CN106126569A - A kind of rapid data method of servicing and system - Google Patents
A kind of rapid data method of servicing and system Download PDFInfo
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- CN106126569A CN106126569A CN201610436679.8A CN201610436679A CN106126569A CN 106126569 A CN106126569 A CN 106126569A CN 201610436679 A CN201610436679 A CN 201610436679A CN 106126569 A CN106126569 A CN 106126569A
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/24—Querying
- G06F16/248—Presentation of query results
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
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Abstract
The present invention relates to a kind of rapid data method of servicing and system, the method configures metadata for business object, thus when the page shows, metadata is resolved by backstage, obtain concrete business datum, and back page, the data that backstage is resolved by foreground are illustrated on the page by page presentation resolving.The present invention, by the way of page configuration, can quickly build data query and safeguard the page, it is possible to the carrying out of fraction limit is inquired about and safeguard, has good maintainability and extensibility.
Description
[technical field]
The invention belongs to computer realm and database field, particularly relate to a kind of rapid data service based on metadata
Method and system
[background technology]
In existing data management field, it usually needs the merits such as data maintenance, workflow examination and approval, complex data computation are provided
Energy.Wherein, data maintenance work accounts for ratio greatly.And, during the data maintenance in later stage, due to demand
Change, causes often occurring that field increase and decrease, display change, increase the requirements such as source of new data maintenance.Especially in business the most not
In stable industry, this situation is commonplace, causes the system expandability poor, difficult in maintenance.
In prior art, there are two kinds of solutions for the problems referred to above: the first is in the process of construction of data system
Reserve a little field as standby more, but this processing method is limited for the number of reserved field eventually, it is impossible to deal with
Large batch of field changes, and there is the situation of data redundancy, wastes resource, in use contains for reserved field
Justice display is the most directly perceived.The second is based on new demand and again customizes data system, and current most situation is all
Can make in this way, but only to being introduced into the data system of maintenance phase, customization is just understood relatively easy, and for having entered
For entering to safeguard the system of phase, customization can bring practical operation difficulty, cycle length, affect the problems such as original system is stable；If
Being system newly developed, multiple customizations will form a main system, and multiple aid systems share the situation of a business library, greatly
The difficulty that the adding system that increases is safeguarded.
In a word, solution of the prior art or there is data redundancy and the unsharp problem of reserved field implication,
Or the problem that there is subsequent expansion difference and not easy care.Therefore the solution of a kind of new data management is needed badly.
[summary of the invention]
In order to solve the problems referred to above of the prior art, the present invention proposes a kind of rapid data method of servicing and system.
The technical solution used in the present invention is as follows:
A kind of rapid data method of servicing, the method comprises the steps:
1) each business object in metadata definition data service system is used, including the metadata of the table of business object
Information and data detail metadata information；
2) when receiving the page request that user sends, from this page request, business object id of request operation is obtained
Subscriber group information with this user place；
3) according to described business object id, function and filtercondition that corresponding service object provides are obtained；
4) according to described subscriber group information, function and the filtercondition of this user group is obtained；
5) result acquired in combining step 3 and 4, thus obtain this user can function and filtercondition；
6) the data detail metadata information that this business object is corresponding is obtained；
7) according to data detail metadata information, resolve the default value of each field, the range of choice, page interrogation condition and
Sequence；
8) result obtained according to step 5-7, builds data query statement, performs data query in associated databases,
Thus obtain the data that this business object is corresponding.
9) according to the metadata information of this business object, and step 5-8 obtain result and data, resolve generate table
Lattice, list, button and query page.
Preferably, also include by menu management, Role Management, user organizes management and authority is set up in data rights management
System；Wherein,
Described menu management includes bouquet, concrete business and module three-stage menu, configurable specifically used in module
Business object, the metadata that associated configuration is good, thus form menu tree, character personality dish can be built on the basis of this menu tree
Dan Shu；
Described Role Management has the role of different rights can to different user's distribution, and described role can be self-defined；
Described user organizes management and includes static group and dynamic group both of which, and described static group is by adding that system provides
Adding method, adds user's group to by system user, and described dynamic group is by the way of configuration querying condition, from system user
Draw a circle to approve user dynamically, add access customer group；
The management of described data permission is role to be associated with data permission, described data permission comprise the authority of table with
Field authority, wherein the authority of table comprises the increase to table, deletes, revises, inquires about and go filtration authority, and it is right that field authority comprises
Whether the field of this table has access rights.
