技术领域technical field
本发明涉及可视卡技术领域，具体地，涉及一种基于可视卡的支付方法及系统。The present invention relates to the field of visual card technology, in particular to a payment method and system based on a visual card.
背景技术Background technique
法定数字货币作为货币的一种形态，是与纸币和硬币完全等价，具有价值特征和无限法偿性的可控匿名的支付工具。基于其电子化特点，以APP端、WEB端为主要渠道，需要数字货币持有者使用个人手机或PC电脑等复杂硬件设备在因特网环境下进行交易，不便于发挥其便利通用的特点。As a form of currency, legal digital currency is a controllable and anonymous payment tool that is completely equivalent to banknotes and coins, has value characteristics and unlimited legal compensation. Based on its electronic characteristics, with APP and WEB as the main channels, digital currency holders need to use complex hardware devices such as personal mobile phones or PCs to conduct transactions in the Internet environment, which is not convenient for taking advantage of its convenience and versatility.
发明内容Contents of the invention
本发明实施例的主要目的在于提供一种基于可视卡的支付方法及系统，以方便数字货币持有人进行交易，充分发挥数字货币便利通用的特点。The main purpose of the embodiment of the present invention is to provide a payment method and system based on a visual card, so as to facilitate transactions by digital currency holders, and give full play to the convenience and versatility of digital currency.
为了实现上述目的，本发明实施例提供一种基于可视卡的支付方法，包括：In order to achieve the above purpose, an embodiment of the present invention provides a payment method based on a visual card, including:
接收来自收款终端的支付请求；支付请求包括收款金额；Receive the payment request from the payment terminal; the payment request includes the amount of payment;
根据收款金额发送数字货币币串至收款终端；Send the digital currency string to the collection terminal according to the collection amount;
根据数字货币币串生成交易明细信息；Generate transaction details according to the digital currency string;
发送交易明细信息至数字钱包终端。Send transaction details to the digital wallet terminal.
本发明实施例还提供一种基于可视卡的支付系统，包括：The embodiment of the present invention also provides a payment system based on a visual card, including:
接收单元，用于接收来自收款终端的支付请求；支付请求包括收款金额；The receiving unit is used to receive the payment request from the collection terminal; the payment request includes the collection amount;
币串单元，用于根据收款金额发送数字货币币串至收款终端；The currency string unit is used to send the digital currency currency string to the collection terminal according to the amount of payment received;
交易明细信息单元，用于根据数字货币币串生成交易明细信息；A transaction detail information unit, used to generate transaction detail information according to the digital currency string;
发送单元，用于发送交易明细信息至数字钱包终端。The sending unit is used to send transaction detailed information to the digital wallet terminal.
本发明实施例还提供一种计算机设备，包括存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序，处理器执行计算机程序时实现所述的基于可视卡的支付方法的步骤。The embodiment of the present invention also provides a computer device, including a memory, a processor, and a computer program stored on the memory and operable on the processor. When the processor executes the computer program, the payment method based on the visual card is realized. step.
本发明实施例还提供一种计算机可读存储介质，其上存储有计算机程序，计算机程序被处理器执行时实现所述的基于可视卡的支付方法的步骤。The embodiment of the present invention also provides a computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor, the steps of the payment method based on the visual card are realized.
本发明实施例的基于可视卡的支付方法及系统根据收款金额发送数字货币币串至收款终端；根据数字货币币串生成交易明细信息，并发送交易明细信息至数字钱包终端，以方便数字货币持有人进行交易，充分发挥数字货币便利通用的特点。The payment method and system based on the visual card of the embodiment of the present invention sends the digital currency string to the collection terminal according to the amount of payment; generates transaction details information according to the digital currency string, and sends the transaction details information to the digital wallet terminal for convenience Digital currency holders conduct transactions, giving full play to the convenience and versatility of digital currency.
附图说明Description of drawings
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments. Obviously, the accompanying drawings in the following description are only of the present invention. For some embodiments, those of ordinary skill in the art can also obtain other drawings based on these drawings without any creative effort.
图1是本发明第一实施例中基于可视卡的支付方法的流程图；Fig. 1 is the flowchart of the payment method based on visual card in the first embodiment of the present invention;
图2是本发明第二实施例中基于可视卡的支付方法的流程图；Fig. 2 is the flowchart of the payment method based on visual card in the second embodiment of the present invention;
图3是本发明实施例中基于可视卡的支付系统的结构框图。Fig. 3 is a structural block diagram of a payment system based on a visual card in an embodiment of the present invention.
