PhantomJS不渲染JavaScript的像鉻

我特林從這個地址http://www.yesplanet.co.il/presentationsJSON PhantomJS不渲染JavaScript的像鉻

當我使用的是正常的瀏覽器，如Chrome瀏覽器獲得JSON，它似乎像瀏覽器發出第一個HTTP請求http://www.yesplanet.co.il/presentationsJSON，然後呈現一些js創建一個名爲rbzid的新cookie，最後向http://www.yesplanet.co.il/presentationsJSON發出第二個http請求。

只有這樣的階躍響應的身體包含所需的JSON

以下是提琴手一些截圖：第一個請求：

與第二：

然而，當我嘗試加載使用PhantomJS這個頁面，它纔有了第一個請求，從不提供JSON

from selenium import webdriver 

driver = webdriver.PhantomJS() 
driver.get("http://www.yesplanet.co.il/presentationsJSON") 
print driver.page_source

個

打印此：

<html><head><meta charset="utf-8"></head><body><script>window.rbzns = {fiftyeightkb: 1800000, days_in_week : 7};</script><script>var h9U={'L6':function(U,b){return U!=b;},'t6':function(U,b){return U|b;},'R6':function(U,b){return U>>>b;},'l2':function(U,b){return U===b;},'T7H':(function(L7H){return (function(C7H,r7H){return (function(W7H){return {v7H:W7H};})(function(B7H){var R7H,E7H=0;for(var q7H=C7H;E7H<B7H["length"];E7H++){var X7H=r7H(B7H,E7H);R7H=E7H===0?X7H:R7H^X7H;}return R7H?q7H:!q7H;});})((function(c7H,J7H,P7H,f7H){var F7H=32;return c7H(L7H,F7H)-f7H(J7H,P7H)>F7H;})(parseInt,Date,(function(J7H){return (''+J7H)["substring"](1,(J7H+'')["length"]-1);})('_getTime2'),function(J7H,P7H){return new J7H()[P7H]();}),function(B7H,E7H){var O7H=parseInt(B7H["charAt"](E7H),16)["toString"](2);return O7H["charAt"](O7H["length"]-1);});})('6ia8u0v00'),'n2':function(U,b){return U==b;},'x2':function(U,b){return U&b;},'N0':function(U,b){return U&b;},'p6':function(U,b){return 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有沒有一種方法，使PhantomJS要像Chrome，並在第二個請求呢？

謝謝！

來源

2017-03-18 AvielNiego

看起來您的腳本在頁面發出第二個請求之前完成。如果是這樣的話，那麼你需要使用WebDriverWait，再加上一個expected_conditions：

from selenium.webdriver    import PhantomJS 
from selenium.webdriver.support.wait import WebDriverWait 
from selenium.webdriver.support  import expected_conditions 

driver = PhantomJS() 
driver.get("http://www.yesplanet.co.il/presentationsJSON") 

wait = (driver, 10) # Waits up to 10 seconds 
wait.until(<your expected condition>)

你需要使用支持預期的條件下，它可以發現here。

編輯：在這個特殊的JSON端點的調查，似乎一個cookie是在第一負載設置端點，以及包含在報頭中的Cookie進行任何後續請求將返回JSON。這意味着您必須確保您的webdriver正確處理cookie，並加載頁面兩次。可選地，如果cookie是確定性的，您可以欺騙cookie。

來源

2017-03-18 13:58:37 Julien

此外，對於它的價值，當我訪問'HTTP：// www.yesplanet.co.il/presentationsJSON'我得到一個JSON直接反應，而不是HTML或任何JavaScript運行 – Julien

謝謝！我會嘗試的。你有沒有試圖用PhantomJS或真正的瀏覽器？ – AvielNiego

使用真正的Chrome瀏覽器。 – Julien

PhantomJS不渲染JavaScript的像鉻

回答

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