Wholesale document intelligent label printing and management system

Abstract

The invention discloses a wholesale document intelligent label printing and management system, and relates to the technical field of computer application and logistics informatization, and the system comprises a basic configuration module which comprises a configuration input unit and a configuration storage and cache unit, and is used for importing configuration information through a graphical interface and a configuration file, the configuration information comprises a label rule, a picking code rule, supplier grade and market information, a label template and stock list configuration, and caching the configuration information to the basic configuration cache. According to the wholesale port intelligent label printing and management system, through automatic and intelligent technical means, closed-loop management of the whole process from order access, label generation, sorting to delivery and account checking is achieved, manual intervention and the error rate are reduced, the unique inventory state-label type linkage mechanism is adopted, and the intelligent label printing and management system has the advantages of being simple in structure and convenient to use. The accuracy and timeliness of the label information are ensured, and goods damage and delay caused by inconsistent information are avoided.

Description

Technical Field

[0001] This invention relates to the fields of computer applications and logistics information technology, specifically to an intelligent label printing and management system for wholesale stalls. Background Technology

[0002] In the daily operation of wholesale stalls, order processing often faces the characteristics of multiple products, multiple channels (e-commerce platforms and offline orders), and high frequency. Label printing and management, as a core link connecting the entire process of order entry, sorting, delivery, and reconciliation, directly affects operational efficiency and cost control of goods damage. Stalls need to match the corresponding label type (stall label or inventory label) according to the real-time inventory status of the goods. By standardizing sorting labels, the processing flow of multiple orders can be optimized, and real-time tracking of label status and multi-dimensional data statistics of "supplier-market-stall" can be achieved to adapt to the operational needs of "small space, simple operation, and short time", ensure the consistency of "goods-labels-express waybill" information, and reduce the impact of human operation errors on fulfillment efficiency.

[0003] In existing technologies, general-purpose label printing systems are mostly designed for e-commerce warehouses, are bulky, and require professional maintenance, making them difficult to adapt to the limited space and simple operation needs of wholesale stalls. They also lack sufficient support for label types linked to inventory status. Simple order printing tools only have basic printing functions, lacking modules for sorting code generation, label status synchronization, and multi-dimensional statistics, failing to cover the needs of improving stall sorting efficiency and reconciliation management. While a few customized solutions for wholesale scenarios are more targeted, their implementation costs are high, and they do not deeply integrate with the high-frequency order processing and AI-driven intelligent adaptation needs of wholesale stalls, making them difficult to popularize in small and medium-sized stalls. Meanwhile, the traditional model still suffers from low efficiency and inconsistent information due to manual label type judgment and repetitive order information entry, affecting the overall operational efficiency of the stalls. To address these issues, we propose an intelligent label printing and management system for wholesale stalls. Summary of the Invention

[0004] To address the aforementioned technical issues, a smart label printing and management system for wholesale stalls is provided. This technical solution solves the problems of existing general label printing systems, which are insufficient for adapting to stall space and easy operation requirements, and still require professional maintenance; simple printing tools can only perform basic printing and lack key functions such as sorting code generation and label status synchronization; a few customized wholesale solutions are costly and do not deeply meet the high-frequency orders and intelligent adaptation needs of stalls, while traditional manual operation also suffers from low efficiency and inconsistent information.

[0005] To achieve the above objectives, the technical solution adopted by the present invention is as follows: A smart label printing and management system for wholesale stalls, comprising: The basic configuration module includes a configuration input unit and a configuration storage and caching unit, which is used to import configuration information through a graphical interface and configuration files. The configuration information includes: label rules, picking code rules, supplier stalls and market information, label templates and packing list configurations, and caches the configuration information to the basic configuration cache. The order source module is used to collect order data from e-commerce platforms and offline order data; The order processing module includes a new order processing unit and a modified order processing unit. It is used to verify the legality of orders, establish the association between order products and stalls based on the product code and the stall's preset association table, process order modification requests and update the status. The label and sorting code calculation and adjustment module includes a stall label calculation unit, a sorting code calculation unit, and a modification unit. It generates label data based on the label rules, templates, and stall information in the basic configuration cache, generates sorting codes according to the picking code rules and the quantity of goods, and dynamically adjusts the labels and sorting codes according to order changes. The data storage module uses SQL to store order information, product-stall association records, label data, and sorting code data. The order printing and shipping module includes a sorting judgment unit and an order printing and shipping execution unit. The sorting judgment unit determines whether the product is a single item or multiple items based on the sorting code. If it is a single item, it triggers the single item direct printing and shipping process. If it is multiple items, it triggers the multiple item sorting and printing and shipping process.

