CN108228558B - Method and system for processing special characters in invoice to complete copying, reporting and clearing card - Google Patents
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Abstract
The invention relates to a method and a system for processing special characters in invoices to complete copying, reporting and clearing cards, wherein the method comprises the following steps: step 1, setting a special character dictionary; step 2, checking whether the error of the sum and the error of the tax amount in each detail line of the invoice to be issued meet the error requirement specified by the State tax administration; step 3, generating an XML character string based on each field in a plurality of fields of the invoice surface to be issued, and searching whether a special word in a special character dictionary exists in the XML character string by utilizing a multi-mode accurate matching method; step 4, the tax digital certificate is used for signing invoice face data, and the invoice face data is stored in the gold tax device and the database; 5, uploading the signed invoice to a checking label, and if the checking label is successful, remotely copying and reporting the invoice and clearing the invoice; if the signature verification fails, executing invoice restoration to filter new special words, performing signature verification after secondary signature adding on the ticket surface data, and executing remote reading, reporting and clearing.
Description
Technical Field
The invention relates to the field of tax control, in particular to a method and a system for processing special characters in an invoice to complete copying and clearing.
Background
The prior art mainly relates to the diversity of invoicing modes of value-added tax invoices, which can be docked with financial software of a client to realize batch invoicing, and can also transmit invoice data through an ERP system and the client through a network to finish invoicing. However, when the characters input in the process of invoicing of the enterprises comprise special characters, which results in failure of invoicing or failure of invoicing and checking, the enterprises can only execute invoice repair and re-upload or void and fail to check and issue invoices, and re-issue new invoices. These methods also cannot completely solve the problem of special characters, require a large number of manual operations when the billing amount is large, and may cause secondary billing failure.
Disclosure of Invention
In order to solve the problem of invoicing failure caused by special characters appearing during invoicing or invoicing and signature checking failure in the background technology, the invention provides a method for processing the special characters in invoices to complete copying and clearing cards, which comprises the following steps:
step 1, setting a special character dictionary, wherein the special character dictionary comprises special words which are determined to influence invoicing, and each special word comprises one or more special characters;
step 2, searching special characters in the invoice to be issued
Step 3, generating an XML character string based on each field in a plurality of fields of the invoice surface to be issued, searching whether a special word in the special character dictionary exists in the XML character string by using a multi-mode accurate matching method, and if so, replacing a special character in the XML character string with an empty string or a correct character corresponding to the special character and then performing step 4;
step 4, the tax digital certificate is used for signing invoice face data, and the invoice face data is stored in the gold tax device and the database;
step 5, encrypting invoice face data in a database, converting the encrypted invoice face data into character strings in a specific format, uploading the character strings to a tax bureau acceptance server, and the tax bureau acceptance server checks the character strings in the specific format of the invoice and feeds back the result to invoicing software; if the server returns that the signature verification is successful, jumping to the step 7, and if the tax bureau accepts that the server fails to verify the signature, jumping to the step 6;
step 6, detecting the reason of invoice signature verification failure, if signature verification failure is caused by the existence of special words which are not included in the special character dictionary, determining the special words, adding the special words into the special character dictionary, performing invoice restoration to filter the special words, and performing secondary signature addition on the ticket face data; and
and 7, executing remote report reading and card clearing.
