CN101887464B - Method and device for displaying data in database - Google Patents
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Abstract
The invention discloses a method and a device for displaying data in a database. The method comprises the following steps: receiving user-defined configuration information; based on the user-defined configuration information, obtaining the data structure of a treelike node, wherein the data structure comprises the database objects in a database relevant to the treelike node and the relationship between the database objects; displaying the relevant content of the treelike node and the database. The invention can improve the flexibility of application software and lowers the development cost of application software.
Description
Technical field
The present invention relates to a kind of method and device that shows the data in the database.
Background technology
At present, obtain data and create satisfactory joint form realization by particular code for showing that by tree type UI control the realization of data is generally adopted by particular code.
For example, the mode of data normally obtains wanting the data of accessing by database interface in the tree type UI control demonstrating data storehouse, then the content according to data shows it at specific tree type UI control, the limitation of this application model maximum is for different application, need the content of data also different, obtain data and just need to reproduction write the code realization, if similarly use a lot, can bring the coding work of very loaded down with trivial details repeatability to software company.And in a single day compiling of code, the user can only show for specific data content, can not satisfy user's customized demand, has affected the dirigibility of software.
This solution causes software function closely related with the interface code, and the dirigibility that this has greatly reduced application program causes the large problem of software function customization difficulty, not yet proposes at present effective solution.
Summary of the invention
After the software application patterns of change, the background data base software function can't in time satisfy diversified application module, cause the application software customization large problem of difficulty and propose the present invention, for this reason, fundamental purpose of the present invention is to provide a kind of method and device that shows database by tree type UI, to address the above problem.
To achieve these goals, according to an aspect of the present invention, provide a kind of method that shows the data in the database.
Show that by tree type UI the method for database comprises according to of the present invention: the configuration information that receives the self-defined tree of user's input; Based on configuration information, set up each tree type node of self-defined tree and the corresponding relation between the database object in the database; According to the database object in the self-defined tree demonstration database.
Show that by tree type UI another method of database comprises according to of the present invention: receive user-defined configuration information; Obtain the data structure of tree type node based on self-defining configuration information, data structure comprises database object in the database of tree type node association and the relation between the database object; The content that shows tree type node and database association.
Further, before receiving the step of configuration information, also comprise a user interface is provided; Step at the reception configuration information is to receive configuration information by user interface.
Further, in the step that receives configuration information, configuration information is included in the user profile.
Further, the data structure of tree type node comprises: the relation between node level, node data and the node data of tree type node.
Further, configuration information can comprise class name, role name, display condition and the filtercondition of database object.
Further, filtercondition can be mathematic(al) representation or function, and function comprises DLL function or script function.
Further, before the data in the self-defined tree demonstration database, method also comprises: the node level of tree layout type node and decision tree type node is the license level of system whether, if the result is yes, then finishes the flow process of the child node of query tree type node; If the result is no, then in database, search the content corresponding with the child node of tree type node.
Further, the step of searching the content corresponding with the child node of tree type node in database comprises: whether the node data of judging child node meets the filtercondition in the database, meet filtercondition situation under, this step finishes; In the situation that do not meet filtercondition, then in database, search the content corresponding to next node of child node.
Further, using identifier "+" to characterize tree type node is dummy node, and dummy node is the tree type node with child node, otherwise tree type node is leaf node.
To achieve these goals, according to a further aspect in the invention, provide a kind of device that shows the data in the database.
Show that by tree type UI the device of database comprises according to of the present invention: receiver module is used for receiving user-defined configuration information; Acquisition module is used for obtaining based on self-defining configuration information the data structure of tree type node, and data structure comprises database object in the database of tree type node association and the relation between the database object; Display module is for the content that shows tree type node and database association.
Further, device comprises: judge module, the node level that is used for tree layout type node and decision tree type node is the license level of system whether.