[0006] Preferably, the label template in the basic configuration module supports in-depth customization and editing. Field controls can be dragged to a specified position on the template canvas through a graphical interface, and the font size, color value, and alignment of the fields can be adjusted through this interface. After editing, the configuration input unit converts the template layout data into structured data in JSON format and stores it in the template configuration table of the SQL database; When the stall label calculation unit generates labels, it reads the JSON data of the target template from the basic configuration cache or database, parses its field layout rules, dynamically binds them with the order product data, and outputs a label content data stream that meets the layout requirements.

[0007] Preferably, after receiving a product replacement request, the order modification processing unit extracts the original product code of the product to be replaced and the new product code of the replacement product; The system queries the product-stall association table stored in the basic configuration module to verify whether the new product code exists in the whitelist of product codes associated with the target stall. If the verification is successful, the system deletes the association record between the original product code and the order, establishes the association relationship between the new product code and the order, and generates a modification log record containing the original product code, the new product code, and the operation time, storing it in the order modification history table of the SQL database. If the verification fails, the system rejects the product replacement operation and generates a modification log record containing the original product code, the new product code, the operation time, and the reason for the verification failure, storing it in the order modification history table of the SQL database.

[0008] Preferably, before generating the label, the stall label calculation unit initiates a real-time query request to the inventory database to obtain the real-time inventory status of the current order's goods; If the inventory status returns "In Stock", the preset inventory label template in the basic configuration cache is called to combine the order product information, stall number and inventory identifier to generate inventory label data; if the inventory status returns "Out of Stock", the stall label template is called to combine the order product information, stall number and stall identifier to generate stall label data. The generated label data is stored in the label table of the SQL database, and the label type field is automatically marked as inventory label or stall label according to the inventory status.

[0009] Preferably, when the sorting code calculation unit performs sorting code generation, it accesses the picking code rule library in the basic configuration cache and extracts the preset commodity data hierarchical coding rules; Depending on the amount of order product data, the corresponding identifier code in the rule base is called: If managers modify the grading rules through the configuration entry unit, the new rules only apply to the label sorting codes generated after the modification. The sorting codes that have been generated in the past will retain their original coding identifiers. The sorting code data corresponding to the rules before and after the modification are stored in the sorting code record table of the SQL database.

[0010] Preferably, the modification unit in the label and sorting code calculation and adjustment module continuously monitors the order status change signal and product data change signal from the order processing module; When a signal indicating a change in the quantity of a product is received, the associated tag data for that product is located, the quantity field value in the tag content is modified, and the corresponding picking code status is refreshed synchronously; when an order status is received indicating a change from pending shipment to shipped, all picking code data under that order are retrieved, and their status is updated to shipped. All modification operations generate a data change log. The modified label data, sorting code data, and change log are synchronously written to the label table and sorting code table of the data storage module through the SQL transaction mechanism.

[0011] Preferably, the label and sorting code calculation and adjustment module has a built-in timed tracking task that scans records in the SQL database label table that are in an unprinted state at fixed set times; The tag creation time is compared with the current system time. If the time difference exceeds a preset threshold, the tag status is updated to a timeout exception status and written to the exception status field of the tag status table. At the same time, an exception record containing the tag ID, order number, and timeout duration is inserted into the monitoring and early warning table of the data storage module for the reconciliation module to extract and statistically analyze.

[0012] Preferably, the SQL database of the data storage module is configured with a supplier statistical analysis view, which is associated with the supplier information table, the tag status table, and the order product cost table; The system performs daily aggregate calculations, grouping suppliers by ID to calculate the number of printed, unprinted, and canceled labels associated with each supplier. Simultaneously, it calculates the estimated cost of damage to the corresponding goods for each supplier's label based on the associated product cost sheet. The calculation results are written into the supplier reconciliation summary table, providing a tag reconciliation data interface for querying by supplier dimension.

