@app.route('/upload', methods=['GET','POST'])
def upload():
if request.method == 'POST':
username = request.form['username']
file = request.files['img']
filename = file.filename
file.save(os.path.join(imagepath,filename))
return "<img src='static/images/%s' alt=''/>" % filename
else:
return render_template('upload.html')
@app.route('/login/', methods=['GET','POST'])
def login():
if request.method == 'POST':
username = request.form.get('username')
if username in user_list:
response = make_response(redirect('/'))
response.set_cookie('username', value=username, max_age=300)
session['islogin'] = '1'
return response
else:
session['islogin'] = '0'
return redirect('/login/')
else:
return render_template('login.html')
if __name__ == '__main__':
app.run(debug=True,host='0.0.0.0',port=5000)
主要有首页、注册、登录、上传页面。
blog.py主要是展示了Flask中常见功能用法：路由，数据库操作，cookie，session，redirect，表单，文件上传，调试，Web服务器的IP和端口，静态文件读取等。
3、首页模板index.html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"/>
<title>Flask DEMO</title>
<link rel="stylesheet" type="text/css" href="static/css/index.css"/>
</head>
<body>
<div class="header">
{%if islogin == '1' %}
<h1>Welcome ,{{username}}!</h1>
{%else%}
<h1>{{username}}!</h1>
{%endif%}
<div class="nav">
<ul>
