Update logic to handle - and _ between words

.gitignore

@@ -69,3 +69,5 @@ coverage.xml
 /static/css/dist/
 node_modules/
 /data
+
+**/__pycache__

links/templates/links/link_form.html

@@ -42,6 +42,19 @@
             </button>
           </div>
         </form>
+        <h2 class="text-xl font-semibold mt-8 mb-4">{% trans "Note:" %}</h2>
+        <div class="bg-gray-100 p-4 rounded-lg mb-4">
+          <p class="mt-2 text-sm text-gray-500">
+            {% trans "Please note that special characters are not allowed in the alias when creating or updating a link." %}
+            <br>
+            {% trans "For example:" %}
+            <ul class="list-disc list-inside mt-2 text-gray-600">
+              <li>{% trans "Valid alias: helloworld" %}</li>
+              <li>{% trans "Invalid alias: hello@world!" %}</li>
+              <li>{% trans "Accessing 'helloworld' as: hello-world or hello_world" %}</li>
+            </ul>
+          </p>
+        </div>
       </div>
     </div>
   </div>

links/views.py

@@ -118,15 +118,18 @@ def delete_selected(request):
     return redirect('link_list')
 
 def redirect_to_original(request, alias):
+    # 移除别名中的特殊字符
+    processed_alias = ''.join(e for e in alias if e.isalnum())
+
     try:
-        link = Link.objects.get(alias=alias)
+        link = Link.objects.get(alias=processed_alias)
         link.click_count = F('click_count') + 1
         link.save()
         ClickLog.objects.create(link=link)  # 记录点击
         return redirect(link.original_url)
     except Link.DoesNotExist:
-        messages.warning(request, _("The alias '{}' doesn't exist. Do you want to create a new one?").format(alias))
-        return redirect(reverse('link_create') + f'?alias={alias}')
+        messages.warning(request, _("The alias '{}' doesn't exist. Do you want to create a new one?").format(processed_alias))
+        return redirect(reverse('link_create') + f'?alias={processed_alias}')
 
 class LinkDetailView(DetailView):
     model = Link

locale/zh_Hans/LC_MESSAGES/django.po

@@ -168,3 +168,13 @@ msgstr "热门链接"
 
 msgid "No popular links available"
 msgstr "暂无热门链接"
+
+msgid "Note:"
+msgstr "请注意"
+
+msgid "Menu"
+msgstr "菜单"
+
+
+msgid "Alias cannot contain special characters."
+msgstr "链接别名中不能带有 - 或者 _ 以及其他任意特殊字符"