目的：獲取某網站某使用者下市場大於1000秒的視訊資訊

1.本想通過介面獲得結果，但是使用post傳送資訊到介面，提示服務端錯誤。
2.通過requests獲取頁面結果，使用html解析工具，發現麻煩而且得不到想要的結果
3.直接通過selenium獲取控制元件的屬性資訊，如圖片、視訊地址，再對時間進行篩選。將資訊儲存到以id命名的資料夾下

# -*- coding:utf-8 -*-
from selenium import webdriver
import sys,os,requests,shutil
class GetUserVideo():
    def __init__(self,driver,id):
        self.id = str(id)
        self.driver = driver
        self.base_url = "http://www.xxxxx.com/user/%s?t=2"%(self.id)

    def get_pagecounts(self):
        #獲取頁面數
        self.driver.get(self.base_url)
        page_counts=int(self.driver.find_elements_by_xpath("//div[@class='page']/a")[-2].text)+1
        return page_counts
    def get_video(self,driver,page,f):
        video_times = driver.find_elements_by_xpath("//i[@class='continue_time']")
        video_urls = driver.find_elements_by_xpath("//div[@class='video']/a[@class='url']")
        video_imgs = driver.find_elements_by_xpath("//a[@class='url']/img")
        length = len(video_times)
        for i in range(length):
            " 當前頁面內篩選出時長大於1000秒的，並將圖片、時長、地址儲存到指定目錄"
            time_list = video_times[i].text.split(":")
            time_count = int(time_list[0]) * 3600 + int(time_list[1]) * 60 + int(time_list[2])
            if time_count > 1000:
                video_time = video_times[i].text
                video_url = video_urls[i].get_attribute('href')
                video_img = video_imgs[i].get_attribute("src")
                img_name = str(page) + "_" + str(i)+"_"+os.path.basename(video_img)
                f.write(img_name + "\t")
                f.write(video_time + "\t")
                f.write(video_url + "\n")
                img_url = requests.get(video_img)
                with open(self.id + "/" + img_name, "wb") as b:
                    b.write(img_url.content)
    def test(self):
        "如果存在同名資料夾，就刪除"
        if os.path.exists(self.id):
            shutil.rmtree(self.id)
        os.mkdir(self.id)
        driver = self.driver
        page_counts=self.get_pagecounts()
        f=open(self.id+"/video.txt","w")
        for page in range(1,page_counts):
            detail_url = "&page=%s" % page
            driver.get(self.base_url+detail_url)
            self.get_video(driver,page,f)
        f.close()
        driver.quit()
if __name__=="__main__":
    path = sys.path[0].split("/")
    index = path.index("SeleniumOfJenkins") + 1
    ph_driver = "/driver/phantomjs-2.1.1-macosx/bin/phantomjs"
    if index == len(path):
        driver_path = sys.path[0] + ph_driver
    else:
        driver_path = "/".join(path[:index]) + ph_driver
    driver = webdriver.PhantomJS(executable_path=driver_path)
    driver.maximize_window()
    driver.implicitly_wait(10)
    test = GetUserVideo(driver,123456)
    test.test()