def uploadImage():
resp = {'state': 'SUCCESS', 'url': '', 'title': '', 'original': ''}
file_target = request.files
upfile = file_target['upfile'] if 'upfile' in file_target else None
if upfile is None:
resp['state'] = "上传失败"
return jsonify(resp)
ret = UploadService.uploadByFile(upfile)
if ret['code'] != 200: #根据UploadService.uploadByFile方法里面返回的code值进行判断，如果不是200就说明这个文件类型不合格
resp['state'] = "上传失败：" + ret['msg']
return jsonify(resp)
#如果没有出现失败的情况，就说明 成功了，然后点返回一个图片上传存放的地址回去
resp['url'] = UrlManager.buildImageUrl(
ret['data']['file_key']) #这里在UrlManager.buildImageUrl进行了图片展示地址的拼接
return jsonify(resp)
def listImage(): #从数据库里面取数据进行 展示，服务于在线管理那个里面，里面的start和id的结合是为了进行图片页面分类
resp = {'state': 'SUCCESS', 'list': [], 'start': 0, 'total': 0}
req = request.values
start = int(req['start']) if 'start' in req else 0
page_size = int(req['size']) if 'size' in req else 20
query = Image.query
if start > 0:
query = query.filter(Image.id < start)
list = query.order_by(Image.id.desc()).limit(page_size).all()
images = []
if list:
for item in list: #取出数据，是将数据库中的地址挨个放进一个列表里面
images.append({'url': UrlManager.buildImageUrl(item.file_key)})
start = item.id
resp['list'] = images
resp['start'] = start
resp['total'] = len(images)
return jsonify(resp)
