python 实现任务管理清单案例

作者：zcx1203 时间：2023-09-01 04:59:17　

base.html:

{％ extends "bootstrap/base.html" ％}

{％ block styles ％}
{{ super() }}
<link rel="stylesheet" href="../static/css/main.css" rel="external nofollow" >
{％ endblock ％}

{％ block navbar ％}
<nav class="navbar navbar-default">
<div class="container-fluid">

<div class="navbar-header">
<button type="button" class="navbar-toggle collapsed" data-toggle="collapse"
data-target="#bs-example-navbar-collapse-1" aria-expanded="false">
<span class="sr-only">Toggle navigation</span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<a class="navbar-brand" href="index.html" rel="external nofollow" ></a>
</div>


<div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
<ul class="nav navbar-nav">
<li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" ></a></li>
<li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" ></a></li>
<li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >首页<span class="sr-only">(current)</span></a></li>
<li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >新闻</a></li>
<li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >国际</a></li>
<li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >国内</a></li>
<li><a href="/sysinfo/" rel="external nofollow" >系统信息</a></li>
<li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >登陆用户</a></li>
</ul>
<ul class="nav navbar-nav navbar-right">

{％ if 'user' in session ％}
<li><a href="login.html" rel="external nofollow" ><span class="glyphicon glyphicon-user"></span>
   {{ session.user }}</a></li>
<li><a href="/logout/" rel="external nofollow" ><span class="glyphicon glyphicon-log-in"></span>
   注销 </a></li>

{％ else ％}

<li><a href="/login/" rel="external nofollow" ><span class="glyphicon glyphicon-log-in"></span>
  登陆</a></li>
<li><a href="/register/" rel="external nofollow" ><span class="glyphicon glyphicon-log-out"></span>
  注册</a></li>
{％ endif ％}

</ul>
</div>
</div>
</nav>
{％ endblock ％}

{％ block content ％}
{#定义属于自己的block#}
{％ block newcontent ％}

{％ endblock ％}

{％ block footer ％}

<div class="footer">

京ICP备11008151号京公网安备11010802014853

</div>

{％ endblock ％}
{％ endblock ％}

list.html:

{％ extends 'base.html' ％}

{％ block newcontent ％}
<div class="row">
<div class="col-md-6 col-md-offset-3">
/*添加任务*/
<form class="form-horizontal" action="/todo/add/" method="post">
<div class="form-group">
{# 添加框 #}
<div class="col-sm-9">
<input type="text" class="form-control" placeholder="请添加任务" required="required"
name="todo_name">
</div>
{# 选择框 #}
<div class="col-sm-2">
<select class="form-control" name="part">
{％ for part in parts ％}
<option value="{{ part.id }}">{{ part.name }}</option>
{％ endfor ％}
</select>
</div>

{# 添加的按钮 #}
<div class="col-sm-1">
<input type="submit" class="btn btn-success" value="添加任务">
</div>
</div>

</form>

/*任务显示*/
<h1>添加任务</h1>
<table class="table table-bordered">
<tr>
<td>任务内容</td>
<td>创建时间</td>
<td>状态</td>
<td>所属部门</td>
<td>操作</td>
</tr>
{％ for todo in todos ％}
<tr>
<td>{{ todo.name }}</td>
<td>{{ todo.add_time }}</td>
{# #}
<td>
{％ if todo.status ％}
<a href="/todo/undo/{{ todo.id }}/" rel="external nofollow" class="btn btn-sm btn-success" role="button"><span
class="glyphicon glyphicon-ok"></span> 已完成</a>

{％ else ％}
<a href="/todo/done/{{ todo.id }}/" rel="external nofollow" class="btn btn-sm btn-warning" role="button"><span
class="glyphicon glyphicon-remove"></span> 未完成</a>

{％ endif ％}

</td>
<td>{{ todo.department.name }}</td>
<td><a href="/todo/delete/{{ todo.id }}/" rel="external nofollow" class="btn btn-sm btn-danger" role="button"><span
class="glyphicon glyphicon-remove"></span> 删除</a></td>
</tr>

{％ endfor ％}

</table>
</div>
</div>

{％ endblock ％}

models.py:

from datetime import datetime
from flask import Flask
from flask_sqlalchemy import SQLAlchemy
from flask_bootstrap import Bootstrap

app = Flask(__name__)
app.config['SQLALCHEMY_DATABASE_URI'] = 'mysql+pymysql://root:971203@localhost/Todo'
# SQLAlchemy 将会追踪对象的修改并且发送信号。
app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = True
db = SQLAlchemy(app)
bootstrap = Bootstrap(app)
app.config['SECRET_KEY'] = 'westos'
# 1). 面向对象方式创建表
# 2). 分析关系:
# 部门和用户: 一对多
# 用户和任务: 一对多的关系
# 用户和用户登录日志: 一对多的关系
# 实现一对多(Role(1): User(n))的关系
# - 多的一端写外键
# - 少的一端写反向引用

