CN112463151B - Visual page construction method based on data source - Google Patents

Visual page construction method based on data source Download PDF

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CN112463151B
CN112463151B CN202011211878.1A CN202011211878A CN112463151B CN 112463151 B CN112463151 B CN 112463151B CN 202011211878 A CN202011211878 A CN 202011211878A CN 112463151 B CN112463151 B CN 112463151B
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fields
control
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CN112463151A (en
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尚灵超
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Hangzhou Xuncou Technology Co ltd
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00Arrangements for software engineering
    • G06F8/30Creation or generation of source code
    • G06F8/38Creation or generation of source code for implementing user interfaces
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/90Details of database functions independent of the retrieved data types
    • G06F16/95Retrieval from the web
    • G06F16/955Retrieval from the web using information identifiers, e.g. uniform resource locators [URL]
    • G06F16/9566URL specific, e.g. using aliases, detecting broken or misspelled links
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0484Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
    • G06F3/0486Drag-and-drop
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00Arrangements for software engineering
    • G06F8/30Creation or generation of source code
    • G06F8/34Graphical or visual programming

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  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
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Abstract

The invention relates to the technical field of visual page construction, in particular to a visual page construction method based on a data source. The method comprises the following steps: a) Connecting the existing data sources of the users, selecting a selection table to be associated by the users, and automatically acquiring an association table of the selection table by a system; b) Acquiring a field and a field attribute of the selection table, generating a corresponding drag control according to the type of the field, and arranging the drag control in a drag control area; c) And responding to the dragging of the user, constructing a target page, automatically binding a data table and associating background codes when the user finishes the construction click storage of the target page, and storing and providing the URL of the page file. The invention has the following substantial effects: the method has the advantages that the newly constructed page is naturally fused with the existing data source of the user by connecting the existing data source of the user and generating the control according to the fields contained in the data source instead of customizing the fields by the control, and the efficiency of upgrading and reforming the system is improved by supporting various data source importing modes.

Description

Visual page construction method based on data source
Technical Field
The invention relates to the technical field of visual page construction, in particular to a visual page construction method based on a data source.
Background
Visual page building is a functional page building method that has gradually begun to be widely used in recent years. For example, a large number of middle-back end management pages, although specific data segments of the middle-back end management pages in different industries are different, logic and functions of the pages are different, development repeatability is high, and the change of requirements is quick. The meaning of developing each system separately is not great. The visual page building technology well solves the problems. The visual page building uses the dragging control, and various system pages can be built through simple dragging and modification, so that the requirements on programmers are greatly reduced. However, the current visual page building firstly generates various types of controls, such as text input boxes, radio selection boxes, check boxes, drop-down lists, picture fields, buttons and the like, and then after being dragged by a user, the user defines the attributes of the controls, such as IDs and the like. And creating a table in the background, inputting a new field into the table by a user after dragging and customizing a control, and defining the attribute of the field according to the custom attribute of the control. Although various types of new pages can be generated, the generated new pages can correspond to only one data table, resulting in limited traffic.
For example, chinese patent CN111061473a, publication date 2020, month 4 and 24, a method and apparatus for editing a visual component for quickly building a page, the method comprising: selecting at least one visual component from a first area and dragging the visual component to a second area, wherein the first area and the second area are two operation areas in a page construction interface; any visual component in the second area is determined to be the current object to be edited, and the current object to be edited is displayed in the second area as an editable state allowing movement. According to the technical scheme, the quick acquisition and convenient editable state of the visual assembly in the construction page are realized, and the development cost and delivery time of the visual project of the energy project are reduced. However, the system cannot be communicated with the data of the original system, so that the problem of disconnection between the business logic of the original system and the newly built page is caused.
Disclosure of Invention
The invention aims to solve the technical problems that: the technical problem that the data source of the visual page building page is disjointed with the original system at present. The method can enable the data of the newly built visual page to be fused with the original system, realizes the rapid upgrading and reconstruction of the system, and opens up the data source.
