CN115291773A - Tree structure data display method and device - Google Patents
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Abstract
The invention provides a tree structure data display method and a tree structure data display device, which are applied to a server and comprise the following steps: acquiring product information of a product corresponding to a data viewing request of a user and a tree-shaped hierarchical relation graph list corresponding to the product; determining a node corresponding to a product as a current node in each node corresponding to the tree-shaped hierarchical relationship graph list, determining each target node corresponding to the current node in each node corresponding to the tree-shaped hierarchical relationship graph list according to the obtained node information of the current node, and forming a node data list by the current node and the node information of each target node; and returning the node data list to the client so that the client displays each node information in the node data list to the user through a RecycleView component, and centrally and prominently displaying the node information of the current node. By applying the method, the user experience of viewing data through the mobile phone by the user can be improved, the memory of the mobile phone is saved, and the utilization rate of the screen of the mobile phone is improved.
Description
Technical Field
The invention relates to the field of data processing, in particular to a tree-structured data display method and device.
Background
With the rapid development of the mobile internet technology, various informationized mobile applications are more and more popular. Limited by the size of the mobile device, the information displayed by the device interface is limited. Therefore, the tree structure representation data has wide application in intelligent mobile equipment.
At present, the commonly used tree structure hierarchical diagram is displayed at a mobile terminal, and due to the limitation of the size of a screen of a mobile phone, the tree structure hierarchical diagram cannot be completely displayed, and the required data is difficult to screen, so that the user experience is influenced. If the tree structure is deep in hierarchy and more in nodes, more mobile phone resources are occupied, the performance of the mobile phone is affected, and therefore the mobile phone cannot be normally used.
Disclosure of Invention
In view of this, the present invention provides a method for displaying tree-structured data, by which a hierarchical relationship of a node in a tree structure can be clearly and clearly displayed, memory of a mobile phone is saved, and utilization rate of a mobile phone screen is improved.
The invention also provides a tree-structured data display device which is used for ensuring the realization and the application of the method in practice.
A tree structure data display method is applied to a server and comprises the following steps:
responding to a data viewing request of a user, determining a product corresponding to the data viewing request, and acquiring product information of the product and a tree-shaped hierarchical relation graph list corresponding to the product;
determining a node corresponding to the product as a current node in each node corresponding to the tree-shaped hierarchical relationship graph list according to the product information, and acquiring node information corresponding to the current node;
determining each target node corresponding to the current node in each node corresponding to the tree-shaped hierarchical relation graph list based on the node information of the current node, and acquiring the node information of each target node, wherein the node information of the current node and the node information of each target node form a node data list;
and returning the node data list to a client so that the client displays the information of each node in the node data list to the user through a RecyclView component, and meanwhile, the node information of the current node is highlighted in the center.
Optionally, in the method, determining, according to the product information, a node corresponding to the product as a current node in each node corresponding to the tree-shaped hierarchical relationship diagram list includes:
judging whether a node corresponding to the product exists in each node corresponding to the tree-shaped hierarchical relation graph list or not according to the product information of the product;
if not, ending the process of displaying the tree structure data and returning prompt information to the user;
and if so, determining the node corresponding to the product as the current node in each node corresponding to the tree-shaped hierarchical relation graph list.
Optionally, in the method, determining, in each node corresponding to the tree-like hierarchical relationship graph list, each target node corresponding to the current node based on the node information of the current node includes:
judging whether a primary child node exists in the current node or not according to the node information of the current node;
if the current node has primary child nodes, determining each primary child node corresponding to the current node as a target node;
and taking the current node as a query node, and executing the process of determining the direct father node as a target node:
the process of determining the direct parent node as the target node comprises the following steps: judging whether the query node has a father node or not according to the node information of the query node; and if the query node has a father node, determining the father node of the query node as a target node, taking the father node of the query node as a new query node, and continuing to execute the process of determining the target node until the query node does not have the father node.
A tree structure data display method is applied to a client and comprises the following steps:
receiving a node data list sent by a server, and establishing a RecycleView component;
setting an Adapter in the RecycleView component, and binding each node information in the node data list to the Adapter;
determining a node type corresponding to each node according to the node information of each node in the node data list, and calling an entry view type acquisition method in the Adapter to determine a view type corresponding to the node according to the node type corresponding to each node;
calling a view holder creating method in the Adapter to create a view holder corresponding to each view type, wherein each view holder corresponds to a preset User Interface (UI);
based on the view type corresponding to each node and the view keeper corresponding to the view type, calling a binding view keeper method in the Adapter to render the node information of the node to a UI corresponding to the view keeper, so as to display the node information of each node for a user.
Optionally, the determining, according to the node information of each node in the node data list, a node type corresponding to each node includes:
determining the product number and the father node product number of each node according to the node information of each node;
and matching the product number of the node and the product number of the father node with the product number of the current node in the node data list respectively, and determining the node type corresponding to the node according to the matching result.