Preferably, the described generation form that resolves includes adding the metadata of every for form string to a metadata one by one
In object array, a corresponding object of field, video data based on this object array and acquisition generates form.
Preferably, the described generation list that resolves comprises the following steps:
A) open the dialog box of forms pages, and generate an empty form；
B) for each field of list, corresponding page control is generated according to its display styles；
C) metadata will be converted into page elements about the definition that the page is relevant；
D) obtain the range of choice, i.e. for there being the field of the range of choice, load corresponding selection according to range of choice index
Scope.
E) trigger event of linkage between load field.
F) obtain the default value of each field and carry out page filling.
Present invention also offers a kind of rapid data service system, this system includes:
Metadata configurations module, for using each business object in metadata definition data service system, including industry
The metadata information of the table of business object and data detail metadata information；
Metadata parsing module, for when receiving the page request that user sends, obtaining from this page request please
Ask business object id of operation and the subscriber group information at this user place；According to described business object id, obtain corresponding service pair
As the function provided and filtercondition；According to described subscriber group information, obtain function and the filtercondition of this user group；Merging obtains
The result taken, thus obtain this user can function and filtercondition；According to data detail metadata information, resolve each word
Default value, the range of choice, page interrogation condition and the sequence of section；Build data query statement, associated databases performs number
It is investigated inquiry, thus obtain the data that this business object is corresponding.
Page presentation parsing module, for the metadata information according to this business object, and metadata parsing module obtains
The result obtained and data, resolve and generate form, list, button and query page.
Preferably, this system also includes authority management module, and this authority management module includes menu management module, Jiao Seguan
Reason module, user organize and manage module and data authority management module, wherein,
Described menu management module is used for managing bouquet, concrete business and module three-stage menu, configurable tool in module
The business object that body uses, the metadata that associated configuration is good, thus form menu tree, angle can be built on the basis of this menu tree
Color individual character menu tree；
Described Role Management module has the role of different rights can to different user's distribution, and described role can make by oneself
Justice；
Described user organizes management module and includes static group and dynamic group both of which, and described static group is to be provided by system
Adding method, system user is added to user's group, described dynamic group is by the way of configuration querying condition, from system use
Family is drawn a circle to approve user dynamically, adds access customer group；
Described data permission management module is for being associated role with data permission, and described data permission comprises table
Authority and field authority, wherein the authority of table comprises the increase to table, deletes, revises, inquires about and go filtration authority, field authority
Comprise whether the field to this table has access rights.
The beneficial effect comprise that by the way of page configuration, can quickly build data query and maintenance
The page, it is possible to the carrying out of fraction limit is inquired about and safeguard.Owing to its configuration is all carried out on the page, there is good safeguarding
Property, and when certain data field needs to adjust, it is possible to modify by configuring, immediately come into force, solve and be difficult to extension
Problem.Meanwhile, all of data query and safeguard the page share one resolve the page, resolve the page adjust after, all of data
Inquire about and safeguard that the page all can change accordingly, also bringing conveniently to system maintenance.
[accompanying drawing explanation]
Accompanying drawing described herein is used to provide a further understanding of the present invention, constitutes the part of the application, but
It is not intended that inappropriate limitation of the present invention, in the accompanying drawings:
Fig. 1 is the metadata resolving of the present invention；
Fig. 2 is authority models graph of a relation of the present invention；
Fig. 3 is present system overall logic frame diagram；
Fig. 4 is that student personal data is checked and the graph of a relation of maintenance platform Yu other operation systems；
Fig. 5 is that student personal data is checked and maintenance platform function structure chart.
