Thank you very much! This was helpful
2014年4月2日水曜日 11時41分11秒 UTC+9 Camilo Torres:
>
> Lets suppose you need the user to select which files to download:
> ------choro_checkbox.html
> <!DOCTYPE html>
> <html>
> <head>
> <title>Choro's quertion about checkboxes</title>
> </head>
> <body>
> <h1>Select files to download</h1>
> <form method="POST">
> {% csrf_token %}
> <table>
> <tr><th>File A</th><td><input type="checkbox" name="selected_file"
> value="a"></td></tr>
> <tr><th>File B</th><td><input type="checkbox" name="selected_file"
> value="b"></td></tr>
> <tr><th>File C</th><td><input type="checkbox" name="selected_file"
> value="c"></td></tr>
> <tr><th>File D</th><td><input type="checkbox" name="selected_file"
> value="d"></td></tr>
> <tr><th>File E</th><td><input type="checkbox" name="selected_file"
> value="e"></td></tr>
> <tr><th>File F</th><td><input type="checkbox" name="selected_file"
> value="f"></td></tr>
> <tr><th></th><td><input type="submit"></td></tr>
> </table>
> </form>
> </body>
> </html>
>
> Now, you must watch which of the files the user selected, but you have a
> problem: if the user selected more than one file to download you cannot
> send the files directly to the user in the view as a response, instead, you
> must present them with a page to download the files:
>
> def choro_checkbox_question(request):
> if request.method == 'GET':
> return render_to_response('testapp/choro_checkbox.html',
> context_instance=RequestContext(request))
> elif request.method == 'POST':
> selected_checkboxes = request.POST.getlist('selected_file', [])
> generated_filenames = []
> for selected_file in selected_checkboxes:
> filename = generate_file_for(selected_file)
> generated_filenames.append(filename)
> return render_to_response('testapp/choro_files_download.html',
> {'checks': selected_checkboxes,
>
> 'files': generated_filenames})
>
> def generate_file_for(name):
> filename = os.path.join(settings.MEDIA_ROOT, name)
> filename = '{}.csv'.format(filename)
> with open(filename, mode='w') as f:
> f.write(name)
> return os.path.split(filename)[1]
>
> -- choro_files_download.html
> {% load static %}
> {% get_media_prefix as MEDIA_URL %}
> <!DOCTYPE html>
> <html>
> <head>
> <title>Choro's quertion about checkboxes</title>
> </head>
> <body>
> <h1>Select files to download</h1>
> <p>{{ checks }}</p>
> <p>
> <ul>
> {% for file in files %}
> <li><a href="{{ MEDIA_URL }}{{ file }}">{{ file }}</a>
> {% endfor %}
> </ul>
> </p>
> </body>
> </html>
>
> You must correctly configure MEDIA_ROOT and MEDIA_URL in your settings,
> and may be use a better sub-directory schema to generate the files, but you
> can get the general idea.
>
> Anyway, you still can verify if the user selected only one file and
> download that only file directly instead of presenting a page to download;
> you only present the page when the user selects more than one file to
> download.
>
> Regards,
> Camilo
>
> On Monday, March 31, 2014 11:52:31 PM UTC-4:30, Choro H wrote:
>>
>> Thank you very much!
>> I'm Sorry, i'm missing write comments,
>> I want to do download have been checboxd file from html, then i write to
>> views.py this code, so i don't know how do write !
>> Please help me!
>> this is my right code:
>> def export_selected_data(request):
>> # if request.method == 'POST':
>> # _selected_action = request.POST.getlist("_
>> selected_action")
>>
>> response = HttpResponse(mimetype='application/vnd.ms-excel;
>> charset="Shift_JIS"')
>> response['Content-Disposition'] = 'attachment; filename=file.csv'
>> writer = csv.writer(response)
>> if request.method == 'POST':
>> _selected_action = request.POST.getlist("_selected_action")
>>
>> _selected_action = User.objects.all()
>> for obj in _selected_action:
>> row=[]
>> for field in User._meta.fields:
>> row.append(unicode(getattr(obj,field.name
>> )).encode("cp932"))
>> writer.writerow(row)
>> return response
>> This is my html:
>>
>> <form name="myForm" method="POST">
>> <select name="myMenu" onchange="myGo()">
>> <option value="/articles/export_selected_data" >selected_export
>> </select>
>> </form>
>> <table >
>> <thead>
>> <tr>
>> <th>Check</th>
>> <th>名前</th>
>> <th>会社名</th>
>> <th>法人電話</th>
>> </tr>
>> </thead>
>> <tbody>
>> {% if articles.count > 0 %}
>> {% for user in articles %}
>> <tr>
>> <td ><input class="action-select" name="_selected_action" id
>> ="_selected_action" type="checkbox" value="{{user.id }}" type="submit"
>> class="button"></td>
>> <td ><a href="/articles/get/{{ user.id }}/">{{ user.user_name
>> }}</a></td>
>> <td >{{ user.company }}</td>
>> <td >{{ user.number }}</td>
>> </tr>
>> {% endfor %}
>> </tbody>
>> </table>
>> {% else %}
>> <p>None</p>
>> {% endif %}
>>
>> 2014年4月1日火曜日 12時47分08秒 UTC+9 Camilo Torres:
>>>
>>> Hello,
>>>
>>> You should start with the basics:
>>> https://docs.djangoproject.com/en/1.6/topics/http/file-uploads/
>>>
>>> You are using request.FILES and that is for file upload, no file
>>> download. To upload a file to the server, you must have a <input
>>> type="file" ...> in your template, which you don't have.