A tree-structured data display device applied to a server comprises:
the system comprises an acquisition unit, a display unit and a display unit, wherein the acquisition unit is used for responding to a data viewing request of a user, determining a product corresponding to the data viewing request, and acquiring product information of the product and a tree-shaped hierarchical relation graph list corresponding to the product;
a first determining unit, configured to determine, according to the product information, a node corresponding to the product as a current node in each node corresponding to the tree-shaped hierarchical relationship graph list, and obtain node information corresponding to the current node;
a second determining unit, configured to determine, based on node information of the current node, each target node corresponding to the current node in each node corresponding to the tree-like hierarchical relationship graph list, and obtain node information of each target node, where the node information of the current node and the node information of each target node form a node data list;
and the first execution unit is used for returning the node data list to a client so that the client displays each node information in the node data list to the user through a RecyclerView component and simultaneously centrally and prominently displays the node information of the current node.
The above apparatus, optionally, the first determining unit includes:
a first judging subunit, configured to judge, according to the product information of the product, whether a node corresponding to the product exists in each node corresponding to the tree-shaped hierarchical relationship graph list;
the first execution subunit is used for ending the process of displaying the tree structure data and returning prompt information to the user if the tree structure data does not exist;
and the first determining subunit is configured to determine, if the node exists, a node corresponding to the product as a current node in each node corresponding to the tree-like hierarchical relationship graph list.
The above apparatus, optionally, the second determining unit includes:
the second judging subunit is used for judging whether the current node has a primary child node or not according to the node information of the current node;
a second determining subunit, configured to determine, if a first-level child node exists in the current node, each first-level child node corresponding to the current node as a target node;
a third determining subunit, configured to execute, with the current node as a query node, a process of determining a direct parent node as a target node:
the process of determining the direct parent node as the target node comprises the following steps: judging whether the query node has a father node or not according to the node information of the query node; and if the query node has a father node, determining the father node of the query node as a target node, taking the father node of the query node as a new query node, and continuing to execute the process of determining the target node until the query node does not have the father node.
A tree structure data display device is applied to a client and comprises:
the receiving unit is used for receiving the node data list sent by the server and establishing a RecycleView component;
the second execution unit is used for setting an Adapter in the RecycleView component and binding each piece of node information in the node data list to the Adapter;
a third determining unit, configured to determine, according to node information of each node in the node data list, a node type corresponding to each node, and call an entry view type obtaining method in the Adapter to determine, according to the node type corresponding to each node, a view type corresponding to the node;
a third execution unit, configured to invoke a view keeper creating method in the Adapter to create a view keeper corresponding to each view type, where each view keeper corresponds to a preset user interface UI;
and the fourth execution unit is used for calling a binding view keeper method in the Adapter to render the node information of the node into a UI corresponding to the view keeper based on the view type corresponding to each node and the view keeper corresponding to the view type, so as to display the node information of each node for a user.
The above apparatus, optionally, the third determining unit includes:
a fourth determining subunit, configured to determine, according to the node information of each node, a product number and a parent node product number of the node;
and the second execution subunit is used for respectively matching the product number of the node and the product number of the father node with the product number of the current node in the node data list and determining the node type corresponding to the node according to the matching result.
A storage medium, which includes stored instructions, and when the instructions are executed, controls a device on which the storage medium is located to execute the tree structure data presentation method.
An electronic device comprising a memory, and one or more instructions, wherein the one or more instructions are stored in the memory and configured to be executed by one or more processors to perform the tree structure data presentation method.
Compared with the prior art, the invention has the following advantages:
in the embodiment provided by the invention, in the process of displaying the tree-shaped structure data, the server responds to the data viewing request of the user, determines the product corresponding to the data viewing request, and acquires the product information of the product and the tree-shaped hierarchical relation graph list corresponding to the product; determining a node corresponding to the product as a current node in each node corresponding to the tree-shaped hierarchical relation graph list according to the product information, and acquiring node information corresponding to the current node; determining each target node corresponding to the current node in each node corresponding to the tree-shaped hierarchical relation graph list based on the node information of the current node, and acquiring the node information of each target node, wherein the node information of the current node and the node information of each target node form a node data list; and returning the node data list to the client so that the client displays each node information in the node data list to the user through a RecycleView component, and meanwhile, centrally and prominently displaying the node information of the current node.