[detailed description of the invention]
The present invention is described in detail, illustrative examples therein and saying below in conjunction with accompanying drawing and specific embodiment
Bright being only used for explains the present invention, but not as a limitation of the invention.
The present invention during the rapid build to data service system, use metadata as the basis of data, services,
Data object is defined by configuring metadata.
The specific embodiment of table that use metadata to define business object be presented herein below:
| Field name | Implication |
| Table English name | Addressable table name in data base |
| Table display Name | This table is in the business object title of interface display |
| Whether there is increase button | Whether this table provides increase function |
| Whether there is deletion button | Whether this table provides deletion function |
| Whether there is amendment button | Whether this table provides amendment function |
| Whether use | Whether this table is continuing with |
| Filtercondition | This table in subsequent process, the filtercondition of operated scope of data |
Detailed for data, the following is detailed concrete of the data using metadata to define a field of business object
Embodiment:
By the metadata in above-mentioned data list, the present invention is made that specific definition, wherein to a field:
Field is English: need consistent with the field name in data base.
Whether show: if NO, then on the page, do not show this field.
Default value: default value uses the mode of two tuples to be defined, i.e.<type, value>, wherein type include fixed value,
Variable；Fixed value represents that its value is a fixing character, as a line illustrates or a line in choice box；Variable then represents it
Value is for dynamically obtain, and system provides conventional variable expression way, Dynamic expansion, such as variable curdata can represent and work as
On the front date, variable uid represents that random id, variable curuser represent the ID of login user, etc..
Display styles: use the interface plug-in unit element of the present invention to be defined, then uses textbox such as text, and combobox is then
Use combobox to represent, during page parsing, will resolve according to this.
Linkage field, linked manner and linkage condition are for carrying out in forms pages the table of the incidence relation between field
Stating, linkage field needs the field that this business object is internal, and linked manner has style, select mode, and style represents style
Linkage, such as, be set to read-only by linkage field, and select represents that choice box links, and linkage condition is then expressed as two comboboxs
The incidence relation of middle content, when a field needs to link multiple field, the above three of this field is about the field of linkage
All available array represent.
Whether offer is inquired about: represent whether this field provides query function.When a business object has at least one word
Section provides query function, then on the page of display, it is provided that general polling function.Inquiry is provided, then if none of field
Query function is not provided；.
Whether major key: being used for defining whether this field is major key, it is all main for can having multiple field in same business object
Key, thus form associating major key, when a business object neither one major key, its additions and deletions provided change function and will carry
Show.
Ascending order/descending: define whether this field participates in page tabular sequence, if sequence, which kind of sort method of use,
Optionally there are ascending order, descending.
The range of choice: use the form of select, define the drop-down content in this field combobox, taking of this drop-down content
Value is fixed as two fields, id (i.e. the identifier of content) and value (occurrence of content).
Above-described embodiment completes the configuration of metadata by two tables, when business object is increased and decreased by needs, just
Can increase and decrease by the way of for this business object configuration metadata.
On the basis of the metadata of configuration, metadata can be resolved by the data, services of the present invention, thus obtains
And show corresponding business object.Specifically, after metadata configurations completes, when certain user send a page display please
When asking, need on the basis of metadata is resolved, obtain concrete business datum, and return the corresponding page.
Basic process includes:
1) from the request of the page, obtain the id of the business object of request operation, the page number of display and current number of pages, send out
Go out the subscriber group information at the user place of request；
2) according to described business object id, business object is resolved；
3) according to described business object id, the data detail of business object is resolved；
4) according to above-mentioned analysis result, build data query statement, associated databases performs data query, thus obtains
Take the data that business object is corresponding.
See accompanying drawing 1, it illustrates concrete resolving:
Wherein above-mentioned steps 2 includes:
2.1) function and the filtercondition that business object provides is obtained, concrete, according to business object id, from business object
In corresponding metadata configurations table, obtain overall row filtercondition, the table name of business object or view name, business object provides
Button name, pushbutton method；
2.2) role is obtained to the function of business object and filtercondition, concrete, according to the subscriber group information of role, obtain
Take the row filtercondition of this user group, and button name, corresponding pushbutton method.