In order to solve the technical problems, the invention adopts the following technical scheme: a visual page construction method based on a data source comprises the following steps: a) Connecting the existing data sources of the users, selecting a selection table to be associated by the users, and automatically acquiring an association table of the selection table by a system; b) Acquiring a field and a field attribute of the selection table, generating a corresponding drag control according to the type of the field, and arranging the drag control in a drag control area; c) And responding to the dragging of the user, constructing a target page, automatically binding a data table and associating background codes when the user finishes the construction click storage of the target page, storing the data table as a page file, and providing the URL of the page file. The newly constructed page is naturally fused with the existing data source of the user, and the efficiency of upgrading and reforming the system is accelerated by connecting the existing data source of the user and generating the control according to the fields contained in the data source instead of customizing the fields by the control.
Preferably, in step a), the method of connecting the user's existing data sources includes one or more of the following ways: (1) importing a data source through a file, wherein the type of the file is CSV, excel, json or an Xml format; (2) inputting relevant connection information to access an existing database data table through the existing database; (3) newly creating a database and a table structure and directly inputting data; (4) importing a third party database table structure and data in a URL interface mode; (5) the newly created database table structure is visualized and the fields are associated with the fields of the existing table. By supporting various data source importing modes, the method can adapt to upgrading and reconstruction of various systems and is convenient for users to construct new functional pages.
Preferably, in step a), the method for automatically acquiring the association table of the selected table by the system includes: a1 Reading the field and the field attribute of the selected table Ta to obtain a non-empty field set of the selected table Ta; a2 Reading fields and field attributes of other tables Tx of a data source of a user to obtain a non-empty field set of the tables Tx; a3 If the non-empty field set of the table Tx has an intersection with the non-empty field set of the selected table Ta and the common field of the selected table Ta is included in the intersection, the table Tx is taken as the association table of the selected table Ta. The association fields can be used for quickly obtaining the association table of the data table, and the association degree of the association table can be improved by limiting the association fields to the common fields. Preferably, in step A3), the method for obtaining the common field of the selection table Ta includes: statistics of each field C i The number of valid dataAnd null rate->Said null rate-> The data line number of the selected table Ta; the number of valid data +.>Greater than a preset threshold, or null rate +.>Field C less than a preset threshold i As a common field in the selection table Ta. The common fields of the data table can be obtained quickly by the effective data amount and the null rate.
Preferably, in step B), when a field of the table Ta is selected to associate a plurality of tables Tx, a list of drag controls is constructed for the user to select when the drag control of the field is constructed.
Preferably, in step B), the method for generating the corresponding drag control according to the fields of the database includes: b1 Statistics of the usage frequency of the fields of the data table, arranging the fields in descending order with the usage frequency; b2 Generating a drag control for each field, wherein the drag control comprises an icon and a control attribute modification box, the initial type of the drag control is matched with the field type, when the icon of the control is clicked, the control attribute modification box is displayed near a mouse pointer, and the control attribute modification box comprises a control type selection bar, a control name modification area and a control default value modification area; b3 Arranging the drag control corresponding to the field beside the target page generation area according to the field ordering. The drag control is generated by the field of the user data source, so that the new page is constructed naturally and fused with the existing data source of the user, and is not disjointed in data, and further, the newly constructed functional page is fused with the original system, thereby being convenient for upgrading and reconstruction of the original system.
Preferably, in step B1), the method for counting the frequency of use of the fields of the data table includes: b11 Construction field C) i Using frequent eigenvaluesB12 Obtaining total data quantity R of database data existing in user, and dividing interval 0, R]Divided into a plurality of numerical intervals R k,k∈[1,K] K is the number of divided intervals, and each field C is divided into i The number of valid data below +.>After falling into the divided interval, obtain its interval sequence number +.>B13 Frequency characteristic value): />Wherein,for field C i Is defaulted to 0, a 1 A) 2 Respectively weighting coefficients; b14 Field C) i,i∈[1,N] According to the characteristic value of the frequency +.>And (5) arranging in a descending order. The field using frequency can be accurately and rapidly obtained through the non-null value ratio representing the field using frequency.