具体实施方式Detailed ways
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
本领域技术人员知道，本发明的实施方式可以实现为一种系统、装置、设备、方法或计算机程序产品。因此，本公开可以具体实现为以下形式，即：完全的硬件、完全的软件(包括固件、驻留软件、微代码等)，或者硬件和软件结合的形式。Those skilled in the art know that the embodiments of the present invention can be implemented as a system, device, device, method or computer program product. Therefore, the present disclosure may be embodied in the form of complete hardware, complete software (including firmware, resident software, microcode, etc.), or a combination of hardware and software.
鉴于现有技术需要数字货币持有者使用个人手机或PC电脑等复杂硬件设备在因特网环境下进行交易，本发明实施例提供一种基于可视卡的支付方法，以方便数字货币持有人进行交易，充分发挥数字货币便利通用的特点。以下结合附图对本发明进行详细说明。In view of the existing technology that requires digital currency holders to use complex hardware devices such as personal mobile phones or PCs to conduct transactions in the Internet environment, the embodiment of the present invention provides a payment method based on a visual card to facilitate digital currency holders to conduct transactions. Transactions, giving full play to the convenience and versatility of digital currency. The present invention will be described in detail below in conjunction with the accompanying drawings.
图1是本发明第一实施例中基于可视卡的支付方法的流程图。如图1所示，基于可视卡的支付方法包括：Fig. 1 is a flowchart of a payment method based on a visual card in the first embodiment of the present invention. As shown in Figure 1, payment methods based on visual cards include:
S101：接收来自收款终端的支付请求；支付请求包括收款金额。S101: Receive a payment request from a collection terminal; the payment request includes a collection amount.
S102：根据收款金额发送数字货币币串至收款终端。S102: Send the digital currency string to the collection terminal according to the collection amount.
其中，收款终端还可以通过网络方式与数字钱包云端进行通信，从而同步交易信息。Among them, the collection terminal can also communicate with the digital wallet cloud through the network, thereby synchronizing transaction information.
S103：根据数字货币币串生成交易明细信息。S103: Generate transaction detail information according to the digital currency string.
S104：发送交易明细信息至数字钱包终端。S104: Send transaction details to the digital wallet terminal.
其中，可以通过NFC、蓝牙等近场通信方式与收款终端或数字钱包终端进行通信。数字钱包终端还可以通过网络方式与数字钱包云端进行通信，从而同步交易明细信息至数字钱包云端。Among them, it can communicate with the collection terminal or digital wallet terminal through NFC, Bluetooth and other near-field communication methods. The digital wallet terminal can also communicate with the digital wallet cloud through the network, thereby synchronizing transaction details to the digital wallet cloud.
图1所示的可视卡的支付方法的执行主体可以为内置高性能安全芯片及低功耗电子纸屏幕的可视卡钱包。由图1所示的流程可知，本发明实施例的可视卡的支付方法根据收款金额发送数字货币币串至收款终端；根据数字货币币串生成交易明细信息，并发送交易明细信息至数字钱包终端，以方便数字货币持有人进行交易，充分发挥数字货币便利通用的特点。The execution subject of the payment method of the visual card shown in FIG. 1 may be a visual card wallet with a built-in high-performance security chip and a low-power electronic paper screen. As can be seen from the flow shown in Figure 1, the payment method of the visual card in the embodiment of the present invention sends the digital currency coin string to the collection terminal according to the amount of payment; generates transaction detailed information according to the digital currency coin string, and sends the transaction detailed information to The digital wallet terminal facilitates transactions for digital currency holders, giving full play to the convenience and versatility of digital currency.
图2是本发明第二实施例中基于可视卡的支付方法的流程图。如图2所示，执行S101之后，还包括：Fig. 2 is a flowchart of a payment method based on a visual card in the second embodiment of the present invention. As shown in Figure 2, after executing S101, it also includes:
S201：判断收款金额是否大于免密限额。S201: Determine whether the received amount is greater than the password-free limit.
S202：当收款金额大于免密限额时，显示密码输入界面。S202: When the received amount is greater than the password-free limit, display a password input interface.
S203：接收输入密码，判断输入密码是否与预设的消费密码一致。S203: Receive the input password, and judge whether the input password is consistent with the preset consumption password.
S204：当输入密码与预设的消费密码一致时，根据收款金额发送数字货币币串至收款终端。S204: When the input password is consistent with the preset consumption password, send the digital currency coin string to the payment terminal according to the received amount.
