CN102413137A - Data access method and device - Google Patents
Data access method and device Download PDFInfo
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- CN102413137A CN102413137A CN201110372362XA CN201110372362A CN102413137A CN 102413137 A CN102413137 A CN 102413137A CN 201110372362X A CN201110372362X A CN 201110372362XA CN 201110372362 A CN201110372362 A CN 201110372362A CN 102413137 A CN102413137 A CN 102413137A
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Abstract
The invention provides a data access method and device for a geographic information system. The data access method comprises the following steps of: receiving an access request of a regional user for geographic information data of a working unit, wherein the access request carries the user name of the regional user; the regional user has different access authorities for at least two of a plurality of working units; and the access authorities are set according to regions and the working units; and supplying the operation of accessing geographic information data of the working unit, requested by the regional user, to the regional user according to the user name and the access authority of the regional user. By the invention, requirements under the conventional regionalization and planning conditions are met, and security access to the geographic information data and clear division of geographic information data management authorities are realized.
Description
Technical field
The application relates to the geographical information technology field, particularly relates to a kind of data access method and device of GIS-Geographic Information System.
Background technology
GIS (Geographic Information System; GIS-Geographic Information System) being is the basis with the geospatial database; Under the support of computer software and hardware; The theory of utilization system engineering and information science, scientific management and analysis-by-synthesis have the geodata of space intension, so that the technological system of information needed such as management, decision-making to be provided.
Soil and water conservation regionalization is the importance that GIS-Geographic Information System is used.Soil and water conservation regionalization is on the basis of analysis-by-synthesis different regions soil erosion incidence and development evolutionary process and Regional Distribution rule; Principle basis and relevant index according to zoning; Divide corrosion area into differ from one another block according to similitude in the district and interval otherness,, point out zones of different agricultural production and soil and water conservation direction to illustrate the soil erosion comprehensive characteristics; Approach and principle, and directly serve land use planning and water and soil conservation.
At present, in national soil and water conservation regionalization, the whole nation is divided into 8 one-level districts, 41 secondary districts, and 41 secondarys are distinguished 7 basin mechanisms of dispensing and are carried out the tertiary area division.There is the range of management of oneself in each basin, draws scope with tertiary area, and range of management and the stack of zoning scope form minimum operation unit.With zoning shown in Figure 1 is example; Fig. 1 shows seven operation units that tertiary area is drawn of three zoning scopes formation of 3 basin mechanisms and correspondence; Be Zhujiang River basin mechanism, Yangtze river basin mechanism and Huanghe valley mechanism (wherein; Solid line is a range of management, and dotted line is the zoning scope) cutting formation, seven operation units of from one to seven.No matter basin mechanism is to range of management or the zoning scope all has different management functions and administration authority; At present when the geographic information data of magnanimity is managed; Authority is not clearly divided; The subregion is not considered in rights management yet, just managed according to single function.After user's login, which function is enough which functions of only restriction ability can not use.Therefore, existing geographic information data management and visit can not be satisfied the demand under the national soil and water conservation regionalization situation, and have caused the dangerous of geographic information data visit, and the division of geographic information data administration authority is unintelligible.Similarly, also there is same problem under other zoning or the planning situation.
Summary of the invention
The application's technical problem to be solved provides a kind of data access method and device of GIS-Geographic Information System; Can not satisfy existing zoning and planning to solve existing geographic information data management and visit; Demand under the situation of especially national soil and water conservation regionalization and planning; Geographic information data is visited dangerous and the geographic information data administration authority is divided unsharp problem.
In order to address the above problem; The application discloses a kind of data access method; Comprise: the receiving area user is to the access request of the geographic information data of an operation unit; Carry said regional user's user name in the said access request, said regional user has different access rights at least two operation units in a plurality of operation units, and said access rights are according to zone and operation unit setting; According to said regional user's user name and said regional user's access rights, the accessing operation of geographic information data of the operation unit of its request is provided for said regional user.