By the present invention, adopt to receive user-defined configuration information; Obtain the data structure of tree type node based on self-defining configuration information, data structure comprises database object in the database of tree type node association and the relation between the database object; The content that shows tree type node and database association, after having solved the software application patterns of change, the background data base software function can't in time satisfy diversified application module, cause the large problem of application software customization difficulty, and then reached the dirigibility that improves application software, the effect that reduces the applied software development cost.
Description of drawings
Accompanying drawing described herein is used to provide a further understanding of the present invention, consists of the application's a part, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the device schematic diagram according to the data in the demonstration database of the embodiment of the invention;
Fig. 2 is the method flow diagram according to the data in the demonstration database of the embodiment of the invention;
Fig. 3 is the schematic diagram according to the application tree type UI meta-model of the embodiment of the invention;
Fig. 4 is the method flow diagram that preferably shows the data in the database according to the embodiment of the invention.
Embodiment
Need to prove, in the situation that do not conflict, embodiment and the feature among the embodiment among the application can make up mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
According to embodiments of the invention, provide a kind of by showing the device of the data in the database.Fig. 1 is the device schematic diagram that tree type UI shows database that passes through according to the embodiment of the invention.As shown in Figure 1, this device comprises: receiver module 101 is used for receiving user-defined configuration information; Acquisition module 103 is used for obtaining based on self-defining configuration information the data structure of tree type node, and data structure comprises database object in the database of tree type node association and the relation between the database object; Display module 105 is for the content that shows tree type node and database association.
This embodiment is by setting in advance the parameters of the tree type UI node that needs demonstration, attribute, level and the relation etc. that comprise node realize the customizable of tree type UI function, and unified the procedure for displaying of tree type UI, reduced simultaneously the technician workload, reduced cost of development.
The present embodiment is set up the corresponding relation of tree type node and data-base content, and application interface and background data base are organically combined, and has realized the decoupling zero of UI and function code.
Preferably, device also comprises: judge module 107, the node level that is used for tree layout type node and decision tree type node is the license level of system whether.Customize displaying contents by the demand of resolving the user among this embodiment, to displaying contents whether the tree type node of customization filter, in the situation that use the more coding work that can not bring very loaded down with trivial details repeatability to software company, the dirigibility that has improved software.
According to embodiments of the invention, provide a kind of method that shows database by tree type UI.
Fig. 2 is the method flow diagram according to the data in the demonstration database of the embodiment of the invention.As shown in Figure 2, the method comprises the steps:
Step S202, the receiver module 101 by among Fig. 1 receives the configuration information of the self-defined tree of users' input.The displaying contents of the tree control of system definition tree type node in this step, the content that the tree control that receives definition by receiver module 101 need to show.
Step S204 based on configuration information, sets up each tree type node of self-defined tree structure and the corresponding relation between the database object in the database.The present embodiment obtains data and the incidence relation thereof of the needs demonstration that sets by the acquisition module 103 among Fig. 1, wherein, database object in the node data correspondence database that shows, incidence relation between the node that shows comprises the incidence relation of database object in the hierarchical relationship correspondence database.
Step S206 is according to the database object in the self-defined tree demonstration database.This step shown the Query Result of tree type node in database by the display module 105 among Fig. 1, and the Query Result of demonstration can comprise the relation between database object and the database object.
Preferably, show that by tree type UI the method for database can be: receive user-defined configuration information; Obtain the data structure of tree type node based on self-defining configuration information, data structure comprises database object in the database of tree type node association and the relation between the database object; The content that shows tree type node and database association.
This embodiment is pre-configured by the relation according to field and table of the tree type node on foreground and database node is carried out, and has realized the self-defined content of searching database of tree type UI control.Can obtain relevant database data and show corresponding content by the meta-model Driving technique of bottom.
The present embodiment creates and demonstration tree type UI control, realize when user interactive is carried out expanding node by the displaying contents of setting tree type UI control, data-base content will be searched automatically according to the displaying contents of the tree type UI control of setting by system, thereby in the different situation of the data content that needs show, do not need again to write the new node of code establishing, thereby can not bring the coding work of very loaded down with trivial details repeatability to software company.Can be according to user's demand customization displaying contents, the dirigibility that has improved software.
