raw data base of intranet data storehouse server
Data；
Using the message format pre-set by the object table data assembling into object message；
The object message is sent to client.
Preferably,
The target matrix image parameter, including：Target database type, target database table mark and aiming field
Mark；
It is described according to the target matrix image parameter, obtain mesh from the raw data base of intranet data storehouse server
Table data are marked, including：
According to the type of database pre-set, (Structured Query Language, structuring are looked into reading SQL
Ask language) corresponding relation of sentence, determine corresponding to the target database type that target reads SQL statement；
According to target database table mark and aiming field mark, in the original number of intranet data storehouse server
According to determination object table data in storehouse；
SQL statement, which is read, using the target obtains the object table data.
Second aspect, the embodiments of the invention provide a kind of service end, including：
Acquiring unit, for obtaining target matrix image parameter；According to the target matrix image parameter, from Intranet
Object table data are obtained in the raw data base of database server；
Communication unit, the object table data assembling for obtaining the acquiring unit for the message format using setting
Into object message；The object message is sent to client.
Preferably,
The target matrix image parameter, including：Target database type, target database table mark and aiming field
Mark；
The acquiring unit, for the type of database according to setting and the corresponding relation for reading SQL statement, it is determined that described
Target corresponding to target database type reads SQL statement；According to target database table mark and the target word segment mark
Know, object table data are determined in the raw data base of intranet data storehouse server；SQL statement is read using the target to obtain
The object table data.
The third aspect, the embodiments of the invention provide a kind of database table data transmission method, applied to client, bag
Include：
Receive the object message that service end is sent；
The object message is parsed according to the message format pre-set, determines object table data；
Obtain current data table image parameter；
According to the current data table image parameter, current table is determined in the mirror database of mirror database server
Data；
According to the object table data and the current data table image parameter, the current table data are updated.
Preferably,
The current data table image parameter, including：Current database type, current database table mark and present field
Mark；
It is described according to the current data table image parameter, determine to work as in the mirror database of mirror database server
Preceding table data, including：
According to current database table mark and present field mark, in the mirror image number of mirror database server
According to determining current table data in storehouse；
It is described according to the object table data and the current data table image parameter, the current table data are carried out more
Newly, including：
According to the corresponding relation of the type of database pre-set and renewal SQL statement, the current database class is determined
SQL statement is currently updated corresponding to type；
Using the current renewal SQL statement and the object table data, the current table data are updated.
Fourth aspect, the embodiments of the invention provide a kind of client, including：
Resolution unit, for receiving the object message of service end transmission；According to the message format pre-set to the mesh
Mark message is parsed, and determines object table data；
Processing unit, for obtaining current data table image parameter, according to the current data table image parameter, in mirror image
Current table data are determined in the mirror database of database server；
Updating block, determined for the object table data determined according to the resolution unit and the processing unit
The current data table image parameter, the current table data are updated.
Preferably,
The current data table image parameter, including：Current database type, current database table mark and present field
Mark；
The processing unit, for being identified according to current database table mark and the present field, in mirror image number
Current table data are determined in mirror database according to storehouse server；
The updating block, for the corresponding relation of the type of database according to setting and renewal SQL statement, it is determined that described
SQL statement is currently updated corresponding to current database type；SQL statement and the object table data are currently updated using described,
The current table data are updated.
5th aspect, the embodiments of the invention provide a kind of database table data Transmission system, including：Any of the above-described implementation
Service end, the client described in any of the above-described embodiment, intranet data storehouse server and mirror database server described in example；
The service end is deployed on the intranet data storehouse server, and the client deployment is in the mirror database
On server, the mirror database server is connected with outer grid database server.
Preferably,
The client is communicated with the service end by unidirectional serial ports.
The embodiments of the invention provide a kind of database table data transmission method, system and client, service end, in data
In the table data transmission procedure of storehouse, service end passes through table data by from the intranet data storehouse collection of server table data at place
Unidirectional Serial Port Transmission can be obtained to the client disposed in mirror database server, user by outer grid database server
Table data in mirror database server.This method is taken without setting security isolation modular converter in addition by mirror database
Business device replaces intranet data storehouse server to undertake the potential risk of outside, can reduce the cost for safeguarding data safety, simultaneously
Real physical isolation is realized, reaches the target that data safety interacts between public network and private network.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is a kind of stream for database table data transmission method applied to service end that one embodiment of the invention provides
Cheng Tu；
Fig. 2 is a kind of structural representation for service end that one embodiment of the invention provides；
Fig. 3 is a kind of stream for database table data transmission method applied to client that one embodiment of the invention provides
Cheng Tu；
Fig. 4 is a kind of structural representation for client that one embodiment of the invention provides；
Fig. 5 is a kind of structural representation for database table data Transmission system that one embodiment of the invention provides.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments, based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained on the premise of creative work is not made, belongs to the scope of protection of the invention.
