CN107644059A - Method and apparatus, storage medium and terminal device derived from database file - Google Patents
Method and apparatus, storage medium and terminal device derived from database file Download PDFInfo
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- CN107644059A CN107644059A CN201710718235.8A CN201710718235A CN107644059A CN 107644059 A CN107644059 A CN 107644059A CN 201710718235 A CN201710718235 A CN 201710718235A CN 107644059 A CN107644059 A CN 107644059A
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Abstract
The invention discloses method and apparatus, storage medium and terminal device, methods described derived from a kind of database file to include：Receive the file to be transformed into database format；Wherein, the file includes at least one message；Each message includes at least one signal data；Obtain the attribute of the signal data of the file；Wherein, the attribute of signal data includes the bit length of message belonging to the signal data, signal data start bit in messages and the signal data；The attribute of the signal data of the file is loaded in database file template；Signal data arrangement, is filled in the database file template, obtains the database format file of the file by the start bit of the message and signal data belonging to signal data recorded according to the database file template in messages successively.Using the embodiment of the present invention, database file is quickly generated, effectively lifts operating efficiency and work quality.
Description
Technical field
The present invention relates to multimedia technology field, more particularly to method and apparatus, one kind derived from a kind of database file
Storage medium and a kind of terminal device.
Background technology
With the development of automotive networking and the communication technology, CAN (Controller Area Network) buses are because of communication speed
Rate is high, and stability is good, and easily the advantage such as realization has become one of the most widely used fieldbus in the world.
With being continuously increased for demand, the automobile electronic module based on CAN progress application and development is also more and more, right
In automaker (OEM), it is necessary to which discharging bus network specification is given to supplier, supplier is fabricated to available according to the network standard
In analogue simulation, test the database file of checking and developed.
The cannonical format of different OEM releases is different, but supplier is intended to normative translation into database file (.dbc)
Developed, however at present library file can only by instrument (such as Vector instrument CANoe) manual editing, message and signal by
Bar is inserted in template and generated, and consumes a large amount of man-hours, efficiency is low and easily malfunctions.
The content of the invention
Method and apparatus and a kind of storage medium and one derived from a kind of database file that the embodiment of the present invention proposes
Kind terminal device, quickly generates database file, effectively lifts operating efficiency and work quality.
In a first aspect, the embodiment of the present invention provides a kind of method derived from database file, including：
Receive the file to be transformed into database format；Wherein, the file includes at least one message；Each message
Including at least one signal data；
Obtain the attribute of the signal data of the file；Wherein, the attribute of signal data is included belonging to the signal data
The bit length of message, the signal data start bit in messages and the signal data；
The attribute of the signal data of the file is loaded in database file template；
Of message and signal data in messages belonging to signal data recorded according to the database file template
Beginning position, successively by signal data arrangement be filled in the database file template, obtain the file database format text
Part.
In the first possible implementation of first aspect, the attribute of the signal data for obtaining the file,
Specifically include：
Identify the file type belonging to the file；
According to the file type of the file, the character of the file is identified, obtains the number of characters of the file
According to；
According to attribute keyword, the category of acquisition signal data corresponding with the attribute keyword from the character data
Property.
In second of possible implementation of first aspect, obtain the file database format file it
Afterwards, in addition to：
Consistency desired result is carried out to the database format file；
If verification failure, message and signal data according to belonging to the signal data that the database file template is recorded exist
Start bit in message, the signal data for filling the database format file is rearranged, until database format text
Part verifies successfully；
If verifying successfully, the database format file is exported.
With reference to second of possible implementation of first aspect, in the third possible implementation of first aspect
In, it is described that consistency desired result is carried out to the database file, specifically include：
The actual start bit of signal data in messages is obtained from the database file；
Compare the signal data that the actual start bit of the signal data in messages is recorded with the database file to exist
Whether the start bit in message is consistent；
If the actual start bit of all signal datas is consistent with the start bit of record, judgement verifies successfully；
If the actual start bit that there are at least one signal data is inconsistent with the start bit recorded, judge that verification is lost
Lose.
Second of possible reality of the first possible implementation, first aspect with reference to first aspect, first aspect
The third possible implementation of existing mode or first aspect, in the 4th kind of possible implementation of first aspect, institute
Stating method derived from database file also includes：
Receive the database format file to be transformed into specific format；
The character data of the database format file is obtained from the database format file；
The character data is converted into the reference file of plain text format；
The reference file is converted into the file of the specific format, and exports the file of the specific format.