2.3) step 2.1 and 2.2 results obtained are merged, thus obtain this user can final row filtration
Condition, button name and pushbutton method.
Above-mentioned steps 3 includes:
3.1) detailed configuration information is obtained.Specifically, the data detail metadata information that business object is corresponding is obtained.
3.2) according to detailed configuration information, the default value of each field is first resolved, if default value is fixed value, the most directly
Connecing and value taken out, if default value is variable, then the method calling correspondence obtains the occurrence of variable, and is assigned to default value word
Section.
3.3) according to detailed configuration information, the range of choice of each field is resolved.For there being the field of the range of choice, obtaining
After taking the select statement of the range of choice, this statement is put in array, and record array position.Resolve in all fields
After, batch performs the select statement in array, obtains the range of choice of each field.Subsequent page can be according to array bit
Put, obtain drop-down selection content.
3.4) according to detailed configuration information, page interrogation condition is resolved.Specifically, if there being field to provide querying condition,
Then obtain field English name and the field display Name of this field, and form the two-dimensional array of a querying condition.
3.5) according to detailed configuration information, sequence is resolved.Concrete, if there being field to provide sequence, then according to this field
Name and ordering rule, form sort by.
The concrete steps of above-mentioned steps 4 include:
4.1) according to resolve obtain table or view name, row filtercondition, sort by, and the page needed for number of pages and
The line number of every page of display forms query statement, after performing this query statement, takes out data；
4.2) detailed according to resolving the data obtained, obtain the data that in table, data item is corresponding one by one, according to these data
Build and back page.
By the parsing to metadata, following data can be transmitted in backstage to foreground, and foreground is based on the following data construct page:
1) button information, including button noun, button icon, method that button is corresponding.
2) whether data managing detailed catalogue, including field English name, display Name, show, display styles, sort, select model
Enclose, whether can be sky etc..
3) available querying condition array, in array, each element includes field English name and the display name providing inquiry
Claim.
4) number of pages and every page of display line number.
5) data message, including the concrete data that each field is corresponding, i.e. the data message of display on the page.
6) range of choice, the range of choice includes multiple index, the number of the corresponding field having the range of choice of each index
Group, described array is the array acquired in above-mentioned steps 3.3.
After completing resolving, foreground uses the page to show parsing, page presentation resolving according to analysis result
Data after mainly being changed on backstage, are illustrated on the page by the way of parsing.The corresponding page of a set of page layout,
What all of data maintenance page all accessed is the same page.The page contains the analytical function of JS.The layout of data maintenance
Mainly comprise form, list, button and query page, sequentially generate in page presentation resolving, specifically comprise the following steps that
1) generation form is resolved.
The metadata of the every string generated on backstage is added in the object array of a metadata one by one, a field pair
Answer an object；For there being the field of drop-down selection, having display format attribute in its object, this attribute is relevant process letter
Several, this process function is mainly indexed by the drop-down range of choice of this field and finds the range of choice, then according to selecting model
The value enclosed obtains show value.
Based on the object array after processing with from the video data obtained with backstage, adopting form structure interface, generate table
Lattice.It addition, foundation backstage resolves the current page obtained, every page of display line number, total line number are called and constructed interface accordingly, generate table
Lattice page-turning function, and load the trigger event function of page change.
2) generation button is resolved
Button name based on backstage acquisition, the method that button icon is corresponding with button, call buttons structure interface, generate
Button.
3) generation query page is resolved
Query page is mainly made up of three parts, one be inquiry field, one be inquiry relation, finally be inquiry in
Hold.Inquiry field is based on the list of fields filling of the provided inquiry that backstage generates, and acquiescence is " not limiting ", the most all fields
Inquiry.Inquiry relation is fixing, has " comprising ", " being equal to ", " being more than ", " being less than ", acquiescence to use " comprising "；Inquiry content is
Text box.
