def change_icon():
form = UploadForm()
img_url = ''
if form.validate_on_submit():
#获得后缀
suffix = os.path.splitext(form.icon.data.filename)[1]
#拼接文件名
filename = random_string() + suffix
#保存
photos.save(form.icon.data, name=filename)
# 生成缩略图
pathname = os.path.join(current_app.config['UPLOADED_PHOTOS_DEST'],
filename)
#打开文件
img = Image.open(pathname)
img.thumbnail((128, 128))
img.save(pathname)
#如果用户头像不是默认，说明上传了头像
#如果更新了，则删除原来的
if current_user.icon != 'default.jpg':
os.remove(
os.path.join(current_app.config['UPLOADED_PHOTOS_DEST'],
current_user.icon))
current_user.icon = filename
db.session.add(current_user)
flash("头像已经保存")
return redirect(url_for('users.change_icon'))
img_url = photos.url(current_user.icon)
return render_template('user/change_icon.html', form=form, img_url=img_url)
def change_icon():
img_url = ''
form = UploadForm()
if form.validate_on_submit():
#获取文件后缀
suffix = os.path.splitext(form.icon.data.filename)[1]
#随机文件名 拼接
filename = random_string() + suffix
photos.save(form.icon.data, name=filename)
pathname = os.path.join(current_app.config['UPLOADED_PHOTOS_DEST'],
filename)
img = Image.open(pathname)
img.thumbnail((128, 128))
img.save(pathname)
if current_user.icon != 'default.jpg':
os.remove(current_app.config['UPLOADED_PHOTOS_DEST'],
current_user.icon)
current_user.icon = filename #将新上传的文件名 赋值给 用户的头像
db.session.add(current_user) #保存在数据库中
flash("头像上传成功")
return redirect(url_for("users.change_icon"))
img_url = photos.url(current_user.icon)
return render_template('user/change_icon.html', form=form, img_url=img_url)
def uploads(photo):
photo_name = photos.save(photo)
photo_url = photos.url(photo_name)
return jsonify({'photo_url': photo_url, 'photo_name': photo_name})