一实施例中，执行S104之后，还包括：接收交易信息查询请求；根据交易信息查询请求显示交易明细信息。In an embodiment, after executing S104, the method further includes: receiving a transaction information query request; and displaying transaction details according to the transaction information query request.
一实施例中，执行S101之前，还包括：接收账户账号和账户密码；根据账户账号和账户密码进入相应的账户。In an embodiment, before performing S101, the method further includes: receiving an account account number and an account password; and entering a corresponding account according to the account account number and account password.
本发明实施例的具体流程如下：The concrete process of the embodiment of the present invention is as follows:
1、可视卡钱包接收账户账号和账户密码，并根据账户账号和账户密码进入相应的账户。1. The visual card wallet receives the account number and account password, and enters the corresponding account according to the account number and account password.
2、可视卡钱包接收来自收款终端的支付请求；支付请求包括收款金额。2. The visual card wallet receives the payment request from the collection terminal; the payment request includes the amount to be collected.
3、可视卡钱包判断收款金额是否大于免密限额：当收款金额大于免密限额时，可视卡钱包显示密码输入界面，接收用户输入的输入密码，判断输入密码是否与预设的消费密码一致；当输入密码与预设的消费密码一致时，可视卡钱包根据收款金额发送数字货币币串至收款终端。3. The visual card wallet judges whether the received amount is greater than the password-free limit: When the received amount is greater than the password-free limit, the visual card wallet displays the password input interface, receives the input password entered by the user, and judges whether the input password is consistent with the preset password. The consumption password is the same; when the input password is consistent with the preset consumption password, the visual card wallet will send the digital currency string to the payment terminal according to the amount of payment.
4、收款终端接收数字货币币串，并通过网络方式与数字钱包云端进行通信，从而同步交易信息。4. The collection terminal receives the digital currency string, and communicates with the digital wallet cloud through the network to synchronize transaction information.
5、可视卡钱包根据数字货币币串生成交易明细信息，并发送交易明细信息至数字钱包终端。5. The visual card wallet generates transaction details according to the digital currency string, and sends the transaction details to the digital wallet terminal.
6、数字钱包终端接收交易明细信息，并通过网络方式与数字钱包云端进行通信，从而同步交易明细信息至数字钱包云端。6. The digital wallet terminal receives transaction details and communicates with the digital wallet cloud through the network, thereby synchronizing the transaction details to the digital wallet cloud.
7、可视卡钱包接收用户输入的交易信息查询请求；根据交易信息查询请求将交易明细信息显示给用户。7. The visual card wallet receives the transaction information query request input by the user; displays the transaction details to the user according to the transaction information query request.
本发明实施例的可视卡的支付方法根据收款金额发送数字货币币串至收款终端；根据数字货币币串生成交易明细信息，并发送交易明细信息至数字钱包终端，以方便数字货币持有人进行交易，充分发挥数字货币便利通用的特点。The payment method of the visual card in the embodiment of the present invention sends the digital currency currency string to the collection terminal according to the amount of payment; generates transaction details information according to the digital currency currency string, and sends the transaction details information to the digital wallet terminal to facilitate digital currency holding Some people conduct transactions, giving full play to the convenience and versatility of digital currency.
基于同一发明构思，本发明实施例还提供了一种基于可视卡的支付系统，由于该系统解决问题的原理与基于可视卡的支付方法相似，因此该系统的实施可以参见方法的实施，重复之处不再赘述。Based on the same inventive concept, the embodiment of the present invention also provides a payment system based on a visual card. Since the problem-solving principle of the system is similar to the payment method based on a visual card, the implementation of the system can refer to the implementation of the method. Repeated points will not be repeated.
图3是本发明实施例中基于可视卡的支付系统的结构框图。如图3所示，基于可视卡的支付系统包括：Fig. 3 is a structural block diagram of a payment system based on a visual card in an embodiment of the present invention. As shown in Figure 3, the payment system based on the visual card includes:
接收单元，用于接收来自收款终端的支付请求；支付请求包括收款金额；The receiving unit is used to receive the payment request from the collection terminal; the payment request includes the collection amount;
币串单元，用于根据收款金额发送数字货币币串至收款终端；The currency string unit is used to send the digital currency currency string to the collection terminal according to the amount of payment received;
交易明细信息单元，用于根据数字货币币串生成交易明细信息；A transaction detail information unit, used to generate transaction detail information according to the digital currency string;
发送单元，用于发送交易明细信息至数字钱包终端。The sending unit is used to send transaction detailed information to the digital wallet terminal.
