如果页数太多的话，全部显示在页面上就会显得很冗杂可以在页面中显示规定的页码数例如
如果页数太多的话，全部显示在页面上就会显得很冗杂
可以在页面中显示规定的页码数
例如：
book_list.html：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>书籍列表</title>
<link rel="stylesheet" href="/static/bootstrap/css/bootstrap.min.css" rel="external nofollow" >
</head>
<body>
<div class="container">
<table class="table table-bordered">
<thead>
<tr>
<th>序号</th>
<th>id</th>
<th>书名</th>
</tr>
</thead>
<tbody>
{% for book in books %}
<tr>
<td>{{ forloop.counter }}</td>
<td>{{ book.id }}</td>
<td>{{ book.title }}</td>
</tr>
{% endfor %}
</tbody>
</table>
<nav aria-label="Page navigation">
<ul class="pagination">
<li>
<a href="#" rel="external nofollow" rel="external nofollow" aria-label="Previous">
<span aria-hidden="true">«</span>
</a>
</li>
<li>
{{ page_html|safe }}
</li>
<li>
<a href="#" rel="external nofollow" rel="external nofollow" aria-label="Next">
<span aria-hidden="true">»</span>
</a>
</li>
</ul>
</nav>
</div>
</body>
</html>views.py：
from django.shortcuts import render
from app01 import models
def book_list(request):
# 从 URL 中取参数
page_num = request.GET.get("page")
print(page_num, type(page_num))
page_num = int(page_num)
# 定义两个变量保存数据从哪儿取到哪儿
data_start = (page_num-1)*10
data_end = page_num*10
# 书籍总数
total_count = models.Book.objects.all().count()
# 每一页显示多少条数据
per_page = 10
# 总共需要多少页码来显示
total_page, m = divmod(total_count, per_page)
# 页面上最多展示的页码
max_page = 11
half_max_page = max_page // 2
# 页面上展示的页码的开始页
page_start = page_num - half_max_page
# 页面上展示的页码的结束页
page_end = page_num + half_max_page
# 如果当前页减一半比 1 小
if page_start <= 1:
page_start = 1
page_end = max_page
# 如果当前页加一半比总页码还大
if page_end > total_page:
page_end = total_page
page_start = total_page - max_page + 1
# 如果还有数据
if m:
total_page += 1
all_book = models.Book.objects.all()[data_start:data_end]
# 拼接 html 的分页代码
html_list = []
for i in range(page_start, page_end+1):
tmp = '<li><a href="/book_list/?page={0}" rel="external nofollow" >{0}</a></li>'.format(i)
html_list.append(tmp)
page_html = "".join(html_list)
return render(request, "book_list.html", {"books": all_book, "page_html": page_html})运行结果：
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持脚本之家。
python django 页面 页码