By applying the embodiment provided by the invention, the hierarchical relationship of a certain node in the tree structure is clearly and clearly displayed by utilizing the advantages displayed by the RecyclerView component list and flattening the tree structure, the user experience of viewing data by a user through a mobile phone is improved, the memory of the mobile phone is saved, and the utilization rate of a mobile phone screen is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a flowchart of a method for displaying tree-structured data according to an embodiment of the present invention;
FIG. 2 is a flowchart of another method for displaying tree-structured data according to an embodiment of the present invention;
FIG. 3 is a flowchart of another method of a tree structure data displaying method according to an embodiment of the present invention;
FIG. 4 is a flowchart of another method of a tree structure data displaying method according to an embodiment of the present invention;
fig. 5 is a schematic diagram illustrating a tree hierarchical relationship diagram list of a tree structure data display method according to an embodiment of the present invention;
fig. 6 is a schematic diagram illustrating a node data list displayed by the method for displaying tree-structured data according to the embodiment of the present invention;
FIG. 7 is a diagram illustrating an apparatus of a tree-structured data display apparatus according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In this application, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions, and the terms "comprises", "comprising", or any other variation thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.
The invention is operational with numerous general purpose or special purpose computing device environments or configurations. For example: personal computers, server computers, hand-held or portable devices, tablet-type devices, multi-processor apparatus, distributed computing environments that include any of the above devices or equipment, and the like.
The embodiment of the invention provides a tree structure data display method, which can be applied to various system platforms, wherein the execution main body of the method can be a computer terminal or a processor of various mobile devices, and a flow chart of the method is shown in figure 1, and the method specifically comprises the following steps:
s101: responding to a data viewing request of a user, determining a product corresponding to the data viewing request, and acquiring product information of the product and a tree-shaped hierarchical relation graph list corresponding to the product.
In the embodiment provided by the invention, in the tree structure data, when a user wants to check certain data, the user clicks a node corresponding to the data in the tree list, namely, a product corresponding to the data checking request is determined, the network request is retransmitted, and the product information of the product and the tree hierarchical relationship graph list where the node corresponding to the product is located are obtained.
S102: and according to the product information, determining the node corresponding to the product as a current node in each node corresponding to the tree-shaped hierarchical relation graph list, and acquiring node information corresponding to the current node.
In the embodiment provided by the invention, the node corresponding to the data which the user wants to view is determined as the current node in each node corresponding to the tree-shaped hierarchical relationship graph list, or when the user clicks a certain node in the tree-shaped hierarchical relationship graph list, the clicked node is taken as the current node, and the node information of the current node is obtained from the node information of each node corresponding to the tree-shaped hierarchical relationship graph list.
Specifically, the determining, according to the product information, a node corresponding to the product as a current node in each node corresponding to the tree-shaped hierarchical relationship graph list includes:
judging whether a node corresponding to the product exists in each node corresponding to the tree-shaped hierarchical relation graph list or not according to the product information of the product; if not, ending the process of displaying the tree structure data and returning prompt information to the user; and if so, determining the node corresponding to the product as the current node in each node corresponding to the tree-shaped hierarchical relation graph list.
It can be understood that, the server side queries whether a node corresponding to the product exists in the tree-shaped hierarchical relationship diagram list according to product information of the product, for example, a product number, if the product number in the node information of a certain node in the tree-shaped hierarchical relationship diagram list matches with the product number of the product, the node corresponding to the product in the tree-shaped hierarchical relationship diagram list exists, determines that a node corresponding to the determined product in each node corresponding to the tree-shaped hierarchical relationship diagram list is a current node, and continues to execute a subsequent tree-structured data display process from S103 to S104. Otherwise, the node corresponding to the product in the tree-shaped hierarchical relation graph list does not exist, the query is finished, and the node does not exist and is notified to the client.
By applying the embodiment provided by the invention, the node corresponding to the product to be checked is determined to be the current node in the tree hierarchical relationship graph list, the hierarchical relationship corresponding to the current node can be obtained, each direct father node and each first-level child node of the current node can be conveniently obtained subsequently, if the tree hierarchical relationship graph list does not have the node corresponding to the product to be checked, the tree structure data display process is ended in time, and wrong data information is prevented from being displayed to a user.
S103: and determining each target node corresponding to the current node in each node corresponding to the tree-shaped hierarchical relation graph list based on the node information of the current node, and acquiring the node information of each target node, wherein the node information of the current node and the node information of each target node form a node data list.
In the embodiment provided by the invention, according to the node information of the current node, each direct father node corresponding to the current node and each first-level child node corresponding to the current node are determined as target nodes in each node corresponding to the tree-shaped hierarchical relation graph list, the node information of each target node is obtained, and the node information of each target node and the node information of the current node form a group of node data lists related to the current node.
Specifically, as shown in fig. 2, the determining, based on the node information of the current node, each target node corresponding to the current node in each node corresponding to the tree-shaped hierarchical relationship graph list includes:
s201: and judging whether the current node has a primary child node or not according to the node information of the current node.
If the current node has a level of child nodes, executing S202, otherwise, directly executing S203 to S205, namely executing the process of determining the direct parent node as the target node.
S202: and determining each primary child node corresponding to the current node as a target node.
S203: and taking the current node as a query node.
S204: and judging whether the query node has a father node or not according to the node information of the query node.
S205: and determining the father node of the query node as a target node, and taking the father node of the query node as a new query node.