Before the step that receives configuration information, can also comprise a user interface is provided; Step at the reception configuration information is to receive configuration information by user interface.Wherein, configuration information can be included in the user profile.This embodiment can be in the situation that configuration information be fixing, namely can improve staff's work efficiency in user's request fixedly the time.
Wherein, the data structure of tree type node can comprise: the relation between node level, node data and the node data of tree type node.Configuration information can comprise class name, role name, display condition and filtercondition.Filtercondition can be mathematic(al) representation or function, and function comprises DLL function or script function.
Before the data in the self-defined tree demonstration database, method can also comprise: the node level of tree layout type node and decision tree type node is the license level of system whether, if the result is yes, then finish the flow process of the child node of the described tree type node of inquiry, in database, search and content that demonstration is corresponding with present tree type node; If the result is no, then in database, search the content corresponding with the child node of tree type node.This embodiment determines by judging the node level of searching whether the database data of searching meets the data of definition.
The step of searching the content corresponding with the child node of tree type node in database comprises: whether the node data of judging child node meets the filtercondition in the database, meet filtercondition situation under, this step finishes; In the situation that do not meet filtercondition, then in database, search the content corresponding to next node of child node.Wherein, using identifier "+" to characterize tree type node is dummy node, and described dummy node is the tree type node with child node, otherwise tree type node is leaf node.This embodiment realizes showing that with tree type UI control the arbitrary levels of the database object corresponding with it concerns by the node layer time number of setting in the shown tree type UI control window of each when inquiry.Owing in the process of coupling, adopting filtering function, having guaranteed that the data content that shows is more accurate and visual.
Fig. 3 is the schematic diagram according to the application tree type UI meta-model of the embodiment of the invention.As shown in Figure 3, the present embodiment uses meta-model definition technology to set the displaying contents of tree type UI control, determine father and son's role relation between the tree node according to the relation between the tables of data, to improve the dirigibility of application program, satisfy the demand of the user individual of application program.In the meta-model definition, the definition of tree type UI generally is comprised of the definition of tree control window attribute and nodal community.
The closely-related content of tree control and the present invention is in the present embodiment: the basic window attribute definition of tree and the node definition of tree.
Employed style and outward appearance when wherein, the basic window attribute definition of tree has been described this control establishment.
The node definition of tree has comprised tree node level definition definition related with node data.All possible database object that tree control can show and the relation between these objects have been reacted in tree node definition.In each node of definition, need the linked database content, related class name and role name have mainly been comprised, class name is the title that data table object that required this node need to show defines in data meta-model, and role name is that father node object in relation table corresponding to this node of defining in the data meta-model and its father node is to the name that concerns of this node object.
For each tree node filtercondition and display condition can be set.Filtercondition can be that structure also can be realized by the DLL function of carry.The combination of field shows the tree node title flexibly in can be by common language and database when inserting actual motion and insert node.
Need to prove, can in the computer system such as one group of computer executable instructions, carry out in the step shown in the process flow diagram of accompanying drawing, and, although there is shown logical order in flow process, but in some cases, can carry out step shown or that describe with the order that is different from herein.
Fig. 3 is the method flow diagram that preferably shows the data in the database according to the embodiment of the invention.Embodiment as shown in Figure 3 uses the meta-model Driving technique to create and shows tree type UI control, and this preferred method comprises the steps:
Step S301, the node in the tree layout control window.
In this step, when user interactive is carried out expanding node, meta-model drives the window style and the dynamic state of parameters that at first obtain definition from the meta-model definition of tree control and creates tree control, then according to the meta-model definition or from program or Query Database obtain the data of top mode and show.
