{"id":17,"date":"2025-07-28T22:12:27","date_gmt":"2025-07-28T14:12:27","guid":{"rendered":"https:\/\/22z.top\/?p=17"},"modified":"2025-07-28T22:12:28","modified_gmt":"2025-07-28T14:12:28","slug":"flask%e5%b8%b8%e7%94%a8%e6%a8%a1%e5%9d%97","status":"publish","type":"post","link":"https:\/\/22z.top\/?p=17","title":{"rendered":"Flask\u5e38\u7528\u6a21\u5757"},"content":{"rendered":"\n

Faker<\/h2>\n\n\n\n

\u6587\u6863: https:\/\/faker.readthedocs.io\/en\/master\/locales\/zh_CN.html<\/a><\/p>\n\n\n\n

\u6279\u91cf\u751f\u6210\u6d4b\u8bd5\u6570\u636e: https:\/\/github.com\/joke2k\/faker<\/a><\/p>\n\n\n\n

pip install faker -i https:\/\/pypi.douban.com\/simple<\/pre>\n\n\n\n
\u4ee3\u7801\uff1a<\/p>\n\n\n\n
from flask import Flask
from flask_sqlalchemy import SQLAlchemy
\u200b
app = Flask(__name__)
\u200b
class Config(object):
 \u00a0 \u00a0DEBUG = True
 \u00a0 \u00a0# \u6570\u636e\u5e93\u8fde\u63a5\u914d\u7f6e
 \u00a0 \u00a0# SQLALCHEMY_DATABASE_URI = \"\u6570\u636e\u5e93\u7c7b\u578b:\/\/\u6570\u636e\u5e93\u8d26\u53f7:\u5bc6\u7801@\u6570\u636e\u5e93\u5730\u5740:\u7aef\u53e3\/\u6570\u636e\u5e93\u540d\u79f0?charset=utf8mb4\"
 \u00a0 \u00a0SQLALCHEMY_DATABASE_URI = \"mysql:\/\/root:123@127.0.0.1:3306\/flaskdemo?charset=utf8mb4\"
 \u00a0 \u00a0# \u52a8\u6001\u8ffd\u8e2a\u4fee\u6539\u8bbe\u7f6e\uff0c\u5982\u672a\u8bbe\u7f6e\u53ea\u4f1a\u63d0\u793a\u8b66\u544a
 \u00a0 \u00a0SQLALCHEMY_TRACK_MODIFICATIONS = False
 \u00a0 \u00a0# \u67e5\u8be2\u65f6\u4f1a\u663e\u793a\u539f\u59cbSQL\u8bed\u53e5
 \u00a0 \u00a0SQLALCHEMY_ECHO = False
\u200b
app.config.from_object(Config)
\u200b
db = SQLAlchemy(app=app)
\u200b
class Student(db.Model):
 \u00a0 \u00a0\"\"\"\u5b66\u751f\u4fe1\u606f\u6a21\u578b\"\"\"
 \u00a0 \u00a0__tablename__ = \"db_student\"
 \u00a0 \u00a0id = db.Column(db.Integer, primary_key=True,comment=\"\u4e3b\u952e\")
 \u00a0 \u00a0name = db.Column(db.String(15), comment=\"\u59d3\u540d\")
 \u00a0 \u00a0age = db.Column(db.SmallInteger, comment=\"\u5e74\u9f84\")
 \u00a0 \u00a0sex = db.Column(db.Boolean, default=True, comment=\"\u6027\u522b\")
 \u00a0 \u00a0email = db.Column(db.String(128), comment=\"\u90ae\u7bb1\u5730\u5740\")
 \u00a0 \u00a0money = db.Column(db.Numeric(10,2), default=0.0, comment=\"\u94b1\u5305\")
\u200b
 \u00a0 \u00a0def __repr__(self):
 \u00a0 \u00a0 \u00a0 \u00a0return f\"{self.name}<Student>\"
\u200b
# \u81ea\u5b9a\u4e49\u6279\u91cf\u751f\u6210\u5b66\u751f
import random,click
from faker import Faker
# \u81ea\u5b9a\u4e49\u7ec8\u7aef\u547d\u4ee4
@app.cli.command(\"faker_user\") \u00a0 \u00a0 # \u6307\u5b9a\u7ec8\u7aef\u547d\u4ee4\u7684\u8c03\u7528\u540d\u79f0
