最近,我开始使用flask。我发现flask-sqlalchemy可以与flask一起使用。所以我就用这个。但我遇到了一些问题。我正在研究 repl.it。当 repl 进入休眠状态时,我尝试使用启用了 Flask 的网站。但看到没有数据显示。但在此之前我添加了很多数据。我不知道出了什么问题,但你能帮我吗?它可能会帮助你:from flask_sqlalchemy import SQLAlchemyimport refrom flask import Flask, abort, jsonify, redirect, requestimport osapp = Flask(__name__)app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///db.sqlite3'app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = Falsedb = SQLAlchemy(app)class apikey(db.Model): apikey = db.Column(db.String(25), primary_key=True, unique = True) def __init__(self, apikey): self.apikey = apikeyclass shorturl(db.Model): short_query = db.Column(db.String(15), primary_key=True, unique = True) original = db.Column(db.String(1000)) visits = db.Column(db.Integer) def __init__(self, short_query,original, visits): self.short_query = short_query self.original = original self.visits = visits def url_valid(url): return re.match(regex, url) is not Nonedef bad_request(message): response = jsonify({'message': message}) response.status_code = 400 return responsedef errreq(message): response = jsonify({'message': message}) response.status_code = 404 return response@app.route('/')def show_all(): return redirect("https://www.cburst.ml", code=301)@app.route('/addapi', methods=['GET'])def addapi(): if request.args.get('apikey') is not None: api_key = request.args.get('apikey') apiadd = apikey(apikey=api_key) db.session.add(apiadd) db.session.commit() return jsonify({'message':"Done"}), 200 else: return bad_request("Nothing Provided")@app.route('/add', methods=['POST'])def add(): if not request.json: return bad_request('Url must be provided in json format.') if "original" not in request.json : return bad_request('Url parameter not found.') if "short_query" not in request.json: return bad_request('Url parameter not found.')在这里,如果我在 /appapi 中添加 api 密钥以及查询字符串中的密钥,我可以在数据库中添加该密钥。但添加到数据库中的密钥在几个小时后不起作用。
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