Preferably, in step B1), the method for counting the frequency of use of the fields of the data table further includes: reading a log of the last period of data source existing in a user, obtaining INSERT sentences in the log, and counting a field C i Number of occurrences in INSERT statementsIf->Greater than the set threshold, field C i Frequency characteristic value of (2): />Wherein a is 3 For the weighting factor>I N To obtain the total number of INSERT sentences. Through the latest log, canThe method and the device can obtain the using frequency of the field in the last period of time, and bring the latest using frequency into the frequency characteristic value of the field, so that the adaptation of the frequency of the field to the recent change can be improved.
Preferably, each field C is counted i Is used for the rate of utilization of (a)Use rate-> To include field C i If field C i Null rate +.>If the usage rate is greater than the preset threshold value, judging the usage rate +.>Whether greater than a preset threshold, if the usage is +.>Greater than a preset threshold τ 0 Then update a as follows 2 Value of->Wherein b is a preset coefficient, b>1. By updating a 2 The value of (2) causes field C i More accurate frequency characteristic value of the frequency of the use of the reaction field.
The invention has the following substantial effects: the newly constructed page is naturally fused with the existing data source of the user, so that the efficiency of upgrading and reforming the system is improved; by supporting various data source importing modes, the method can adapt to upgrading and reconstruction of various systems and is convenient for users to construct new functional pages.
Drawings
FIG. 1 is a flow chart of a method for quickly constructing a visual page according to an embodiment.
FIG. 2 is a flowchart of a method for obtaining an association table of a data table according to an embodiment.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings.
Embodiment one:
a visual page construction method based on a data source, as shown in figure 1, comprises the following steps: a) Connecting the existing data sources of the users, selecting a selection table to be associated by the users, and automatically acquiring an association table of the selection table by a system; b) Acquiring a field and a field attribute of the selection table, generating a corresponding drag control according to the type of the field, and arranging the drag control in a drag control area; c) And responding to the dragging of the user, constructing a target page, automatically binding a data table and associating background codes when the user finishes the construction click storage of the target page, storing the data table as a page file, and providing the URL of the page file. In step a), the method of connecting to a user's existing data sources includes one or more of the following: (1) importing a data source through a file, wherein the type of the file is CSV, excel, json or an Xml format; (2) inputting relevant connection information to access an existing database data table through the existing database; (3) newly creating a database and a table structure and directly inputting data; (4) importing a third party database table structure and data in a URL interface mode; (5) the newly created database table structure is visualized and the fields are associated with the fields of the existing table.
As shown in fig. 2, in step a), the method for automatically acquiring the association table of the selected table by the system includes: a1 Reading the field and the field attribute of the selected table Ta to obtain a non-empty field set of the selected table Ta; a2 Reading fields and field attributes of other tables Tx of a data source of a user to obtain a non-empty field set of the tables Tx; a3 If the non-empty field set of the table Tx has an intersection with the non-empty field set of the selected table Ta and the common field of the selected table Ta is included in the intersection, the table Tx is taken as the association table of the selected table Ta.
Step A3) In the method for obtaining the common field of the selection table Ta, the method comprises the following steps: statistics of each field C i The number of valid dataAnd null rate->Said null rate-> The data line number of the selected table Ta; the number of valid data +.>Greater than a preset threshold, or null rate +.>Field C less than a preset threshold i As a common field in the selection table Ta. The common fields of the data table can be obtained quickly by the effective data amount and the null rate.