[0013] Preferably, the SQL database achieves data isolation between multiple stalls through the stall ID field, and a stall ID foreign key is set in the product association table, label template table and sorting code rule table; When the stall management team operates, the system will forcibly verify that the stall ID bound to the current operating account is consistent with the stall ID in the data table; The supplier information table has a Market ID field. When the order processing module queries supplier data, it supports reading shared data of suppliers under the same Market ID across different market segments, but it prohibits access to supplier records of other Market IDs.

[0014] Preferably, when the order processing and delivery unit handles multiple product orders, it receives the unique code of the stall label input by the scanner at the sorting completion stage; After parsing the unique code, the tag table in the SQL database is retrieved to match the corresponding order number and product details; Call the preset express template and electronic waybill interface in the express company management module to generate express order data containing the delivery address; The printer is driven to output the waybill, and the order status is updated to "shipped" and written to the order status change log.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: This invention proposes an intelligent label printing and management system for wholesale stalls. Through automated and intelligent technologies, it achieves closed-loop management of the entire process from order entry, label generation, sorting to delivery and reconciliation. This reduces manual intervention and error rates, ensures the accuracy and timeliness of label information, and avoids damage and delays caused by information discrepancies. It supports multi-dimensional data statistics and isolation, providing merchants with detailed reconciliation data and business analysis support, helping them accurately grasp their operational status and optimize resource allocation. It also has high customizability and scalability, and can flexibly adapt to the operational needs of different stalls, providing strong support for the digital transformation of the wholesale industry. Attached Figure Description

[0016] Figure 1 This is a diagram illustrating the technical solution of the present invention; Figure 2 This is a functional block diagram of the present invention. Detailed Implementation

[0017] The following description is intended to disclose the invention and enable those skilled in the art to implement it. The preferred embodiments described below are merely examples, and other obvious variations will occur to those skilled in the art.

[0018] Reference Figure 1 As shown, a smart label printing and management system for wholesale stalls includes: a basic configuration module, an order sourcing module, an order processing module, a label and sorting code calculation and adjustment module, a data storage module, and a printing and shipping module. These modules work together to ensure smooth data transmission and efficient business execution.

[0019] The basic configuration module, as the cornerstone of the system, is responsible for managing and storing all basic business rules and parameters. The configuration entry unit allows administrators to flexibly define label rules, picking code rules, supplier and market information, label templates, and stock order configurations through a graphical interface or by importing configuration files. The graphical interface uses a drag-and-drop design, allowing administrators to directly drag and drop field controls such as product names, order numbers, and stall numbers to designated positions on the template canvas, and adjust font size, color values, and alignment in real time. This design significantly lowers the technical barrier to template configuration, enabling non-technical personnel to quickly complete personalized settings. After editing, the configuration entry unit converts the template layout data into structured data in JSON format and stores it in the template configuration table of the SQL database. JSON format is lightweight and easy to parse, efficiently supporting data exchange between the front-end interface and back-end data processing. The configuration storage and caching unit loads frequently used configuration information into a Redis-based in-memory database, forming a basic configuration cache. The caching mechanism significantly improves the read speed of configuration information, reduces the frequency of direct access to relational databases, thereby reducing system latency and database load. For example, when the system frequently reads label rules or sorting code rules, it can retrieve them directly from the cache, avoiding repeated database query operations.

[0020] The order sourcing module is responsible for accessing order data from multiple channels. The e-commerce order access unit connects with mainstream e-commerce platforms such as Taobao, JD.com, and Pinduoduo via API interfaces to obtain real-time data such as order numbers, product information, shipping addresses, and order times. The API interface uses standardized protocols to ensure consistent data format and stable transmission. The offline order access unit allows staff to manually enter order information. The system uses form validation to ensure data integrity and accuracy, such as checking if required fields are empty and if order numbers are duplicated. This dual-track access mechanism ensures synchronized processing of online and offline orders, meeting the practical needs of multi-source order management for wholesale stalls.

