driver.switch_to_frame(‘LAY_layedit_1‘)
driver.find_element_by_xpath(‘/html/body‘).send_keys(u‘连云港采购处‘)
driver.switch_to_default_content()
driver.find_element_by_xpath(‘/html/body/div[1]/div[4]/div/div/div[2]/form/div[9]/button[2]‘).click()
原文：http://www.cnblogs.com/linguowei/p/7595194.html