Further, generating an XML character string based on each field in a plurality of fields of the invoice surface to be issued, and searching for a special word in a special character dictionary by utilizing a multi-mode precise matching method, wherein the method comprises the following steps:
step 1, scanning is started from a first character of an XML character string, and whether the current character is matched with an initial character of a first special word in a special character dictionary or not is checked;
step 2, if the first character in the XML character string is not matched with the first character of the first special word in the special character dictionary, when the special word in the special character dictionary is not finished, reading the first character of the next special word and continuously matching the first character of the XML character string, if the special words in the special character dictionary are not matched when the reading of all the special words is finished and the XML character string is not finished, taking the next character of the characters in the XML character string obtained in the step 1 as the first character in the XML character string, returning to the step 1, and if the special words in the special character dictionary are not matched when the reading of all the special words is finished and the XML character string is finished, finishing the matching;
step 3, when the first character in the XML character string is matched with the first character of a special word in the special character dictionary in the step 1 or the step 2, if the XML character string is not finished, the first character taken in the invoice is the initial character matched at this time, the next character in the XML character string is continuously taken, and if the XML character string is finished, the matching is finished;
step 4, in step 3, when the next character in the XML character string is taken for matching, if the matched special word is finished, the step 5 is skipped; if the matched special word is not finished, reading the next character of the matched special word, matching the character in the XML character string obtained in the step 3 with the character of the special word read in the step, if the character is matched, returning to the step 3, and if the character is not matched, taking the character matched in the step 3 as the first character of the XML character string, and returning to the step 1;
and 5, replacing characters matched with the special characters in the special words in the XML character string with empty strings or correct characters corresponding to the special characters, namely filtering the matched special words, if the filtered XML character string is not finished, taking the first character in the remaining character string after the matching in the XML character string is finished as the initial character for next matching, returning to the step 1, and if the filtered XML character string is finished, finishing the matching.
Further, in step 3 of the method, an XML character string is generated based on each field of a plurality of fields of the invoice face to be issued, and when a special word in the special character dictionary is retrieved by using the multimode exact matching method, if a character matched with the special word in the special character dictionary is not retrieved in the XML character string, the step directly jumps to step 4.
According to another aspect of the present invention, there is provided a system for processing special characters in an invoice to complete copying and clearing of cards, the system comprising:
the special character dictionary setting unit is used for generating a special character dictionary, wherein the special character dictionary comprises special words which are determined to influence invoicing, and each special word comprises one or more special characters;
the invoice detail checking unit is used for checking whether the error of the sum of money and the error of the tax amount in each detail line of the invoice to be issued meet the error requirement specified by the State tax administration, if not, the invoice is stopped and an error is reported, and if so, the retrieval of the special characters in the invoice to be issued is carried out;
the special character retrieval unit generates an XML character string based on each field in a plurality of fields of the invoice surface to be issued, retrieves whether a special word in the special character dictionary exists in the XML character string by using a multi-mode accurate matching method, and replaces a special character in the XML character string with an empty string or a correct character corresponding to the special character if the special word exists in the XML character dictionary;
the ticket face data signing unit is used for signing the invoice face data of the invoice by using the tax digital certificate and storing the invoice face data of the invoice in the gold tax equipment and a database;
the system comprises a signature checking invoice unit, a tax bureau acceptance server and a billing software, wherein the signature checking invoice unit is used for encrypting invoice surface data in a database, converting the encrypted invoice surface data into a character string in a specific format and then uploading the character string to the tax bureau acceptance server;
an invoice restoration unit for determining a special word which is not included in the special character dictionary when signature verification fails due to the special word, adding the special word to the special character dictionary to perform invoice restoration to filter the special word, and adding a signature to the ticket face data for a second time; and
and the remote report copying and card clearing execution unit is used for executing remote report copying and card clearing after the invoice checking unit successfully checks the invoice.
Further, in the special character retrieval unit, when an XML character string is generated based on each field in a plurality of fields of the invoice face to be issued, and a special word in the special character dictionary is retrieved by using a multimode exact matching method, if a character matched with the special word in the special character dictionary is not retrieved in the XML character string, the invoice face data is directly signed by using the tax digital certificate in the invoice face data signing unit, and the invoice face data is stored in the tax administration equipment and the database.
Further, when the special character retrieval unit does not retrieve the characters matched with the special words in the special character dictionary in the XML character string, the ticket data signing unit directly signs the ticket data of the invoice to be issued.