在其中一种实施例中，还包括：In one of the embodiments, it also includes:
第一判断单元，用于判断收款金额是否大于免密限额；The first judging unit is used to judge whether the received amount is greater than the password-free limit;
显示单元，用于当收款金额大于免密限额时，显示密码输入界面；The display unit is used to display the password input interface when the amount of money collected is greater than the password-free limit;
第二判断单元，用于判断输入密码是否与预设的消费密码一致；The second judging unit is used to judge whether the input password is consistent with the preset consumption password;
接收单元还用于：接收输入密码；The receiving unit is also used for: receiving an input password;
币串单元还用于：当输入密码与预设的消费密码一致时，根据收款金额发送数字货币币串至收款终端。The currency string unit is also used for: when the input password is consistent with the preset consumption password, send the digital currency currency string to the payment terminal according to the amount of payment.
在其中一种实施例中，接收单元还用于：接收交易信息查询请求；In one of the embodiments, the receiving unit is also used to: receive a transaction information query request;
显示单元还用于：根据交易信息查询请求显示交易明细信息。The display unit is also used for: displaying detailed transaction information according to a transaction information query request.
在其中一种实施例中，接收单元还用于：接收账户账号和账户密码；In one of the embodiments, the receiving unit is also used to: receive an account account number and an account password;
基于可视卡的支付系统还包括：Visual card-based payment systems also include:
账户单元，用于根据账户账号和账户密码进入相应的账户。The account unit is used to enter a corresponding account according to the account number and the account password.
综上，本发明实施例的可视卡的支付系统根据收款金额发送数字货币币串至收款终端；根据数字货币币串生成交易明细信息，并发送交易明细信息至数字钱包终端，以方便数字货币持有人进行交易，充分发挥数字货币便利通用的特点。To sum up, the payment system of the visual card in the embodiment of the present invention sends the digital currency string to the collection terminal according to the amount of payment; generates transaction details information according to the digital currency string, and sends the transaction details information to the digital wallet terminal for convenience Digital currency holders conduct transactions, giving full play to the convenience and versatility of digital currency.
本发明实施例还提供了一种计算机设备，包括存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序，处理器执行计算机程序时可以实现基于可视卡的支付方法的全部或部分内容，例如，处理器执行计算机程序时可以实现如下内容：The embodiment of the present invention also provides a computer device, including a memory, a processor, and a computer program stored on the memory and operable on the processor. When the processor executes the computer program, all of the payment methods based on the visual card can be realized. or part of it, for example, when a processor executes a computer program, the following can be achieved:
接收来自收款终端的支付请求；支付请求包括收款金额；Receive the payment request from the payment terminal; the payment request includes the amount of payment;
根据收款金额发送数字货币币串至收款终端；Send the digital currency string to the collection terminal according to the collection amount;
根据数字货币币串生成交易明细信息；Generate transaction details according to the digital currency string;
发送交易明细信息至数字钱包终端。Send transaction details to the digital wallet terminal.
综上，本发明实施例的计算机设备根据收款金额发送数字货币币串至收款终端；根据数字货币币串生成交易明细信息，并发送交易明细信息至数字钱包终端，以方便数字货币持有人进行交易，充分发挥数字货币便利通用的特点。To sum up, the computer device in the embodiment of the present invention sends the digital currency string to the collection terminal according to the amount of payment; generates transaction details according to the digital currency string, and sends the transaction details to the digital wallet terminal, so as to facilitate the holding of digital currency people to conduct transactions, and give full play to the convenience and versatility of digital currency.
本发明实施例还提供了一种计算机可读存储介质，其上存储有计算机程序，计算机程序被处理器执行时可以实现基于可视卡的支付方法的全部或部分内容，例如，处理器执行计算机程序时可以实现如下内容：The embodiment of the present invention also provides a computer-readable storage medium on which a computer program is stored. When the computer program is executed by a processor, all or part of the content of the payment method based on a visual card can be realized. For example, the processor executes the computer The program can achieve the following:
接收来自收款终端的支付请求；支付请求包括收款金额；Receive the payment request from the payment terminal; the payment request includes the amount of payment;
根据收款金额发送数字货币币串至收款终端；Send the digital currency string to the collection terminal according to the collection amount;
根据数字货币币串生成交易明细信息；Generate transaction details according to the digital currency string;
发送交易明细信息至数字钱包终端。Send transaction details to the digital wallet terminal.
