flask学习记录尽量将学习的部分写到了一个文件中。
数据库交互部分还是用python-mysql。
主要是学习，不考虑交互，大并发部分。
详细结构在附件中。
#!/bin/env python
# -*- coding:utf-8 -*-
# Date: 2015-04-01
# Author: simonzhang
# web: www.simonzhang.net
# Email: simon-zzm@163.com
# _ooOoo_
# o8888888o
# 88" . "88
# (| -_- |)
# O\ = /O
# ____/`---'\____
# .' \\| |// `.
# / \\||| : |||// \
# / _||||| -:- |||||- \
# | | \\\ - /// | |
# | \_| ''\---/'' | |
# \ .-\__ `-` ___/-. /
# ___`. .' /--.--\ `. . __
# ."" '< `.___\_<|>_/___.' >'"".
# | | : `- `.;`\ _ /`;.`/ - ` : | |
# \ \ `-. \_ __\ /__ _/ .-` / /
#======`-.____`-.___\_____/___.-`____.-'======
# `=---='
#^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
# 佛祖保佑 代码高性能 不宕机 无bug
### END INIT INFO
import os
from flask import Flask, url_for
from flask import request, render_template, redirect
from flask import session, escape
# 上传使用
from werkzeug import secure_filename
# 导入配置文件
from config import *
# 还是使用python mysql获取数据
from mysqlrun import *
app = Flask(__name__)
# 过滤后缀
def allowed_file(filename):
return '.' in filename and \
filename.rsplit('.', 1)[1] in ALLOWED_EXTENSIONS
# 测试GET和POST，文件上传部分
# 测试GET的链接 http://127.0.0.1:5000/test?name=simonzhang.net
@app.route('/test', methods=['GET', 'POST'])
def test(name=None):
if request.method == 'GET':
if request.args.get('name',''):
_name = request.args.get('name','')
else:
_name = 'hi'
return render_template('test.html', name=_name)
elif request.method == 'POST':
file = request.files['upfile']
# 上传了真实文件，并且后缀是通过的才保存
if file and allowed_file(file.filename):
# 此部分需要使用 from werkzeug import secure_filename
file.save(os.path.join(app.config['UPLOAD_FOLDER'], secure_filename(file.filename)))
return render_template('test.html', name="ok")
else:
pass
# 测试cookie 当前还未完全成功
from flask import make_response
@app.route('/testcookie', methods=['GET'])
def testcookie():
if request.method == 'GET':
get_type = request.args.get('t','')
get_value = request.args.get('v','')
if get_type == 'r':
_v = request.cookies.get('username')
return 'user name : %s' % _v
else:
#resp = make_response(render_template('/'))
request.set_cookie('username', get_value)
return 'ok !!@'
# 错误页
@app.errorhandler(404)
def page_not_found(error):
return render_template('404.html'), 404
# 判断是否登陆
@app.route('/')
def index():
if 'username' in session:
return 'Logged in as %s' % escape(session['username'])
return 'You are not logged in'
# 登陆，简单的登陆页面，使用session
@app.route('/login', methods=['GET', 'POST'])
def login():
if request.method == 'POST':
session['username'] = request.form['username']
return redirect(url_for('index'))
return '''
'''
# 注销
@app.route('/logout')
def logout():
session.pop('username', None)
return redirect(url_for('index'))
if __name__ == '__main__':
#app.debug = False
app.debug = True
# 上传部分
app.config['UPLOAD_FOLDER'] = UPLOAD_FOLDER
app.config['MAX_CONTENT_LENGTH'] = UPLOAD_FILE_SIZE
# 安全
app.secret_key = secret_key
app.run(host = '0.0.0.0', port=500)
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