As shown in figure 1, the embodiments of the invention provide a kind of database table data transmission method, should applied to service end
Method may comprise steps of：
Step 101：Obtain target matrix image parameter；
Step 102：According to target matrix image parameter, mesh is obtained from the raw data base of intranet data storehouse server
Mark table data；
Step 103：Using the message format pre-set by object table data assembling into object message；
Step 104：Object message is sent to client.
In the embodiment of the present invention shown in Fig. 1, this method will obtain from the raw data base of intranet data storehouse server
The object table data taken are sent to client, and the client is arranged in mirror database server, so that user can pass through
Outer grid database server obtains the table data in mirror database server.This method without setting security isolation to change in addition
Module, intranet data storehouse server is replaced to undertake the potential risk of outside by mirror database server, maintenance can be reduced
The cost of data safety, while real physical isolation is realized, reach data safety between public network and private network and interact
Target.
The object message of generation includes CRC check code, and the integrality to the object table data to transmission verifies.
For example, message format：Data bit 8,1 start bit, 1 stop position, no parity.
In order to capture object table data, in one embodiment of the invention, target data watch mirror from raw data base
As parameter, including：Target database type, target database table mark and aiming field mark；
According to target matrix image parameter, object table number is obtained from the raw data base of intranet data storehouse server
According to, including：
According to the type of database pre-set and the corresponding relation for reading SQL statement, target database type pair is determined
The target answered reads SQL statement；
It is true in the raw data base of intranet data storehouse server according to target database table mark and aiming field mark
Set the goal table data；
SQL statement, which is read, using target obtains object table data.
According to target database table mark and aiming field mark, it may be determined that the scope of the table data of crawl, and number
The SQL statement used according to storehouse type difference is different.
As shown in Fig. 2 the embodiments of the invention provide a kind of service end, including：
Acquiring unit 201, for obtaining target matrix image parameter；According to target matrix image parameter, from Intranet
Object table data are obtained in the raw data base of database server；
Communication unit 202, for the message format using setting by the object table data assembling that acquiring unit 201 obtains into
Object message；Object message is sent to client.
In one embodiment of the invention, target matrix image parameter, including：Target database type, number of targets
According to storehouse table mark and aiming field mark；
Acquiring unit 201, for the type of database according to setting and the corresponding relation for reading SQL statement, determine target
Target corresponding to type of database reads SQL statement；According to target database table mark and aiming field mark, in intranet data
Object table data are determined in the raw data base of storehouse server；SQL statement, which is read, using target obtains object table data.
As shown in figure 3, the embodiments of the invention provide a kind of database table data transmission method, applied to client, bag
Include following steps：
Step 301：Receive the object message that service end is sent；
Step 302：Message format according to pre-setting parses to object message, determines object table data；
Step 303：Obtain current data table image parameter；
Step 304：According to current data table image parameter, determine to work as in the mirror database of mirror database server
Preceding table data；
Step 305：According to object table data and current data table image parameter, current table data are updated.
In the embodiment of the present invention shown in Fig. 3, the object table data obtained using parsing are to mirror database server
Mirror database in current table data be updated so that user pass through outer grid database server obtain mirror database
Table data after renewal in server.This method without setting security isolation modular converter in addition, by mirror database service
Device replace intranet data storehouse server come undertake outside potential risk, realize real physical isolation, reach public network and
The target that data safety interacts between private network.
In one embodiment of the invention, current data table image parameter, including：Current database type, current number
According to storehouse table mark and present field mark；
According to current data table image parameter, current table number is determined in the mirror database of mirror database server
According to, including：
It is true in the mirror database of mirror database server according to current database table mark and present field mark
Settled preceding table data；
According to object table data and current data table image parameter, current table data are updated, including：
According to the corresponding relation of the type of database pre-set and renewal SQL statement, current database type pair is determined
The current renewal SQL statement answered；
Using current renewal SQL statement and object table data, current table data are updated.
The object message that client receives, partial code are as follows：
SetCommState(h_com,&dcb)；
PurgeComm(h_com,PURGE_TXABORT|PURGE_RXABORT|PURGE_TXCLEAR|PURGE_
RXCLEAR)；
ClearCommError(h_com,&dwErrorFlags,&ComStat)；
ReadFile(h_com,ReceiveDataBuf,length_r,&LR,&m_osRead)；
Meanwhile CRC check is carried out to the message of reception, to ensure the validity of object message and integrality.Partial code
It is as follows：
Finally, SQL statement reality is performed by ODBC (Open Database Connectivity, open CNC)
Now to the renewal of database table data.