Correspondingly, the embodiment of the present invention also provides device derived from a kind of database file, including：
First file reception module, for receiving the file to be transformed into database format；Wherein, the file is included extremely
A few message；Each message includes at least one signal data；
Signal attribute acquisition module, the attribute of the signal data for obtaining the file；Wherein, the attribute of signal data
Bit length including the message belonging to the signal data, the signal data start bit in messages and the signal data；
Attribute load-on module, for load the file signal data attribute in database file template；
Signal arrangement filling module, for the message belonging to the signal data recorded according to the database file template with
The start bit of signal data in messages, signal data arrangement is filled in the database file template successively, obtains institute
State the database format file of file.
In the first possible implementation of second aspect, the signal attribute acquisition module specifically includes：
Type identification unit, for identifying the file type belonging to the file；
Character data recognition unit, for the file type according to the file, the character of the file is identified,
Obtain the character data of the file；
Attribute acquiring unit, for according to attribute keyword, being obtained and the attribute keyword from the character data
The attribute of corresponding signal data.
In second of possible implementation of second aspect, device derived from described database file also includes：
File verification module, for carrying out consistency desired result to the database format file；
Signal rearranges module, if failing for verifying, the signal data recorded according to the database file template
The start bit of affiliated message and signal data in messages, rearrange the signal number for filling the database format file
According to until database format file verification success；
File output module, if for verifying successfully, export the database format file.
The third aspect, the embodiment of the present invention also provide a kind of storage medium, wherein being stored with a plurality of instruction, its feature exists
In any realization side of method derived from the database file that first aspect provides is realized in the instruction when being executed by processor
Formula.
Fourth aspect, the embodiment of the present invention also provide a kind of terminal device, including memory, processor and are stored in described
On memory and a plurality of instruction that can run on the processor, wherein, the is realized described in the computing device during instruction
On the one hand any implementation of method derived from the database file provided.
Implement the embodiment of the present invention, have the advantages that：
Method and apparatus derived from database file provided in an embodiment of the present invention and a kind of storage medium and one kind are whole
End equipment, the attribute of each signal data of this document is extracted from the file to be transformed into database format, then will be carried
The attribute got is loaded into database file template so that the database format file of generation records each signal data
Attribute, then according to the database file template record each signal data belonging to message and each signal number
According to start bit in messages, signal data arrangement is filled in the database file template successively, obtains the file
Database format file, the database format file translations accuracy rate that so generates is high, and can effectively improve transformation efficiency.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of one embodiment of method derived from database file provided by the invention；
Fig. 2 is the schematic flow sheet of the step S2 of method one embodiment derived from the database file of Fig. 1 offers；
Fig. 3 is the structural representation of one embodiment of device derived from database file provided by the invention；
Fig. 4 is the structural representation of one embodiment of terminal device provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
It is the schematic flow sheet of one embodiment of method derived from database file provided by the invention referring to Fig. 1；
As shown in figure 1, the embodiment of the present invention provides a kind of method derived from database file, including step S1 is to step
S4, it is specially：
S1, receive the file to be transformed into database format；Wherein, the file includes at least one message；Each
Message includes at least one signal data.The file is not limited to the CAN network matrix type cannonical format file of user's release,
Such as form is .excel .pdf .doc or .txt etc..And database format is .dbc in embodiments of the present invention.
S2, obtain the attribute of the signal data of the file；Wherein, the attribute of a signal data includes the signal data
The bit length of affiliated message, the signal data start bit in messages and the signal data.It should be noted that the text
The attribute of signal data described in part can not be identified by database software, it is necessary to first extract each signal from the file
The attribute of data comes out, and the particular content of attribute is copied in the recognizable database file template of database software, specifically
Ground performs step S3.The attribute of signal data described in the file includes：The title or mark of message belonging to signal data
Know, the byte sequence number that byte length, the signal data of message belonging to signal data arrange in its affiliated message, signal data institute
Sort position number, the signal data of the position accounted for are in start bit of its affiliated message etc..
