Selenium无法定位元素（Python）web垃圾

Question

我想在一个房地产网站上搜索房源。它有一个必须在提交前填写的aspx表格。在

http://www.cbre.us/PropertyListings/Pages/Properties-for-Sale.aspx

不过，我关心的是俄勒冈州的多户型房产。所以这是我的第一次尝试：

driver = webdriver.Firefox()

driver.get("http://www.cbre.us/PropertyListings/Pages/Properties-for-Sale.aspx")

#Searching for multifamily residences
selectPropertyType = driver.find_element_by_id("ForSalePropertyType")
selectPropertyType.select_by_value("70")

#In the state of Oregon
selectState = driver.find_element_by_id("ForSaleState_ListBox1")
selectState.select_by_value("OR")

#Submit form
submitBtn = driver.find_element_by_id("ForSaleLooplinkSubmit")
submitBtn.click()

#Wait for results to load
WebDriverWait(driver, 5)

当我运行这个脚本时，它会给出一个错误“cannotlocate element”ForSalePropertyType。我做错什么了？提前谢谢。在

Answer 1

此元素位于iframe内。你必须切换到它的上下文：

driver.switch_to.frame("ctl00_PlaceHolderMain_IFrameContent_IFrameContent")

# searching for multifamily residences
selectPropertyType = driver.find_element_by_id("ForSalePropertyType")
selectPropertyType.select_by_value("70")

要返回默认上下文：

^{pr2}$

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