搜索功能的實(shí)現(xiàn)設(shè)計(jì):
首先在my_blog/templates下添加所有輸入框
<div class="sidebar pure-u-1 pure-u-md-1-4">
<div class="header">
<h1 class="brand-title"><a href="{% url 'home' %}">Andrew Liu Blog</a></h1>
<h2 class="brand-tagline">雪憶 - Snow Memory</h2>
<nav class="nav">
<ul class="nav-list">
<li class="nav-item">
<a class="button-success pure-button" href="/">主頁(yè)</a>
</li>
<li class="nav-item">
<a class="button-success pure-button" href="{% url 'archives' %}">歸檔</a>
</li>
<li class="nav-item">
<a class="pure-button" >Github</a>
</li>
<li class="nav-item">
<a class="button-error pure-button" >Weibo</a>
</li>
<li class="nav-item">
<a class="button-success pure-button" href="/">專題</a>
</li>
<li>
<form class="pure-form" action="/search/" method="get">
<input class="pure-input-3-3" type="text" name="s" placeholder="search">
</form>
</li>
<li class="nav-item">
<a class="button-success pure-button" href="{% url 'about_me' %}">About Me</a>
</li>
</ul>
</nav>
</div>
</div>
在my_blog/article/views.py中添加查詢邏輯
def blog_search(request):
if 's' in request.GET:
s = request.GET['s']
if not s:
return render(request,'home.html')
else:
post_list = Article.objects.filter(title__icontains = s)
if len(post_list) == 0 :
return render(request,'archives.html', {'post_list' : post_list,
'error' : True})
else :
return render(request,'archives.html', {'post_list' : post_list,
'error' : False})
return redirect('/')
這里為了簡(jiǎn)單起見(jiàn), 直接對(duì)archives.html
進(jìn)行修改, 使其符合查詢邏輯
{% extends "base.html" %}
{% block content %}
<div class="posts">
{% if error %}
<h2 class="post-title">沒(méi)有相關(guān)文章題目</a></h2>
{% else %}
{% for post in post_list %}
<section class="post">
<header class="post-header">
<h2 class="post-title"><a href="{% url 'detail' id=post.id %}">{{ post.title }}</a></h2>
<p class="post-meta">
Time: <a class="post-author" href="#">{{ post.date_time |date:'Y /m /d'}}</a> <a class="post-category post-category-js" href="{% url 'search_tag' tag=post.category %}">{{ post.category }}</a>
</p>
</header>
</section>
{% endfor %}
{% endif %}
</div><!-- /.blog-post -->
{% endblock %}
添加了if判斷邏輯, 然后還需要修改views中的archives
def archives(request) :
try:
post_list = Article.objects.all()
except Article.DoesNotExist :
raise Http404
return render(request, 'archives.html', {'post_list' : post_list,
'error' : False})
最后添加my_blog/my_blog/urls.py
設(shè)置url
urlpatterns = patterns('',
# Examples:
# url(r'^$', 'my_blog.views.home', name='home'),
# url(r'^blog/', include('blog.urls')),
url(r'^admin/', include(admin.site.urls)),
url(r'^$', 'article.views.home', name = 'home'),
url(r'^(?P<id>\d+)/$', 'article.views.detail', name='detail'),
url(r'^archives/$', 'article.views.archives', name = 'archives'),
url(r'^aboutme/$', 'article.views.about_me', name = 'about_me'),
url(r'^tag(?P<tag>\w+)/$', 'article.views.search_tag', name = 'search_tag'),
url(r'^search/$','article.views.blog_search', name = 'search'),
)
對(duì)于ReadMore的前段按鈕界面設(shè)置早已經(jīng)添加過(guò)了, 所以這里只需要進(jìn)行簡(jiǎn)單的設(shè)置就好了
通過(guò)使用Django中內(nèi)建的filter就可以速度實(shí)現(xiàn)
{{ value|truncatewords:2 }} #這里2表示要顯示的單詞數(shù), 以后的會(huì)被截?cái)? 不在顯示
這里只需要修改my_blog/templates/home.html界面中的變量的過(guò)濾器
#將正文截?cái)嘣O(shè)置為10
{{ post.content|custom_markdown|truncatewords:20 }}
在瀏覽器中輸入http://127.0.0.1:8000/
可以看到效率(最好把博文設(shè)置的長(zhǎng)一些)