Web2py也有意思的

多学学，以后可以方便的自己写代码了。

对于各种WEB框架，这也是打一个基础的时候。

相信学入门了，对PHP的,JAVA的WEB框架，都是能理解更深入的。

def index():

    """

    example action using the internationalization operator T and flash

    rendered by views/default/index.html or views/generic.html

if you need a simple wiki simply replace the two lines below with:

    return auth.wiki()

    """

    if not session.counter:

        session.counter = 1

    else:

        session.counter += 1

    #response.flash = T("Welcome to web2py!")

    return dict(message="Hello, Sky from MyApp!", counter=session.counter)
def first():

    form = SQLFORM.factory(Field(‘visitor_name‘, requires=IS_NOT_EMPTY()))

    if form.process().accepted:

        session.visitor_name = form.vars.visitor_name

        redirect(URL(‘second‘))

    return dict(form=form)
def second():

    if not request.function==‘first‘ and not session.visitor_name:

        redirect(URL(‘first‘))

    return dict()

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