Step S302, system judge whether the license level of the tree control window that launches arrives.If the node that launches is the node level that meets demand, then finish this query script, launch simultaneously this node and show this node and child node thereof, otherwise, enter step S303.
Step S303, system search a node of next stage according to meta-model, and obtain related class name and role.Meta-model drives and will define the content of automatically searching database according to the meta-model of tree type UI control in this step, launches also to show the next stage data that are associated.
Step S304, system judge whether the parameter of this node meets filtercondition.If meet filtercondition then after obtaining the related content of this node, show the content of this node, otherwise change step S305 over to.
Step S305, system increase downstream site and show nodename according to display condition.
At step S304 to step S305, because each node data that shows is preset, it is the node that comprises that needs show in the node that has now shown, then need to open the child node of present node, the present embodiment can adopt user and tree control to click alternately+number launch present node, meta-model drives the definition automatic acquisition child node definition information according to present node, search the data that meet definition from database, and the increase node shows.
Step S306 adds necessary dummy node for new node.The meaning of dummy node is that current this node is to launch and to see the next stage data, but do not search concrete data-base content this moment, the fundamental purpose that increases dummy node is exactly in interactive operation, the user can see this node front have+number and can click expansion.
From above description, can find out, the present invention has realized following technique effect: drive by unified meta-model, can not increase code or only increase a small amount of code, and only by the definition of tree type UI control meta-model, just can realize the demonstration to the arbitrary levels relation of a database object.By to tree control particularly the definition of tree node database data and User Defined data organically can be made up, replenish by a small amount of code again, realize various display effect, greatly improved customizability, dirigibility that tree type UI interface operation function course realizes.
When many occasions need to be unified the tree-like UI of type, this invention can solve the problem that the many codes of many occasions are realized to the detailed description that above-described embodiment arranged well as can be known.For example there is a tree-like UI control at the main interface of a program, in certain operation, for example need also in the dialog box of an ejection to show that similar tree-like UI control checks or select, but database object content and the level that may show are incomplete same again, occasion at these two needs defines two tree-like UI meta-models so, when needs show tree-like UI control, as long as being passed to unified meta-model, these two meta-models drive, just can reach the effect of wanting.Do not use this invention, need to revise or increase a large amount of codes for second occasion developer and just may be effective, occasion is more, and size of code is larger.Relatively increase and the modification code, the workload that defines tree-like UI meta-model has then been lacked a lot.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with general calculation element, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the memory storage and be carried out by calculation element, perhaps they are made into respectively each integrated circuit modules, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a method that shows the data in the database is characterized in that, comprising:
Receive the configuration information of the self-defined tree of user's input;
Based on described configuration information, set up each tree type node of described self-defined tree and the corresponding relation between the database object in the described database;
The node level that launches described tree type node and judge described tree type node is the license level of system whether, if the result is yes, then finishes the flow process of the child node of the described tree type node of inquiry; If the result is no, then in described database, search the content corresponding with the child node of described tree type node, wherein, when launching described tree type node, meta-model drives window style and the parameter of obtaining definition from the meta-model definition of tree control and comes the dynamic creation tree control, and obtains the data of node from database according to described meta-model definition;
Show database object in the described database according to described self-defined tree.
2. method according to claim 1 is characterized in that, also comprises providing a user interface before the step that receives described configuration information; Step at the reception configuration information is to receive described configuration information by described user interface.
3. method according to claim 1 is characterized in that, in the step that receives configuration information, described configuration information is included in the user profile.
4. a method that shows database by tree type UI is characterized in that, comprising:
Receive user-defined configuration information;
Obtain the data structure of tree type node based on described configuration information, described data structure comprises database object in the database of described tree type node association and the relation between the described database object;
The node level that launches described tree type node and judge described tree type node is the license level of system whether, if the result is yes, then finishes the flow process of the child node of the described tree type node of inquiry; If the result is no, then in described database, search the content corresponding with the child node of described tree type node, wherein, when launching described tree type node, meta-model drives window style and the parameter of obtaining definition from the meta-model definition of tree control and comes the dynamic creation tree control, and obtains the data of node from database according to described meta-model definition;
The content that shows described tree type node and described database association.