Further, when the invoice checking unit successfully checks the invoice, the remote report and card clearing execution unit executes remote report and card clearing.
The processing method and the system for the invoice signature verification failure of the invoices, which are provided by the invention and can not be successfully invoiced or successfully invoiced after the invoice data is special in the invoicing process, are provided, so that the problems of the invoice signature verification failure and tax declaration and card clearing failure can be effectively avoided at the invoicing source, the invoicing process is more stable, a foundation is laid for single or batch continuous invoicing, and a comprehensive, safe and efficient solution is provided for enterprise invoicing.
Drawings
A more complete understanding of exemplary embodiments of the present invention may be had by reference to the following drawings in which:
FIG. 1 is a flow chart of a method of processing special characters in an invoice to complete a carbon copy and card clearing operation according to an embodiment of the present invention;
FIG. 2 is a flow chart of a method for generating an XML string based on each of a plurality of fields of an invoice face to be issued, retrieving a special word in a special character dictionary using a multi-pattern exact match method, in accordance with an embodiment of the present invention; and
FIG. 3 is a block diagram of a system for processing special characters in invoices to complete the transcription and clearing of cards, in accordance with an embodiment of the present invention.
Detailed Description
The exemplary embodiments of the present invention will now be described with reference to the accompanying drawings, however, the present invention may be embodied in many different forms and is not limited to the embodiments described herein, which are provided for complete and complete disclosure of the present invention and to fully convey the scope of the present invention to those skilled in the art. The terminology used in the exemplary embodiments illustrated in the accompanying drawings is not intended to be limiting of the invention. In the drawings, the same units/elements are denoted by the same reference numerals.
Unless otherwise defined, terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Further, it will be understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense.
FIG. 1 is a flow chart of a method for processing special characters in an invoice to complete a carbon copy clearing operation according to an embodiment of the present invention. As shown in FIG. 1, the method 100 of processing special characters in an invoice to complete the carbon copy clearing begins at step S101.
In step S101, a special character dictionary is set, where the special character dictionary includes special words that have been determined to affect invoicing, where each of the special words includes one or more of special characters;
in step S102, checking whether the error of the sum and the error of the tax amount in each detail line of the invoice to be issued meet the error requirement specified by the State tax administration, if not, terminating the invoice and reporting an error, and if so, performing step S103;
in step S103, generating an XML character string based on each field in a plurality of fields of the invoice surface to be issued, searching whether a special word in a special character dictionary exists in the XML character string by using a multi-mode precise matching method, and if so, replacing a special character in the XML character string with an empty string or a correct character corresponding to the special character and then performing step S104;
in step S104, the tax digital certificate is used for signing invoice face data, and the invoice face data is stored in the gold tax device and the database;
in step S105, encrypting the invoice face data in the database, converting the encrypted invoice face data into a character string in a specific format, and uploading the character string in the specific format to a tax bureau acceptance server, where the tax bureau acceptance server verifies the character string in the specific format of the invoice and feeds back the result to the invoicing software; if the server returns that the verification is successful, jumping to the step S107, and if the tax bureau accepts that the server verification fails, jumping to the step S106;
in step S106, the reason for the failure of invoice signature verification is detected, and if there is a failure of signature verification due to the presence of a special word that is not included in the special character dictionary, the special word is determined and added to the special character dictionary, invoice restoration is performed to filter out the special word, and secondary signature is performed on the ticket data; and
in step S107, remote carbon copy clearing is performed.
Preferably, in step S103 of the method, an XML character string is generated based on each of a plurality of fields of the invoice face to be issued, and when a special word in the special character dictionary is retrieved by using the multimode exact matching method, if a character matching the special word in the special character dictionary is not retrieved in the XML character string, the process directly jumps to step S104.
Fig. 2 is a flowchart of a method for generating an XML string based on each of a plurality of fields of a ticket surface of an invoice to be issued, and retrieving a special word in a special character dictionary using a multi-pattern exact matching method according to an embodiment of the present invention. As shown in FIG. 2, the method 200 of invoice special character matching begins at step S201.