Inquiry is containing two kinds of inquiry modes, and the when that one being to inquire about field for not limiting, inquiry content is an entirety, right
The all of field providing inquiry is retrieved according to inquiry content；Another kind is when inquiring about field and being a certain fixed field
Waiting, inquiry content can be separated with space, uses multiple queries content to retrieve simultaneously.
4) generation list is resolved
The parsing of metadata is completed by the display of list mainly in accordance with backstage, and page layout can use two fixing hurdles
Formula.Comprise the steps of
4.1) open the dialog box of forms pages, and generate an empty form；
4.2) for each field, corresponding page control is generated according to its display styles；
4.3) metadata will be converted into page elements, such as about the definition that the page is relevant: if it is yes for whether must filling out
When, corresponding page elements is arranged to readonly=true.
4.4) obtain the range of choice, i.e. for there being the range of choice, load corresponding selection model according to range of choice index
Enclose.
4.5) trigger event of linkage is loaded.
4.6) obtain the default value of each field and carry out page filling.
5) push button function
For button, the present invention mainly provides increase on the page, deletes, revises three kinds of buttons, three kinds of button correspondences
Operation consistent with common operational approach, from the page, i.e. obtain number, carry out data manipulation by major key.
In above-mentioned resolving, the subscriber group information that the present invention is directed to user role is resolved, the most actually
Also need to the authority of each user is allocated management.Authority allocation manager is mainly the configured addressable page, presses
It is allocated according to authority system, in order to fraction limits many people and uses data.See accompanying drawing 2, authority system be divided into menu, role,
User's group and data permission are controlled.
Menu management:
The system of the present invention provides three-stage menu.Wherein, first order menu is bouquet, returning of the most multiple similar traffic
Class, Level-2 menu is concrete business, the most corresponding each business, and Level-3 menu is module, the concrete mould under the most each business
Block.Module configures specifically used business object, the metadata that associated configuration is good.Material is thus formed a menu tree.So
After, on the menu tree that system is overall, can pull for the role defined, form the individual character menu tree of this role, use
On the page being illustrated in correspondence.
Role Management:
Role Management is the core of rights management, and role is not that system is customed, but can be self-defining, from
And join the role with different rights can to different user's components.Entered with menu, user's group and data permission by role
Row association, it is achieved authority is distributed.
User organizes management:
User organizes and supports static group and dynamic group both of which in management.Static group refers to the interpolation side provided by system
Method, adds from system user；Dynamic group is then by the way of configuration querying condition, draws a circle to approve use from system user dynamically
Family.User's group is by realizing control of authority with associating of role.
Data permission manages:
Data permission management is role to be associated with data permission, and data permission comprises authority and the field power of table
Limit.Wherein the authority of table comprises the increase to table, deletes, revises, inquires about and go filtration authority, and field authority comprises this table
Whether field has access rights.After arranging, play a role in metadata resolving.Form different roles to see according to authority
To different data.
In system processing procedure, after user logs in, it is necessary first to select user's group, after user organizes and selectes, it can
The menu corresponding to role that can comprise and data permission can merge display.
Seeing accompanying drawing 3, it is combined with the system overall logic frame diagram of authority, as it can be seen, the power of present system
Limiting mode is relatively-stationary, but concrete data are then based on what business determined, as there being how many menus on menu tree
Then it is based on what business determined.Based on above-mentioned logical framework, the rapid data clothes of the present invention can be built by following 5 steps
Business system,
1) determine business datum, can be existing table or attempt in data base, it is also possible to be table that is newly created or that import；
2) metadata definition of business datum is carried out；
3) it is the newly-built or selected role of user；
4) it is the newly-built or selected user's group of user and menu；
5) configuration role and user's group, menu and the relation of data permission.
Implement case: student personal data is checked and maintenance platform
In colleges and universities, it is generally the case that the related data of student leaves in multiple relevant operation system, lack one
Unified checks place, and the most multiple operation systems are the most all collecting the personal information of student, and student to tie up in multiple systems
Protect, and data exist substantial amounts of inconsistence problems.For solving this problem, need to build student personal data and check and safeguard flat
Platform, meanwhile, the business in operation system is ever-increasing, and the content that the personal information of student is collected also is constantly to adjust,
These situations bring the requirement of maintainability and extensibility to platform construction.