If the query node has a parent node, executing S205, determining that the parent node of the query node is a target node, taking the parent node of the query node as a new query node, and continuing to execute the process of determining the target node until the query node has no parent node. If the query node does not have a parent node, and the query node may be a root node at this time, the process of determining the direct parent node as the target node is finished.
In the embodiment of the invention, the server side inquires the related attribute information of the node corresponding to the product according to the service requirement. And judging whether the current node is a root node, if so, inquiring all primary child nodes under the current node, and taking all the primary child nodes under the current node as target nodes. And if the current node is not the root node, continuously judging whether the current node is a leaf node. If the current node is a leaf node, all direct father nodes of the current node are inquired until the root node, and all the direct father nodes of the inquired current node are used as target nodes. If the current node is neither the root node nor the leaf node, all the first-level child nodes and the direct parent nodes under the current node are inquired until reaching the root node, and all the inquired first-level child nodes and all the direct parent nodes under the current node are used as target nodes. On one hand, the service requirement refers to information related to a tree structure, such as a product number corresponding to a current node, a product number corresponding to a parent node, and a product number list corresponding to a child node; on the other hand, the service parameters may be the amount of the blank money, the issuing time, the party to make a commitment and pay, the source of the amount, the service platform, etc. when the product is a blank.
Specifically, the specific implementation manner of determining each target node corresponding to the current node in the tree-shaped hierarchical relationship diagram list is as follows:
and reversely inquiring the father node, firstly, adding a new node sequence List List < String > node List = new ArrayList < > (), adding the current node object into the List node List. And finally, taking all the primary child node lists (belonging to the primary child nodes of the current node if the parentNodeCode of the node is the current node number) through the current node number, and adding each primary child node of the current node to the tail of the list through a node list.
By applying the embodiment provided by the invention, all the first-level child nodes and all the direct father nodes of the current node are determined as the target nodes, the node information of all the target nodes is formed into the node data list to be returned to the client, the node information and the hierarchical relationship of the first-level child nodes and all the direct father nodes of the current node in the tree structure can be orderly acquired, and an ordered node data list is returned to the client.
S104: and returning the node data list to a client so that the client displays each node information in the node data list to the user through a RecycleView component and meanwhile highlights the node information of the current node in the middle.
In the embodiment provided by the invention, the server side assembles the inquired current node and node information of the child node and the father node related to the current node into an order list and returns the order list to the client side through the interface. After the client acquires the node data list related to the current node, the information of each node in the node data list is displayed through the RecycleView, and the high-cost findViewById () method is avoided from being repeatedly created and executed by utilizing the recovery mechanism of the RecycleView component and the Viewholder multiplexing logic of the RecycleView component. Meanwhile, the current node is highlighted in the middle, so that a user can quickly position the upper and lower hierarchical relation of the current node in the tree structure, and which nodes are child nodes and which nodes are father nodes.
In the embodiment provided by the invention, in the process of displaying the tree-shaped structure data, the server responds to the data viewing request of the user, determines the product corresponding to the data viewing request, and acquires the product information of the product and the tree-shaped hierarchical relation graph list corresponding to the product; determining a node corresponding to the product as a current node in each node corresponding to the tree-shaped hierarchical relation graph list according to the product information, and acquiring node information corresponding to the current node; determining each target node corresponding to the current node in each node corresponding to the tree-shaped hierarchical relation graph list based on the node information of the current node, and acquiring the node information of each target node, wherein the node information of the current node and the node information of each target node form a node data list; and returning the node data list to the client so that the client displays each node information in the node data list to the user through a RecyclView component, and meanwhile, centrally and prominently displaying the node information of the current node.
By applying the embodiment provided by the invention, the hierarchical relationship of a certain node in the tree structure is clearly and clearly displayed by utilizing the advantages displayed by the RecyclerView component list and flattening the tree structure, the user experience of viewing data by a user through a mobile phone is improved, the memory of the mobile phone is saved, and the utilization rate of a mobile phone screen is improved.
An embodiment of the present invention further provides a tree structure data display method, as shown in fig. 3, applied to a client, including:
s301: and receiving a node data list sent by the server side, and establishing a RecycleView component.
S302: and setting an Adapter in the RecycleView component, and binding each node information in the node data list to the Adapter.
Specifically, after the client acquires a node data list related to the current node, a RecycleView component is newly built, an Adapter corresponding to the RecycleView is set, a setData () method of the Adapter is called, and the data list is bound. RecyclerView is a common component used by the mobile terminal to expose lists, while Adapter is a bridge for Adapter, data and view interfacing. RecyclerView can be bridged with Adapter by the recyclerView setAdapter method.
S303: and determining a node type corresponding to each node according to the node information of each node in the node data list, and calling an entry view type acquisition method in the Adapter to determine a view type corresponding to the node according to the node type corresponding to each node.