5. each described method is characterized in that according to claim 1-4, and the data structure of described tree type node comprises: the relation between the node level of described tree type node, node data and the described node data.
6. method according to claim 5 is characterized in that, described configuration information comprises class name, role name, display condition and filtercondition.
7. method according to claim 6 is characterized in that described filtercondition is mathematic(al) representation or function, and described function comprises DLL function or script function.
8. method according to claim 7 is characterized in that, the step of searching the content corresponding with the child node of described tree type node in described database comprises:
Whether the node data of judging described child node meets the filtercondition in the described database, meet described filtercondition situation under, this step finishes;
In the situation that do not meet described filtercondition, then in described database, search the described content corresponding to next node of described child node.
9. method according to claim 7 is characterized in that, using identifier "+" to characterize described tree type node is dummy node, and described dummy node is the described tree type node with child node, otherwise described tree type node is leaf node.
10. a device that shows database by tree type UI is characterized in that, comprising:
Receiver module is used for receiving user-defined configuration information;
Acquisition module is used for obtaining based on described self-defining configuration information the data structure of tree type node, and described data structure comprises database object in the database of described tree type node association and the relation between the described database object;
Processing module, the node level that is used for launching described tree type node and judges described tree type node is the license level of system whether, if the result be yes, then finishes to inquire about the flow process of the child node of described tree type node; If the result is no, then in described database, search the content corresponding with the child node of described tree type node, wherein, when launching described tree type node, meta-model drives window style and the parameter of obtaining definition from the meta-model definition of tree control and comes the dynamic creation tree control, and obtains the data of node from database according to described meta-model definition;
Display module is for the content that shows described tree type node and described database association.
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| CN102014134A (en) * | 2010-12-01 | 2011-04-13 | 北京数码大方科技有限公司 | Data file control method and system as well as computer |
| CN102841892A (en) * | 2011-06-21 | 2012-12-26 | 中国科学院计算技术研究所 | Service encapsulation system and method of relational data |
| CN102541544B (en) * | 2011-12-20 | 2016-05-04 | 北京数码大方科技股份有限公司 | The processing method of Tree control, Apparatus and system |
| CN103177038A (en) * | 2011-12-26 | 2013-06-26 | 昆山麦克斯泰科技有限公司 | Query expression in vertical search engine |
| CN102646111A (en) * | 2012-02-16 | 2012-08-22 | 中国测绘科学研究院 | Knowledge base-based fast construction method of common correlation information query tree |
| GB2511018A (en) | 2012-03-02 | 2014-08-20 | Ibm | Data display device, data display method and program |
| CN103929547A (en) * | 2014-04-30 | 2014-07-16 | 深圳市中兴移动通信有限公司 | Mobile terminal and power-saving configuration method thereof |
| CN104469527A (en) * | 2014-12-17 | 2015-03-25 | 上海交通大学 | System for flexibly organizing live broadcast and on-demand unicast service of multi-stream streaming media |
| CN106997200A (en) * | 2017-03-08 | 2017-08-01 | 北京航天自动控制研究所 | The control method and device of testing process selection tree |
| CN108053873A (en) * | 2017-12-29 | 2018-05-18 | 安徽方正医疗信息技术有限公司 | A kind of design method of the public control node tree based on full institute's general service |
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| CN1849602A (en) * | 2003-09-09 | 2006-10-18 | 皇家飞利浦电子股份有限公司 | Method of providing tree-structured views of data |
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| CN1485775A (en) * | 2002-09-27 | 2004-03-31 | 英业达股份有限公司 | Display processing system and method for node data of tree structure |
| CN101097572A (en) * | 2006-06-30 | 2008-01-02 | 西门子（中国）有限公司 | Tree structures list display process having multiple line content node and device thereof |
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