As shown in figure 4, the embodiments of the invention provide a kind of client, including：
Resolution unit 401, for receiving the object message of service end transmission；According to the message format pre-set to target
Message is parsed, and determines object table data；
Processing unit 402, for obtaining current data table image parameter, according to current data table image parameter, in mirror image
Current table data are determined in the mirror database of database server；
Updating block 403, what object table data and processing unit 402 for being determined according to resolution unit 401 determined works as
Preceding tables of data image parameter, current table data are updated.
In one embodiment of the invention, current data table image parameter, including：Current database type, current number
According to storehouse table mark and present field mark；
Processing unit 402, for being identified according to current database table mark and present field, in mirror database server
Mirror database in determine current table data；
Updating block 403, for the corresponding relation of the type of database according to setting and renewal SQL statement, it is determined that currently
SQL statement is currently updated corresponding to type of database；Using current renewal SQL statement and object table data, to current table data
It is updated.
As shown in figure 5, the embodiments of the invention provide a kind of database table data Transmission system, including：Any of the above-described reality
Apply service end 501, the client 502 of any of the above-described embodiment, intranet data storehouse server 503 and the mirror database service of example
Device 504；
Service end 501 is deployed on intranet data storehouse server 503, and client 502 is deployed in mirror database server
On 504, mirror database server 504 is connected with outer grid database server.
In one embodiment of the invention, client 502 is communicated with service end 501 by unidirectional serial ports.
According to RS232 communication protocols, the communication baud rate of serial ports is set to 115.2Kbps, then can be transmitted within one second
14400 bytes, 50 Mbytes of data can be about transmitted after conversion per hour.According to RS485 or RS422 communication protocols, lead to
Believe that speed will be 8 times of RS232 highest communication speed up to 921Kbps.If still wanting to improve transmission rate, can use at a high speed
Serial port board transmits data using multi-serial-port card.
Here is that the partial code of message is sent using serial ports：
PurgeComm(h_com[COMNum],PURGE_TXABORT|PURGE_RXABORT|PURGE_TXCLEAR|
PURGE_RXCLEAR)；
ClearCommError(h_com[COMNum],&dwErrorFlags,&ComStat)；
WriteFile(h_com[COMNum],Data,DataLen,&length_w,&m_osWrite)；// send message
Ss.Format (" sends a data record, and %s is sent successfully ", COMName).
The contents such as the information exchange between each unit, implementation procedure in said apparatus, due to implementing with the inventive method
Example is based on same design, and particular content can be found in the narration in the inventive method embodiment, and here is omitted.
To sum up, each embodiment of the present invention at least has the effect that：
1st, in embodiments of the present invention, in database table data transmitting procedure, service end is by from the intranet data at place
Storehouse collection of server table data, and by table data by unidirectional Serial Port Transmission to the client disposed in mirror database server
End, user can obtain the table data in mirror database server by outer grid database server.This method is without in addition
Security isolation modular converter is set, intranet data storehouse server is replaced by mirror database server to undertake the potential wind of outside
Danger, can reduce the cost for safeguarding data safety, while realize real physical isolation, reach public network and private network it
Between data safety interact target.This method can avoid the user that intranet data storehouse server is stored on potential risk network
Write-in.
It should be noted that herein, such as first and second etc relational terms are used merely to an entity
Or operation makes a distinction with another entity or operation, and not necessarily require or imply and exist between these entities or operation
Any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant be intended to it is non-
It is exclusive to include, so that process, method, article or equipment including a series of elements not only include those key elements,
But also the other element including being not expressly set out, or also include solid by this process, method, article or equipment
Some key elements.In the absence of more restrictions, the key element limited by sentence " including one ", is not arranged
Except other identical factor in the process including the key element, method, article or equipment being also present.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above method embodiment can pass through
Programmed instruction related hardware is completed, and foregoing program can be stored in computer-readable storage medium, the program
Upon execution, the step of execution includes above method embodiment；And foregoing storage medium includes：ROM, RAM, magnetic disc or light
Disk etc. is various can be with the medium of store program codes.
It is last it should be noted that：Presently preferred embodiments of the present invention is the foregoing is only, is merely to illustrate the skill of the present invention
Art scheme, is not intended to limit the scope of the present invention.Any modification for being made within the spirit and principles of the invention,
Equivalent substitution, improvement etc., are all contained in protection scope of the present invention.