Specifically, according to the node information of each node in the node data list and the node information of the current node transmitted by the server, the node type corresponding to each node may be determined, and based on the node type corresponding to each node, the entry view type obtaining method getItemViewType (int position) in the adapter is rewritten, and according to the node information of the node corresponding to the position information and the node type of the node, the view type viewType corresponding to the node is determined.
S304: and calling a view holder creating method in the Adapter to create a view holder corresponding to each view type, wherein each view holder corresponds to a preset User Interface (UI).
Specifically, by creating a view holder method onCreateViewHolder (@ NonNullViewGroup parent, int viewType), according to the node type viewType corresponding to each node, returning to the view holder viewHolder corresponding to the node, and binding different preset user interfaces UI by different viewHolders.
S305: based on the view type corresponding to each node and the view keeper corresponding to the view type, calling a binding view keeper method in the Adapter to render the node information of the node to a UI corresponding to the view keeper, so as to display the node information of each node for a user.
Specifically, by means of an Adapter's binding view holder method onbindview holder (@ NonNull view holder, int position), according to a view type corresponding to a node corresponding to the position information and a view holder object corresponding to the view type, rendering list data of each item in the node data list to a UI corresponding to its corresponding view holder, so as to display node information of each node related to the current node to a user. The current node can be highlighted in the middle, so that a user can quickly position the upper and lower hierarchical relation of the current node in the tree structure, and which nodes are child nodes and parent nodes.
By applying the embodiment provided by the invention, the node data list is displayed through the RecyclerView component, and the view lookup method with high cost is avoided from being repeatedly created and executed by utilizing the recovery multiplexing mechanism of the RecyclerView component and the Viewholder multiplexing logic thereof, so that the execution performance of the mobile phone can be improved, and the use fluency of the mobile phone is increased.
In the embodiment provided by the present invention, optionally, the determining a node type corresponding to each node according to the node information of each node in the node data list includes:
determining the product number and the father node product number of each node according to the node information of each node;
and matching the product number of the node and the product number of the father node with the product number of the current node in the node data list respectively, and determining the node type corresponding to the node according to the matching result.
In the embodiment provided by the invention, the data transmitted by the server side comprises the node information of the current node needing to be highlighted and the node information of each direct father node and each first-level child node corresponding to the current node. Determining the node type corresponding to each node according to the node attribute in the node information of each node in the node data list and the hierarchy of the node, wherein the specific differentiation logic is as follows: each node comprises two key attributes which are a product number and a product number of a father node, and each node can be divided into the following types according to the matching of the two attributes and the product number of the current node:
the type 1 is that the node is a root node, is not a father node, is a current node and has no child node;
type 6, that is, the node is not a root node, not a father node, is a current node, and has a child node;
type 7, i.e., the node is not a root node, not a parent node, not a current node, is a child node, not a last child node;
type 8, that is, the node is not a root node, is not a parent node, is not a current node, is a child node, and is a last child node;
type 9, i.e., the node is an otherwise unknown node.
By applying the embodiment provided by the invention, the node type corresponding to the product is determined according to the product number and the father node product number in the product information, so that the method is beneficial to rendering a corresponding user interface for each node type subsequently, and the node information of each node is displayed to a user more clearly and hierarchically.
In an embodiment provided by the present invention, the product may be a white bar, in accounts payable of supply chain finance, there are multiple layers of circulation and splitting actions, and the actions are directly converted into a soft entity called a white bar, and a single white bar has multiple stages, including: the system comprises a plurality of companies, a plurality of information processing systems and a plurality of information processing systems, wherein the companies store the change mechanism of the circulation state of the commodities in a tree structure, and realize the unified display and management of the whole life cycle of the commodities circulation. In the project, the whole hierarchical relation graph of the current circulation state and the circulation thereof is required to be extended for one white bar. As shown in fig. 4, the specific operation steps of obtaining the whole node data list of the current flow where the white bar is located and the flow state of the node data list according to the current white bar number and the tree-level relationship graph list corresponding to the white bar include:
(1) click white bar number: the user clicks on the blank bar number.
(2) Sending a network request: the client sends a network request and transmits the blank bar number to the server.
(3) Whether or not there is a white bar: the server side verifies whether the current white bar exists.
(4) And (5) finishing the query: if not, finishing the query, returning to the absence and informing the client.
(5) Inquiring the node attribute: if the information exists, inquiring the self related attribute information of the white bar according to the service requirement.
(6) Whether it is a root node: it is determined whether it is a root node.
(7) Querying a primary child node: and if the node is the root node, inquiring all the primary child nodes under the current node.
(8) Whether it is a leaf node: if not, judging whether the node is a leaf node.
(9) Querying a relevant parent node: if the node is a leaf node, all direct father nodes of the current node are inquired until the root node.
The sub node and the parent node related to the query in the (r): if the current node is not the root node or the leaf node, all the first-level child nodes and the direct father nodes under the current node are inquired until the root node.
