CN101408877A - System and method for loading tree node - Google Patents
System and method for loading tree node Download PDFInfo
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- CN101408877A CN101408877A CNA2007101631612A CN200710163161A CN101408877A CN 101408877 A CN101408877 A CN 101408877A CN A2007101631612 A CNA2007101631612 A CN A2007101631612A CN 200710163161 A CN200710163161 A CN 200710163161A CN 101408877 A CN101408877 A CN 101408877A
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Abstract
The invention discloses a tree node loading system and a method thereof and is applicable to a client end and a server end. In the invention, firstly, an identifier (id) and a type of a current clicked node of a tree object are obtained, and then a data container is initiated so as to store the data acquired from the appointed data source position of the server end in the data container. The identifier and the type of the current clicked node are transmitted to the appointed data source of the server end, therefore, an appointed data source is inquired and all sub-node data in the next layer of the current clicked node are obtained. A value is assigned to the attribute of the tree object in virtue of the acquired data, so as to load all sub-nodes in the next layer of the current clicked node.
Description
Technical field
The present invention relates to by loading tree node to obtain the method for corresponding data, particularly relate to a kind ofly under the framework based on client-server end (client-server), client loads the system and the method thereof of the tree node with huge node amount from server end.
Background technology
Usually, a lot of projects have the navigation tree function, to realize interface operation and navigation purposes.But because the tree node amount that comprises of some project is huge, for example node is ten hundreds of or more, therefore adopts known technology when the data of disposable all tree nodes of loading of server end, can cause data acquisition and transmission pressure to server.And, existing under the situation of a large amount of tree nodes, the whole node datas of disposable loading also can cause the load time long, and then cause user's stand-by period longer.Therefore, the above-mentioned tree node loading method of known technology exists that efficient is low, page display speed is slow and tree is handled inflexible problem.
In addition, when clicking some tree node when planning, in customer terminal webpage, can't be engaged in other operation from the server end loading data.Known technology can not be realized user's parallel work-flow when loading tree node, therefore have the problem that lacks friendly interface.
Summary of the invention
The object of the present invention is to provide a kind of tree node loading system and method thereof, the on-load pressure of server end when having a large amount of tree node with reduction, and then the loading efficiency of raising tree node solve the problem that exists in the above-mentioned known technology.
To achieve these goals, the invention provides a kind of tree node loading system, be applied to a client and a server end, comprise an attribute acquisition module, an initialization module, an enquiry module, a transport module and a load-on module; At this, the attribute acquisition module is according to the identifier (id) and the type (type) of the current clicked node of the tree object acquisition tree object of an instantiation, initialization module initialization one data capsule is to specify this data capsule to obtain the data source position of data according to current clicked node.Enquiry module is inquired about this specific data source according to the identifier and the type of current clicked node, to obtain all son node number certificates of one deck under the current clicked node.Transport module is used for transmitting the identifier of current clicked node and type to server end specific data source from client, and transmits and obtain son node number according to the data capsule of client.Load-on module utilizes the son node number of obtaining in the data capsule to carry out assignment according to the attribute to the tree object, to load all child nodes of one deck under the current clicked node.
Tree node loading system of the present invention also comprises a display module, display module utilizes special symbol separating between each node that loads child node and between the attribute of each node, forming the node data that loads child node is a character string, and adopt display format to handle this character string, load child node to show.
Tree node loading system of the present invention also comprises an authority processing module, obtains current clicked node authority according to identifier, to offer enquiry module according to current clicked node authority, identifier and type inquiry specific data source.
Tree node loading system of the present invention also comprises a parallel processing module, is used in client executing one parallel work-flow, and then handles other operation at current clicked node when server end obtains all son node number certificates of one deck under it.
A kind of tree node loading method provided by the present invention is applied to a client and a server end, and the method comprises following steps: instantiation one tree object, and the identifier (id) and the type (type) of the current clicked node of acquisition tree object; Initialization one data capsule, with the deposit data that will obtain from the specific data source position of server end in data capsule; After treating that the initialization data container is finished, transmit the identifier of current clicked node and type specific data source to server end from client; According to the identifier and the type of current clicked node, inquiry specific data source is to obtain all son node number certificates of one deck under the current clicked node; Transmission is obtained son node number according to the data capsule of client; And utilize the son node number of obtaining in the data capsule to carry out assignment according to attribute to the tree object, to load all child nodes of one deck under the current clicked node.
The present invention sets whole node datas of object by the non-once loading, but takes dispersion treatment at a certain node that needs, and only loads all son node number certificates of current clicked next level of node.Therefore, not only reduced the data load pressure of server end, can also make the data presentation speed of tree node improve, reduced period of reservation of number, and then satisfy the user and browse demand in time, fast.