In step S201, scanning is started from the first character of the XML character string to see whether the current character matches the first character of any one of the special words in the special character dictionary;
in step S202, if the first character in the XML character string does not match the first character of the first special word in the special character dictionary, when the special word in the special character dictionary does not end, reading the first character of the next special word and continuing to match the first character of the XML character string, if the special words in the special character dictionary do not match when all the reading ends and the XML character string does not end, taking the next character of the characters in the XML character string obtained in step 1 as the first character in the XML character string, and returning to step 1, if the special words in the special character dictionary do not match when all the reading ends and the XML character string ends, ending the matching;
in step S203, when the first character in the XML character string matches the first character of any one of the special words in the special character dictionary in step S201 or step S202, if the XML character string is not finished, the first character taken in the invoice is the starting character of the matching this time, the next character in the XML character string is continuously taken, and if the XML character string is finished, the matching is finished;
in step S204, when the next character in the XML string is retrieved in step S203 for matching, if the matched special word is ended, the process jumps to step 205; if the matched special word is not finished, reading the next character of the matched special word, matching the character in the XML character string obtained in the step S203 with the character of the special word read in the step, if the character is matched, returning to the step S203, and if the character is not matched, taking the character matched in the step S203 as the first character of the XML character string, and returning to the step S201;
in step S205, the characters in the XML string that match the special characters in the special words are replaced with empty strings or correct characters corresponding to the special characters, that is, the matched special words are filtered out, if the filtered XML string is not finished, the first character in the remaining string after the matching in the XML string is finished is taken as the initial character for the next matching, and the process returns to step S201, and if the filtered XML string is finished, the matching is finished.
FIG. 3 is a block diagram of a system for processing special characters in invoices to complete the transcription and clearing of cards, in accordance with an embodiment of the present invention. As shown in fig. 3, the system for processing the special characters in the invoice to complete the copying and clearing of the card provided by the present invention includes a special character dictionary setting unit 301, an invoice detail checking unit 302, a special character retrieving unit 303, a ticket surface data tagging unit 304, a tag checking invoice unit 305, an invoice recovering unit 306, and a remote copying and clearing execution unit 307.
A special character dictionary setting unit 301, configured to generate a special character dictionary, where the special character dictionary includes already determined special words that affect invoicing, and each of the special words includes one or more of special characters;
an invoice detail checking unit 302, configured to check whether an error of the amount of money and an error of the tax amount in each detail line of the invoice to be issued meet error requirements stipulated by the national tax administration, and if not, terminate the invoice and report an error, and if so, perform retrieval of a special character in the invoice to be issued;
a special character retrieval unit 303, which generates an XML character string based on each of a plurality of fields of the invoice face to be issued, retrieves whether a special word in the special character dictionary exists in the XML character string by using a multi-mode exact matching method, and if so, replaces a special character in the XML character string with an empty string or a correct character corresponding to the special character;
a ticket data signing unit 304 for signing the invoice data using the tax digital certificate and storing the invoice data in the tax fund device and the database;
the system comprises an invoice checking unit 305, a billing software and a database, wherein the invoice checking unit 305 is used for encrypting invoice surface data in the database, converting the encrypted invoice surface data into a character string with a specific format and uploading the character string with the specific format to a tax bureau acceptance server, and the tax bureau acceptance server checks the character string with the specific format of an invoice and feeds back the result to the billing software;
an invoice restoration unit 306 for determining a special word that is not included in the special character dictionary when the signature verification fails due to the special word, and adding the special word to the special character dictionary to perform invoice restoration to filter out the special word, and secondarily adding a signature to the ticket data; and
and a remote report reading and card clearing execution unit 307, which is used for executing remote report reading and card clearing after the invoice checking unit successfully checks the invoice.