S3, the attribute of signal data of the file is loaded in database file template.The database file template
Can be pre-created, when signal data attribute region and the signal data filling region of the data file module describe it is corresponding
Signal data, then can be identified by database software.It should be noted that each letter got in above-mentioned steps S2
The attribute of number, sat in the right seat and be loaded into the relevant position of database file module.
S4, the message belonging to signal data and signal data recorded according to the database file template are in messages
Start bit, signal data arrangement is filled in the database file template successively, obtains the database format of the file
File.
It should be noted that because the attribute of each signal data has been documented in database file template, then need
Will be according to the message and the start bit of each signal data in messages belonging to each signal that the attribute is recorded, will be same
The signal data of message part is filled in a message by the arrangement of start bit order, then message is placed on database file module
In, filling is completed to obtain the database format file of the file.
In the specific implementation, as shown in Fig. 2 above-mentioned steps S2 specific implementation process includes：
S21, identify the file type belonging to the file；The text can be obtained by JAVA file headers blipology
The file type of part, such as file type is distinguished by identifying the character of file header record, such as：Word or excel text
Part head is D0CF11E0, and pdf file header AC9EBD8F, txt file header are 75736167.
S22, according to the file type of the file, the character of the file is identified, obtains the word of the file
Accord with data；In embodiments of the present invention, OCR (Optical Character Recognition, optical character knowledge can be passed through
Not) technology realizes the identification and acquisition to character.
S23, according to attribute keyword, signal data corresponding with the attribute keywords is obtained from the character data
Attribute；In embodiments of the present invention, can by keyword extraction algorithms, such as TF-IDF (termfrequency-
Inverse document frequency) algorithm, to extract each signal data corresponding with the attribute keywords
Attribute.
After above-mentioned steps S4 has been performed, it is contemplated that arrange filling signal data procedures because system performed in step S4
There are mistakes and omissions in journey, thus needs to carry out the database format file of acquisition consistency desired result, success to be verified, ability output data
Library format file, is advantageous to improve the degree of accuracy of form conversion, and the process of the consistency desired result is specially：
Consistency desired result is carried out to the database format file；Wherein, the consistency desired result includes：From the data
The actual start bit of signal data in messages is obtained in library file；Compare the actual start bit of the signal data in messages with
Whether the start bit of the signal data that the database file is recorded in messages is consistent；If the reality of all signal datas
Start bit is consistent with the start bit of record, then judges to verify successfully；If it there are the actual starting of at least one signal data
Position and the start bit recorded are inconsistent, then judge verification failure.
And then if verification failure, according to the database file template record each signal data belonging to message and
The start bit of each signal data in messages, the signal data for filling the database format file is rearranged, until
The database format file verification success；
If verifying successfully, the database format file is exported.
It should be noted that due to signal data message part arrangement mode include intel byte orderings and
Motorola byte orderings, when the bit length of signal data is not less than 8bit, the mode of 2 kinds of arrangements is identical, works as signal
When the bit length of data is more than 8bit, the modes of two kinds of arrangements have differences, the signal datas of intel byte orderings be from upper and
Lower sequence, and the signal data of motorola byte orderings is to sort from bottom to top, this directly results in the starting of two modes
Position is different.And because step S1 to step S4 scheme are to have ignored an of length no more than byte for signal data, i.e. 8bit,
But use across byte mode arrangement realization situation, because its all exist to signal resolution and coding and signal integrity it is unfavorable
Factor, therefore the general signal data that will not also be arranged with this mode.To ensure integrality that information covers, signal number is being rearranged
According to when, carry out arrangement filling respectively with both arrangement modes, arrangement filling complete after two ways is arranged out respectively
The database format file come carries out consistency desired result, is defined by verifying successful arrangement mode, and export the arrangement mode
File.
Further, the file of database format can be also converted into the document of extended formatting, the database file is led
The method gone out also includes：
Receive the database format file to be transformed into specific format；Wherein, the specific format include but is not limited to be
Pdf, doc, excel and txt form.
The character data of the database format file is obtained from the database format file；
The character data is converted into the reference file of plain text format；The plain text format is preferably CSV
Accord with file format.
The reference file is converted into the file of the specific format, and exports the file of the specific format.
