CN108388464A - A kind of superior classification search method based on Local hydrodynamic unit - Google Patents
A kind of superior classification search method based on Local hydrodynamic unit Download PDFInfo
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Abstract
The superior classification search method based on Local hydrodynamic unit that the present invention relates to a kind of, the label of commodity superior classification is erasable by the session progress in python, it can store to mulching method, multiple label search and replacement thus may be implemented, rather than do not retrieve alternatively once, the search result of disaggregated classification condition is generated with multiclass session and original commercial articles searching does an intersection operation, and result is fed back into identical front end, the front end page of feedback and front end page before are one, it is only local to go to change retrieval result and corresponding label is shown.
Description
Technical field
The superior classification search method based on Local hydrodynamic unit that the present invention relates to a kind of, belongs to field of computer technology.
Background technology
With the development of the times, the improvement of people's living standards, people's shopping way are also changed.Online purchase now
Object has become a kind of fashion, and compared with traditional shopping way, shopping online has many benefits, for example, it is convenient, fast, type is neat
Entirely, time saving and energy saving.In order to provide the user with better experience, the good superior classification retrieval module of an excellent performance just has
Its existing value and significance.
Currently, most of the realization of the superior classification retrieval module of generally existing is operated in multiple pages, without
It is Local hydrodynamic unit, they can create different search interfaces according to different search conditions, and in searching database already
The label of classification is added, the waste of resource and memory can be caused in this way, and multiple pages is needed constantly to do switching, when
When the tag class of classification is especially more, this will expend a great deal of time construction displaying interface.Therefore, a function module is complete
Kind, the superior classification algorithm based on Local hydrodynamic unit just has its existing value and significance.
Invention content
In view of the deficiencies of the prior art, the superior classification search method based on Local hydrodynamic unit that the present invention provides a kind of；
The present invention is similar to the superior classification retrieval on present mainstream shopping website, using self-designed based on part brush
New superior classification searching algorithm devises a multiclass classification search function module.User can go to sieve according to different labels
The product for selecting oneself to need, such as the brand of air-conditioning has a Gree, beautiful etc., for another example say that the efficiency of air-conditioning has level-one, two level
Deng the setting of air-conditioning has cabinet-type, wall-mounted etc., can both have been screened according to a kind of labeling, also supports a variety of
Label is used in conjunction with screening, this greatly improves the performance of system.And Local hydrodynamic unit this feature whether to
The usage experience at family is promoted or system effectiveness promotes the help having largely.
The technical scheme is that：
A kind of superior classification search method based on Local hydrodynamic unit, including：
(1) the superior classification label of automatic business processing programmed acquisition commodity is utilized, and is stored in database；The database packet
Include user data table, commodity data table, user's commodity association table；User data table includes the essential information of user, the base of user
This information includes the name of user, phone, mailbox, identification card number；In commodity data table comprising the titles of commodity, price, sales volume,
Evaluation score, purchase link, three tag along sorts；User's commodity association table includes the major key information of user and commodity；Three categories
Label refer to the Commercial goods labels extracted from all kinds of merchandise newss, and for every class I goods, it all can be different, such as ice
Case product, its label will be door-opening mode, refrigeration modes and efficiency grade；And for if TV, its label is then
Can be size, clarity and efficiency grade.The major key information of user and commodity is exactly to distinguish user and commodity only
One indication information, each user, each commodity have oneself unique major key information.
(2) initialize the value in superior classification label in corresponding session, i.e., it will be corresponding in superior classification label
Value in session is set as empty；I.e.：Session is used to store the required attribute of specific user's session and configuration information, when
When one session is activated for the first time, a unique mark is stored in local cookie, is created in session
Three classes label is built, and three classes label initial value is disposed as sky.
(3) general search function is monitored, the superior classification label of all commodity is obtained in search process；
(4) monitoring users are clicked, and when clicking some commodity that step (3) obtains, obtain the superior classification mark of the commodity
The value a in corresponding session is signed, and feeds back to rear end；The superior classification mark for using the post methods of HTTP to click user
Label pass to backstage.
(5) judge whether the value in session corresponding with the superior classification label that step (4) listens to is empty, if
It is to enter step (7), otherwise, enters step (6)；
(6) value in the corresponding session of the superior classification label listened to step (4) is replaced with into a；A refers to leading to
Cross the incoming value of the post methods of HTTP.
(7) according in all session condition and big search classification construct search result, the condition in session
It refer to the three classes label created in session in step (2)；Big search classification refers to：It is carried out according to the title of commodity
Search, the no careful classification of the search enumerate all products for belonging to the title.
According to currently preferred, the step (1) utilizes the superior classification mark of automatic business processing programmed acquisition commodity
Label, including：
A, the tag along sort of commodity on Jingdone district, Taobao website is crawled using the Python scapy reptiles constructed；
B, classification processing is carried out to the tag along sort of the step A commodity crawled, acquires the superior classification label of commodity.Ensure
Each superior classification label to commodity is all unique；Superior classification label is exactly the more special label of commodity, they
It is most important in the attribute of such commodity, the just energy efficiency index of such as air-conditioning, setting, with the labels of other commodity
It is different.