In addition, the present invention handles by the authority that increases current clicked node, and with the data query conditions as server end, screening does not have the data of authority, and then can further alleviate the pressure that server obtains data.
The present invention under the huge situation of tree node amount, obtain son node number according to the time, can make the user in the page, carry out other operation simultaneously, therefore friendly user interface can be provided.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
Fig. 1 is the system block diagrams of the tree node loading system of one embodiment of the invention;
Fig. 2 and Fig. 3 are the flow chart of steps of tree node loading method of the present invention; And
Fig. 4 is that tree node of the present invention loads the process flow diagram of operating parallel processing with other.
Wherein, Reference numeral:
10 clients
12 attribute acquisition modules
14 initialization modules
16 data capsules
18 transport modules
20 server ends
22 authority processing modules
24 enquiry modules
26 load-on modules
28 display modules
Step 102 instantiation tree object
Step 104 obtains clicked node identifier (id) and type (type)
Step 106 initialization one tree node data capsule, with the deposit data that will obtain from the specific data source position in data capsule
Step 108 is transmitted node identifier and the type specific data source to server end in client
Step 110 is obtained clicked node authority content according to the node identifier
Step 112 is judged user right
But step 210 action button
Step 214 background server is handled operation requests
Embodiment
Please refer to Fig. 1, represented the tree node loading system of one embodiment of the invention among the figure, be applied to a client 10 and a server end 20.
As shown in Figure 1, this system includes attribute acquisition module 12, initialization module 14, transport module 18, enquiry module 24 and load-on module 26.Attribute acquisition module 12 is from the identifier (id) and type (type) attribute of its current clicked tree node of instantiation tree object acquisition, initialization module 14 is used for initialization one data capsule 16, and wherein data capsule 16 is used to hold the tree node data of obtaining from server end 20.By initialization data container 16, can be in conjunction with current clicked node identifier (id) and type (type), specific data container 16 obtains the data source position of data.
Operation is handled with the database that server end 20 is provided in the specific data source of transport module 18 from the id of the clicked node of client 10 transmission and type to server end 20.The code form of for example realizing aforesaid operations is as follows:
Data capsule .URL=" point to the concrete position .do (for example an embodiment uses the mode of taking strust) of data source? nodetype="+type+" ﹠amp; Nodeuuid="+id information;
Data capsule .reset ();
The enquiry module 24 of server end 20 is used for according to the identifier of current clicked node and type inquiry specific data source, to obtain all son node number certificates of one deck under the current clicked node.Enquiry module 24 is at first judged according to the tree node type of transmitting from client 10, search the data of corresponding id according to type in the database in specific data source.The data that enquiry module 24 returns to client 10 are to comprise 5 numerical value that separate determinant attribute with special character of tree object.
In this embodiment, tree node loading system of the present invention also comprises an authority processing module 22.Authority processing module 22 is obtained the authority that is used for current clicked node that is stored among the session, to offer enquiry module 24 as the querying condition that obtains data according to the id that transport module 18 transmits.
Therefore, except database according to the id of current clicked node and type retrieval specific data source, with all son node number of following one deck of obtaining current clicked node according to outside, enquiry module 24 also needs to make judgment processing according to the authority content that authority processing module 22 transmits, and then according to this condition the data of inquiry is done further Screening Treatment.For the different situation of authority, the data of then obtaining also should be different.
The qualified data content that enquiry module 24 will retrieve returns to transport module 18, by transport module 18 return data is being passed in the data capsule 16.Data capsule 16 is used to hold the data of tree object properties correspondence as the level of an intermediateness.Load-on module 26 is used for initialization tree object, from data capsule 16, take out and the corresponding son node number certificate of tree object properties, and put into the array that is used for the tree initialization data, and then to the tree object attribute carry out assignment and initialization operation, to load all child nodes of one deck under the current clicked node.
As shown in Figure 1, the tree node loading system of present embodiment can also comprise a display module 28.Display module 28 is after the attribute information that gets access to the child node demonstration that can guarantee current clicked node, utilize special symbol separating between each node of all loading child nodes and between the attribute of each node, forming the node data that loads child node is a character string.And the employing display format, for example the html mode is handled this character string, so that pass through this node data of network delivery, and then shows whole child nodes of its next level in conjunction with the node data of current clicked node.
In addition, the present invention can also comprise a parallel processing module (not showing among Fig. 1), be used for carrying out a parallel work-flow, and then obtain it down in all son node number certificates of one deck from server end 20, handle other operation at current clicked node in client 10.For example the user obtains to server end 20 in the process of node corresponding data after clicking certain node, can for example increase, delete, revise, search etc. so that the user carries out other operation simultaneously in the page.Therefore, user's service efficiency can be improved, the dirigibility and the user-friendliness of system can also be improved.