For example, a user needs to check that the number of the white bar is BT00009, according to the number of the white bar of the current node, the client sends a network request to the server, the server queries the tree hierarchy relationship graph list where the white bar is located as shown in fig. 5, and queries the node information of each direct father node corresponding to the node and the node information of each first-level child node of the node according to the node information corresponding to the white bar, so as to obtain a group of node data lists related to the current white bar as shown in fig. 6, and returns the node data lists to the mobile terminal through an interface.
After acquiring list data related to the current node, the client displays the list through a RecycleView, and the specific implementation mode is as follows: creating a RecycleView, setting a corresponding Adapter, calling a setData () method of the Adapter, binding a data list, sequentially displaying a node data list from top to bottom from a root node, rewriting a getItemViewType (int position) in the Adapter, taking each node object in the node data list according to position information, and performing hierarchical type distinguishing on the node according to node attribute information corresponding to the current position so as to return to the viewType corresponding to each node. Then, different viewholders are returned according to different viewtypes by an onCreateViewHolder (@ NonNullViewGroup parent, int viewType) method, and the different viewHolders bind different UIs. And finally, taking different ViewHolder objects through onBindViewholder (@ non null ViewHolder holder, int position), performing UI rendering on the list data of each item in the node data list, and simultaneously performing centered highlighting on the current node.
The invention designs and develops a scheme for displaying a tree structure data list in a mobile terminal. The method aims to utilize the advantages of list display, reduce the number of rendering nodes and clearly display the hierarchical relation of a certain node in a tree structure by flattening the tree structure data, so that the optimized display scheme of the tree structure data at a mobile terminal is achieved, the memory resource of a mobile phone is saved, and the utilization rate of a mobile phone screen is improved.
In addition, the scheme converts a huge tree structure diagram into a vertical structure data list related to the current node, avoids drawing the whole tree structure diagram, and utilizes a recycling mechanism of RecyclerView to better display the data list, thereby improving the execution performance of the mobile phone and increasing the smoothness of the use of the mobile phone.
The specific implementation procedures and derivatives thereof of the above embodiments are within the scope of the present invention.
Corresponding to the method described in fig. 1, an embodiment of the present invention further provides a tree structure data display apparatus, which is used for implementing the method in fig. 1 specifically, the tree structure data display apparatus provided in the embodiment of the present invention may be applied to a computer terminal or various mobile devices, and a schematic structural diagram of the tree structure data display apparatus is shown in fig. 7, and specifically includes:
an obtaining unit 701, configured to determine, in response to a data viewing request of a user, a product corresponding to the data viewing request, and obtain product information of the product and a tree hierarchy relationship graph list corresponding to the product;
a first determining unit 702, configured to determine, according to the product information, a node corresponding to the product as a current node in each node corresponding to the tree-shaped hierarchical relationship graph list, and obtain node information corresponding to the current node;
a second determining unit 703, configured to determine, based on the node information of the current node, each target node corresponding to the current node in each node corresponding to the tree-shaped hierarchical relationship graph list, and obtain node information of each target node, where the node information of the current node and the node information of each target node form a node data list;
the first executing unit 704 is configured to return the node data list to a client, so that the client displays each node information in the node data list to the user through a recyclview component, and meanwhile centrally highlights the node information of the current node.
The embodiment of the invention provides a tree structure data display device, wherein an acquisition unit responds to a data viewing request of a user, determines a product corresponding to the data viewing request, and acquires product information of the product and a tree hierarchy relation graph list corresponding to the product; then, according to the product information, a first determining unit determines a node corresponding to the product as a current node in each node corresponding to the tree-shaped hierarchical relation graph list, and acquires node information corresponding to the current node; then, a second determining unit determines each target node corresponding to the current node in each node corresponding to the tree-shaped hierarchical relation graph list based on the node information of the current node, and acquires the node information of each target node, wherein the node information of the current node and the node information of each target node form a node data list; and finally, returning the node data list to the client by the first execution unit so that the client displays each node information in the node data list to a user through a RecycleView component and simultaneously centrally and prominently displays the node information of the current node.
By applying the device provided by the embodiment of the invention, the hierarchical relationship of a certain node in the tree structure is clearly and clearly displayed by utilizing the advantage of displaying the RecycleView component list and flattening the tree structure, so that the user experience of checking data through a mobile phone is improved, meanwhile, the memory of the mobile phone is saved, and the utilization rate of a mobile phone screen is improved.
The foregoing apparatus, optionally, the first determining unit 702 includes:
a first judging subunit, configured to judge, according to the product information of the product, whether a node corresponding to the product exists in each node corresponding to the tree-shaped hierarchical relationship graph list;
the first execution subunit is used for ending the process of displaying the tree structure data and returning prompt information to the user if the tree structure data does not exist;
and the first determining subunit is configured to determine, if the node exists, a node corresponding to the product as a current node in each node corresponding to the tree-like hierarchical relationship graph list.