Claims (10)
- A kind of 1. database table data transmission method, it is characterised in that applied to service end, including：Obtain target matrix image parameter；According to the target matrix image parameter, object table number is obtained from the raw data base of intranet data storehouse server According to；Using the message format pre-set by the object table data assembling into object message；The object message is sent to client.
- 2. database table data transmission method according to claim 1, it is characterised in thatThe target matrix image parameter, including：Target database type, target database table mark and target word segment mark Know；It is described according to the target matrix image parameter, obtain object table from the raw data base of intranet data storehouse server Data, including：According to the type of database pre-set and the corresponding relation for reading SQL SQL statement, the mesh is determined Mark target corresponding to type of database and read SQL statement；According to target database table mark and aiming field mark, in the raw data base of intranet data storehouse server Middle determination object table data；SQL statement, which is read, using the target obtains the object table data.
- A kind of 3. service end, it is characterised in that including：Acquiring unit, for obtaining target matrix image parameter, according to the target matrix image parameter, from intranet data Object table data are obtained in the raw data base of storehouse server；Communication unit, for the message format using setting by the object table data assembling that the acquiring unit obtains into mesh Message is marked, the object message is sent to client.
- 4. service end according to claim 3, it is characterised in thatThe target matrix image parameter, including：Target database type, target database table mark and target word segment mark Know；The acquiring unit, for the type of database according to setting and the corresponding pass for reading SQL SQL statement System, determine that target corresponding to the target database type reads SQL statement, identified according to the target database table and described Aiming field is identified, and object table data are determined in the raw data base of intranet data storehouse server, is read using the target SQL statement obtains the object table data.
- A kind of 5. database table data transmission method, it is characterised in that applied to client, including：Receive the object message that service end is sent；The object message is parsed according to the message format pre-set, determines object table data；Obtain current data table image parameter；According to the current data table image parameter, current table number is determined in the mirror database of mirror database server According to；According to the object table data and the current data table image parameter, the current table data are updated.
- 6. database table data transmission method according to claim 5, it is characterised in thatThe current data table image parameter, including：Current database type, current database table mark and present field mark Know；It is described according to the current data table image parameter, current table is determined in the mirror database of mirror database server Data, including：According to current database table mark and present field mark, in the mirror database of mirror database server It is middle to determine current table data；It is described the current table data to be updated according to the object table data and the current data table image parameter, Including：According to the corresponding relation of the type of database pre-set and renewal SQL SQL statement, it is determined that described work as SQL statement is currently updated corresponding to preceding type of database；Using the current renewal SQL statement and the object table data, the current table data are updated.
- A kind of 7. client, it is characterised in that including：Resolution unit, for receiving the object message of service end transmission；According to the message format pre-set to the target report Text is parsed, and determines object table data；Processing unit, for obtaining current data table image parameter, according to the current data table image parameter, in mirror image data Current table data are determined in the mirror database of storehouse server；Updating block, for described in the object table data determined according to the resolution unit and processing unit determination Current data table image parameter, the current table data are updated.
- 8. client according to claim 7, it is characterised in thatThe current data table image parameter, including：Current database type, current database table mark and present field mark Know；The processing unit, for being identified according to current database table mark and the present field, in mirror database Current table data are determined in the mirror database of server；The updating block, the corresponding pass for the type of database according to setting with renewal SQL SQL statement System, currently renewal SQL statement is determined corresponding to the current database type, utilize the current renewal SQL statement and described Object table data, the current table data are updated.
- A kind of 9. database table data Transmission system, it is characterised in that including：Service end, right described in claim 3 or 4 It is required that client, intranet data storehouse server and mirror database server described in 7 or 8；The service end is deployed on the intranet data storehouse server, and the client deployment is in the mirror database service On device, the mirror database server is connected with outer grid database server.
- 10. database table data Transmission system according to claim 9, it is characterised in thatThe client is communicated with the service end by unidirectional serial ports.
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| CN109753494A (en) * | 2019-01-04 | 2019-05-14 | 北京环境特性研究所 | A kind of target characteristic data library system and method for data synchronization |
| CN114257418A (en) * | 2021-11-26 | 2022-03-29 | 国家电投集团科学技术研究院有限公司 | Raspberry pie-based load prediction method and device and electronic equipment |
| CN114268459A (en) * | 2021-11-23 | 2022-04-01 | 贵州电网有限责任公司 | Data security access method based on service side |
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Application publication date: 20180309 |