Now please refer to Fig. 2 and Fig. 3 again, be shown as the flow chart of steps of tree node loading method of the present invention among the figure.
As shown in the figure, tree node loading method of the present invention comprises following steps: at first object (step 102) is set in instantiation one, obtains the identifier (id) and type (type) attribute (step 104) of the current clicked node of tree object then.Then, initialization one data capsule is to be ready to hold the node data that obtains from server end.By the initialization data container, can be in conjunction with current clicked node identifier (id) and type (type), with the deposit data that will obtain from the specific data source position that is arranged in server end in this data capsule (step 106).
Code form about given server end data source is for example following:
Data capsule .URL=" point to the concrete position .do (for example an embodiment uses the mode of taking strust) of data source? nodetype="+type+" ﹠amp; Nodeuuid="+id information;
Data capsule .reset ();
By the data source of specific data container, simultaneously with querying condition: the type of clicked node and id pass to the background server end, and then can make things convenient for the processing operation of database.
Then, operation is handled with the database that server end is provided in the specific data source (step 108) need be from the id of the clicked node of client transmissions and type to server end.
Before id and type querying server client database, can also comprise an authority determining step, with as the querying condition that obtains data according to clicked node.For example, the id according to client is transmitted obtains the authority content (step 110) that is used for current clicked node that is stored among the session, and judges user right (step 112) according to the authority content that obtains.If do not have this user right, then return lack of competence information (step 128), and can further on the interface, point out the user not have this node authority (130).If there is user right, then search the database information (step 114) in specific data source according to querying condition.Querying condition is except when outside the id and type of preceding clicked node, also comprise the user node authority.Therefore, for all son node number certificates of following one deck of the current clicked node that obtains according to the id of current clicked node and type, need do further Screening Treatment to the data of inquiry according to the authority condition.For the different situation of authority, the also corresponding difference of the data of then obtaining.
In identifier and type inquiry specific data source according to current clicked node, with all son node number of obtaining one deck under the current clicked node according to the time, at first judge, in the database in specific data source, search the data of corresponding id according to type according to the tree node type.For example, according to the querying condition that passes over, the code of promptly carrying out aforesaid operations behind type and the id is as follows:
If (type is " A ")
{
Database search category-A type node, the id according to present node removes to obtain corresponding data (inside comprises abnormality processing) simultaneously
Obtain return data.
return″success″；
}
Else if (type is " B ")
{
... .... // be equal to top code process.
}
Then, return the corresponding data capsule (step 118) of searching data to client according to the return value.Here, the data that return to client are to comprise 5 numerical value that separate determinant attribute with special character of tree object.
Client is after receiving return data, then object is set in initialization, from data capsule, take out and the corresponding son node number certificate of tree object properties, and put into the array that is used for the tree initialization data, and then to the tree object attribute carry out assignment and initialization operation, to load all child nodes (step 120) of one deck under the current clicked node.
At last, can the child node that load be shown on the interface by display process.Concrete steps are as follows: at first, after the attribute information that gets access to the child node demonstration that can guarantee current clicked node, utilize special symbol separating between each node of all loading child nodes and between the attribute of each node, forming the node data that loads child node is a character string (step 122).And adopt display format to handle this character string (step 124), here, display format is the html mode for example, and then shows whole child nodes (step 126) of its next level in conjunction with the node data of current clicked node.For the html mode, then show node with form web page.
It is pointed out that current clicked node of the present invention can be a root node, also can be the child node under the root node.Corresponding root node, the page initially is shown as root node, currently whether is comprised child node by node and is determined by its attribute haschild.If clicked node comprises child node, then id by transmitting this node and type obtain the respective nodes data to server end, load then and show its child node of one deck down; If this node does not comprise child node, then do not carry out above-mentioned logical operation.After lower floor's child node of current clicked node shows,, then carry out above-mentioned steps equally, to show all child nodes of this node lower floor if continue to click a wherein child node.
In addition, the present invention can also be implemented in current clicked node when server end obtains the son node number certificate, in client executing one parallel work-flow, to handle the step of other operation.
As shown in Figure 4, as mentioning in the above-mentioned tree node loading method step, after the user clicks a certain tree node (step 200), can transmit the type of this tree node and identifier to server end (step 202), and then obtain respective nodes data (step 204) from server end.And load in client and to obtain data (step 206), return next individual layer child node (step 208) of this tree node then.Under the huge situation of tree node amount, obtain corresponding data to server end and may exist the regular hour to postpone.Therefore, the user can utilize this time delay to carry out other operation simultaneously in the page, operation and the irrelevant button (button) of tree.But for example start action button (step 210), carry out operations (step 212) such as for example increasing, delete, revise, search then.Background server carries out respective handling (step 214) according to user's operation requests, and operating result is returned give user's (step 216).
