python操做selenium的基本操做

#coding:utf-8
from selenium import webdriver
from selenium.webdriver.common.action_chains import ActionChains #引入ActionChains鼠標操做類
from selenium.webdriver.common.keys import Keys #引入keys類操做
import time

def s(int):
    time.sleep(int)
browser = webdriver.Chrome()
browser.get('http://www.baidu.com')
print '如今將瀏覽器最大化'
browser.maximize_window()
text = browser.find_element_by_name('tj_duty').text
print text #打印備案信息

browser.find_element_by_id('kw1').send_keys(u'楊彥星')
print browser.find_element_by_id('kw1').get_attribute('type')
print browser.find_element_by_id('kw1').size #打印輸入框的大小
browser.find_element_by_id('su1').click()
time.sleep(3)

print '如今我將設置瀏覽器爲寬480，高800顯示'
browser.set_window_size(480,800)
browser.get('http://m.mail.10086.cn')
time.sleep(3)

print '如今我將回到剛纔的頁面'
browser.maximize_window()
browser.back()
time.sleep(3)

print '如今我將回到以前的頁面'
browser.forward()
time.sleep(5)
print '如今我將打開楊彥星的網站進行json搜索'
browser.get('http://static.yangyanxing.com')
browser.find_element_by_xpath(".//*[@id='ls']").send_keys(u'json')
browser.find_element_by_xpath(".//*[@id='header']/div[1]/div/form/input[2]").click()
time.sleep(5)
browser.quit()

browser = webdriver.Chrome()

print '如下將以登陸人人網來進行上面的綜合應用'
browser.get('http://www.renren.com/SysHome.do')
browser.find_element_by_id('email').clear()#這個是以id選擇元素
browser.find_element_by_id('email').send_keys('email')
browser.find_element_by_id('email').send_keys(Keys.BACK_SPACE)
time.sleep(2)
browser.find_element_by_id('email').send_keys('m')
s(2)
browser.find_element_by_id('email').send_keys(Keys.CONTROL,'a')
s(2)
browser.find_element_by_id('email').send_keys(Keys.CONTROL,'x')#剪切掉裏面的內容
s(2)
browser.find_element_by_id('email').send_keys(Keys.CONTROL,'v') #從新輸入進去
s(2)
browser.find_element_by_name('password').clear()#這個是以name選擇元素
browser.find_element_by_name('password').send_keys('password')
#browser.find_element_by_xpath(".//*[@id='login']").click()#這個是以xpath選擇元素
browser.find_element_by_xpath(".//*[@id='login']").send_keys(Keys.ENTER) #這裏經過點擊Enter鍵來登陸
browser.maximize_window()
article = browser.find_element_by_link_text(u'周碧華：社科院出現內鬼意味着什麼？')
ActionChains(browser).move_to_element(article).perform()#將鼠標移動到這裏，可是這裏很差用
ActionChains(browser).context_click(article).perform()
time.sleep(5)

browser.quit()

# 店鋪簽到https://www.v2ex.com/t/321539
    def shop_check_in(self):
        urls = [
                'https://nongfutechan.taobao.com/ugo.htm?spm=a217e.7759359.15285.1.4xE9Il&signin=true#ugo-jinbi',
                'https://shop136560499.taobao.com/ugo.htm?spm=a217e.7759359.15285.2.muhVBy&signin=true#ugo-jinbi',
                'https://shop33473134.taobao.com/ugo.htm?spm=a217e.7759359.15285.3.yW2N4E&signin=true#ugo-jinbi'
                ]
        for url in urls:
            self.driver.get(url)
            time.sleep(5)
            print("page_source\t%s" % self.driver.page_source)
            self.driver.find_element_by_xpath('//a[@href="#" and @class="now-take J_NowSignIn" and text()="當即簽到"]').click()


增長 wait 時間，確保新頁面已經徹底加載
用 Google Chrome 的 XPath Helper 插件，確保本身寫的 XPath selector 無誤
打印源代碼 driver.page_source ，確認頁面內有「當即簽到」這個元素，而且 XPath selector 無誤

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