@click.argument(\"num\", default=5, type=int) \u00a0# \u547d\u4ee4\u7684\u9009\u9879
def faker_user_command(num):
 \u00a0 \u00a0\"\"\"\u751f\u6210\u6d4b\u8bd5\u5b66\u751f\u4fe1\u606f\"\"\"
 \u00a0 \u00a0faker = Faker(locale=\"ZH_CN\")
 \u00a0 \u00a0for i in range(num):
 \u00a0 \u00a0 \u00a0 \u00a0sex = bool( random.randint(0,1) )
 \u00a0 \u00a0 \u00a0 \u00a0student = Student(
 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0name= faker.name_male() if sex else faker.name_female(),
 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0age=random.randint(15,60),
 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0sex=sex,
 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0email=faker.free_email(),
 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0money= float( random.randint(100,100000) \/ 100 ),
 \u00a0 \u00a0 \u00a0  )
 \u00a0 \u00a0 \u00a0 \u00a0db.session.add(student)
 \u00a0 \u00a0# \u5728\u5faa\u73af\u5916\u9762\u7edf\u4e00\u63d0\u4ea4
 \u00a0 \u00a0db.session.commit()
\u200b
@app.route(\"\/\")
def index():
 \u00a0 \u00a0return \"ok\"
\u200b
if __name__ == '__main__':
 \u00a0 \u00a0with app.app_context():
 \u00a0 \u00a0 \u00a0 \u00a0db.create_all()
 \u00a0 \u00a0app.run()
\u200b
\u200b
\"\"\"
export FLASK_APP=manage.py
flask faker-user 10
\"\"\"<\/pre>\n\n\n\n
flask-session<\/h2>\n\n\n\n
flask-session\uff0c\u5141\u8bb8\u8bbe\u7f6esession\u5230\u6307\u5b9a\u7684\u5b58\u50a8\u7a7a\u95f4\u4e2d\uff0c\u4f8b\u5982\uff1aredis\/mongoDB\/mysql\u3002<\/p>\n\n\n\n
\u6587\u6863: https:\/\/flask-session.readthedocs.io\/en\/latest\/<\/a><\/p>\n\n\n\n
pip install Flask-Session<\/pre>\n\n\n\n
\u4f7f\u7528session\u4e4b\u524d,\u5fc5\u987b\u914d\u7f6e\u4e00\u4e0b\u914d\u7f6e\u9879:<\/p>\n\n\n\n
# session\u79d8\u94a5
app.config[\"SECRET_KEY\"] = \"*(%#4sxcz(^(#$#8423\"<\/pre>\n\n\n\n
SQLAlchemy\u5b58\u50a8session\u7684\u57fa\u672c\u914d\u7f6e<\/h3>\n\n\n\n
\u9700\u8981\u624b\u52a8\u521b\u5efasession\u8868\uff0c\u5728\u9879\u76ee\u7b2c\u4e00\u6b21\u542f\u52a8\u7684\u65f6\u5019\uff0c\u4f7f\u7528db.create_all()<\/code>\u6765\u5b8c\u6210\u521b\u5efa\u3002<\/p>\n\n\n\n
from flask import Flask
from flask_sqlalchemy import SQLAlchemy
# \u5f15\u5165session\u5b58\u50a8\u9a71\u52a8\u7c7b
from flask_session import Session
# \u5f15\u5165sessio\u64cd\u4f5c\u7c7b\uff0c\u6ce8\u610f\uff1a\u5f15\u5165\u8def\u5f84\u4e0d\u540c\uff0c\u5927\u5c0f\u5199\u4e0d\u540c\u7684\u3002
from flask import session
\u200b
app = Flask(__name__, template_folder=\"templates\", static_folder=\"static\")
\u200b
db = SQLAlchemy()
\u200b
# \u5b9e\u4f8b\u5316session\u5b58\u50a8\u7c7b
session_store = Session()
\u200b
# \u914d\u7f6e
app.config.update({
