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鼠标操做类
from selenium.webdriver.common.keys import Keys #引入keys类操做
import time

def s(int):
    time.sleep(int)
browser = webdriver.Chrome()
browser.get('http://www.baidu.com')
print '如今将浏览器最大化'
browser.maximize_window()
text = browser.find_element_by_name('tj_duty').text
print text #打印备案信息

browser.find_element_by_id('kw1').send_keys(u'杨彦星')
print browser.find_element_by_id('kw1').get_attribute('type')
print browser.find_element_by_id('kw1').size #打印输入框的大小
browser.find_element_by_id('su1').click()
time.sleep(3)

print '如今我将设置浏览器为宽480，高800显示'
browser.set_window_size(480,800)
browser.get('http://m.mail.10086.cn')
time.sleep(3)

print '如今我将回到刚才的页面'
browser.maximize_window()
browser.back()
time.sleep(3)

print '如今我将回到以前的页面'
browser.forward()
time.sleep(5)
print '如今我将打开杨彦星的网站进行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 '如下将以登陆人人网来进行上面的综合应用'
browser.get('http://www.renren.com/SysHome.do')
browser.find_element_by_id('email').clear()#这个是以id选择元素
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')#剪切掉里面的内容
s(2)
browser.find_element_by_id('email').send_keys(Keys.CONTROL,'v') #从新输入进去
s(2)
browser.find_element_by_name('password').clear()#这个是以name选择元素
browser.find_element_by_name('password').send_keys('password')
#browser.find_element_by_xpath(".//*[@id='login']").click()#这个是以xpath选择元素
browser.find_element_by_xpath(".//*[@id='login']").send_keys(Keys.ENTER) #这里经过点击Enter键来登陆
browser.maximize_window()
article = browser.find_element_by_link_text(u'周碧华：社科院出现内鬼意味着什么？')
ActionChains(browser).move_to_element(article).perform()#将鼠标移动到这里，可是这里很差用
ActionChains(browser).context_click(article).perform()
time.sleep(5)

browser.quit()

# 店铺签到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()="当即签到"]').click()


增长 wait 时间，确保新页面已经彻底加载
用 Google Chrome 的 XPath Helper 插件，确保本身写的 XPath selector 无误
打印源代码 driver.page_source ，确认页面内有「当即签到」这个元素，而且 XPath selector 无误

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