Django实现全文检索的方法(支持中文)

pip install django-haystack
pip install whoosh
pip install jieba

INSTALLED_APPS = (
   ...
  'haystack',
   ...
)

HAYSTACK_CONNECTIONS = {
  'default': {
    'ENGINE': 'article.whoosh_cn_backend.WhooshEngine',
    'PATH': os.path.join(BASE_DIR, 'whoosh_index'),
  },
}
HAYSTACK_SIGNAL_PROCESSOR = 'haystack.signals.RealtimeSignalProcessor'  # 索引自动更新

url(r'^search/', include('haystack.urls')),

class Article(models.Model):
  '''
  文章数据模型
  '''
  id = models.AutoField(primary_key=True,verbose_name='文章编号')
  title = models.CharField(max_length=50,verbose_name='文章标题')
  content = MDTextField()
  publish_time = models.DateTimeField(auto_now_add=True,verbose_name='发表时间')
  last_update_time = models.DateTimeField(auto_now=True,verbose_name='最后一次修改时间')
  status = models.IntegerField(u'状态', default=1) 
  read_count = models.IntegerField(default=0,verbose_name='阅读次数')
  comment_count = models.IntegerField(default=0,verbose_name='评论次数')

  #关联用户
  user = models.ForeignKey(User,on_delete=models.CASCADE,verbose_name='用户')
  subject = models.ForeignKey(Subject, null=True, blank=True, on_delete=models.CASCADE,
                verbose_name='属于哪一个专题')

from article.models import Article
from haystack import indexes


class ArticleIndex(indexes.SearchIndex, indexes.Indexable):

  text = indexes.CharField(document=True, use_template=True)

  def get_model(self):
    return Article

  def index_queryset(self, using=None):
    return self.get_model().objects.filter(status=1)

{{ object.title }} # 文章标题
{{ object.user.username }} # 文章作者
{{ object.content }} # 文章内容

from jieba.analyse import ChineseAnalyzer

 <form class="navbar-form navbar-left" action="/search/" method="get">
        <div class="form-group">
          <input type="text" class="form-control" name="q" placeholder="请输入搜索的内容" value=""/>
        </div>
        <input type="submit" value="搜索">
      </form>

{% extends 'base.html' %}

{% block title %}搜索结果{% endblock %}

{% block content %}
<div class="container" id="content">
  <div class="search-body">

  <form method="get" action="">
    <table>
      <tr>
        <td>
          <label for="id_q"></label>
        </td>
        <td>
          <input class="form-control" id="id_q" name="q" type="search" value="{{ query }}" />
        </td>

        <td>&nbsp;</td>
        <td>
          <button class="btn btn-defaul" type="submit"><span class="glyphicon glyphicon-search">搜索</span></button>
        </td>
      </tr>


    </table>
</form>
    {% if query %}
      <h4>搜索结果</h4>

      <table class="table">
      <tr>

         {% for result in page.object_list %}
           <td>
        <p>
          <a href="{% url 'article:article_detail' article_id=result.object.id %}" rel="external nofollow" >
            {{ result.object.title }}</a>
        </p> 作者: <a href="{% url 'user:user_index' result.object.user.id %}" rel="external nofollow" >{{ result.object.user.username }}</a>
        <p>{{ result.object.content | safe | truncatechars_html:40 }}</p>
      </td>
      </tr>

      {% empty %}
        <p>没有得到想要的结果哦.</p>
      {% endfor %}
      </table>


      {% if page.has_previous or page.has_next %}
        <div>
          {% if page.has_previous %}<a href="?q={{ query }}&amp;page={{ page.previous_page_number }}" rel="external nofollow" >{% endif %}&laquo; 上一页{% if page.has_previous %}</a>{% endif %}
          |
          {% if page.has_next %}<a href="?q={{ query }}&amp;page={{ page.next_page_number }}" rel="external nofollow" >{% endif %}下一页 &raquo;{% if page.has_next %}</a>{% endif %}
        </div>
      {% endif %}
    {% else %}
      {# Show some example queries to run, maybe query syntax, something else? #}
    {% endif %}


  </div>

</div>
{% endblock %}

python manage.py rebuild_index

python manage.py runserver