[0021] The order processing module is responsible for the initial processing and status management of incoming orders. The newly added order processing unit first verifies the legality of the order data, including checking the uniqueness of the order number, the completeness of the product information, and the validity of the delivery address. After successful verification, the system associates the order's products with the corresponding stall information based on a pre-defined association table of product codes and stalls. For example, if product A is pre-supplied by stall A, an association record between product A and stall A is established in the system. This association mechanism ensures that the ordered products are accurately matched to the responsible stall, laying the foundation for subsequent label generation and sorting processes. The modified order processing unit handles order change requests, such as adjustments to product quantity, product replacement, or address modification. When a product replacement request is received, the system extracts the original product code of the replaced product and the new code of the replacement product, and queries the product-stall association table stored in the basic configuration module to verify whether the new product code exists in the whitelist of product codes associated with the target stall. If the verification passes, the system will delete the original product code and its association with the order, establish a new association between the product code and the order, and generate a modification log containing the original product code, the new product code, and the operation time, which will be stored in the order modification history table of the SQL database. This process ensures the compliance and traceability of order modifications.

[0022] The label and picking code calculation and adjustment module is the intelligent core of the system, responsible for dynamically generating and adjusting labels and picking codes based on order data and configuration rules. Before generating labels, the stall label calculation unit first sends a real-time query request to the inventory database to obtain the real-time inventory status of the current order's goods. If the inventory status returns "in stock," it calls the preset inventory label template in the basic configuration cache, combining the order's product information, stall number, and inventory identifier to generate inventory label data; if the inventory status returns "out of stock," it calls the stall label template, combining the order's product information, stall number, and stall identifier to generate stall label data. The generated label data is stored in the label table of the SQL database, and the label type field is automatically marked as either an inventory label or a stall label based on the inventory status. This linkage mechanism between inventory status and label type avoids errors from manual judgment, ensuring the accuracy and scenario adaptability of label generation. The picking code calculation unit then generates picking codes based on preset rules in the picking code rule library. The rule base defines the mapping relationship between product quantity and picking codes. For example, when the order quantity is 1 item, the code with identifier A is called; when the quantity is 2 items, the code with identifier B is called, and so on until the quantity reaches 7 items or more, when the code with identifier G is called. This hierarchical coding design simplifies the identification operation in the picking process and improves picking efficiency. If the administrator modifies the hierarchical rules through the configuration entry unit, the new rule only applies to the label picking codes generated after the modification. The previously generated picking codes retain their original identifiers, ensuring data consistency and business continuity. The label and picking code modification unit continuously monitors the order status change signal and product data change signal from the order processing module. When a product quantity change signal is received, the system locates the label data associated with the product, modifies the quantity field value in the label content, and synchronously refreshes the corresponding picking code status identifier; when an order status changes from pending shipment to shipped, the system retrieves all picking code data under the order and updates its status identifier to the shipped status. All modification operations generate data change logs, and the modified label data, sorting code data, and change logs are synchronously written to the label table and sorting code table of the data storage module through SQL transaction mechanism, ensuring the atomicity and consistency of the data.

[0023] The data storage module uses an SQL database as the persistent storage medium, responsible for storing basic order information, order product associated stall information, stall label data, picking code data, and order modification history logs. The database employs a well-designed table structure, including tables for orders, products, stalls, labels, and picking codes, and establishes relationships between these tables to support efficient data querying and statistical analysis. Furthermore, the system includes a supplier statistical analysis view in the SQL database, which is linked to the supplier information table, label status table, and order product cost table. Daily scheduled aggregation calculations group suppliers by ID, calculating the printed, unprinted, and canceled quantities of their associated labels. Simultaneously, the system calculates the estimated damage cost of the corresponding product for that supplier's label, linked to the product cost table. The calculation results are written to the supplier reconciliation summary table and made available for querying by the reconciliation module via a data interface. This design enables multi-dimensional evaluation of supplier performance, providing data support for stall management. For data isolation, the SQL database uses the stall ID field to isolate data across multiple stalls, with a stall ID foreign key set in the product association table, label template table, and picking code rule table. When the stall management team performs operations, the system forcibly verifies the consistency between the stall ID bound to the current operating account and the stall ID in the data table to ensure data access security. The supplier information table has a market ID field, which supports reading shared data of suppliers under the same market ID across stalls, but prohibits access to supplier records of other market IDs, thus achieving a balance between data sharing and access control.

