Django ModelForm编辑用户

views

def user_edit(request, nid):
    """编辑用户"""

    if request.method == "GET":
        row_object = models.UserInfo.objects.filter(id=nid)
        row_object = row_object[0]
        form = UserModelForm(instance=row_object)
        return render(request, 'user_edit.html', {'form': form})


    row_object = models.UserInfo.objects.filter(id=nid)[0]
    form = UserModelForm(data=request.POST, instance=row_object)  # 代表更新这一行数据
    if form.is_valid():
        form.save()
        return redirect('/user/list/')

    return render(request, 'user_edit.html', {'form': form})
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注意：编辑时，UserModelForm（）中传入instance参数代表自动生成编辑值到文本框。

在保存到数据库时，传入instance参数代表更新，而不是新增数据。

html

<form class="form-horizontal" method="post" novalidate>
    {% csrf_token %}
    {% for field in form %}
    <div class="form-group">
        <label>{{field.label}}</label>
        {{field}}
        <span style="color: red;" >{{field.errors.0}}</span>
        <!--<input type="text" class="form-control"  placeholder="标题" name="title" />-->
    </div>
    {% endfor %}
    <button type="submit" class="btn btn-primary">提 交</button>
</form>
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