from flask import Flask from flask_saestorage import SaeStorage   SAE_ACCESS_KEY = 'SAE Access Key' SAE_SECRET_KEY = 'SAE Secret Key' SAE_APP_NAME = 'SAE App Name' SAE_BUCKET_NAME = 'SAE Bucket Name'   app = Flask(__name__) app.config.from_object(__name__) sae_storage = SaeStorage(app) # 或者 # sae_storage = SaeStorage() # sae_storage.init_app(app)   # 保存文件到SAE Storage @app.route('/save') def save():     data = 'data to save'     filename = 'filename'     ret = sae_storage.save(data, filename)     return str(ret)   # 删除SAE Storage中的文件 @app.route('/delete') def delete():     filename = 'filename'     ret = sae_storage.delete(filename)     return str(ret)   # 根据文件名获取对应的公开URL @app.route('/url') def url():     filename = 'filename'     return sae_storage.url(filename)