 \u00a0 \u00a0\"DEBUG\": True,
 \u00a0 \u00a0# \u4f7f\u7528session\u4e4b\u524d,\u5fc5\u987b\u914d\u7f6e\u4e00\u4e0b\u79d8\u94a5
 \u00a0 \u00a0\"SECRET_KEY\": \"*(%#4sxcz(^(#$#8423\",
\u200b
 \u00a0 \u00a0# \u8981\u628a\u5b58\u50a8\u5230SQLAlchemy\uff0c\u5fc5\u987b\u914d\u7f6e\u6570\u636e\u5e93\u8fde\u63a5
 \u00a0 \u00a0# \"SQLALCHEMY_DATABASE_URI\": \"\u6570\u636e\u5e93\u7c7b\u578b:\/\/\u6570\u636e\u5e93\u8d26\u53f7:\u5bc6\u7801@\u6570\u636e\u5e93\u5730\u5740:\u7aef\u53e3\/\u6570\u636e\u5e93\u540d\u79f0?charset=utf8mb4\"
 \u00a0 \u00a0\"SQLALCHEMY_DATABASE_URI\": \"mysql:\/\/root:123@127.0.0.1:3306\/flaskdemo?charset=utf8mb4\",
 \u00a0 \u00a0# \u52a8\u6001\u8ffd\u8e2a\u4fee\u6539\u8bbe\u7f6e\uff0c\u5982\u672a\u8bbe\u7f6e\u53ea\u4f1a\u63d0\u793a\u8b66\u544a
 \u00a0 \u00a0\"SQLALCHEMY_TRACK_MODIFICATIONS\": False,
 \u00a0 \u00a0# \u67e5\u8be2\u65f6\u4f1a\u663e\u793a\u539f\u59cbSQL\u8bed\u53e5
 \u00a0 \u00a0\"SQLALCHEMY_ECHO\": False,
\u200b
 \u00a0 \u00a0# \u628asession\u901a\u8fc7SQLAlchmey\u4fdd\u5b58\u5230mysql\u4e2d
 \u00a0 \u00a0\"SESSION_TYPE\": \"sqlalchemy\", \u00a0# session\u7c7b\u578b\u4e3asqlalchemy
 \u00a0 \u00a0\"SESSION_SQLALCHEMY\": db, \u00a0# SQLAlchemy\u7684\u6570\u636e\u5e93\u8fde\u63a5\u5bf9\u8c61
 \u00a0 \u00a0\"SESSION_SQLALCHEMY_TABLE\": 'db_session', \u00a0# session\u8981\u4fdd\u5b58\u7684\u8868\u540d\u79f0
 \u00a0 \u00a0\"SESSION_PERMANENT\": True, \u00a0 \u00a0# \u5982\u679c\u8bbe\u7f6e\u4e3aTrue\uff0c\u5219\u5173\u95ed\u6d4f\u89c8\u5668session\u5c31\u5931\u6548
 \u00a0 \u00a0\"SESSION_USE_SIGNER\": True, \u00a0# \u662f\u5426\u5bf9\u53d1\u9001\u5230\u6d4f\u89c8\u5668\u4e0asession\u7684cookie\u503c\u8fdb\u884c\u6dfb\u52a0\u7b7e\u540d\uff0c\u9632\u6b62\u4e32\u6539\u3002
 \u00a0 \u00a0\"SESSION_KEY_PREFIX\": \"session:\" \u00a0# session\u6570\u636e\u8868\u4e2dsessionID\u7684\u524d\u7f00\uff0c\u9ed8\u8ba4\u5c31\u662f session:
})
\u200b
db.init_app(app)
\u200b
# \u52a1\u5fc5\u4fdd\u8bc1\u5728\u6570\u636e\u5e93\u914d\u7f6e\u521d\u59cb\u5316\u4ee5\u540e\u624d\u8fdb\u884csession\u5b58\u50a8\u7c7b\u7684\u521d\u59cb\u5316
session_store.init_app(app)
\u200b
\u200b
# \u5982\u679c\u8981\u628asession\u4fdd\u5b58\u5230\u6570\u636e\u5e93\u4e2d\uff0c\u5219\u5fc5\u987b\u5148\u6267\u884cdb.create_all() \u8ba9\u6570\u636e\u5e93\u63d0\u524d\u521b\u5efasession\u8868\u3002\u5426\u5219\u4f7f\u7528session\u65f6\u62a5\u9519\u3002
@app.route(\"\/create\")
def create_table():
 \u00a0 \u00a0db.create_all() \u00a0# \u4e3a\u9879\u76ee\u4e2d\u88ab\u8bc6\u522b\u7684\u6240\u6709\u6a21\u578b\u521b\u5efa\u6570\u636e\u8868
 \u00a0 \u00a0return \"ok\"
\u200b
\u200b
@app.route(\"\/drop\")
def drop_table():
