完成上传图片的代码

django_demo/settings.py

@@ -15,7 +15,6 @@ from pathlib import Path
 # Build paths inside the project like this: BASE_DIR / 'subdir'.
 BASE_DIR = Path(__file__).resolve().parent.parent
 
-
 # Quick-start development settings - unsuitable for production
 # See https://docs.djangoproject.com/en/4.1/howto/deployment/checklist/
 
@@ -27,7 +26,6 @@ DEBUG = True
 
 ALLOWED_HOSTS = []
 
-
 # Application definition
 
 INSTALLED_APPS = [
@@ -64,6 +62,7 @@ TEMPLATES = [
                 'django.template.context_processors.request',
                 'django.contrib.auth.context_processors.auth',
                 'django.contrib.messages.context_processors.messages',
+                'django.template.context_processors.media'  # 页面显示图片时需要加这个配置
             ],
         },
     },
@@ -71,7 +70,6 @@ TEMPLATES = [
 
 WSGI_APPLICATION = 'django_demo.wsgi.application'
 
-
 # Database
 # https://docs.djangoproject.com/en/4.1/ref/settings/#databases
 
@@ -88,7 +86,6 @@ DATABASES = {
 
 DJANGO_SETTINGS_MODULE = []
 
-
 # Password validation
 # https://docs.djangoproject.com/en/4.1/ref/settings/#auth-password-validators
 
@@ -107,7 +104,6 @@ AUTH_PASSWORD_VALIDATORS = [
     },
 ]
 
-
 # Internationalization
 # https://docs.djangoproject.com/en/4.1/topics/i18n/
 
@@ -119,7 +115,6 @@ USE_I18N = True
 
 USE_TZ = True
 
-
 # Static files (CSS, JavaScript, Images)
 # https://docs.djangoproject.com/en/4.1/howto/static-files/
 
@@ -129,3 +124,7 @@ STATIC_URL = 'static/'
 # https://docs.djangoproject.com/en/4.1/ref/settings/#default-auto-field
 
 DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'
+
+# Media
+MEDIA_URL = "/media/"
+MEDIA_ROOT = os.path.join(BASE_DIR, "media")

django_demo/urls.py

@@ -14,10 +14,14 @@ Including another URLconf
     2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
 """
 from django.contrib import admin
-from django.urls import path
+from django.urls import path, re_path
+from django.views.static import serve
 from form_demo import views
+from . import settings
 
 urlpatterns = [
     path('admin/', admin.site.urls),
-    path('userinfo/', views.userinfo_form)
+    path('userinfo/', views.userinfo_form),
+    path('uploadimg/', views.img_file_form),
+    re_path(r'media/(?P<path>.*)', serve, {'document_root': settings.MEDIA_ROOT}),
 ]

form_demo/forms.py

@@ -10,7 +10,7 @@ def age_validate(age):
 
 
 def mobile_validate(mobile):
-    mobile_re = re.compile(r'^1[3-9]]\d{9}$')
+    mobile_re = re.compile(r'^1[3-9][0-9]{9}$')
     if not mobile_re.match(mobile):
         raise ValidationError('手机号格式错误')
 
@@ -29,8 +29,14 @@ class UserInfoForm(forms.Form):
                              error_messages={'required': '年龄不能为空'})
     mobile = forms.CharField(label='手机号码', validators=[mobile_validate],
                              error_messages={'required': '手机号不能为空'})
-    # status = forms.ChoiceField(label='状态', choices=STATUS, widget=forms.widgets.Select,
-    #                            error_messages={'required': '状态不能为空'})
-    status = forms.ModelChoiceField(label='状态', queryset=UserStatus.objects.all(), empty_label='请选择',
-                                    error_messages={'required': '状态不能为空'})
+    status = forms.ChoiceField(label='状态', choices=STATUS, widget=forms.widgets.Select,
+                               error_messages={'required': '状态不能为空'})
+    # status = forms.ModelChoiceField(label='状态', queryset=UserStatus.objects.all(), empty_label='请选择',
+    #                                 error_messages={'required': '状态不能为空'})
     createdate = forms.DateField(label='创建日期', required=False, input_formats=["%Y-%m-%d"])
+
+
+class ImgFileForm(forms.Form):
+    name = forms.CharField()
+    heading = forms.FileField()
+

form_demo/migrations/0003_imgfile.py

@@ -0,0 +1,25 @@
+# Generated by Django 4.2.3 on 2023-07-27 01:17
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('form_demo', '0002_alter_userstatus_id'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='ImgFile',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(default='', max_length=30, verbose_name='名称')),
+                ('heading', models.FileField(upload_to='uploads/', verbose_name='文件')),
+            ],
+            options={
+                'verbose_name': '用户头像信息',
+                'db_table': 'user_img',
+            },
+        ),
+    ]

form_demo/models.py

@@ -15,3 +15,17 @@ class UserBaseInfo(models.Model):
 class UserStatus(models.Model):
     # id = models.AutoField(verbose_name='状态id', primary_key=True)
     status = models.CharField(verbose_name='状态', max_length=10)
+
+
+class ImgFile(models.Model):
+    name = models.CharField(verbose_name='名称', default='', max_length=30)
+    heading = models.FileField(verbose_name='文件', upload_to='uploads/')
+
+    def __str__(self):
+        return str(self.name)
+
+    class Meta:
+        verbose_name = '用户头像信息'
+        db_table = 'user_img'
+
+

form_demo/views.py

@@ -17,3 +17,23 @@ def userinfo_form(request):
             print(errors)
             return render(request, "form_demo/userinfo.html", {'form_obj': f, 'errors': errors})
     return render(request, "form_demo/userinfo.html", {'form_obj': f})
+
+
+def img_file_form(request):
+    if request.method == 'GET':
+        f = ImgFileForm()
+        return render(request, "form_demo/uploadimg.html", {'form_obj': f})
+    else:
+        f = ImgFileForm(request.POST, request.FILES)
+        print(request.POST)
+        print(request.FILES)
+        if f.is_valid():
+            name = f.cleaned_data['name']
+            heading = f.cleaned_data['heading']
+            userimg = ImgFile()
+            userimg.name = name
+            userimg.heading = heading
+            userimg.save()
+            print('上传成功')
+            print(userimg.heading)
+            return render(request, 'form_demo/uploadimg.html', {'form_obj': f, 'user_img': userimg})

templates/form_demo/uploadimg.html

@@ -0,0 +1,22 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>Upload Image</title>
+</head>
+<body>
+<form enctype="multipart/form-data" action="" method="POST">
+    {% csrf_token %}
+    {{ form_obj.as_p }}
+    <br>
+    <input type="submit" value="上传图片">
+    {{ user_img }}
+    {% if user_img is not None %}
+        <div>
+            <img src="/media/{{ user_img.heading }}" alt="">
+        </div>
+    {% endif %}
+
+</form>
+</body>
+</html>