Preferably; Said according to said regional user's user name and said regional user's access rights; Provide the step of accessing operation of geographic information data of the operation unit of its request to comprise for said regional user:, judge whether said regional user has the authority that the operation unit to its request conducts interviews according to said regional user's user name; If have,, the accessing operation of geographic information data of the operation unit of its request is provided for said regional user then according to said regional user's access rights.
Preferably; Said access rights according to said regional user; Provide the step of accessing operation of geographic information data of the operation unit of its request to comprise for said regional user:, the operation that the geographic information data of the operation unit of its request is met its access rights is provided for said regional user according to said regional user's access rights.
Preferably; Said user name according to said regional user; Judge that the step whether said regional user has an authority that the operation unit to its request conducts interviews comprises: the user code that server receives that client sends corresponding to said regional user's user name; With the operation unit sign indicating number corresponding to the operation unit that said regional user asked, said server judges according to said user code and said operation unit sign indicating number whether said regional user has the authority that the operation unit to its request conducts interviews.
Preferably, said regional user's access rights with the database stored in form in the GIS-Geographic Information System server.
In order to address the above problem; Disclosed herein as well is a kind of DAA; Comprise: receiver module, be used for the access request of receiving area user to the geographic information data of an operation unit, carry said regional user's user name in the said access request; Said regional user has different access rights at least two operation units in a plurality of operation units, and said access rights are according to zone and operation unit setting; Access modules is used for according to said regional user's user name and said regional user's access rights, and the accessing operation of geographic information data of the operation unit of its request is provided for said regional user.
Preferably, said access modules comprises: first judge module, be used for user name according to said regional user, and judge whether said regional user has the authority that the operation unit to its request conducts interviews; Executive Module; Be used for having the authority that the operation unit to its request conducts interviews if said first judge module is judged said regional user; Then according to said regional user's access rights, the accessing operation of geographic information data of the operation unit of its request is provided for said regional user.
Preferably; Said Executive Module is used for having the authority that the operation unit to its request conducts interviews if said first judge module is judged said regional user; Then according to said regional user's access rights, the operation that the geographic information data of the operation unit of its request is met its access rights is provided for said regional user.
Preferably; Said first judge module is arranged at server end; Be used to receive that client sends corresponding to the user code of said regional user's user name; With the operation unit sign indicating number corresponding to the operation unit that said regional user asked, said server judges according to said user code and said operation unit sign indicating number whether said regional user has the authority that the operation unit to its request conducts interviews.
Preferably, said regional user's access rights with the database stored in form in the GIS-Geographic Information System server.
Compared with prior art, the application has the following advantages:
The application, has only this operation unit is had certain access rights through for regional user the access rights to the different work unit being set when regional user conducts interviews to an operation unit, just can carry out corresponding accessing operation.In GIS-Geographic Information System, to different users should be arranged, different regional extents is arranged, the different operation type is arranged.Through the application, solved prior art according to simple function management and operation magnanimity geographic information data, cause and can not satisfy existing zoning and planning; Demand under the situation of especially national soil and water conservation regionalization and planning, geographic information data are visited dangerous and the geographic information data administration authority is divided unsharp problem; After having realized that the user lands; For different regional extents the different operation authority is arranged, carry out the purpose of different access operation, and then satisfied the demand under at present existing zoning and the planning situation; The secure access of geographic information data and the clear division of geographic information data administration authority have been realized.
Description of drawings
Fig. 1 is the sketch map according to a kind of soil and water conservation regionalization of prior art;
Fig. 2 is the flow chart of steps according to a kind of data access method of the application embodiment one;
Fig. 3 is the flow chart of steps according to a kind of data access method of the application embodiment two;
Fig. 4 is the flow chart of steps according to a kind of data access method of the application embodiment three;
Fig. 5 is the structured flowchart according to a kind of DAA of the application embodiment four.
Embodiment
For above-mentioned purpose, the feature and advantage that make the application can be more obviously understandable, the application is done further detailed explanation below in conjunction with accompanying drawing and embodiment.
Embodiment one
With reference to Fig. 2, show flow chart of steps according to a kind of data access method of the application embodiment one.