 \u00a0 \u00a0db.drop_all() \u00a0# \u4e3a\u9879\u76ee\u4e2d\u88ab\u8bc6\u522b\u7684\u6240\u6709\u6a21\u578b\u5220\u9664\u6570\u636e\u8868
 \u00a0 \u00a0return \"ok\"
\u200b
@app.route(\"\/\")
def index():
 \u00a0 \u00a0return \"ok\"
\u200b
@app.route(\"\/set\")
def set_session():
 \u00a0 \u00a0session[\"uname\"] = \"xiaoming\"
 \u00a0 \u00a0session[\"age\"] = 18
 \u00a0 \u00a0return \"ok\"
\u200b
@app.route(\"\/get\")
def get_session():
 \u00a0 \u00a0print(session.get(\"uname\"))
 \u00a0 \u00a0print(session.get(\"age\"))
 \u00a0 \u00a0return \"ok\"
\u200b
@app.route(\"\/del\")
def del_session():
 \u00a0 \u00a0# \u6b64\u5904\u7684\u5220\u9664\uff0c\u4e0d\u662f\u5220\u9664\u7528\u6237\u5bf9\u5e94\u7684session\u8868\u8bb0\u5f55\uff0c\u800c\u662f\u5220\u9664session\u503c\u800c\u5df2\u3002
 \u00a0 \u00a0print(session.pop(\"uname\"))
 \u00a0 \u00a0print(session.pop(\"age\"))
 \u00a0 \u00a0return \"ok\"
\u200b
\u200b
if __name__ == '__main__':
 \u00a0 \u00a0app.run()
\u200b<\/pre>\n\n\n\n
redis\u4fdd\u5b58session\u7684\u57fa\u672c\u914d\u7f6e<\/h3>\n\n\n\n
\u8fd9\u4e2a\u529f\u80fd\u5fc5\u987b\u786e\u4fdd\uff0c\u670d\u52a1\u5668\u5fc5\u987b\u5df2\u7ecf\u5b89\u88c5\u4e86redis\u800c\u4e14\u5f53\u524d\u9879\u76ee\u865a\u62df\u73af\u5883\u4e2d\u5df2\u7ecf\u5b89\u88c5\u4e86redis\u6269\u5c55\u5e93<\/p>\n\n\n\n
pip install flask-redis -i https:\/\/pypi.douban.com\/simple<\/pre>\n\n\n\n
flask-redis\u662f\u7b2c\u4e09\u65b9\u5f00\u53d1\u8005\u4e3a\u4e86\u65b9\u4fbf\u6211\u4eec\u5728flask\u6846\u67b6\u4e2d\u96c6\u6210redis\u6570\u636e\u5e93\u64cd\u4f5c\u6240\u5c01\u88c5\u4e00\u4e2aredis\u64cd\u4f5c\u5e93\u3001<\/p>\n\n\n\n
\u5728flask\u4e2d\u8981\u57fa\u4e8eflask-redis\u8fdb\u884c\u6570\u636e\u5e93\u5219\u53ef\u4ee5\u5b8c\u6210\u4ee5\u4e0b3\u4e2a\u6b65\u9aa4\u5373\u53ef\uff1a<\/p>\n\n\n\n
from flask import Flask
from flask_redis import FlaskRedis
\u200b
# \u5b9e\u4f8b\u5316
app = Flask(__name__)
session_redis = FlaskRedis(config_prefix=\"SESSION\")
user_redis = FlaskRedis(config_prefix=\"USER\")
order_redis = FlaskRedis(config_prefix=\"ORDER\")
\u200b
# \u521d\u59cb\u5316 flask_redis
session_redis.init_app(app)
user_redis.init_app(app)
order_redis.init_app(app)
\u200b
@app.route(\"\/\")
def q2():
 \u00a0  user_redis.setnx(\"doing\", 100)
 \u00a0  return \"ok\"
\u200b
if __name__ == '__main__':
\u200b
 \u00a0  app.run(host=\"0.0.0.0\", port=5000, debug=True)<\/pre>\n\n\n\n
\u5728redis\u4e2d\u4fdd\u5b58session\uff0c\u4ee3\u7801\uff1a<\/p>\n\n\n\n
from flask import Flask
from flask_redis import FlaskRedis
from flask_session import Session
from flask import session
\u200b
app = Flask(__name__, template_folder=\"templates\", static_folder=\"static\")
