Flask实现
from flask import Flask,render_template,request,redirect,session
app = Flask(__name__) # 一个Flask类的对象
app.secret_key = 'u2jksidjflsduwerjl'
app.debug = True
USER_DICT = {
'1': {'name':'志军','age':18},
'2': {'name':'大伟','age':48},
'3': {'name':'梅凯','age':38},
}
@app.route('/login',methods=['GET',"POST"])
def login():
if request.method == 'GET':
return render_template('login.html')
user = request.form.get('user') # 获取POST传过来的值
pwd = request.form.get('pwd') # 获取POST传过来的值
if user == 'alex' and pwd == '123':
# 用户信息放入session
session['user_info'] = user
return redirect('/index')
else:
return render_template('login.html',msg ='用户名或密码错误')
# return render_template('login.html',**{'msg':'用户名或密码错误'})
@app.route('/index',endpoint='n1')
def index():
user_info = session.get('user_info')
if not user_info:
return redirect('/login')
return render_template('index.html',user_dict = USER_DICT)
@app.route('/detail')
def detail():
user_info = session.get('user_info')
if not user_info:
return redirect('/login')
uid = request.args.get('uid')
info = USER_DICT.get(uid)
return render_template('detail.html',info = info)
@app.route('/logout')
def logout():
del session['user_info']
return redirect('/login')
if __name__ == '__main__':
app.run()templateslogin.html
<!DOCTYPE html>
<html lang="zh-cn">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>休息系统-用户登录</title>
</head>
<body>
<h1>登录</h1>
<form method="post">
<input type="text" name="user">
<input type="password" name="pwd">
<input type="submit" value="提交"> {{msg}}
</form>
</body>
</html>templatesindex.html
<!DOCTYPE html>
<html lang="zh-cn">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Title</title>
</head>
<body>
<ul>
{% for k,v in user_dict.items() %}
<li>{{v.name}} <a href="/detail?uid={{k}}">查看详细</a></li>
{% endfor %}
</ul>
</body>
</html>templatesdetail.html
<!DOCTYPE html>
<html lang="zh-cn">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Title</title>
</head>
<body>
<h1>详细信息</h1>
<div>{{info.name}}</div>
<div>{{info.age}}</div>
</body>
</html>app.run=>run_simple
from werkzeug.wrappers import Request, Response
from werkzeug.serving import run_simple
@Request.application
def hello(request):
return Response('Hello World!')
if __name__ == '__main__':
# 请求一旦到来，执行第三个参数 参数()
run_simple('localhost', 4000, hello) # hello（xxx）