Using the present invention to build student personal data maintenance platform, run into during well solving platform construction can
Maintainability and the demand of extensibility.Specifically, data are divided into two classes, a class to be to need student to fill in, and then pass through data
The mode shared shares to the data that other operation systems use；One class then obtains from different business systems, for student
The unified data checked.
The graph of a relation of platform and other operation systems as shown in Figure 4, wherein, passes through between platform and other operation systems
Data sharing instrument carries out the exchange of data, and exchange is two-way, as a example by learning work system, learns deciding on awards through discussion of work system generation and appraises and chooses excellent
Data are synchronized in platform by shared instrument, and platform interior has the table of the list structure that it is identical, deposit the data synchronizing to come,
These part data only limit student and inquire about use；Meanwhile, platform interior deposits the height of the natural information of student, such as student, body
Weight, telephone number etc., this partial information will exchange to learn in work system by data sharing platform.
At platform interior, its function structure chart as it is shown in figure 5, wherein, is divided into three parts in data base, one is business number
According to metadata configurations information, two be authority configure data, three is business datum.
Being divided into four classes in module, one is metadata configurations management, has the configuration of data object and data object detail to join
Put；Equations of The Second Kind is authority configuration management, mainly have user to manage, user organizes management, Role Management, data permission management, menu
Management；3rd class is that data check generic module, is divided into according to data that student data is checked, educational administration's data are checked, all-purpose card
Data are checked, book borrowing and reading is checked, its number of modules, according to metadata and authority configuration data genaration, its module only has inquiry unit
Point, do not have additions and deletions to change button；4th class is that information makes a report on class, mainly have individual essential information to make a report on, outside school winning information make a report on,
Contact method is made a report on, employment intention is made a report on.Wherein, individual's essential information can only be revised in making a report on can not increase and delete, disappears
Breath winning information then can change with additions and deletions look into, the data of contact method be then everyone give tacit consent to mobile phone, dormitory, qq, mailbox, wherein
In addition to dormitory, can only revise, dormitory is read-only information.Employment intention is then to provide employment intention to select towards graduate, most
Information belongs to the choice box of band combobox.
Checking and safeguard in data in the page, the data permission configuration of student needs additional description, and the most each student can only
Checking and safeguard the information of oneself, it is achieved in that on the data permission of role, is realized by definition line filtercondition.?
Row filtercondition uses the variable (login ID) pre-defined, in metadata resolving, by replacing the side of variable
Method, thus reach only to take out the data of this student.
The above is only the better embodiment of the present invention, thus all according to the structure described in present patent application scope,
The equivalence that feature and principle are done changes or modifies, in the range of being all included in present patent application.
Claims (8)
1. a rapid data method of servicing, it is characterised in that the method comprises the steps:
1) each business object in metadata definition data service system is used, including the metadata information of the table of business object
With data detail metadata information；
2) when receiving the page request of user's transmission, from this page request, obtain business object id of request operation and be somebody's turn to do
The subscriber group information at user place；
3) according to described business object id, function and filtercondition that corresponding service object provides are obtained；
4) according to described subscriber group information, function and the filtercondition of this user group is obtained；
5) result acquired in combining step 3 and 4, thus obtain this user can function and filtercondition；
6) the data detail metadata information that this business object is corresponding is obtained；
7) according to described data detail metadata information, resolve the default value of each field, the range of choice, page interrogation condition and
Sequence；
8) result obtained according to step 5-7, builds data query statement, performs data query in associated databases, thus
Obtain the data that this business object is corresponding.
9) according to the metadata information of this business object, and step 5-8 obtain result and data, resolve generate form, table
List, button and query page.