Method derived from database file provided in an embodiment of the present invention, carried from the file to be transformed into database format
The attribute of each signal data of this document is taken, then the attribute extracted is loaded into database file template so that
The database format file of generation records the attribute of each signal data, is then recorded according to the database file template
Each signal data belonging to message and the start bit of each signal data in messages, signal data is arranged successively
It is filled in the database file template, obtains the database format file of the file, the database format so generated
File translations accuracy rate is high, and can effectively improve transformation efficiency.
It is the structural representation of one embodiment of device derived from database file provided by the invention referring to Fig. 3；
Second aspect, the embodiment of the present invention also provide device derived from a kind of database file, can realize what above-described embodiment provided
Whole flows of method derived from database file, are specifically included：
First file reception module 10, for receiving the file to be transformed into database format；Wherein, the file includes
At least one message；Each message includes at least one signal data；
Signal attribute acquisition module 20, the attribute of the signal data for obtaining the file；Wherein, the category of signal data
Property include the bit length of message belonging to the signal data, signal data start bit in messages and the signal data；
Attribute load-on module 30, for load the file signal data attribute in database file template；
Signal arrangement filling module 40, for the message belonging to the signal data recorded according to the database file template
With the start bit of signal data in messages, signal data arrangement is filled in the database file template successively, obtained
The database format file of the file.
In the first possible implementation of second aspect, the signal attribute acquisition module specifically includes：
Type identification unit, for identifying the file type belonging to the file；
Character data recognition unit, for the file type according to the file, the character of the file is identified,
Obtain the character data of the file；
Attribute acquiring unit, for according to attribute keyword, being obtained and the attribute keywords from the character data
The attribute of corresponding signal data.
In second of possible implementation of second aspect, device derived from described database file also includes：
File verification module, for carrying out consistency desired result to the database format file；
Signal rearranges module, if failing for verifying, the signal data recorded according to the database file template
The start bit of affiliated message and signal data in messages, rearrange the signal number for filling the database format file
According to until database format file verification success；
File output module, if for verifying successfully, export the database format file.
With reference to second of possible implementation of second aspect, in the third possible implementation of second aspect
In, device derived from described database file also includes：
File verification module, for carrying out consistency desired result to the database format file；
Signal rearranges module, if failing for verifying, the signal data recorded according to the database file template
The start bit of affiliated message and signal data in messages, rearrange the signal number for filling the database format file
According to until database format file verification success；
File output module, if for verifying successfully, export the database format file.
Second of possible reality of the first possible implementation, second aspect with reference to second aspect, second aspect
The third possible implementation of existing mode or second aspect, in the 4th kind of possible implementation of second aspect, institute
File verification module is stated to specifically include：
Start bit acquiring unit, for obtaining the actual starting of signal data in messages from the database file
Position；
Start bit comparing unit, for comparing the actual start bit of the signal data in messages and the database file
Whether the start bit of the signal data recorded in messages is consistent；
First identifying unit, if the actual start bit for all signal datas is consistent with the start bit of record,
Judgement verifies successfully；
Second identifying unit, if for there are the actual start bit of at least one signal data with the start bit recorded not
Unanimously, then verification failure is judged.
The third aspect, the embodiment of the present invention also provide a kind of storage medium, wherein being stored with a plurality of instruction, its feature exists
In method derived from the database file that above-described embodiment provides is realized in the instruction when being executed by processor.
Fourth aspect, as shown in figure 4, Fig. 4 is the structure of one embodiment of terminal device provided in an embodiment of the present invention
Schematic diagram；The embodiment of the present invention also provides a kind of terminal device, including memory 100, processor 200 and is stored in the storage
On device 100 and a plurality of instruction that can be run on the processor 200, wherein, the processor 200 performs real during the instruction
Method derived from the database file that existing above-described embodiment provides.
Implement the embodiment of the present invention, have the advantages that：
Database file guiding device provided in an embodiment of the present invention and a kind of storage medium and a kind of terminal device, from
The attribute of each signal data of this document, the attribute that then will be extracted are extracted in file to be transformed into database format
It is loaded into database file template so that the database format file of generation records the attribute of each signal data, so
The message according to belonging to each signal data that the database file template is recorded and each signal data are in message afterwards
In start bit, successively by signal data arrangement be filled in the database file template, obtain the database of the file
Formatted file, the database format file translations accuracy rate so generated is high, and can effectively improve transformation efficiency.
