我正在嘗試AmCharts從此
它在網路界面中看起來像這樣
如何正確檢索此 dataProvider 陣列。提前致謝。
uj5u.com熱心網友回復：
該圖形不在 Selenium 視口中，因此首先我們必須處理垂直滾動到所需圖形的問題，然后我看到//*[name()='tspan']xpath 包含 UI 中也存在的水平和垂直值。
代碼：
driver_path = r'D:\\chromedriver.exe'
driver = webdriver.Chrome(driver_path)
driver.maximize_window()
wait = WebDriverWait(driver, 30)
driver.get("https://eg.pricena.com/en/product/oppo-reno-5g-price-in-egypt")
driver.execute_script("window.scrollTo(0, 1000)")
ele = driver.find_element_by_xpath("//*[name()='svg']")
driver.execute_script("arguments[0].scrollIntoView(true);", ele)
char_val = []
for elem in driver.find_elements(By.XPATH, "//*[name()='tspan']"):
print(elem.text)
進口：
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.common.by import By
from selenium.webdriver.support import expected_conditions as EC
輸出：
Mar
May
Jul
Sep
Nov
Mar
May
Jul
Sep
Nov
5,000
5,500
6,000
6,500
7,000
7,500
8,000
Process finished with exit code 0
uj5u.com熱心網友回復：
您需要添加return到您的execute_script呼叫中才能訪問腳本中的值，例如driver.execute_script("return AmCharts.charts[0].dataProvider")
完整代碼如下：
from selenium import webdriver
from selenium.webdriver.support.ui import WebDriverWait
driver_path = r"path/to/chromedriver"
driver = webdriver.Chrome(driver_path)
driver.maximize_window()
wait = WebDriverWait(driver, 30)
driver.get("https://eg.pricena.com/en/product/oppo-reno-5g-price-in-egypt")
# scroll into the div so that the chart will render
driver.execute_script("document.getElementById('product_pricechart').scrollIntoView()")
# wait until the chart div has been rendered before accessing the data provider
wait.until(lambda x: x.find_element_by_class_name("amcharts-chart-div").is_displayed())
# display chart data
print(driver.execute_script("return AmCharts.charts[0].dataProvider"))
driver.close()
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