The above apparatus, optionally, the second determining unit 703 includes:
the second judging subunit is used for judging whether the current node has a primary child node or not according to the node information of the current node;
the second determining subunit is used for determining each primary sub-node corresponding to the current node as a target node if the current node has primary sub-nodes;
a third determining subunit, configured to execute, with the current node as a query node, a process of determining a direct parent node as a target node:
the process of determining the direct parent node as the target node comprises the following steps: judging whether the query node has a father node or not according to the node information of the query node; and if the query node has a father node, determining the father node of the query node as a target node, taking the father node of the query node as a new query node, and continuing to execute the process of determining the target node until the query node does not have the father node.
The embodiment of the present invention further provides a tree structure data display device, which is applied to a client, and includes:
the receiving unit is used for receiving the node data list sent by the server and establishing a RecyclerView component;
the second execution unit is used for setting an Adapter in the RecycleView component and binding each piece of node information in the node data list to the Adapter;
a third determining unit, configured to determine, according to node information of each node in the node data list, a node type corresponding to each node, and call an entry view type obtaining method in the Adapter to determine, according to the node type corresponding to each node, a view type corresponding to the node;
a third execution unit, configured to invoke a view keeper creating method in the Adapter to create a view keeper corresponding to each view type, where each view keeper corresponds to a preset user interface UI;
and the fourth execution unit is used for calling a binding view keeper method in the Adapter to render the node information of the node into a UI corresponding to the view keeper based on the view type corresponding to each node and the view keeper corresponding to the view type, so as to display the node information of each node for a user.
The above apparatus, optionally, the third determining unit includes:
a fourth determining subunit, configured to determine, according to node information of each node, a product number and a parent node product number of the node;
and the second execution subunit is used for respectively matching the product number of the node and the product number of the father node with the product number of the current node in the node data list and determining the node type corresponding to the node according to the matching result.
The specific working processes of each unit and sub-unit in the tree structure data display apparatus disclosed in the embodiment of the present invention may refer to corresponding contents in the tree structure data display method disclosed in the embodiment of the present invention, and are not described herein again.
The embodiment of the invention also provides a storage medium, which comprises a stored instruction, wherein when the instruction runs, the equipment where the storage medium is located is controlled to execute the tree structure data display method.
An electronic device is provided in an embodiment of the present invention, and the structural diagram of the electronic device is shown in fig. 8, which specifically includes a memory 801 and one or more instructions 802, where the one or more instructions 802 are stored in the memory 801 and configured to be executed by the one or more processors 803 to perform the following operations:
responding to a data viewing request of a user, determining a product corresponding to the data viewing request, and acquiring product information of the product and a tree-shaped hierarchical relation graph list corresponding to the product;
determining a node corresponding to the product as a current node in each node corresponding to the tree-shaped hierarchical relationship graph list according to the product information, and acquiring node information corresponding to the current node;
determining each target node corresponding to the current node in each node corresponding to the tree-shaped hierarchical relationship graph list based on the node information of the current node, and acquiring the node information of each target node, wherein the node information of the current node and the node information of each target node form a node data list;
and returning the node data list to a client so that the client displays the information of each node in the node data list to the user through a RecyclView component, and meanwhile, the node information of the current node is highlighted in the center.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, the system or system embodiments are substantially similar to the method embodiments and therefore are described in a relatively simple manner, and reference may be made to some of the descriptions of the method embodiments for related points. The above-described system and system embodiments are only illustrative, wherein the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Those of skill would further appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both.
To clearly illustrate this interchangeability of hardware and software, various illustrative components and steps have been described above generally in terms of their functionality. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the technical solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A tree structure data display method is applied to a server side and comprises the following steps:
responding to a data viewing request of a user, determining a product corresponding to the data viewing request, and acquiring product information of the product and a tree-shaped hierarchical relation graph list corresponding to the product;
determining a node corresponding to the product as a current node in each node corresponding to the tree-shaped hierarchical relationship graph list according to the product information, and acquiring node information corresponding to the current node;
determining each target node corresponding to the current node in each node corresponding to the tree-shaped hierarchical relationship graph list based on the node information of the current node, and acquiring the node information of each target node, wherein the node information of the current node and the node information of each target node form a node data list;
and returning the node data list to a client so that the client displays each node information in the node data list to the user through a RecycleView component and meanwhile highlights the node information of the current node in the middle.
2. The method according to claim 1, wherein determining, according to the product information, a node corresponding to the product as a current node in each node corresponding to the tree-based hierarchical relationship graph list includes:
judging whether a node corresponding to the product exists in each node corresponding to the tree-shaped hierarchical relation graph list or not according to the product information of the product;
if not, ending the process of displaying the tree structure data and returning prompt information to the user;
and if so, determining the node corresponding to the product as the current node in each node corresponding to the tree-shaped hierarchical relation graph list.
