web自动化测试（十二）----类似日期选择框

代码：

from selenium.webdriver.common.keys import Keys

from selenium import webdriver
import time,datetime

# 显式等待引入相关库
from selenium.webdriver.common.by import By
from selenium.webdriver.support import expected_conditions as EC
from selenium.webdriver.support.wait import WebDriverWait


driver = webdriver.Chrome()

# driver.implicitly_wait(20)

driver.get("https://www.12306.cn/index/")

wait = WebDriverWait(driver,20)


time.sleep(2)
# 构造出发地的js
js_from_station = """
var ele_fromStationText = document.getElementById("fromStationText");
ele_fromStationText.value="上海";
var ele_fromStation = document.getElementById("fromStation");
ele_fromStation.value="SHH";


"""


# 执行js，修改出发地的值
driver.execute_script(js_from_station)


time.sleep(2)
# 构造到达地的js
js_toStation = """
var ele_toStationText = document.getElementById("toStationText");
ele_toStationText.value = "北京"
var ele_to_station = document.getElementById("toStation");
ele_to_station.value="BJP";
"""

# 执行js，修改到达地的值
driver.execute_script(js_toStation)



time.sleep(2)
# 构造js，来修改出发日期。
js_pha = """
var ele_datatime = document.getElementById("train_date");
ele_datatime.readOnly=false;
ele_datatime.value="2019-10-01"
"""

# 执行js，修改出发日期
driver.execute_script(js_pha)


# 点击“查询”按钮
loc = (By.XPATH,'//a[@id="search_one"]')
wait.until(EC.visibility_of_element_located(loc))
element = driver.find_element(*loc).click()