pip install drf-haystack 
pip install elasticsearch 
pip install djangorestframework

INSTALLED_APPS = 
[
'app.apps.AppConfig', 
'haystack', 
'rest_framework'
]

HAYSTACK_CONNECTIONS = { 
'default':    {
            'ENGINE':'haystack.backends.elasticsearch_backend.ElasticsearchSearchEngine', 
            'URL': 'http://127.0.0.1:9200/', # 此處為elasticsearch運(yùn)行的服務(wù)器ip地址，端口號(hào)固定為9200 
            'INDEX_NAME': 'test', # 指定elasticsearch建立的索引庫(kù)的名稱 
            }, 
            } 
# 當(dāng)添加、修改、刪除數(shù)據(jù)時(shí)，自動(dòng)生成索引 
HAYSTACK_SIGNAL_PROCESSOR = 'haystack.signals.RealtimeSignalProcessor' 
# 指定搜索結(jié)果每頁(yè)的條數(shù) 
# HAYSTACK_SEARCH_RESULTS_PER_PAGE = 1

from django.db import models 
class Es(models.Model): 
    name=models.CharField(max_length=32)
    desc=models.CharField(max_length=32)

# 索引模型類的名稱必須是 模型類名稱 + Index 
from haystack import indexes 
from .models import Es 
class EsIndex(indexes.SearchIndex, indexes.Indexable): 
    text = indexes.CharField(document=True, use_template=True) 
    def get_model(self): 
    """返回建立索引的模型類""" 
        return Es 
    def index_queryset(self, using=None): 
    """返回要建立索引的數(shù)據(jù)查詢集""" 
        return self.get_model().objects.all()

{{ object.name }} 
{{ object.desc }}

python manage.py rebuild_index   #數(shù)據(jù)庫(kù)有多少條數(shù)據(jù)，全部會(huì)被同步到es中

from drf_haystack.serializers 
import HaystackSerializer 
from rest_framework.serializers 
import ModelSerializer from app 
import models 
from app.search_indexes import EsIndex 
class EsSerializer(ModelSerializer): 
    class Meta: 
        model=models.Es 
        fields='__all__' 
class EsIndexSerializer(HaystackSerializer): 
     object = EsSerializer(read_only=True) # 只讀,不可以進(jìn)行反序列化 
     class Meta: 
        index_classes = [EsIndex]# 索引類的名稱 
        fields = ('text', 'object')# text 由索引類進(jìn)行返回, object 由序列化類進(jìn)行返回,第一個(gè)參數(shù)必須是text

from drf_haystack.viewsets 
import HaystackViewSet 
from app.models import Book 
from app.serializers import EsIndexSerializer 
class EsSearchView(HaystackViewSet): 
    index_models = [Es] 
    serializer_class = EsIndexSerializer

from django.conf.urls 
import url from django.contrib 
import admin 
from rest_framework import routers 
from app.views import EsSearchView 
    router = routers.DefaultRouter() 
    router.register("book/search", EsSearchView, base_name="book-search") 
    urlpatterns = [ url(r'^admin/', admin.site.urls), ] 
    urlpatterns += router.urls