\u200b
redis0 = FlaskRedis(config_prefix=\"REDIS\")
redis1 = FlaskRedis(config_prefix=\"SESSION_REDIS\")
session_store = Session()
# \u914d\u7f6e
app.config.update({
 \u00a0 \u00a0\"DEBUG\": True,
 \u00a0 \u00a0# \u4f7f\u7528session\u4e4b\u524d,\u5fc5\u987b\u914d\u7f6e\u4e00\u4e0b\u79d8\u94a5
 \u00a0 \u00a0\"SECRET_KEY\": \"*(%#4sxcz(^(#$#8423\",
 \u00a0 \u00a0\"REDIS_URL\": \"redis:\/\/:123456@127.0.0.1:6379\/0\",
 \u00a0 \u00a0\"SESSION_REDIS_URL\": \"redis:\/\/:123456@127.0.0.1:6379\/1\",
\u200b
 \u00a0 \u00a0# \u628asession\u4fdd\u5b58\u5230redis\u4e2d
 \u00a0 \u00a0\"SESSION_TYPE\": \"redis\", \u00a0# session\u7c7b\u578b\u4e3asqlalchemy
 \u00a0 \u00a0\"SESSION_PERMANENT\": True, \u00a0# \u5982\u679c\u8bbe\u7f6e\u4e3aTrue\uff0c\u5219\u5173\u95ed\u6d4f\u89c8\u5668session\u5c31\u5931\u6548
 \u00a0 \u00a0\"SESSION_USE_SIGNER\": True, \u00a0# \u662f\u5426\u5bf9\u53d1\u9001\u5230\u6d4f\u89c8\u5668\u4e0asession\u7684cookie\u503c\u8fdb\u884c\u6dfb\u52a0\u7b7e\u540d\uff0c\u9632\u6b62\u4e32\u6539\u3002
 \u00a0 \u00a0\"SESSION_KEY_PREFIX\": \"session:\", \u00a0# session\u6570\u636e\u8868\u4e2dsessionID\u7684\u524d\u7f00\uff0c\u9ed8\u8ba4\u5c31\u662f session:
 \u00a0 \u00a0# session\u4fdd\u5b58\u6570\u636e\u5230redis\u65f6\u542f\u7528\u7684\u94fe\u63a5\u5bf9\u8c61
 \u00a0 \u00a0\"SESSION_REDIS\": redis1, \u00a0 \u00a0 \u00a0# \u7528\u4e8e\u8fde\u63a5redis\u7684\u914d\u7f6e
})
\u200b
\u200b
redis0.init_app(app)
redis1.init_app(app)
\u200b
# \u52a1\u5fc5\u4fdd\u8bc1session\u5b58\u50a8\u7c7b\u521d\u59cb\u5316\u4e4b\u524d\uff0credis\u5df2\u7ecf\u5b8c\u6210\u521d\u59cb\u5316\u4e86\u3002
session_store.init_app(app)
\u200b
@app.route(\"\/\")
def index():
 \u00a0 \u00a0return \"ok\"
\u200b
\u200b
@app.route(\"\/set\")
def set_session():
 \u00a0 \u00a0session[\"uname\"] = \"xiaoming\"
 \u00a0 \u00a0session[\"age\"] = 18
 \u00a0 \u00a0return \"ok\"
\u200b
\u200b
@app.route(\"\/get\")
def get_session():
 \u00a0 \u00a0print(session.get(\"uname\"))
 \u00a0 \u00a0print(session.get(\"age\"))
 \u00a0 \u00a0return \"ok\"
\u200b
\u200b
@app.route(\"\/del\")
def del_session():
 \u00a0 \u00a0# \u6b64\u5904\u7684\u5220\u9664\uff0c\u662f\u76f4\u63a5\u5220\u9664\u4fdd\u5b58\u5728redis\u4e2d\u7684\u6570\u636e\uff0c\u5f53\u6240\u6709session\u88ab\u5220\u9664\uff0c\u5219key\u4e5f\u4f1a\u6d88\u5931\u4e86\u3002
 \u00a0 \u00a0print(session.pop(\"uname\"))
 \u00a0 \u00a0print(session.pop(\"age\"))
 \u00a0 \u00a0return \"ok\"
\u200b
\u200b
if __name__ == '__main__':
 \u00a0 \u00a0app.run()<\/pre>\n\n\n\n
<\/h1>\n","protected":false},"excerpt":{"rendered":"
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