Preferably, in the special character retrieving unit 303, when an XML character string is generated based on each of a plurality of fields of the invoice face to be issued, and a special word in the special character dictionary is retrieved by using a multimode exact matching method, if a character matching the special word in the special character dictionary is not retrieved in the XML character string, the invoice face data is directly signed by using the tax digital certificate in the face data signing unit, and the invoice face data is stored in the fiscal instrument and the database.
Preferably, when the special character retrieving unit 303 does not retrieve a character matching a special word in the special character dictionary in the XML character string, the ticket data tagging unit 304 tags the ticket data directly to the invoice to be issued.
Preferably, when the invoice checking unit 305 succeeds in checking the invoice, the remote carbon copy clearing execution unit 307 executes remote carbon copy clearing.
The present invention has been described through the above embodiments. However, other embodiments of the invention than the one disclosed above are equally possible within the scope of the invention, as would be apparent to a person skilled in the art from the appended patent claims.
Generally, all terms used in the claims are to be interpreted according to their ordinary meaning in the technical field, unless explicitly defined otherwise herein. All references to "a/an/the [ means, component, etc. ] are to be interpreted openly as referring to at least one instance of said means, component, etc., unless explicitly stated otherwise. The steps of any method disclosed herein do not have to be performed in the exact order disclosed, unless explicitly stated.
Claims (6)
1. A method for processing special characters in an invoice to complete copying, reporting and clearing cards is characterized by comprising the following steps:
step 1.1, setting a special character dictionary, wherein the special character dictionary comprises special words which are determined to influence invoicing, and each special word comprises one or more special characters;
step 1.2, checking whether the error of the sum of money and the error of the tax amount in each detail line of the invoice to be issued meet the error requirement specified by the State tax administration, if not, terminating the invoice and reporting an error, and if so, performing step 1.3;
step 1.3, generating an XML character string based on each field in a plurality of fields of the invoice surface to be issued, searching whether a special word in a special character dictionary exists in the XML character string by using a multi-mode accurate matching method, and if so, replacing a special character in the XML character string with an empty string or a correct character corresponding to the special character and then performing step 1.4;
step 1.4, the tax digital certificate is used for signing invoice face data, and the invoice face data is stored in the gold tax equipment and the database;
step 1.5, encrypting invoice face data in a database, converting the encrypted invoice face data into character strings in a specific format, uploading the character strings in the specific format to a tax bureau acceptance server, and feeding the result back to invoicing software by the tax bureau acceptance server for checking the character strings in the specific format of the invoice; if the server returns that the signature verification is successful, jumping to the step 1.7, and if the tax bureau accepts that the server fails to verify the signature, jumping to the step 1.6;
step 1.6, detecting the reason of invoice signature verification failure, if signature verification failure is caused by the existence of a special word which is not included in the special character dictionary, determining the special word, adding the special word into the special character dictionary, performing invoice restoration to filter the special word, and performing secondary signature on the ticket face data; and
and step 1.7, remotely copying, reporting and clearing the card.