One of ordinary skill in the art will appreciate that realize all or part of flow in above-described embodiment method, being can be with
The hardware of correlation is instructed to complete by computer program, described program can be stored in a computer read/write memory medium
In, the program is upon execution, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, described storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (10)
1. a kind of method derived from database file, it is characterised in that including：
Receive the file to be transformed into database format；Wherein, the file includes at least one message；Each message includes
At least one signal data；
Obtain the attribute of the signal data of the file；Wherein, the attribute of signal data include the signal data belonging to message,
The bit length of the start bit of the signal data in messages and the signal data；
The attribute of the signal data of the file is loaded in database file template；
The start bit of the message and signal data belonging to signal data recorded according to the database file template in messages,
Signal data arrangement is filled in the database file template successively, obtains the database format file of the file.
2. method derived from database file as claimed in claim 1, it is characterised in that the signal for obtaining the file
The attribute of data, is specifically included：
Identify the file type belonging to the file；
According to the file type of the file, the character of the file is identified, obtains the character data of the file；
According to attribute keyword, the attribute of acquisition signal data corresponding with the attribute keyword from the character data.
3. method derived from database file as claimed in claim 1, it is characterised in that obtaining the database of the file
After formatted file, in addition to：
Consistency desired result is carried out to the database format file；
If verification failure, the message and signal data according to belonging to the signal data of database file template record are in message
In start bit, the signal data for filling the database format file is rearranged, until the database format file school
Test success；
If verifying successfully, the database format file is exported.
4. method derived from database file as claimed in claim 3, it is characterised in that described to enter to the database file
Row consistency desired result, is specifically included：
The actual start bit of signal data in messages is obtained from the database file；
Compare the actual start bit of the signal data in messages with the signal data of database file record in message
In start bit it is whether consistent；
If the actual start bit of all signal datas and the start bit recorded are consistent, judgement verifies successfully；
If the actual start bit that there are at least one signal data is inconsistent with the start bit recorded, verification failure is judged.
5. method derived from the database file as described in any one of Claims 1-4, it is characterised in that the data library text
Method also includes derived from part：
Receive the database format file to be transformed into specific format；
The character data of the database format file is obtained from the database format file；
The character data is converted into the reference file of plain text format；
The reference file is converted into the file of the specific format, and exports the file of the specific format.
A kind of 6. device derived from database file, it is characterised in that including：
First file reception module, for receiving the file to be transformed into database format；Wherein, the file includes at least one
Individual message；Each message includes at least one signal data；
Signal attribute acquisition module, the attribute of the signal data for obtaining the file；Wherein, the attribute of signal data includes
The bit length of message, the signal data belonging to the signal data start bit in messages and the signal data；
Attribute load-on module, for load the file signal data attribute in database file template；
Signal arrangement filling module, for the message and signal belonging to the signal data recorded according to the database file template
The start bit of data in messages, signal data arrangement is filled in the database file template successively, obtains the text
The database format file of part.
7. device derived from database file as claimed in claim 6, it is characterised in that the signal attribute acquisition module tool
Body includes：
Type identification unit, for identifying the file type belonging to the file；
Character data recognition unit, for the file type according to the file, the character of the file is identified, obtained
The character data of the file；
Attribute acquiring unit, for according to attribute keyword, being obtained from the character data corresponding with the attribute keyword
Signal data attribute.
8. device derived from database file as claimed in claim 6, it is characterised in that derived from described database file
Device also includes：
File verification module, for carrying out consistency desired result to the database format file；
Signal rearranges module, if failing for verifying, belonging to the signal data recorded according to the database file template
Message and signal data start bit in messages, rearrange the signal data for filling the database format file, directly
To database format file verification success；
File output module, if for verifying successfully, export the database format file.
9. a kind of storage medium, wherein being stored with a plurality of instruction, it is characterised in that the instruction is realized such as when being executed by processor
Method derived from database file described in any one of claim 1 to 5.
10. a kind of terminal device, it is characterised in that including memory, processor and be stored on the memory and can be in institute
The a plurality of instruction run on processor is stated, wherein, realized described in the computing device during instruction as claim 1 to 5 is any
Method derived from database file described in.
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| CN201710718235.8A CN107644059A (en) | 2017-08-18 | 2017-08-18 | Method and apparatus, storage medium and terminal device derived from database file |
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