Method the most according to claim 1, it is characterised in that also include organizing pipe by menu management, Role Management, user
Authority system is set up in reason and data rights management；Wherein,
Described menu management includes bouquet, concrete business and module three-stage menu, configurable specifically used business in module
Object, the metadata that associated configuration is good, thus form menu tree, character personality menu can be built on the basis of this menu tree
Tree；
Described Role Management joins the role with different rights can to different user's components, and described role can be self-defined；
Described user organizes management and includes static group and dynamic group both of which, and described static group is the interpolation side provided by system
Method, adds user's group to by system user, and described dynamic group is by the way of configuration querying condition, from system user dynamically
Delineation user, add access customer group；
The management of described data permission is role to be associated with data permission, and described data permission comprises authority and the field of table
Authority, wherein the authority of table comprises the increase to table, deletes, revises, inquires about and go filtration authority, and field authority comprises this table
Field whether have access rights.
3. according to the method described in claim 1-2 any one, it is characterised in that described parsing generates form and includes form
The metadata of every string is added in the object array of a metadata one by one, a corresponding object of field, right based on this
As the video data of array and acquisition generates form.
4. according to the method described in claim 1-3 any one, it is characterised in that described parsing generates list and includes following step
Rapid:
A) open the dialog box of forms pages, and generate an empty form；
B) for each field of list, corresponding page control is generated according to its display styles；
C) metadata will be converted into page elements about the definition that the page is relevant；
D) obtain the range of choice, i.e. for there being the field of the range of choice, load the corresponding range of choice according to range of choice index.
E) trigger event of linkage between load field.
F) obtain the default value of each field and carry out page filling.
5. a rapid data service system, it is characterised in that this system includes:
Metadata configurations module, for using each business object in metadata definition data service system, including business pair
The metadata information of the table of elephant and data detail metadata information；
Metadata parsing module, for when receiving the page request that user sends, obtains request behaviour from this page request
Business object id made and the subscriber group information at this user place；According to described business object id, obtain corresponding service object and carry
The function of confession and filtercondition；According to described subscriber group information, obtain function and the filtercondition of this user group；Merge acquisition
As a result, thus obtain this user can function and filtercondition；According to data detail metadata information, resolve each field
Default value, the range of choice, page interrogation condition and sequence；Build data query statement, associated databases performs data and looks into
Ask, thus obtain the data that this business object is corresponding.
Page presentation parsing module, for according to the metadata information of this business object, and metadata parsing module obtains
Result and data, resolve and generate form, list, button and query page.
Rapid data service system the most according to claim 5, it is characterised in that also include authority management module, this power
Limit management module includes that menu management module, Role Management module, user organize management module and data authority management module, its
In,
Described menu management module is used for managing bouquet, concrete business and module three-stage menu, can configure and specifically make in module
Business object, the metadata that associated configuration is good, thus form menu tree, role can be built on the basis of this menu tree
Property menu tree；
Described Role Management module joins the role with different rights can to different user's components, and described role can make by oneself
Justice；
Described user organizes management module and includes static group and dynamic group both of which, and described static group is by adding that system provides
Adding method, adds user's group to by system user, and described dynamic group is by the way of configuration querying condition, from system user
Draw a circle to approve user dynamically, add access customer group；
Described data permission management module is for being associated role with data permission, and described data permission comprises the authority of table
With field authority, wherein the authority of table comprises the increase to table, deletes, revises, inquires about and go filtration authority, and field authority comprises
Whether the field of this table there are access rights.
7. according to the rapid data service system described in claim 5-6 any one, it is characterised in that described parsing generates table
Lattice include adding the metadata of every for form string one by one in the object array of one metadata, field corresponding one right
As, video data based on this object data and acquisition generates form.
8. according to the rapid data service system described in claim 5-7 any one, it is characterised in that described parsing generates table
Singly comprise the following steps:
A) open the dialog box of forms pages, and generate an empty form；
B) for each field of list, corresponding page control is generated according to its display styles；
C) metadata will be converted into page elements about the definition that the page is relevant；
D) obtain the range of choice, i.e. for there being the field of the range of choice, load the corresponding range of choice according to range of choice index.
E) trigger event of linkage between load field.
F) obtain the default value of each field and carry out page filling.
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