class User(db.Model):
id = db.Column(db.Integer, autoincrement=True, primary_key=True)
# unique:用户名唯一, nullable=False指用户名不能为空;
name = db.Column(db.String(50), unique=True, nullable=False)
pwd = db.Column(db.String(100))
email = db.Column(db.String(30), unique=True)
phone = db.Column(db.String(30), unique=True)
info = db.Column(db.Text) # 个人简介
add_time = db.Column(db.DateTime, default=datetime.now()) # 创建时间
department_id = db.Column(db.Integer, db.ForeignKey('department.id'))
todos = db.relationship('Todo', backref='user')
userlogs = db.relationship('Userlog', backref='user')
# 部门id与其他表关联，不能随便写

def __repr__(self):
return '<User: ％s>' ％(self.name)

# 部门
class Department(db.Model):
id = db.Column(db.Integer, autoincrement=True, primary_key=True)
name = db.Column(db.String(50), unique=True, nullable=False)
# 反向引用: user就包含一个属性， department
users = db.relationship('User', backref='department')
todos = db.relationship('Todo', backref='department')
def __repr__(self):
return '<Department: ％s>' ％(self.name)

class Todo(db.Model):
id = db.Column(db.Integer, autoincrement=True, primary_key=True)
name = db.Column(db.String(200), nullable=False)
add_time = db.Column(db.DateTime, default=datetime.now()) # 创建时间
status = db.Column(db.Boolean, default=False) # 任务状态，默认为Flase(未完成)
department_id = db.Column(db.Integer, db.ForeignKey('department.id'))
user_id = db.Column(db.Integer,db.ForeignKey('user.id') )

def __repr__(self):
return '<Todo: ％s>' ％ (self.id)

# 用户登录日志
class Userlog(db.Model):
id = db.Column(db.Integer, autoincrement=True, primary_key=True)
add_time = db.Column(db.DateTime, default=datetime.now()) # 创建时间
ip = db.Column(db.String(200), nullable=False) # 登录ip
area = db.Column(db.String(200)) # 用户登录地点
user_id = db.Column(db.Integer, db.ForeignKey('user.id')) # 外键

def __repr__(self):
return '<Userlog: ％s>' ％ (self.ip)

views.py:

from flask import render_template, request, redirect, url_for, session

from models import app, Todo, db, Department,User
from mDB import isPasswdOk,isUserExist,addUser
from forms import LoginForm,RegisterForm
@app.route('/')
def index():
return render_template('base.html')
@app.route('/register/')
def register():
form = RegisterForm()
if form.validate_on_submit():
user = request.form('user')
passwd = request.form('passwd')
return render_template('register.html')

@app.route('/login/',methods=['GET','POST'])
def login():
form = LoginForm()
# 如果是post方法并且表单验证通过的话，返回True;
if form.validate_on_submit():
# 1). 获取用户提交的表单信息
# print(form.data) 是字典类型，内容如下:
# {'user': 'westos', 'passwd': 'westos', 'submit': True }
user = form.data['user']
passwd = form.data['passwd']
# 2. 判断用户名和密码是否正确

if isPasswdOk(user, passwd):
# 将用户名和密码信息存储到session中;
session['user'] = user
session['passwd'] = passwd
# 如果登陆成功, 跳转到主页;
return redirect(url_for('todo_list'))
else:
# 如果登陆失败, 重新登陆;
return render_template('login.html',form=form, message="用户名或者密码错误")
return render_template('login.html', form=form)
@app.route('/logout/')
def logout():
session.pop('user',None)
session.pop('passwd',None)
return redirect(url_for('todo_list'))
# 任务的增删改查
@app.route('/todo/add/', methods=['POST'])
def todo_add():
# 获取提交的任务信息
name = request.form['todo_name']
part = request.form['part']
# 添加完成之后，返回任务列表显示页面
u = User.query.filter_by(name=session['user']).first()
id = u.id
todo = Todo(name=name, department_id=part, user_id=id)
db.session.add(todo)
db.session.commit()

return redirect(url_for('todo_list'))

@app.route('/todo/delete/<int:id>/')
def todo_delete(id):
u = Todo.query.filter_by(id=id).first()
db.session.delete(u)
db.session.commit()
return redirect(url_for('todo_list'))

@app.route('/list/')
def todo_list():
# 1). 从数据库中查询
todos = Todo.query.all()
parts = Department.query.all()

return render_template('list.html',
todos = todos,
parts=parts)

# 修改任务的状态(变成已完成状态/变成未完成状态)
@app.route('/todo/undo/<int:id>/')
def undo(id):
todo = Todo.query.filter_by(id=id).first()
todo.status = False
db.session.commit()
# 更新状态后，返回任务列表页
return redirect(url_for('todo_list'))

@app.route('/todo/done/<int:id>/')
def done(id):
todo = Todo.query.filter_by(id=id).first()
todo.status = True
db.session.commit()
# 更新状态后，返回任务列表页
return redirect(url_for('todo_list'))