webpy简单使用

#!/usr/bin/env python

import web
import pymysql.cursors

# Connect to the database
connection = pymysql.connect(host='127.0.0.1',
                             port=3306,
                             user='root',
                             password='123',
                             db='test',
                             charset='utf8mb4',
                             cursorclass=pymysql.cursors.DictCursor)


render = web.template.render('templates/')
web.template.Template.globals['render'] = render

urls = (
    # '/(.*)', 'hello',
    '/index', 'index',
)

app = web.application(urls, globals())


class index:

    def GET(self):
        return render.index()

    def POST(self):
        # para = web.data()
        p = web.input()
        # print(p)

        with connection.cursor() as cursor:
            sql = """SELECT userid FROM user_shenqing WHERE userid=%s AND nickname=%s"""
            cursor.execute(sql, (p.fname, p.lname))
            result = cursor.fetchall()
            # print(result)

        if result:
            return '<H1>Hello, {}!<H1>'.format(p.fname)
        else:
            return '<H1>{}!<H1>'.format('username or password is wrong!')
        

if __name__ == "__main__":
    app.run()

　　

render = web.template.render('templates/')  指定模版路径

web.data() POST模式接收数据
web.input() GET和POST模式接收数据