nowhandle = self.driver.current_window_handle  # 获取当前窗
            # 新开标签页
            js = "window.open('http://www.baidu.com')"
            self.driver.execute_script(js)
            allhandle = self.driver.window_handles  # 获取所有窗口
            self.driver.close()
            for newhandle in allhandle:
                if newhandle != nowhandle:
                    self.driver.switch_to.window(newhandle)