When a field of the table Ta is selected to associate a plurality of tables Tx, a list of drag controls is constructed for selection by a user when the drag control of the field is constructed. In the step B), the method for generating the corresponding drag control according to the fields of the database comprises the following steps: b1 Statistics of the usage frequency of the fields of the data table, arranging the fields in descending order with the usage frequency; b2 Generating a drag control for each field, wherein the drag control comprises an icon and a control attribute modification box, the initial type of the drag control is matched with the field type, when the icon of the control is clicked, the control attribute modification box is displayed near a mouse pointer, and the control attribute modification box comprises a control type selection bar, a control name modification area and a control default value modification area; b3 Arranging the drag control corresponding to the field beside the target page generation area according to the field ordering. The drag control is generated by the field of the user data source, so that the new page is constructed naturally and fused with the existing data source of the user, and is not disjointed in data, and further, the newly constructed functional page is fused with the original system, thereby being convenient for upgrading and reconstruction of the original system.
In step B1), the method for counting the usage frequency of the fields of the data table includes: b11 Construction field C) i Using frequent eigenvaluesB12 Obtaining total data quantity R of database data existing in user, and dividing interval 0, R]Divided into a plurality of numerical intervals R k,k∈[1,K] K is the number of divided intervals, and each field C is divided into i The number of valid data below +.>After falling into the divided interval, obtaining the interval sequence number k|thereof Ci The method comprises the steps of carrying out a first treatment on the surface of the B13 Frequency characteristic value): />Wherein (1)>For field C i Is defaulted to 0, a 1 A) 2 Respectively weighting coefficients; b14 Field C) i,i∈[1,N] According to the characteristic value of the frequency +.>And (5) arranging in a descending order.
The beneficial technical effects of this embodiment are: the method has the advantages that the existing data sources of the users are connected, the control is generated according to the fields contained in the data sources, instead of the fields customized by the control, so that the newly constructed page is naturally fused with the existing data sources of the users, the efficiency of upgrading and reforming the system is improved, various data source importing modes are supported, the method can adapt to upgrading and reforming of various systems, and the user can conveniently construct a new functional page.
Embodiment two:
visualization based on data sourceThe page construction method, the present embodiment provides a further improvement on the basis of the first embodiment, and in the present embodiment, step B1), the method for counting the usage frequency of the fields of the data table further includes: reading a log of the last period of data source existing in a user, obtaining INSERT sentences in the log, and counting a field C i Number of occurrences in INSERT statementsIf->Greater than the set threshold, field C i Frequency characteristic value of (2):
wherein a is 3 As the weighting coefficient(s),I N to obtain the total number of INSERT sentences.
Statistics of each field C i Is used for the rate of utilization of (a)Use rate-> To include field C i If field C i Null rate +.>If the usage rate is greater than the preset threshold value, judging the usage rate +.>Whether greater than a preset threshold, if the usage is +.>Greater than a preset threshold τ 0 Then update a as follows 2 Value of->Wherein b is a preset coefficient, b>1. In this embodiment, the most recent log may be used to obtain the frequency of use of the field in the most recent period, and the most recent frequency of use is included in the frequency characteristic value of the field. Update a 2 The value of (2) causes field C i More accurate frequency characteristic value of the frequency of the use of the reaction field.
The above-described embodiment is only a preferred embodiment of the present invention, and is not limited in any way, and other variations and modifications may be made without departing from the technical aspects set forth in the claims.