The data access method of present embodiment is applicable to GIS-Geographic Information System, may further comprise the steps:
Step S102: the receiving area user is to the access request of the geographic information data of an operation unit.
Wherein, The zone is meant the geographical area under one's jurisdiction scope on certain border; Like a basin, a province, a city, a county etc. is a zone, and operation unit is meant the Minimum Area scope with single visit data authority, and zoning is meant the area dividing of carrying out according to specific purpose.
In this step, server receiving area user's access request carries regional user's user name in the said access request.
And a regional user has different access rights at least two operation units in a plurality of operation units, and access rights are according to zone and operation unit setting.For example, in soil and water conservation regionalization shown in Figure 1, Zhujiang River basin user has typing and revises authority operation unit one, operation unit two is only had the authority of checking, and operation unit three is had no access rights.
Step S104:, the accessing operation of geographic information data of the operation unit of its request is provided for regional user according to regional user's user name and regional user's access rights.
Server is confirmed the access rights of this zone user on the operation unit of its request after receiving regional user's access request, and according to its access rights corresponding accessing operation is provided, like typing, revise, check etc.
Through present embodiment, for regional user is provided with the access rights to the different work unit, when regional user conducts interviews to an operation unit; Have only this operation unit is had certain access rights, just can carry out corresponding accessing operation, solved prior art according to simple function management and operation magnanimity geographic information data; Cause the demand that can not satisfy under the national soil and water conservation regionalization situation, geographic information data is visited dangerous and the geographic information data administration authority is divided unsharp problem; After having realized that the user lands; For different regional extents the different operation authority is arranged, carry out the purpose of different access operation, and then satisfied the demand under the present national soil and water conservation regionalization situation; The secure access of geographic information data and the clear division of geographic information data administration authority have been realized.
Embodiment two
With reference to Fig. 3, show flow chart of steps according to a kind of data access method of the application embodiment two.
The data access method of present embodiment is applicable to GIS-Geographic Information System, may further comprise the steps:
Step S202:, the access rights of visit different work unit are set for the zones of different user according to zone and operation unit.
In the present embodiment, be set with two regional users and be designated as respectively: user A, user B; There are three operation units to be designated as respectively: operation unit A, operation unit B, operation unit C; The corresponding 3 kinds of operations of each operation unit are designated as respectively: operation A, operation B, operation C.
For user A and B operation to the different work unit:
User A---operation unit A---operation A, operation B;
---operation unit B---operates C;
---operation unit C---operation A, operation C;
User B---operation unit A---operation B, operation C;
---operation unit B---operation A, operation C;
---operation unit C---operation A, operation B, operation C.
Step S204:, make up user authority management table and storage according to the access rights that are provided with.
In the present embodiment, the user authority management table of structure is following:
| User name | The operation unit name | The operation name |
| User A | Operation unit A | Operation A |
| User A | Operation unit A | Operation B |
| User A | Operation unit B | Operation C |
| User A | Operation unit C | Operation A |
| User A | Operation unit C | Operation C |
| User B | Operation unit A | Operation B |
| User B | Operation unit A | Operation C |
| User B | Operation unit B | Operation A |
| User B | Operation unit B | Operation C |
| User B | Operation unit C | Operation A |
| User B | Operation unit C | Operation B |
| User B | Operation unit C | Operation C |
Need to prove that rights management is provided with situation and is not limited to represent with above-mentioned form that other appropriate format all can arbitrarily.The user authority management table preferably with the database stored in form on the server of GIS-Geographic Information System, database has larger data memory capacity, and search efficiency is high.Certainly, being provided with of user authority management can also be provided with according to actual conditions by those skilled in the art flexibly, as representing with document form and store that the application does not limit this.
Step S206: server receives the access request of a regional user to an operation unit.
In the present embodiment, set user A request access operation unit A, carry out operation A and operation C.
Step S208: server detects the user name of login user.
In the present embodiment, server detects whether user A is validated user.That is, whether store the user name of user A in the server.As storing the user name of user A and B in the server, then user A and B are validated user, conduct interviews if user C requires to land, then landing and visiting because of the relevant information refusing user's C that do not have user C in the server.