[0024] The order processing and shipping module is responsible for performing sorting and shipping operations based on the sorting code. The sorting judgment unit determines whether the goods are single or multiple items based on the sorting code and the quantity information of the order. If it is a single item, the order processing and shipping execution unit directly triggers the order processing and shipping process, calling a printing device such as a thermal printer or barcode printer to print a shipping document containing information such as the stall label, sorting code, and delivery address, and generates a shipping instruction. If it is a multiple item, the system first performs order sorting, classifying and organizing multiple items from the same order according to the sorting code. After sorting is completed, the order processing and shipping execution unit receives the unique code of the stall label input by the scanner, parses the unique code, and retrieves the label table in the SQL database to match the corresponding order number and product details. Then, it calls the preset express template and electronic waybill interface in the express company management module to generate express label data containing the delivery address, drives the printer to output the express label, and updates the order status to "shipped" and writes it to the order status change log. This process realizes the integrated operation of sorting confirmation, express label printing, and shipping status synchronization, which significantly improves shipping efficiency.

[0025] Reference Figure 2As shown, the order management layer, serving as the system's order entry point, is responsible for the unified access and automatic flow of orders from multiple sources. This layer connects to mainstream e-commerce platforms such as Douyin Store, Kuaishou, Pinduoduo, WeChat Video Store, and Taobao, as well as other potential e-commerce platforms, through API interfaces or data synchronization technology, enabling real-time acquisition and standardized processing of order data from multiple platforms. Its core function lies in multi-platform compatibility and triggering automatic order flow. The system supports integration with current mainstream e-commerce platforms and is scalable, allowing for rapid integration of new e-commerce platforms through standardized interfaces, meeting the business needs of wholesale stalls for receiving orders through multiple channels. After initial cleaning and format standardization, order data conforming to the stall's business rules is accurately pushed to the label generation and inventory management modules of the stall management layer through an automatic generation mechanism, providing source data support for subsequent label printing and inventory preparation processes.

[0026] The stall management layer is the core business processing layer of the system. Centered around two core objects—labels and stock orders—it connects the entire business chain, from label generation and printing of labels and stock orders to picking and sorting, scanning and printing for delivery, and stall reconciliation, achieving automated and standardized operation of stall business. The label generation module, based on order data pushed by the order management layer and combined with underlying data such as products, suppliers, and printing templates provided by the basic configuration layer, automatically generates label data that meets the needs of the stall scenario according to preset label generation rules. This module is the starting point of the entire label process, providing the data carrier for subsequent printing. The stock order management module operates in parallel with the label generation module, also automatically generating stock orders based on order data and basic configuration data. The stock order contains information such as order product details and stocking requirements, working in conjunction with label data to provide guidance for the stall's picking and sorting processes. The label and stock order printing module receives data output from the label generation and stock order management modules, driving the printing equipment to complete the physical printing of labels and stock orders. The printed labels and stock orders serve as paper vouchers for the actual business operations of the stall, supporting offline execution of the picking and sorting processes. The picking and sorting process relies on printed labels and packing lists to conduct offline picking and sorting operations. This stage serves as the connection point between online data and offline operations, providing a physical foundation for subsequent scanning, printing, and shipping. The scanning, printing, and shipping module triggers the waybill printing process by scanning the labels corresponding to the picked and sorted goods. This module calls upon the courier company management data in the basic configuration layer, matches the courier company with the printing template, and achieves association and synchronization of goods, labels, and waybills, completing the shipping operation and ensuring consistency between logistics information and order and label information. The stall reconciliation module, based on order, label, and waybill data after shipment, automatically or semi-automatically performs internal stall reconciliation, verifying order fulfillment and goods outbound information, providing data support for stall operation accounting.

[0027] The basic configuration layer, serving as the system's underlying support layer, provides fundamental data and functional support for the order management and stall management layers, including product management, supplier management, print templates, and courier company management. This is the foundation for stable system operation and functional expansion. The product management module standardizes the management of goods sold at stalls, including maintaining information such as product codes, names, and specifications. This product data is the core basis for modules such as label generation and inventory management, ensuring that labels and inventory lists accurately reflect product information. The supplier management module manages basic information about product suppliers, providing supplier-level data support for inventory list generation and product traceability, ensuring the traceability of supply chain information. The print template module provides customization and management functions for print templates for documents such as labels and express delivery slips. Templates include settings for format, content layout, and print fields, which are crucial for accurate printing in the label printing, inventory list, and scan-and-print shipping modules, ensuring that printed documents conform to business and visual standards. The courier company management module maintains basic information about cooperating courier companies, such as company name, tracking number rules, and interface information. This provides data support for the scanning, printing, and shipping module to match courier companies and generate waybills, ensuring seamless logistics service integration during the shipping process.

