一flask框架mysql文件 通过看别的大佬的项目最常见的配置mysql就是 1)创建一个config.py文件 classBaseConfig(object):#数据库的配置DIALCT ="mysql"DRITVER="pymysql"HOST='127.0.0.1'PORT="3306"USERNAME="root"PASSWORD="123456"DBNAME='test_auto'SQLALCHEMY_DATABASE_URI= f"{DIALCT}+{DRITVER}://{USER...
importpymysql conn = Connect(user=app.config.get('MYSQL_USER'), password=app.config.get('MYSQL_PASSWORD'), host=app.config.get('MYSQL_HOST'), database=app.config.get('MYSQL_DATABASE'), ) # pymysql.cursors.DictCursor 查出的数据是列表套字典形式 cursor = conn.cursor(pymysql.cursors.Dict...
and my connect string looks as follows: defconnect_db():# Connects to the database and takes care of the connectionreturnPersistentDB( creator=pymysql, host='db', user='root', password='myPassword', database='databaseName', port=3306, autocommit=True, charset='utf8m...
wget http://dev.mysql.com/get/mysql-community-release-el7-5.noarch.rpm rpm -ivh mysql-community-release-el7-5.noarch.rpm yum install mysql-community-server service mysqld restart 1. 2. 3. 4. 初始化 MySQL 并设置登陆密码: [root@flask-dev JmilkFan-s-Blog]# mysql_secure_installation NOTE...
或MySQL Connection not available,代表当前链接已超时失效! 使用SQLAlchemy 配置 Engine从参数就可以避免这些错误出现: """ create_engine 1、uri格式为"mysql+mysqlconnector://用户名:密码@localhost:3306/数据库名称" 2、pool_size:这里设置100,如果设置为0表示没有大小限制【查看官方文档】...
SQLALCHEMY_TRACK_MODIFICATIONS adds significant overhead and will be disabled by default in the f uture. Set it to True or False to suppress this warning. warnings.warn(FSADeprecationWarning( INFO [alembic.runtime.migration] Context impl MySQLImpl. ...
# 后面的4个参数取默认,详细可看官方文档 # 2.由engine来创建连接 conn = engine.raw_connection...
# 需要用到的包引入frompymysqlimportConnectionfromflaskimportFlaskfromflask_corsimportCORS conn=Connection(host="localhost",port=3306,user="root",password="123456",autocommit=True)# 获取游标对象cursor=conn.cursor()# 选择数据库conn.select_db("test")# 后端服务启动 新建Flask实例app=Flask(__name__)...
Flask-MySQLdb provides MySQL connection for Flask. Quickstart First, youmayneed to install some dependencies formysqlclientif you don't already have them, seehere. Second, install Flask-MySQLdb: pip install flask-mysqldb Flask-MySQLdb depends, and will install for you, recent versions of Flask (...
如果你使用了Mysql或者PostgreSQL,在运行flask db upgrade之前应该先创建user表。Flask-SQLAlchemy会根据数据类的名称自动转换和创建数据表名称,日如User类编程user表,AddressAndPhone类变成address_and_phone表。如果需要另选表名称,可以在数据类中增加__tablename__参数。 数据库升级和降级 在实际工作中可能存在一个开发...