Step S210: server detects the user and asks the operation unit visiting and operate.
That is, server detects the operation unit whether this user can visit its request according to user's user name.With the present embodiment is example, and user A can access operation unit A, among the B, C any one, if but also have an operation unit D, then user A can not conduct interviews to it.Through regional user's user name, server can efficiently obtain this user's access rights apace.
Step S212; Server detects user's accessing operation, searches and judges whether this user has the authority of this accessing operation, if having execution in step S214; If do not have execution in step S216.
In the present embodiment, user A request is carried out operation A and operation C to operation unit A, and is visible from the user authority management table, and user A only can carry out operation A and operation B to operation unit A, and can not operate C.Therefore, server will receive the operation A of user A to operation unit A, and refusal operation C.Only the accessing operation that meets its authority is provided, can have also guaranteed the fail safe of validated user visit geographic information data on the other hand effectively for the user provides qualified service on the one hand the user.
Step S214: server confirms that the user has the authority of accessing operation, allows the operation unit of its request is carried out corresponding accessing operation.
Step S216: server confirms that the user does not have the authority of accessing operation, carries out the lack of competence prompting and refuses this accessing operation.
Present embodiment is applied to each zone and has in the existing zoning of the operation unit that oneself range of management and tertiary area draw scope; The restriction different user there is the different operation authority to extend to different users the different operation authority is arranged in the operation unit of different zoning scopes, has realized only checking in the operation unit in the zoning scope that basic data, applied analysis basic data, tertiary area draw; Only make a report on basic data in the operation unit within a governance context, revise basic data; In range of management and operation unit that the zoning scope overlaps, can carry out above-mentioned all operations, effectively satisfied the rights management requirement of existing zoning and planning, improved the fail safe of geographic information data visit.
Embodiment three
With reference to Fig. 4, show flow chart of steps according to a kind of data access method of the application embodiment three.
In the present embodiment, divide example into the soil and water conservation region, as shown in Figure 1, wherein, the boundary that solid line is divided is three draiage divides of Zhujiang River basin, the Yangtze river basin and the Huanghe valley, belongs to compass of competency.The boundary that dotted line is divided belongs to the zoning scope of distributing to three basins.Particularly, A distributes to Zhujiang River basin, and B distributes to the Huanghe valley, and C distributes to the Yangtze river basin, and the twice dotted line marks off one to seven i.e. seven operation units in totally seven zones altogether.To this division; The access rights of the different zonings of visit are set for different basin users; As, set when logining with Zhujiang River basin, the first, the 6th operation unit is had accessing operation authorities such as modification to basic data, typing, inquiry; The operation that data query and tertiary area are drawn can only be carried out to second operation unit, then any operation can not be carried out other zone.
Under these conditions, the data access method of present embodiment may further comprise the steps:
Step S302: basin user login, system log (SYSLOG) login name.
In the present embodiment, log on as example with Zhujiang River basin user.After this user's login, GIS-Geographic Information System (specifically can be a server) writes down the login name of this basin user login, i.e. basin user's user name.
Step S304: when the basin user has operation, the scope of system's detecting operation.
For example, user's requesting query soil in Zhujiang River basin utilizes information slip, and which county what then GIS-Geographic Information System can detect Zhujiang River basin user inquiring is, belongs to which operation unit, as belongs to first operation unit.
Step S306: user code and operation unit sign indicating number are sent to server authentication.
In the present embodiment; GIS-Geographic Information System will be corresponding to the user code of basin user's user name; Send on the server that stores user right information with operation unit sign indicating number and to verify corresponding to this basin user's solicit operation operation unit; Confirm at first whether this basin user is validated user, and whether this operation unit is legal operation unit.
In the present embodiment, set checking and pass through.
Step S308: judge whether to allow this basin user's operation, if, execution in step S310; If not, execution in step S312.
After having confirmed that basin user and operation unit are all legal,, confirm whether this basin user has the authority of this operation unit being carried out institute's requested operation according to the user right information of storing on the server.
In the present embodiment, set and allow operation, get into step S310.