综上，本发明实施例的计算机可读存储介质根据收款金额发送数字货币币串至收款终端；根据数字货币币串生成交易明细信息，并发送交易明细信息至数字钱包终端，以方便数字货币持有人进行交易，充分发挥数字货币便利通用的特点。To sum up, the computer-readable storage medium of the embodiment of the present invention sends the digital currency string to the collection terminal according to the amount of payment; generates transaction details information according to the digital currency string, and sends the transaction details information to the digital wallet terminal to facilitate digital payment. Currency holders conduct transactions, giving full play to the convenience and versatility of digital currency.
以上所述的具体实施例，对本发明的目的、技术方案和有益效果进行了进一步详细说明，所应理解的是，以上所述仅为本发明的具体实施例而已，并不用于限定本发明的保护范围，凡在本发明的精神和原则之内，所做的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。The specific embodiments described above have further described the purpose, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above descriptions are only specific embodiments of the present invention and are not intended to limit the scope of the present invention. Protection scope, within the spirit and principles of the present invention, any modification, equivalent replacement, improvement, etc., shall be included in the protection scope of the present invention.
本领域内的技术人员应明白，本发明的实施例可提供为方法、系统、或计算机程序产品。因此，本发明可采用完全硬件实施例、完全软件实施例、或结合软件和硬件方面的实施例的形式。而且，本发明可采用在一个或多个其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘存储器、CD-ROM、光学存储器等)上实施的计算机程序产品的形式。Those skilled in the art should understand that the embodiments of the present invention may be provided as methods, systems, or computer program products. Accordingly, the present invention can take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.
本发明是参照根据本发明实施例的方法、设备(系统)、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器，使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It should be understood that each procedure and/or block in the flowchart and/or block diagram, and a combination of procedures and/or blocks in the flowchart and/or block diagram can be realized by computer program instructions. These computer program instructions may be provided to a general purpose computer, special purpose computer, embedded processor, or processor of other programmable data processing equipment to produce a machine such that the instructions executed by the processor of the computer or other programmable data processing equipment produce a An apparatus for realizing the functions specified in one or more procedures of the flowchart and/or one or more blocks of the block diagram.
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理设备以特定方式工作的计算机可读存储器中，使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品，该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing apparatus to operate in a specific manner, such that the instructions stored in the computer-readable memory produce an article of manufacture comprising instruction means, the instructions The device realizes the function specified in one or more procedures of the flowchart and/or one or more blocks of the block diagram.
这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上，使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理，从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。These computer program instructions can also be loaded onto a computer or other programmable data processing device, causing a series of operational steps to be performed on the computer or other programmable device to produce a computer-implemented process, thereby The instructions provide steps for implementing the functions specified in the flow chart or blocks of the flowchart and/or the block or blocks of the block diagrams.
本发明中应用了具体实施例对本发明的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本发明的方法及其核心思想；同时，对于本领域的一般技术人员，依据本发明的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本发明的限制。In the present invention, specific examples have been applied to explain the principles and implementation methods of the present invention, and the descriptions of the above examples are only used to help understand the method of the present invention and its core idea; meanwhile, for those of ordinary skill in the art, according to this The idea of the invention will have changes in the specific implementation and scope of application. To sum up, the contents of this specification should not be construed as limiting the present invention.
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| CN201910701128.3ACN110428252A (en) | 2019-07-31 | 2019-07-31 | Method of payment and system based on visible card |
| Application Number | Priority Date | Filing Date | Title |
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| CN201910701128.3ACN110428252A (en) | 2019-07-31 | 2019-07-31 | Method of payment and system based on visible card |
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| CN110428252Atrue CN110428252A (en) | 2019-11-08 |
| Application Number | Title | Priority Date | Filing Date |
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| CN201910701128.3APendingCN110428252A (en) | 2019-07-31 | 2019-07-31 | Method of payment and system based on visible card |
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| TA01 | Transfer of patent application right | Effective date of registration:20220331 Address after:Floor 20, block a, Jintang center, No. 18, Fengtai North Road, Fengtai District, Beijing 100071 Applicant after:THE PEOPLES BANK OF CHINA, DIGITAL CASH Research Institute Applicant after:INDUSTRIAL AND COMMERCIAL BANK OF CHINA Address before:100140, 55, Fuxing Avenue, Xicheng District, Beijing Applicant before:INDUSTRIAL AND COMMERCIAL BANK OF CHINA | |
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication | Application publication date:20191108 |