import json
from functools import wraps
from . import *
from flask import render_template, request, flash, redirect, url_for, make_response, session,escape
from .forms import RegisterForm,ArticleForm
from passlib.hash import sha256_crypt
from .models import Users,Artciles
@app.route('/register',methods=['GET','POST'])
def register():
form = RegisterForm(request.form)
if form.validate_on_submit():
# 接收表单数据
email = form.email.data
username = form.username.data
password = sha256_crypt.encrypt(str(form.password.data))
# 存入数据库
user = Users()
user.email =email
user.username = username
user.password = password
db.session.add(user)
db.session.commit()
flash('您已注册成功，请登录','success')
return redirect(url_for('login'))
return render_template('register.html',form=form)
@app.route('/login',methods=['GET','POST'])
def login():
# 查看是否已经登录，若已登录，直接跳转
if 'login_in' in request.cookies:
return redirect(url_for('dashboard'))
else:
if 'login_in' in session:
session['login_in'] = True
session['username'] = request.cookies.get('username')
return redirect(url_for('dashboard'))
if request.method == 'POST':
# 获取表单数据
username = request.form['username']
password_candicate = request.form['password']
res = Users.query.filter_by(username=username).first()
if res:
password = res.password
if sha256_crypt.verify(password_candicate,password):
# 调用verify方法验证如果为真，验证通过
# 写入cookie
response = make_response(
'<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">\n'
"<title>Redirecting...</title>\n"
"<h1>Redirecting...</h1>\n"
"<p>You should be redirected automatically to target URL: "
'<a href="%s">%s</a>. If not click the link.'
% (escape(url_for('dashboard')),
escape(url_for('dashboard'))), 302)
response.set_cookie('login_in','True',max_age=60*60*24*38)
response.set_cookie('username',username,max_age=60*60*24*38)
# 存入session
session['login_in'] = True
session['username']=username
response.location = escape(url_for('dashboard'))
return response
else:
error = '用户名和密码不匹配'
return render_template('login.html',error=error)
else:
error = '用户名不存在'
return render_template('login.html',error=error)
return render_template('login.html')
def is_login_in(f):
@wraps(f)
def wrap(*args,**kwargs):
if 'login_in' in session:
return f(*args,**kwargs)
else:
flash('无权访问，请先登录','danger')
return redirect(url_for('login'))
return wrap
@app.route('/logout')
@is_login_in
def logout():
if 'login_in' in request.cookies:
response = make_response(
'<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">\n'
"<title>Redirecting...</title>\n"
"<h1>Redirecting...</h1>\n"
"<p>You should be redirected automatically to target URL: "
'<a href="%s">%s</a>. If not click the link.'
% (escape(url_for('index')),
escape(url_for('index'))), 302)
response.delete_cookie('login_in')
response.location = escape(url_for('index'))
return response
else:
session.clear()
flash('您已成功退出', 'success')
return redirect(url_for('index'))
@app.route('/dashboard')
@is_login_in
def dashboard():
notes = Artciles.query.order_by(Artciles.timestamp.desc()).all()
if notes:
return render_template('dashboard.html',notes=notes)
else:
msg = '暂无笔记信息'
return render_template('dashboard.html',msg=msg)
@app.route('/artcile/<string:id>')
@is_login_in
def artcile(id):
note = Artciles.query.get(id)
return render_template('article.html',note=note)
@app.route('/add_article',methods=['GET','POST'])
@is_login_in
def add_article():
form = ArticleForm()
if form.validate_on_submit():
note = Artciles()
note.title = form.title.data
note.author = session['username']
note.body = form.body.data
db.session.add(note)
db.session.commit()
flash('提交成功','success')
return redirect(url_for('dashboard'))
return render_template('add_article.html', form=form) # 渲染模板
@app.route('/delete_article/<int:id>',methods=['POST'])
@is_login_in
def delete_article(id):
note = Artciles.query.filter_by(id=id).first()
print(note.body)
db.session.delete(note)
db.session.commit()
flash('删除成功','success')
return redirect(url_for('dashboard'))
@app.route('/edit_article/<int:id>',methods=['GET','POST'])
@is_login_in
def edit_article(id):
note = Artciles.query.filter_by(id=id).first()
if not note:
flash('ID错误','danger')
return redirect(url_for('dashboard'))
form = ArticleForm(request.form)
if form.validate_on_submit():
note.title = form.title.data
note.body = form.body.data
db.session.add(note)
db.session.commit()
flash('更改成功','success')
return redirect(url_for('dashboard'))
form.title.data = note.title
form.body.data = note.body
return render_template('edit_article.html',form=form)
@app.route('/')
def index():
return render_template('home.html')
# 如果表单提交且字段验证通过,查询数据库是否存在相同数据
# 如果存在，返回错误提示，如果不存在，则存入数据库
@app.route('/check_info')
def check_info(data):
# 接收数据
email = data
if Users.object.filter(email=email):
dic = {
'status':0,
'msg':'邮箱已被注册'
}
else:
dic = {
'status': 1,
'msg': '邮箱可以使用'
}
return json.dumps(dic)
@app.route('/checkLogged')
def checkLogged():
if 'login_in' in session:
dic = {
'loginStatus':1,
}
else:
dic = {
'loginStatus':0,
}
print(dic['loginStatus'])
return json.dumps(dic)
if __name__ == '__main__':
app.run(debug=True)
基于Python+Flask框架开发的在线笔记系统设计与实现-毕业设计源码+使用文档（高分优秀项目）.zip
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基于Python+Flask框架开发的在线笔记-毕业设计源码+使用文档（高分优秀项目）.zip （46个子文件） 
Notes-master Notes 
__init__.py 369B venv pyvenv.cfg 124B Scripts 
python.exe 511KB deactivate.bat 368B pythonw.exe 510KB activate.bat 986B Activate.ps1 1KB activate 2KB app.py 7KB models.py 886B templates 
register.html 955B includes _navbar.html 1KB _formhelpers.html 250B _messages.html 393B _footer.html 294B articles.html 579B article.html 283B dashboard.html 966B home.html 386B login.html 1KB layout.html 737B edit_article.html 672B about.html 237B add_article.html 679B .idea workspace.xml 9KB misc.xml 302B Notes.iml 748B inspectionProfiles profiles_settings.xml 174B modules.xml 269B __pycache__ forms.cpython-37.pyc 1KB app.cpython-37.pyc 5KB models.cpython-37.pyc 888B __init__.cpython-37.pyc 506B test.py 403B static 
注销drawio.png 10KB 更新笔记流程图.png 15KB js login.js 544B register.js 845B navbar.js 537B 注册流程图.png 21KB 创建文章流程图.png 18KB 登录流程图.png 61KB css style.css 420B 删除笔记流程图.png 20KB forms.py 1KB
171265889347208773632.zip 416B资源评论