>>>
>>> To download files from the server to the browser (to the user computer),
>>> you should do:
>>> https://docs.djangoproject.com/en/1.6/ref/contrib/staticfiles/
>>> or, if the user uploaded the content:
>>> https://docs.djangoproject.com/en/1.6/topics/files/
>>>
>>> Hope this put you in the right direction.
>>>
>>> Camilo
>>>
>>> On Monday, March 31, 2014 1:31:24 AM UTC-4:30, Choro H wrote:
>>>>
>>>> Hello,
>>>>
>>>> i wan to do download file of a checkbox ;
>>>> Please help me
>>>>
>>>> this is my viewspy:
>>>>
>>>> def export_selected_dataqq(request):
>>>> if request.method == 'POST':
>>>> _selected_action = request.FILES("_selected_action")
>>>>
>>>> response = HttpResponse(mimetype='application/vnd.ms-excel;
>>>> charset="Shift_JIS"')
>>>> response['Content-Disposition'] = 'attachment; filename=file.csv'
>>>> writer = csv.writer(response)
>>>> _selected_action = []
>>>> writer.writerow(_selected_action)
>>>>
>>>> for obj in _selected_action:
>>>>
>>>> row=[]
>>>> for field in User._meta.fields:
>>>> row.append(unicode(getattr(obj,field.name
>>>> )).encode("cp932"))
>>>> writer.writerow(row)
>>>> return response
>>>>
>>>> this is mmy html:
>>>>
>>>> <table >
>>>> <thead>
>>>> <tr>
>>>> <th>Check</th>
>>>> <th>名前</th>
>>>> <th>会社名</th>
>>>> <th>法人電話</th>
>>>> </tr>
>>>> </thead>
>>>> <tbody>
>>>> {% if articles.count > 0 %}
>>>> {% for user in articles %}
>>>> <tr>
>>>> <td ><input class="action-select" name="_selected_action" id
>>>> ="_selected_action" type="checkbox" value="{{user.id }}" type="submit"
>>>> class="button"></td>
>>>> <td ><a href="/articles/get/{{ user.id }}/">{{ user.user_name
>>>> }}</a></td>
>>>> <td >{{ user.company }}</td>
>>>> <td >{{ user.number }}</td>
>>>> </tr>
>>>> {% endfor %}
>>>>
>>>> </tbody>
>>>> </table>
>>>> </form>
>>>> {% else %}
>>>> <p>None</p>
>>>> {% endif %}
>>>>
>>>
>>
>> 2014年4月1日火曜日 12時47分08秒 UTC+9 Camilo Torres:
>>>
>>> Hello,
>>>
>>> You should start with the basics:
>>> https://docs.djangoproject.com/en/1.6/topics/http/file-uploads/
>>>
>>> You are using request.FILES and that is for file upload, no file
>>> download. To upload a file to the server, you must have a <input
>>> type="file" ...> in your template, which you don't have.
>>>
>>> To download files from the server to the browser (to the user computer),
>>> you should do:
>>> https://docs.djangoproject.com/en/1.6/ref/contrib/staticfiles/
>>> or, if the user uploaded the content:
>>> https://docs.djangoproject.com/en/1.6/topics/files/
>>>
>>> Hope this put you in the right direction.
>>>
>>> Camilo
>>>
>>> On Monday, March 31, 2014 1:31:24 AM UTC-4:30, Choro H wrote:
>>>>
>>>> Hello,
>>>>
>>>> i wan to do download file of a checkbox ;
>>>> Please help me
>>>>
>>>> this is my viewspy:
>>>>
>>>> def export_selected_dataqq(request):
>>>> if request.method == 'POST':
>>>> _selected_action = request.FILES("_selected_action")
>>>>
>>>> response = HttpResponse(mimetype='application/vnd.ms-excel;
>>>> charset="Shift_JIS"')
>>>> response['Content-Disposition'] = 'attachment; filename=file.csv'
>>>> writer = csv.writer(response)
>>>> _selected_action = []
>>>> writer.writerow(_selected_action)
>>>>
>>>> for obj in _selected_action:
>>>>
>>>> row=[]
>>>> for field in User._meta.fields:
>>>> row.append(unicode(getattr(obj,field.name
>>>> )).encode("cp932"))
>>>> writer.writerow(row)
>>>> return response
>>>>
>>>> this is mmy html:
>>>>
>>>> <table >
>>>> <thead>
>>>> <tr>
>>>> <th>Check</th>
>>>> <th>名前</th>
>>>> <th>会社名</th>
>>>> <th>法人電話</th>
>>>> </tr>
>>>> </thead>
>>>> <tbody>
>>>> {% if articles.count > 0 %}
>>>> {% for user in articles %}
>>>> <tr>
>>>> <td ><input class="action-select" name="_selected_action" id
>>>> ="_selected_action" type="checkbox" value="{{user.id }}" type="submit"
>>>> class="button"></td>
>>>> <td ><a href="/articles/get/{{ user.id }}/">{{ user.user_name
>>>> }}</a></td>
>>>> <td >{{ user.company }}</td>
>>>> <td >{{ user.number }}</td>
>>>> </tr>
>>>> {% endfor %}
>>>>
>>>> </tbody>
>>>> </table>
>>>> </form>
>>>> {% else %}
>>>> <p>None</p>
>>>> {% endif %}
>>>>
>>>>
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