from selenium import webdriver
from selenium.common.exceptions import TimeoutException
from selenium.webdriver.common.by import By
from selenium.webdriver.support.wait import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC

browser = webdriver.Chrome()
wait = WebDriverWait(browser, 10)
def search():
    try:
        browser.get("https://www.taobao.com/")
        input = wait.until(
            EC.presence_of_element_located((By.CSS_SELECTOR, "#q"))
        )
        submit = wait.until(
            EC.element_to_be_clickable((By.CSS_SELECTOR, '#J_TSearchForm > div.search-button > button'))
        )
        input.send_keys('美食')
        print('点击之前')
        submit.click()
        # 点击之后无响应
        print('查找total页数中')
        total = wait.until(
            EC.presence_of_element_located((By.CSS_SELECTOR, "#mainsrp-pager > div > div > div > div.total"))
        )

        return total.text
    except TimeoutException as e:
        print('再次查找'+e)
        return None

def main():
    total = search()
    print(total)
if __name__ == '__main__':
    main()