Can finish push-botton operation fetching in the time of node data like this.The Parallel Implementation of above-mentioned node and operation is not done other and is handled, and belongs to a kind of mode that web displaying is supported, as long as other button does not mask in the process that tree is fetched data, then can do the operation of button click.
The present invention can be huge at tree node amount in some project (crossing ten thousand even 100,000), but exist loading velocity slow, lack problems such as dynamic operation and interface friendly, the tree node loading system and a method thereof that can solve dynamic and improve the node loading velocity is provided.The present invention is by reducing the pressure of service end, and the obtain manner that changes data is realized load operation.Simultaneously this implementation has very strong compatibility and extendability, can be applied in, the demanding a lot of projects of efficient big to the tree node demand.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (10)
1, a kind of tree node loading system is applied to a client and a server end, it is characterized in that this system comprises:
One attribute acquisition module, according to the tree object acquisition of an instantiation should the tree object the identifier and the type of current clicked node;
One initialization module, initialization one data capsule is to specify this data capsule to obtain the data source position of data according to this current clicked node;
One enquiry module is inquired about this specific data source according to the identifier and the type of this current clicked node, to obtain all son node number certificates of one deck under this current clicked node;
One transport module is used for transmitting the identifier of this current clicked node and type to this specific data source of this server end from this client, and transmits this and obtain son node number according to this data capsule of this client; And
One load-on module utilizes in this data capsule this to obtain son node number and carries out assignment according to the attribute to this tree object, to load all child nodes of one deck under this current clicked node.
2, tree node loading system according to claim 1, it is characterized in that, also comprise a display module, utilize special symbol separating between each node of this loading child node and between the attribute of each node, the node data of forming this loading child node is a character string, and adopt display format to handle this character string, to show this loading child node.
3, tree node loading system according to claim 1, it is characterized in that, also comprise an authority processing module, obtain this current clicked node authority according to this identifier, inquire about this specific data source according to this current clicked node authority, identifier and type to offer this enquiry module.
4, tree node loading system according to claim 1, it is characterized in that, also comprise a parallel processing module, be used in one parallel work-flow of this client executing, and then when this server end obtains all son node number certificates of one deck under it, handle other operation at this current clicked node.
5, a kind of tree node loading method is applied to a client and a server end, it is characterized in that the method includes the steps of:
Object is set in instantiation one, and obtains the identifier (id) and the type (type) of the current clicked node of this tree object;
Initialization one data capsule, with the deposit data that will obtain from the specific data source position of this server end in this data capsule;
Transmit the identifier of this current clicked node and type this specific data source from this client to this server end;
According to the identifier and the type of this current clicked node, inquire about this specific data source, to obtain all son node number certificates of one deck under this current clicked node;
Transmit this and obtain son node number according to this data capsule of this client; And
Utilize in this data capsule this to obtain son node number and carry out assignment, to load all child nodes of one deck under this current clicked node according to attribute to this tree object.
6, tree node loading method according to claim 5 is characterized in that, also comprises the step that shows this loading child node.
7, tree node loading method according to claim 6 is characterized in that, this step that shows this loading child node comprises:
Utilizing special symbol separating between each node of this loading child node and between the attribute of each node, is a character string with the node data of forming this loading child node; And
Adopt display format to handle this character string, to show this loading child node.
8, tree node loading method according to claim 7 is characterized in that, this display format is the html mode, to show this loading child node by form web page.
9, tree node loading method according to claim 5 is characterized in that, is somebody's turn to do the step of inquiring about this specific data source according to the identifier and the type of this current clicked node, also comprises:
Obtain this current clicked node authority according to this identifier; And
Inquire about this specific data source according to this current clicked node authority, identifier and type, to obtain all son node number certificates of one deck under this current clicked node.
10, tree node loading method according to claim 5, it is characterized in that, also be included in the step of this client executing one parallel work-flow, when this server end obtains all son node number certificates of one deck under it, to handle other operation at this current clicked node.
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| CN2007101631612A CN101408877B (en) | 2007-10-10 | 2007-10-10 | System and method for loading tree node |
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| CN2007101631612A CN101408877B (en) | 2007-10-10 | 2007-10-10 | System and method for loading tree node |
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| CN102411575A (en) * | 2010-09-21 | 2012-04-11 | 北京大学 | Method and system for displaying webpage, and server |
| CN102999608A (en) * | 2012-11-21 | 2013-03-27 | 用友软件股份有限公司 | System and method for tree table demonstration of large data |
| CN104298670A (en) * | 2013-07-16 | 2015-01-21 | 腾讯科技（北京）有限公司 | Method and device for layer and grade type data reading |
| CN104346350A (en) * | 2013-07-26 | 2015-02-11 | 南京中兴力维软件有限公司 | Method and system for inquiring tree node of asynchronous tree |
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