flask数据库

# 框架环境 安装 Flask_SQLALchemy,mysqlclient

from flask import Flask
from flask_sqlalchemy import SQLALchemy     # 导入数据库模块
app = Flask(__name__)
app.config["SQLALCHEMY_DATABASE_URI"] = 'mysql://root:[email protected]/mysql'      # 连接数据库 用户名 密码 host 数据库：mysql
db = SQLALchemy(app)                   # 实例化数据库
@app.route('/')
def index():
    from sqlalchemy import text
    slq = text("SELECT * FROM 'USER' ")                     # sql 语句
    result = db.engine.execute(sql)                         # 执行sql语句 查询
    for row in result:
        app.logger.info(row)                                # 日志打印出查询结果
    return "数据库测试"
if __name__ == "__main__":
    app.run(host="0.0.0.0",debug=Ture)