[0028] Through close collaboration and intelligent processing of its various modules, the system achieves high efficiency, scenario-based approach, and refined management of wholesale stall label printing. Its innovations include scenario-based intelligent label generation technology, closed-loop management throughout the entire process, and multi-dimensional data statistics and isolation. The scenario-based intelligent label generation technology automatically selects stall labels or inventory labels through a linkage mechanism between inventory status and label type, avoiding errors from manual judgment. Simultaneously, a daily-cycle sorting code generation algorithm has been developed, ensuring that the sorting efficiency of multiple orders is improved by more than 60%, solving the core pain points of chaotic and time-consuming stall sorting. The closed-loop management throughout the entire process constructs an automated system for order access, label generation, sorting, shipping, and reconciliation. By scanning the unique label code, it achieves integrated operation of sorting confirmation, express delivery label printing, and shipping status synchronization, reducing the single order processing steps from the traditional eight steps to three, improving operational efficiency by 70%. It also achieves real-time linkage between label status and order status, with automatic warnings for abnormal scenarios, reducing management costs. Multi-dimensional data statistics and isolation support multi-level data statistics for suppliers, markets, and stalls, meeting the data support needs of merchants in scenarios such as daily reconciliation. The system employs a stall ID field to strictly isolate data across multiple stalls, ensuring the independence and security of each stall's business data. Simultaneously, for multiple stalls belonging to the same market entity, the system allows them to share basic data such as supplier information within certain permission limits to promote collaborative operations and resource integration, but strictly prohibits access to any data belonging to other market entities. This design improves the collaborative operational efficiency of a group of stalls within the same market while ensuring data security.

[0029] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed invention. The scope of protection claimed by the appended claims and their equivalents is defined.

Claims

1. A wholesale stall intelligent label printing and management system, characterized in that, Comprise: The basic configuration module includes configuration entry unit and configuration storage and cache unit, used to import configuration information through graphical interface and configuration file, the configuration information includes: label rules, picking code rules, supplier stall and market information, label template and inventory list configuration, and cache the configuration information to the basic configuration cache; Order source module, used to collect order data of e-commerce platform and offline order data; Order processing module, including new order processing unit and modified order processing unit, used to verify the legality of the order, establish the association between order goods and stall according to the pre-set association table of goods code and stall, process order modification request and update the state; Label and sorting code calculation adjustment module, including stall label calculation unit, sorting code calculation unit and modification unit, based on the label rules, template and stall information in the basic configuration cache to generate label data, generate sorting code according to the goods quantity according to the picking code rules, and dynamically adjust the label and sorting code according to the order change; Data storage module, using SQL data storage order information, goods-stall association record, label data and sorting code data; The order module, including sorting judgment unit and order printing and delivery execution unit, the sorting judgment unit judges the goods as single or multiple according to the sorting code, if it is judged as single, the single direct printing and delivery process is triggered, if it is judged as multiple, the multiple sorting and printing delivery process is triggered.

2. The wholesale stall intelligent tag printing and management system according to claim 1, characterized in that, The label template in the basic configuration module supports deep custom editing, the field control can be dragged to the template canvas specified position through the graphical interface, the font size, color value and alignment of the field can be adjusted through the interface; After editing, the configuration entry unit converts the template layout data into JSON format structured data and stores it in the template configuration table of SQL database; The stall label calculation unit reads the JSON data of the target template from the basic configuration cache or database when executing label generation, parses its field layout rules and dynamically binds with order goods data, and outputs label content data stream that meets the layout requirements.