2. The method of claim 1, wherein generating an XML string based on each of a plurality of fields of the invoice face to be issued, and wherein retrieving a special word in a special character dictionary using a multi-pattern exact match method comprises:
step 2.1, scanning is started from the first character of the XML character string, and whether the current character is matched with the first character of the first special word in the special character dictionary or not is checked;
step 2.2, if the first character in the XML character string does not match the first character of the first special word in the special character dictionary, when the special word in the special character dictionary is not finished, reading the first character of the next special word and continuously matching the first character of the XML character string, if the special words in the special character dictionary are not matched when the whole reading is finished and the XML character string is not finished, taking the next character in the XML character string obtained in the step 2.1 as the first character in the XML character string, returning to the step 2.1, and if the special words in the special character dictionary are not matched when the whole reading is finished and the XML character string is finished, finishing the matching;
step 2.3, when the first character in the XML string is matched with the first character of a special word in the special character dictionary in step 2.1 or step 2.2, if the XML string is not finished, the first character in the XML string is the initial character of the matching, the next character in the XML string is continuously taken, and if the XML string is finished, the matching is finished;
step 2.4, in step 2.3, when the next character in the XML character string is taken for matching, if the matched special word is finished, skipping to step 2.5; if the matched special word is not finished, reading the next character of the matched special word, matching the character in the XML character string obtained in the step 2.3 with the character of the special word read in the step, if the character is matched, returning to the step 2.3, and if the character is not matched, taking the character matched in the step 2.3 as the first character of the XML character string, and returning to the step 2.1;
and 2.5, replacing the characters matched with the special characters in the special words in the XML character string with empty strings or correct characters corresponding to the special characters, namely filtering the matched special words, if the filtered XML character string is not finished, taking the first character in the rest character strings after the matching in the XML character string is finished as the initial character of the next matching, returning to the step 2.1, and if the filtered XML character string is finished, finishing the matching.
3. The method of claim 1, wherein in step 1.3, an XML string is generated based on each of a plurality of fields of the invoice face to be issued, and when a special word in the special character dictionary is retrieved using the multimode exact match method, if a character matching the special word in the special character dictionary is not retrieved in the XML string, the step directly jumps to step 1.4.
4. A system for processing special characters in an invoice to complete copying, reporting and clearing a card, the system comprising:
the special character dictionary setting unit is used for generating a special character dictionary, wherein the special character dictionary comprises special words which are determined to influence invoicing, and each special word comprises one or more special characters;
the invoice detail checking unit is used for checking whether the error of the sum of money and the error of the tax amount in each detail line of the invoice to be issued meet the error requirement specified by the State tax administration, if not, the invoice is stopped and an error is reported, and if so, the retrieval of the special characters in the invoice to be issued is carried out;
the special character retrieval unit generates an XML character string based on each field in a plurality of fields of the invoice surface to be issued, retrieves whether a special word in the special character dictionary exists in the XML character string by using a multi-mode accurate matching method, and replaces a special character in the XML character string with an empty string or a correct character corresponding to the special character if the special word exists in the XML character dictionary;
the ticket face data signing unit is used for signing the invoice face data of the invoice by using the tax digital certificate and storing the invoice face data of the invoice in the gold tax equipment and a database;
the system comprises a signature checking invoice unit, a tax bureau acceptance server and a billing software, wherein the signature checking invoice unit is used for encrypting invoice surface data in a database, converting the encrypted invoice surface data into a character string in a specific format and then uploading the character string to the tax bureau acceptance server;
an invoice restoration unit for determining a special word which is not included in the special character dictionary when signature verification fails due to the special word, adding the special word to the special character dictionary to perform invoice restoration to filter the special word, and adding a signature to the ticket face data for a second time; and
and the remote report copying and card clearing execution unit is used for executing remote report copying and card clearing after the invoice checking unit successfully checks the invoice.
5. The system according to claim 4, wherein in the special character retrieval unit, when an XML character string is generated based on each of a plurality of fields of the invoice face to be issued, and a special word in the special character dictionary is retrieved using the multimode exact matching method, if a character matching the special word in the special character dictionary is not retrieved in the XML character string, the invoice face data is directly signed using the tax digital certificate in the face data signing unit, and the invoice face data is stored in the tax administration device and the database.
6. The system according to claim 4, wherein the ticket data tagging unit tags the ticket data directly to the invoice to be issued when the special character retrieving unit does not retrieve the character matching the special word in the special character dictionary in the XML character string.
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| JP2007280413A (en) * | 2007-05-30 | 2007-10-25 | Katsuyoshi Nagashima | Automatic input device of financial statement |
| CN103854222A (en) * | 2012-12-07 | 2014-06-11 | 航天信息股份有限公司 | Online tax service method and system |
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