Full text search framework

 

The first step: Install the full-text retrieval framework django-haystack

pip3 install django-haystack

 

Step 2: Install search engine

pip3 install whoosh

 

Step Three: Configure the settings app

 

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'haystack' #全文检索框架
    'movie.apps.MovieConfig',
]

Configuration # text retrieval frame 
HAYSTACK_CONNECTIONS = { 
    'default': { 
        # engine using whoosh 
        'ENGINE': 'haystack.backends.whoosh_backend.WhooshEngine', 
        # index file path (no established manually, automatically build) 
        'the PATH': the os.path.join (base_dir, 'whoosh_index'), 
    } 
} 

# when to add, modify, delete data, automatically generates the index 
HAYSTACK_SIGNAL_PROCESSOR = 'haystack.signals.RealtimeSignalProcessor' 

Article # specified number of search results per page 
HAYSTACK_SEARCH_RESULTS_PER_PAGE = 1 

step 4: 
definition of the class index

# Class definitions index 
from the Indexes Import haystack 
# import your model classes 
from movie.models Import Movie 


# specified index data for a certain class of 
# index class name format: Index model class name + 
class MovieIndex (indexes.SearchIndex, indexes.Indexable): 
    # designated index field use_template = True indicates which fields in accordance with the table index file is a file in 
    text = indexes.CharField (document = True, use_template = True) use_template = True template file described in construction of the index file 

    DEF get_model (Self): 
        # return your model class 
        return Movie 

    # indexed data 
    DEF index_queryset (Self, a using = None): 
        return self.get_model () objects.all (). 

step five: index file 

to build the index file in the template file,

Step 6: 
write in what field to search in the index file goodssku_text.txt file

Step 7:

 

Step eight: Use full-text search

 

 

 

Step 9: Configure URL

 

Step 10

 

Step 11, change the word way: instead stuttered word