django之自定义标签（路径url反向解码）

时间 2020-05-05

原文原文链接

<html> <head> <meta charset='UTF-8'><meta name='viewport' content='width=device-width initial-scale=1'> <title>django之自定义标签</title></head> <body><h1>django之自定义标签</h1> <h2>自定义标签建立</h2> <ol> <li>在应用文件夹下建立templatetags文件夹</li> <li>在文件夹下建立py脚本，如mytags.py</li> <li>在mytags.py写入自定义标签的处理代码</li>html

</ol> <pre><code class='language-python' lang='python'>#自定义标签传参后，携带原路径参数或跳转路径的获取数据参数 #自定义标签 from django import template from django.urls import reverse前端

@register.simple_tag def resolve_url(request,url_name,cid): """django

:param request: 请求对象
:param url_name:  url别名
:param cid:    客户id
:return:
&quot;&quot;&quot;
from django.http.request import QueryDict
custom_query_dict = QueryDict(mutable=True)
custom_query_dict[&#39;next&#39;] = request.get_full_path()   #要跳转回的url
next_url = custom_query_dict.urlencode()    #将获得的搜索路径url编码

reverse_url = reverse(url_name,args=(cid,))     #编辑的url    ?next=要跳转的url
full_path = reverse_url + &#39;?&#39; + next_url
return full_path

</code></pre>后端

<p>在前端页面中，数据传参</p> <pre><code class='language-html' lang='html'><a href="{{ resolve_url request "case_edit" foo.id }}"></a> </code></pre> <p>后端view视图</p> <pre><code class='language-python' lang='python'>from django.shortcuts import render,redirect,HttpResponse, next_url = request.GET.get("next") return redirect(next_url) </code></pre> <p> </p> </body> </html>编码