Claims (7)

1. A method for constructing a visual page based on a data source is characterized in that,
the method comprises the following steps:
a) Connecting the existing data sources of the users, selecting a selection table to be associated by the users, and automatically acquiring an association table of the selection table by a system;
b) Acquiring a field and a field attribute of the selection table, generating a corresponding drag control according to the type of the field, and arranging the drag control in a drag control area;
the method for generating the corresponding drag control according to the fields of the database comprises the following steps:
b1 Statistics of the usage frequency of the fields of the data table, arranging the fields in descending order with the usage frequency;
the method for counting the use frequency of the fields of the data table comprises the following steps:
b11 Construction field C) i Using frequent eigenvalues
B12 Obtaining total data quantity R of database data existing in user, and dividing interval 0, R]Divided into a plurality of numerical intervals R k,k∈[1,K] K is the number of divided intervals, and each field C is divided into i The number of valid dataAfter falling into the divided interval, obtain its interval sequence number +.>
B13 Frequency characteristic value)
Wherein,for field C i Is defaulted to 0, a 1 A) 2 Respectively weighting coefficients;
b14 Field C) i,i∈[1,N] According to the characteristic value of the frequencyDescending order arrangement;
b2 Generating a drag control for each field, wherein the drag control comprises an icon and a control attribute modification box, the initial type of the drag control is matched with the field type, when the icon of the control is clicked, the control attribute modification box is displayed near a mouse pointer, and the control attribute modification box comprises a control type selection bar, a control name modification area and a control default value modification area;
b3 Arranging the drag control corresponding to the field beside the target page generation area according to the field ordering; c) And responding to the dragging of the user, constructing a target page, automatically binding a data table and associating background codes when the user finishes the construction click storage of the target page, storing the data table as a page file, and providing the URL of the page file.
2. The method for constructing a visual page based on data sources according to claim 1, wherein in the step a), the method for connecting the existing data sources of the user comprises one or more of the following modes:
(1) importing a data source through a file, wherein the type of the file is CSV, excel, json or an Xml format;
(2) inputting relevant connection information to access an existing database data table through the existing database;
(3) newly creating a database and a table structure and directly inputting data;
(4) importing a third party database table structure and data in a URL interface mode;
(5) the newly created database table structure is visualized and the fields are associated with the fields of the existing table.
3. A method for constructing a visual page based on a data source according to claim 1 or 2,
in the step A), the method for automatically acquiring the association table of the selected table by the system comprises the following steps:
a1 Reading the field and the field attribute of the selected table Ta to obtain a non-empty field set of the selected table Ta;
a2 Reading fields and field attributes of other tables Tx of a data source of a user to obtain a non-empty field set of the tables Tx;
a3 If the non-empty field set of the table Tx has an intersection with the non-empty field set of the selected table Ta and the common field of the selected table Ta is included in the intersection, the table Tx is taken as the association table of the selected table Ta.
4. A method of constructing a visual page based on data sources according to claim 3, wherein in step A3), the method of obtaining the common fields of the selected table Ta comprises:
statistics of each field C i The number of valid dataAnd null rate->Said null rate-> The data line number of the selected table Ta;
the amount of valid dataGreater than a preset threshold, or null rate +.>Field C less than a preset threshold i As a common field in the selection table Ta.
5. A method of constructing a visual page based on data sources according to claim 3, wherein in step B), when a field of the table Ta is selected to be associated with a plurality of tables Tx, a list of drag controls is constructed for selection by a user when drag controls of the field are constructed.
6. The method for constructing a visualized page based on data sources according to claim 1, wherein in step B1), the method for counting the frequency of use of the fields of the data table further comprises:
reading a log of the last period of data source existing in a user, obtaining INSERT sentences in the log, and counting a field C i Number of occurrences in INSERT statementsIf->Greater than the set threshold, field C i Frequency characteristic value of (2)
Wherein a is 3 As the weighting coefficient(s),I N to obtain the total number of INSERT sentences.
7. The method for constructing a visualized page based on a data source according to claim 1, wherein each field C is counted i Is used for the rate of utilization of (a)Use rate-> To include field C i If field C i Is the null rate of (2)If the usage rate is greater than the preset threshold value, judging the usage rate +.>Whether greater than a preset threshold, if the usage is +.>Greater than a preset threshold τ 0 Then update a as follows 2 Value of->Wherein b is a preset coefficient, b>1。
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CN113779037A (en) * 2021-09-23 2021-12-10 上海淇玥信息技术有限公司 Worksheet processing method and device and electronic equipment
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