The present invention by the label of commodity superior classification by session in python carry out it is erasable, can mulching method
Ground stores, and multiple label search and replacement thus may be implemented, rather than do not retrieve alternatively once, uses multiclass
Session generates the search result of disaggregated classification condition and original commercial articles searching does an intersection operation, and result is fed back to
Identical front end, the front end page of feedback and front end page before are one, only local to go to change retrieval result and phase
The label answered is shown.
According to currently preferred, the step (2), three classes label is created in session, refers to：Pass through HTTP's
Post methods are constantly passed to new parameter, are judging which class label the parameter belong to and corresponding session is written from the background.
In this way, when user redirects between the Web page of application program, the variable being stored in session will not
It loses, but is always existed down in entire user conversation.When user asks the Web page from application program, if
There are no sessions, then Web server will automatically create a session object by the user.After session is expired or is abandoned, clothes
Business device will terminate the session.
According to currently preferred, the step (3), general search function is monitored, all quotient are obtained in search process
The superior classification label of product, by the commodity title obtained in snoop procedure, by the height of such commodity in the database
Grade tag along sort is found out, and the superior classification label of such commodity is showed user in front-end interface.User is facilitated to select
Select more subclass purpose commodity.
Beneficial effects of the present invention are：
1, search speed is improved using query set caching mechanism；
2, local change retrieval result and corresponding label are shown, do not need multiple front-end interface responses；
3, keyword parameter can be packaged using Q functions, to preferably apply multiple queries.
Description of the drawings
Fig. 1 is the flow diagram of superior classification search method of the present invention；
Fig. 2 is the result schematic diagram searched for using prior art algorithm；
Fig. 3 is the result schematic diagram using superior classification search method of the present invention；
Fig. 4 is 65 English that use the LeEco brand of superior classification search method of the present invention realization flat panel TV, ultra high-definition
The effect diagram of the superior classification retrieval of very little commodity.
Specific implementation mode
The present invention is further qualified with embodiment with reference to the accompanying drawings of the specification, but not limited to this.
Embodiment 1
A kind of superior classification search method based on Local hydrodynamic unit, as shown in Figure 1, including：
(1) the superior classification label of automatic business processing programmed acquisition commodity is utilized, and is stored in database；The database is adopted
With MYSQL database, the database includes user data table, commodity data table, user's commodity association table；User data table packet
The essential information of user is included, the essential information of user includes the name of user, phone, mailbox, identification card number；In commodity data table
Including the title of commodity, price, sales volume, evaluation score, purchase link, three tag along sorts；User's commodity association table includes using
The major key information at family and commodity；Three classes label refers to the Commercial goods labels extracted from all kinds of merchandise newss, for every class I goods
It all can be different, and such as refrigerator product, its label will be door-opening mode, refrigeration modes and efficiency grade；
And for if TV, its label can be then size, clarity and efficiency grade.The major key information of user and commodity is exactly
The sole indicator information that user and commodity are distinguished, each user, each commodity have oneself unique major key letter
Breath.
(2) initialize the value in superior classification label in corresponding session, i.e., it will be corresponding in superior classification label
Value in session is set as empty；I.e.：Session is used to store the required attribute of specific user's session and configuration information, when
When one session is activated for the first time, a unique mark is stored in local cookie, is created in session
Three classes label is built, and three classes label initial value is disposed as sky.Three classes label is created in session, refers to：Pass through HTTP
Post methods be constantly passed to new parameter, judging which class label the parameter belong to and corresponding session is written from the background.
In this way, when user redirects between the Web page of application program, the variable being stored in session will not
It loses, but is always existed down in entire user conversation.When user asks the Web page from application program, if
There are no sessions, then Web server will automatically create a session object by the user.After session is expired or is abandoned, clothes
Business device will terminate the session.
(3) general search function is monitored, the superior classification label of all commodity is obtained in search process；Refer to：It monitors
General search function obtains the superior classification label of all commodity in search process, passes through the quotient obtained in snoop procedure
Product title comes out the superior classification label lookup of such commodity in the database, and by the superior classification of such commodity
Label shows user in front-end interface.User is facilitated to select more subclass purpose commodity.
(4) monitoring users are clicked, and when clicking some commodity that step (3) obtains, obtain the superior classification mark of the commodity
The value a in corresponding session is signed, and feeds back to rear end；The superior classification mark for using the post methods of HTTP to click user
Label pass to backstage.
(5) judge whether the value in session corresponding with the superior classification label that step (4) listens to is empty, if
It is to enter step (7), otherwise, enters step (6)；
(6) value in the corresponding session of the superior classification label listened to step (4) is replaced with into a；A refers to leading to
Cross the incoming value of the post methods of HTTP.
(7) according in all session condition and big search classification construct search result, the condition in session
It refer to the three classes label created in session in step (2)；Big search classification refers to：It is carried out according to the title of commodity
Search, the no careful classification of the search enumerate all products for belonging to the title.
