質問編集履歴
5
コード化
test
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test
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```ここに言語を入力
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(index.html)
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<a class="nav-link dropdown-toggle" id="navbarDropdownMenuLink" data-toggle="dropdown"
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</div>
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```
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```ここに言語を入力
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(views.py)
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}
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return render(request, 'myapp/index.html', context)
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```
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4
内容追加
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test
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@@ -119,3 +119,71 @@
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'with' expected at least one variable assignment
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というエラーが出てきており，詰まっています．
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(追加)
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以下の通りにしてみたのですが，並び順が変わりませんでした．
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(index.html)
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<a class="nav-link dropdown-toggle" id="navbarDropdownMenuLink" data-toggle="dropdown"
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aria-haspopup="true" aria-expanded="false">並替</a>
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<div class="dropdown-menu dropdown-primary" aria-labelledby="navbarDropdownMenuLink">
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<form action='' method='POST'>
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{% csrf_token %}
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<input type='submit' name='asc'>昇順</p>
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<input type='submit' name='desc'>降順</p>
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</form>
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</div>
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(views.py)
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def Index(request):
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post_list_asc = Post.objects.all()
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post_list_desc = Post.objects.all().reverse()
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if request.POST.get('name')=='asc':
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post_list = post_list_asc
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context = {
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'post_list': post_list,
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}
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return render(request, 'myapp/index.html', context)
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else:
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post_list = post_list_desc
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context = {
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'post_list': post_list,
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}
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return render(request, 'myapp/index.html', context)
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3
内容変更
test
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1
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-
djangoのテンプレート
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djangoのテンプレートの変数をプルダウンで切り替えたい
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test
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@@ -1,4 +1,4 @@
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1
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# djangoのテンプレート
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# djangoのテンプレートの変数をプルダウンで切り替えたい
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2
2
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djangoのバージョン：3.1.7
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2
誤字修正
test
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test
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@@ -92,9 +92,9 @@
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{% csrf_token %}
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<input type='submit' {% with ordering = post_list %}{% endwith %}>{{ ordering }}</p>
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<input type='submit' {% with ordering = post_list_asc %}{% endwith %}>{{ ordering }}</p>
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<input type='submit' {% with ordering = post_list_
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<input type='submit' {% with ordering = post_list_desc %}{% endwith %}>{{ ordering }}</p>
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</form>
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1
内容追加
test
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File without changes
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test
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@@ -44,7 +44,13 @@
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{% for item in post_list_desc %}
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```
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または
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```ここに言語を入力
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+
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+
(index.html)
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48
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{% for item in post_list_asc %}
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@@ -63,3 +69,53 @@
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```
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64
70
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65
71
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のようにして，プルダウンで昇順・降順を切り替える(変数を切り替える)方法が思いつかないので，お分かりの方はお教えいただければ助かります．
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試しにhttps://hodalog.com/how-to-set-a-value-of-a-variable-inside-a-template-code/を参考に
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```ここに言語を入力
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+
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+
(index.html)
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+
<div class="row">
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<a class="nav-link dropdown-toggle" id="navbarDropdownMenuLink" data-toggle="dropdown"
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aria-haspopup="true" aria-expanded="false">並替</a>
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+
<div class="dropdown-menu dropdown-primary" aria-labelledby="navbarDropdownMenuLink">
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<form action='' method='POST'>
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{% csrf_token %}
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<input type='submit' {% with ordering = post_list %}{% endwith %}>{{ ordering }}</p>
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<input type='submit' {% with ordering = post_list_reverse %}{% endwith %}>{{ ordering }}</p>
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</form>
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</div>
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<!-- Card deck -->
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+
<div class="card-deck">
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+
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109
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+
{% for item in ordering %}
|
|
110
|
+
|
|
111
|
+
(以下省略)
|
|
112
|
+
|
|
113
|
+
```
|
|
114
|
+
|
|
115
|
+
としてみたら，
|
|
116
|
+
|
|
117
|
+
TemplateSyntaxError at /
|
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118
|
+
|
|
119
|
+
'with' expected at least one variable assignment
|
|
120
|
+
|
|
121
|
+
というエラーが出てきており，詰まっています．
|