3. The method according to claim 1, wherein the determining, based on the node information of the current node, each target node corresponding to the current node in each node corresponding to the tree-like hierarchical relationship graph list includes:
judging whether a primary child node exists in the current node or not according to the node information of the current node;
if the current node has primary child nodes, determining each primary child node corresponding to the current node as a target node;
and taking the current node as a query node, and executing the process of determining the direct father node as a target node:
the process of determining the direct parent node as the target node comprises the following steps: judging whether the query node has a father node or not according to the node information of the query node; and if the query node has a father node, determining the father node of the query node as a target node, taking the father node of the query node as a new query node, and continuously executing the process of determining the target node until the query node does not have the father node.
4. A tree structure data display method is applied to a client and comprises the following steps:
receiving a node data list sent by a server, and establishing a RecycleView component;
setting an Adapter in the RecycleView component, and binding each node information in the node data list to the Adapter;
determining a node type corresponding to each node according to the node information of each node in the node data list, and calling an entry view type acquisition method in the Adapter to determine a view type corresponding to the node according to the node type corresponding to each node;
calling a view holder creating method in the Adapter to create a view holder corresponding to each view type, wherein each view holder corresponds to a preset User Interface (UI);
based on the view type corresponding to each node and the view keeper corresponding to the view type, calling a binding view keeper method in the Adapter to render the node information of the node into a UI corresponding to the view keeper, so as to display the node information of each node for a user.
5. The method according to claim 4, wherein the determining a node type corresponding to each node according to the node information of each node in the node data list comprises:
determining the product number and the father node product number of each node according to the node information of each node;
and respectively matching the product number of the node and the product number of the father node with the product number of the current node in the node data list, and determining the node type corresponding to the node according to the matching result.
6. A tree-structured data display device, applied to a server, includes:
the system comprises an acquisition unit, a display unit and a display unit, wherein the acquisition unit is used for responding to a data viewing request of a user, determining a product corresponding to the data viewing request, and acquiring product information of the product and a tree-shaped hierarchical relation graph list corresponding to the product;
a first determining unit, configured to determine, according to the product information, a node corresponding to the product as a current node in each node corresponding to the tree-shaped hierarchical relationship graph list, and obtain node information corresponding to the current node;
a second determining unit, configured to determine, based on node information of the current node, each target node corresponding to the current node in each node corresponding to the tree-shaped hierarchical relationship graph list, and obtain node information of each target node, where the node information of the current node and the node information of each target node form a node data list;
and the first execution unit is used for returning the node data list to a client so that the client displays each node information in the node data list to the user through a RecycleView component and simultaneously centrally and prominently displays the node information of the current node.
7. The apparatus of claim 6, wherein the first determining unit comprises:
a first judging subunit, configured to judge, according to the product information of the product, whether a node corresponding to the product exists in each node corresponding to the tree-shaped hierarchical relationship graph list;
the first execution subunit is used for ending the process of displaying the tree structure data and returning prompt information to the user if the tree structure data does not exist;
and the first determining subunit is configured to determine, if the node exists, a node corresponding to the product as a current node in each node corresponding to the tree-like hierarchical relationship graph list.
8. The apparatus of claim 6, wherein the second determining unit comprises:
the second judging subunit is used for judging whether the current node has a primary child node or not according to the node information of the current node;
a second determining subunit, configured to determine, if a first-level child node exists in the current node, each first-level child node corresponding to the current node as a target node;
a third determining subunit, configured to execute a process of determining a direct parent node as a target node with the current node as a query node:
the process of determining the direct parent node as the target node comprises the following steps: judging whether the query node has a father node or not according to the node information of the query node; and if the query node has a father node, determining the father node of the query node as a target node, taking the father node of the query node as a new query node, and continuing to execute the process of determining the target node until the query node does not have the father node.
9. A tree structure data presentation device is applied to a client, and comprises:
the receiving unit is used for receiving the node data list sent by the server and establishing a RecyclerView component;
the second execution unit is used for setting an Adapter in the RecycleView component and binding each piece of node information in the node data list to the Adapter;
a third determining unit, configured to determine, according to node information of each node in the node data list, a node type corresponding to each node, and call an entry view type obtaining method in the Adapter to determine, according to the node type corresponding to each node, a view type corresponding to the node;
a third execution unit, configured to invoke a view keeper creating method in the Adapter to create a view keeper corresponding to each view type, where each view keeper corresponds to a preset user interface UI;
and the fourth execution unit is used for calling a binding view keeper method in the Adapter to render the node information of the node into a UI corresponding to the view keeper based on the view type corresponding to each node and the view keeper corresponding to the view type, so as to display the node information of each node for a user.
10. The apparatus of claim 9, wherein the third determining unit comprises:
a fourth determining subunit, configured to determine, according to node information of each node, a product number and a parent node product number of the node;
and the second execution subunit is used for respectively matching the product number of the node and the product number of the father node with the product number of the current node in the node data list and determining the node type corresponding to the node according to the matching result.
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