Fig. 2 is the result schematic diagram searched for using prior art algorithm；Fig. 3 is using the present embodiment superior classification retrieval side
The result schematic diagram of method；It is compared by Fig. 2, Fig. 3 it is found that before using superior classification searching algorithm, the total duration for completing search is
959ms, website load complete the used time as 1.25s.After use, the total duration for completing search is 548ms, and website load is completed to use
When be 809ms.Therefore in terms of superior classification search, search efficiency is doubled, whole to add in terms of website integrally load
Efficiency improves 0.5 times.
Fig. 4 is using the LeEco brand of the present embodiment superior classification search method realization flat panel TV, ultra high-definition 65
The effect diagram of the superior classification retrieval of the commodity of inch.Pass through setting for the superior classification searching algorithm for Local hydrodynamic unit
Meter, the comparison that user can carry out at present are no longer the comparisons of the coarse commodity for a certain entire classification, and user can be with
The commodity for the specific type or brand that the desired selection of the heart needs oneself, carry out fine-grained comparison.
Embodiment 2
According to a kind of superior classification search method based on Local hydrodynamic unit described in embodiment 1, difference lies in,
The step (1), using the superior classification label of automatic business processing programmed acquisition commodity, including：
A, the tag along sort of commodity on Jingdone district, Taobao website is crawled using the Python scapy reptiles constructed；
B, classification processing is carried out to the tag along sort of the step A commodity crawled, acquires the superior classification label of commodity.Ensure
Each superior classification label to commodity is all unique；Superior classification label is exactly the more special label of commodity, they
It is most important in the attribute of such commodity, the just energy efficiency index of such as air-conditioning, setting, with the labels of other commodity
It is different.
The present invention by the label of commodity superior classification by session in python carry out it is erasable, can mulching method
Ground stores, and multiple label search and replacement thus may be implemented, rather than do not retrieve alternatively once, uses multiclass
Session generates the search result of disaggregated classification condition and original commercial articles searching does an intersection operation, and result is fed back to
Identical front end, the front end page of feedback and front end page before are one, only local to go to change retrieval result and phase
The label answered is shown.
Pseudo-code of the algorithm
The pseudocode illustrates the operating mechanism of the algorithm, including front end in detail by taking four class superior classification labels as an example
Data interaction and backstage data processing.
Claims (4)
1. a kind of superior classification search method based on Local hydrodynamic unit, which is characterized in that including：
(1) the superior classification label of automatic business processing programmed acquisition commodity is utilized, and is stored in database；The database includes using
User data table, commodity data table, user's commodity association table；User data table includes the essential information of user, the basic letter of user
Breath includes the name of user, phone, mailbox, identification card number；Title comprising commodity, price, sales volume, evaluation in commodity data table
Score, purchase link, three tag along sorts；User's commodity association table includes the major key information of user and commodity；
(2) initialize the value in superior classification label in corresponding session, i.e., it will be corresponding in superior classification label
Value in session is set as empty；I.e.：Session is used to store the required attribute of specific user's session and configuration information, when
When one session is activated for the first time, a unique mark is stored in local cookie, is created in session
Three classes label is built, and three classes label initial value is disposed as sky；
(3) general search function is monitored, the superior classification label of all commodity is obtained in search process；
(4) monitoring users are clicked, and when clicking some commodity that step (3) obtains, obtain the superior classification label pair of the commodity
Value a in the session answered, and feed back to rear end；
(5) judge whether the value in session corresponding with the superior classification label that step (4) listens to is empty, if so, into
Enter step (7), otherwise, enters step (6)；
(6) value in the corresponding session of the superior classification label listened to step (4) is replaced with into a；
(7) according in all session condition and big search classification construct search result, the condition in session refers to
The three classes label created in session in step (2)；Big search classification refers to：It is scanned for according to the title of commodity,
Enumerate all products for belonging to the title.
2. a kind of superior classification search method based on Local hydrodynamic unit according to claim 1, which is characterized in that the step
Suddenly (1), using the superior classification label of automatic business processing programmed acquisition commodity, including：
A, the tag along sort of commodity on Jingdone district, Taobao website is crawled using the Python scapy reptiles constructed；
B, classification processing is carried out to the tag along sort of the step A commodity crawled, acquires the superior classification label of commodity.
3. a kind of superior classification search method based on Local hydrodynamic unit according to claim 1, which is characterized in that the step
Suddenly (2) create three classes label in session, refer to：It is constantly passed to new parameter by the post methods of HTTP, on backstage
Judge which class label is the parameter belong to and corresponding session is written.
4. according to a kind of any superior classification search methods based on Local hydrodynamic unit of claim 1-3, which is characterized in that
The step (3) monitors general search function, the superior classification label of all commodity is obtained in search process, by supervising
The commodity title obtained in the process is listened, the superior classification label lookup of such commodity in the database is come out, and should
The superior classification label of class commodity shows user in front-end interface.
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