Step S310: basin user institute requested operation obtains to allow, and operates accordingly.
In the present embodiment, the soil that the inquiry of Zhujiang River basin belongs to first operation unit utilizes information slip.
Step S312: do not allow basin user institute requested operation, system prompt also withdraws from this operation.
Through present embodiment, effectively satisfied the rights management requirement of national soil and water conservation regionalization, improved the fail safe of geographic information data visit, under the situation that can satisfy user's instructions for use, protected user's data not to be illegally accessed and operated.
Embodiment four
With reference to Fig. 5, show structured flowchart according to a kind of DAA of the application embodiment four.
The DAA of present embodiment is applicable to GIS-Geographic Information System; Comprise: receiver module 402; Be used for the access request of receiving area user to the geographic information data of an operation unit; Carry regional user's user name in the said access request, regional user has different access rights at least two operation units in a plurality of operation units, and said access rights are according to zone and operation unit setting; Access modules 404 is used for according to regional user's user name and regional user's access rights, and the accessing operation of geographic information data of the operation unit of its request is provided for regional user.
Preferably, access modules 404 comprises: first judge module 4042, be used for user name according to regional user, and judge whether regional user has the authority that the operation unit to its request conducts interviews; Executive Module 4044; Be used for having the authority that the operation unit to its request conducts interviews if first judge module 4042 is judged regional users; Then according to regional user's access rights, the accessing operation of geographic information data of the operation unit of its request is provided for regional user.
Preferably; Executive Module 4044 is used for having the authority that the operation unit to its request conducts interviews if first judge module 4042 is judged regional users; Then according to regional user's access rights, the operation that the geographic information data of the operation unit of its request is met its access rights is provided for regional user.
Preferably; First judge module 4042 is arranged at server end; Be used to receive that client sends corresponding to the user code of regional user's user name; With operation unit sign indicating number, judge according to user code and operation unit sign indicating number whether regional user has the authority that the operation unit to its request conducts interviews corresponding to the operation unit that regional user asked.
Preferably, regional user's access rights with the database stored in form in the GIS-Geographic Information System server.
The DAA of present embodiment is used to realize the data access method of preceding method embodiment, and has the beneficial effect of correlation method embodiment, repeats no more at this.
Divide example into the soil and water conservation region, in the national soil and water conservation regionalization, task delegation is given seven basin mechanisms, and there is the range of management of oneself in each basin.Through the application embodiment, the data that has realized each watershed management scope belong to the basin all, can revise or upgrade the data in the own compass of competency, carry out zoning to seven basins of 41 secondarys differentiation dispensings; So there is to one's name the scope of administration in each basin, also have the scope that do not belong to administration but one's own zoning scope, if not compass of competency but need the scope of zoning; Can inquire about data; Carry out zoning, but can not upgrade and the modification basic data, other zoning can not be visited.Through this different accessing operation authority of zones of different restriction had both been satisfied job requirement flexibly, and can protect user data again to greatest extent not by illegal use.But be not limited thereto, the application's scheme is applicable to the situation of other similar zoning and planning too, and those skilled in the art can realize the data access under the similar zoning situation with reference to a plurality of embodiment among the application, and the application does not limit this.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.For device embodiment, because it is similar basically with method embodiment, so description is fairly simple, relevant part gets final product referring to the part explanation of method embodiment.
More than a kind of data access method and device that the application provided have been carried out detailed introduction; Used concrete example among this paper the application's principle and execution mode are set forth, the explanation of above embodiment just is used to help to understand the application's method and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to the application's thought, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as the restriction to the application.
Claims (10)
1. a data access method is characterized in that, comprising:
The receiving area user is to the access request of the geographic information data of an operation unit; Carry said regional user's user name in the said access request; Said regional user has different access rights at least two operation units in a plurality of operation units, and said access rights are according to zone and operation unit setting;
According to said regional user's user name and said regional user's access rights, the accessing operation of geographic information data of the operation unit of its request is provided for said regional user.
