django 分頁
阿新 • • 發佈：2018-07-24
data 結束 utf-8 切片 信息展示 def itl true django 分頁
view.py
# 分頁
def paging(request):
# 叢數據庫表取出來的數據總數
count_data = len(message.objects.all())
# 當前頁數,因為url的傳值是字符串，所以需要轉成整形
page = int(request.GET.get("page"))
# 每頁顯示3條數據
per_page_count = 3
# 開始的索引
start_dat = (page - 1) * per_page_count
# 結束的索引
end_data = page * per_page_count
# 數據切片
data = message.objects.all()[start_dat:end_data]
# 上一頁
prev_pager = page - 1
# 下一頁
next_pager = page + 1
return render(request,"paging.html",{"list":data,"prev_pager":prev_pager,"next_pager":next_pager})
html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>分頁</title>
</head>
<body>
<h1>信息展示</h1>
<table>
<tr>
<th>用戶名</th>
<th>密碼</th>
</tr>
{% for line in list %}
<tr>
<td>{{line.username}}</td>
<td>{{line.password}}</td>
</tr>
{% endfor %}
</table>
<a href="{% url "paging" %}?page={{ prev_pager }}">上一頁</a>
<a href="{% url "paging" %}?page={{ next_pager }}">下一頁</a>
</body>
</html>
urls.py
url(r‘^paging.html$‘, views.paging,name=‘paging‘),
django 分頁