文件结构
项目配置
config.py
import os
import pymysql
class Config(object):
ECRET_KEY = os.environ.get('SECRET_KEY') or 'secret key'
# app.secret_key='sjehfjeefrjewth43u' #设置session加密
JSON_AS_ASCII=False #指定json编码格式 如果为False 就不使用ascii编码，
JSONIFY_MIMETYPE="application/json;charset=utf-8" #指定浏览器渲染的文件类型，和解码格式；
SESSION_PERMANENT = False
SESSION_TYPE = "filesystem"
# 数据库链接的配置，此项必须，格式为（数据库+驱动://用户名:密码@数据库主机地址:端口/数据库名称）
SQLALCHEMY_DATABASE_URI = 'mysql+pymysql://root:root123456@49.233.175.110:3306/db'
SQLALCHEMY_TRACK_MODIFICATIONS = True # 跟踪对象的修改，在本例中用不到调高运行效率，所以设置为False
ext.py
from flask_sqlalchemy import SQLAlchemy
db = SQLAlchemy()
静态文件static
app应用
models.py
from HandlingProject.ext import db
class Userinfo(db.Model): # 继承SQLAlchemy.Model对象，一个对象代表了一张表
id= db.Column(db.Integer, primary_key=True, autoincrement=True, unique=True) # id 整型，主键，自增，唯一
username = db.Column(db.String(20)) # 名字 字符串长度为20
password = db.Column(db.String(20)) # 年龄 整型，默认为20
__tablename__ = 'userinfo' # 该参数可选，不设置会默认的设置表名，如果设置会覆盖默认的表名
def __init__(self, username, password): # 初始化方法，可以对对象进行创建
self.username = username
self.password = password
views.py
from flask import Blueprint, request, redirect
from flask import session
from users.models import Userinfo
from flask import render_template
user = Blueprint('users', __name__, template_folder='templates', static_folder='staitc')
@user.before_request
def check(*args, **kwargs):
# 中间间 登陆认证
if request.path == '/login/':
return None
elif session.get('user'):
return None
else:
return redirect('/login/')
@user.route("/login/", methods=["GET", "POST"])
def login():
# 登陆
code = {"info": None, }
username = request.args.get("username")
password = request.args.get("password")
obj = Userinfo.query.filter(Userinfo.username == username, Userinfo.password == password).first()
if obj:
session['user'] = obj.username
code["info"] = "登陆成功"
return redirect('/index/')
else:
code["info"] = "密码或者账号不正确"
return render_template("login.html", code=code)
@user.route('/index/')
def index():
# 首页
return render_template('index.html')
@user.route("/logut/")
def logout():
# 注销
del session["user"]
return redirect('/login/')
启动文件入口
from flask import Flask
from users.views import user
from youtube.views import youtu_video
from flask_session import Session
from youtube.models import Author,Video
from flask_sqlalchemy import SQLAlchemy
from flask_script import Manager
from HandlingProject.config import Config
from HandlingProject.ext import db
app = Flask(__name__)
manager = Manager(app=app) # 初始化manager模块
app.config.from_object(Config)
db.init_app(app)
with app.app_context():
db.create_all()
Session(app)
app.register_blueprint(user, url_prefix=None)
app.register_blueprint(youtu_video, url_prefix='/youtu_video/')
app.run(host='127.0.0.1', port=9090, debug=True)