2. method according to claim 1; It is characterized in that; Said according to said regional user's user name and said regional user's access rights, provide the step of accessing operation of geographic information data of the operation unit of its request to comprise for said regional user:
According to said regional user's user name, judge whether said regional user has the authority that the operation unit to its request conducts interviews;
If have,, the accessing operation of geographic information data of the operation unit of its request is provided for said regional user then according to said regional user's access rights.
3. method according to claim 2 is characterized in that, said access rights according to said regional user provide the step of accessing operation of geographic information data of the operation unit of its request to comprise for said regional user:
According to said regional user's access rights, the operation that the geographic information data of the operation unit of its request is met its access rights is provided for said regional user.
4. method according to claim 2 is characterized in that, said user name according to said regional user judges that the step whether said regional user has an authority that the operation unit to its request conducts interviews comprises:
The user code that server receives that client sends corresponding to said regional user's user name; With the operation unit sign indicating number corresponding to the operation unit that said regional user asked, said server judges according to said user code and said operation unit sign indicating number whether said regional user has the authority that the operation unit to its request conducts interviews.
5. method according to claim 1 is characterized in that, said regional user's access rights with the database stored in form in the GIS-Geographic Information System server.
6. a DAA is characterized in that, comprising:
Receiver module; Be used for the access request of receiving area user to the geographic information data of an operation unit; Carry said regional user's user name in the said access request; Said regional user has different access rights at least two operation units in a plurality of operation units, and said access rights are according to zone and operation unit setting;
Access modules is used for according to said regional user's user name and said regional user's access rights, and the accessing operation of geographic information data of the operation unit of its request is provided for said regional user.
7. device according to claim 6 is characterized in that, said access modules comprises:
First judge module is used for the user name according to said regional user, judges whether said regional user has the authority that the operation unit to its request conducts interviews;
Executive Module; Be used for having the authority that the operation unit to its request conducts interviews if said first judge module is judged said regional user; Then according to said regional user's access rights, the accessing operation of geographic information data of the operation unit of its request is provided for said regional user.
8. device according to claim 7; It is characterized in that; Said Executive Module is used for having the authority that the operation unit to its request conducts interviews if said first judge module is judged said regional user; Then according to said regional user's access rights, the operation that the geographic information data of the operation unit of its request is met its access rights is provided for said regional user.
9. device according to claim 7; It is characterized in that; Said first judge module is arranged at server end; Be used to receive that client sends corresponding to the user code of said regional user's user name with corresponding to the operation unit sign indicating number of the operation unit that said regional user asked, said server judges according to said user code and said operation unit sign indicating number whether said regional user has the authority that the operation unit to its request conducts interviews.
10. device according to claim 6 is characterized in that, said regional user's access rights with the database stored in form in the GIS-Geographic Information System server.
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| CN201110372362.XA CN102413137B (en) | 2011-11-21 | 2011-11-21 | Data access method and device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104966027A (en) * | 2015-06-09 | 2015-10-07 | 北京农业信息技术研究中心 | Data access control method and apparatus |
| CN105183751A (en) * | 2015-07-13 | 2015-12-23 | 深信服网络科技（深圳）有限公司 | Database access method and database access device |
| CN115661292A (en) * | 2022-10-24 | 2023-01-31 | 武汉兆格信息技术有限公司 | Plotting method, plotting apparatus, electronic device, storage medium, and computer program product |
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| CN1728038A (en) * | 2004-07-30 | 2006-02-01 | 耶德托存取公司 | Method of providing rights data objects |
| CN101582769A (en) * | 2009-07-03 | 2009-11-18 | 杭州华三通信技术有限公司 | Authority setting method of user access network and equipment |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104966027A (en) * | 2015-06-09 | 2015-10-07 | 北京农业信息技术研究中心 | Data access control method and apparatus |
| CN105183751A (en) * | 2015-07-13 | 2015-12-23 | 深信服网络科技（深圳）有限公司 | Database access method and database access device |
| CN115661292A (en) * | 2022-10-24 | 2023-01-31 | 武汉兆格信息技术有限公司 | Plotting method, plotting apparatus, electronic device, storage medium, and computer program product |
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| CN102413137B (en) | 2014-10-08 |
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