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基于ajax的网站的PHP爬虫?(php crawler for ajax based websites?)

也许这听起来很幼稚,但是有没有什么东西甚至可以远程接近基于ajax的网站的php爬虫?


Maybe this is gonna sound naive and all, but is there something even remotely close to a php crawler for ajax based websites?


原文:https://stackoverflow.com/questions/6070825
更新时间:2022-02-06 10:02

最满意答案

你的代码奇怪的主要原因是你所有的西装词典( SHDC )都引用了同一个字典。 如果您希望它们指向不同的引用(例如S, H, D, C = {}, {}, {}, {}S, H, D, C = {}, {}, {}, {}则需要单独初始化它们。

话虽如此, eval (几乎)绝不是解决方案。 在你的情况下,我会做类似的事情:

keys = list('23456789TJQKA')
values = range (13)
suitDict = {}
for key,value in zip(keys, values):
    suitDict[key] = value
dealList = 'AQJT5.KQ.8.KQT95 3.A765.QT743.843 974.T93.J92.AJ62 K862.J842.AK65.7'.split()
players = list('NESW')
suits = {"S": {}, "H": {}, "D": {}, "C": {}}
playerHand = {}
for player,hand in zip(players,dealList):
    playerHand[player] = hand
    print player,hand
        for suit,cards in zip(suits,playerHand[player].split('.')):
            print "SC:",suit,cards
            for card in cards:
                suits[suit][suitDict[card]] = player
                print "card",card,"Suit",suit,"X",suits[suit],"card",suitDict[card],"player",player

话虽如此,我认为你的案件过于复杂......


Your code oddity is mainly caused by the fact that all your suit dictionaries (S, H, D and C) are referencing the same dictionary. You need to initialize them separately if you want them to point to a different reference (e.g. S, H, D, C = {}, {}, {}, {}).

That being said, eval is (almost) never a solution. In your case, I'd do something like:

keys = list('23456789TJQKA')
values = range (13)
suitDict = {}
for key,value in zip(keys, values):
    suitDict[key] = value
dealList = 'AQJT5.KQ.8.KQT95 3.A765.QT743.843 974.T93.J92.AJ62 K862.J842.AK65.7'.split()
players = list('NESW')
suits = {"S": {}, "H": {}, "D": {}, "C": {}}
playerHand = {}
for player,hand in zip(players,dealList):
    playerHand[player] = hand
    print player,hand
        for suit,cards in zip(suits,playerHand[player].split('.')):
            print "SC:",suit,cards
            for card in cards:
                suits[suit][suitDict[card]] = player
                print "card",card,"Suit",suit,"X",suits[suit],"card",suitDict[card],"player",player

That being said, I think you're over-complicating your case...

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