3. The wholesale stall intelligent tag printing and management system according to claim 1, characterized in that, The modified order processing unit receives the goods replacement request, extracts the original goods code of the replaced goods and the new code of the replacement goods; Query the goods-stall association table stored in the basic configuration module, verify whether the new goods code exists in the goods code whitelist associated with the target stall; If the verification is passed, delete the association record of the original goods code and the order, establish the association relationship between the new goods code and the order, generate the modification log record containing the original goods code, the new goods code and the operation time, and store it in the order modification history table of SQL database; if the verification fails, refuse to execute the goods replacement operation, and generate the modification log record containing the original goods code, the new goods code, the operation time and the verification failure reason, and store it in the order modification history table of SQL database.

4. The wholesale stall intelligent tag printing and management system according to claim 1, characterized in that, The stall label calculation unit initiates a real-time query request to the inventory database before generating the label, and obtains the real-time inventory status of the current order goods; If the inventory status returns "in stock", the preset inventory label template in the basic configuration cache is called to combine the order commodity information, stall number and inventory identification to generate inventory label data; If the inventory status returns "out of stock", the stall label template is called to combine the order commodity information, stall number and stall identification to generate stall label data; The generated label data is stored in the label table of the SQL database, and the label type field is automatically marked as an inventory label or a stall label according to the inventory status.

5. The wholesale stall intelligent tag printing and management system according to claim 1, wherein, When the sorting code generation unit executes the sorting code generation, the sorting code rule library in the basic configuration cache is accessed to extract the preset commodity data hierarchical coding rule; According to the different order commodity data, the corresponding coding in the rule library is called respectively: If the management personnel modifies the hierarchical rule through the configuration entry unit, the new rule only acts on the generated label sorting code after modification, and the historical generated sorting code maintains the original coding identification unchanged, and the sorting code data corresponding to the rules before and after modification are all stored in the sorting code record table of the SQL database.

6. The wholesale stall intelligent tag printing and management system according to claim 1, wherein, The modification unit in the label and sorting code calculation adjustment module continuously listens to the order state change signal and the commodity data change signal of the order processing module; When receiving the commodity quantity change signal, the label data associated with the commodity is located, the quantity field value in the label content is modified, and the corresponding sorting code state identification is refreshed synchronously; when the order state changes from to be shipped to have been shipped, all sorting code data of the order are retrieved, and the state identification is updated to the shipped state; All modification operations generate data change logs, and the modified label data, sorting code data and change logs are written into the label table and sorting code table of the data storage module synchronously through the SQL transaction mechanism.

7. The wholesale stall intelligent tag printing and management system according to claim 1, wherein, The label and sorting code calculation adjustment module has a built-in timing tracking task, which scans the records in the label table of the SQL database with a state of not being printed at a fixed time; The label creation time is extracted and compared with the current system time, if the time difference exceeds the preset threshold, the label state is updated to the timeout exception state, the exception state field of the label state table is written, and an exception record containing the label ID, order number and timeout duration is inserted into the monitoring and early warning table of the data storage module, for the account module to extract and statistics.

8. The wholesale stall intelligent tag printing and management system according to claim 1, wherein, The SQL database of the data storage module sets a supplier statistical analysis view, which is associated with the supplier information table, the label state table and the order commodity cost table; Daily aggregate calculation is performed, the printed number, unprinted number and cancelled number of the associated labels are counted according to the supplier ID, and the goods damage cost estimate of the labels corresponding to the goods of the supplier is calculated by associating the commodity cost table; The calculation result is written into the supplier account summary table, and a label account data interface is provided for querying according to the supplier dimension.

9. The wholesale stall intelligent tag printing and management system according to claim 1, wherein, The SQL database realizes multi-stall data isolation through the stall ID field, and sets the stall ID foreign key in the commodity association table, the label template table and the sorting code rule table; When the stall management layer operates, the system forcibly checks the consistency of the stall ID bound to the current operation account and the stall ID in the data table. The supplier information table sets a market ID field, and when the order processing module queries the supplier data, cross-stall supplier shared data under the same market ID is supported to be read.

10. The wholesale stall intelligent tag printing and management system according to claim 1, wherein, The order execution unit processes multi-item commodity orders, receives a stall label unique code input by a scanning gun at a sorting completion link, and processes the multi-item commodity orders. After analyzing the unique code, the label table in the SQL database is searched to match the corresponding order number and commodity details. A preset express template and electronic face sheet interface in the express company management module are called to generate express sheet data containing the delivery address. A printer is driven to output the express sheet, and the order status is updated to shipped and written into an order status change log.

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