用python爬取江苏几大高校的就业网站,并提供3种方式通知给用户,分别是通过微信发送、命令行直接输出、windows气泡通知。

Overview

crawler_for_university

用python爬取江苏几大高校的就业网站,并提供3种方式通知给用户,分别是通过微信发送、命令行直接输出、windows气泡通知。

环境依赖

wxpy,requests,bs4等库

功能描述

该项目基于python,通过爬虫爬各高校的就业信息网,爬取招聘信息并存储,如果碰到新的信息,则输出,提供3种输出方式:

微信发送消息

微信发消息基于网页版微信实现,使用wxpy库,使用该库的同时,不能使用电脑版或pad版微信,否则会挤下线。 并非所有用户都能使用该功能,查询自己能否使用该功能,需要打开https://wx.qq.com/。检测能否扫码登录,如果可以,则能使用。

直接命令行输出

如果不能使用,可以直接命令行输出爬取后的信息。

windows下利用气泡通知

windows下提供操作中心显示通知,可以在windows的操作中心查看消息。

重要代码描述

该函数用以爬取url的信息

def get_url(url, kv):
    '''
    用以爬取网站内容的函数
    :param url:输入url
    :param kv:headers信息
    :return:返回爬取到的内容
    '''
    try:
        r = requests.get(url, headers=kv)
        r.raise_for_status()
        return r
    except:
        try:
            time.sleep(3)
            r = requests.get(url, headers=kv)
            r.raise_for_status()
            return r
        except:
            return 0

该函数输入大学简称,对网页内容进行爬取,筛选,然后发送通知。

def get_job(university):
    '''
    用来获取各大学的就业信息网的内容
    :param university:输入学校简称
    :return:无
    '''
    global url_list, send_target
    job_url = 'http://' + university + '.91job.org.cn/campus'  # 生成url
    r = get_url(url=job_url, kv={'User-Agent': 'Mozilla/5.0'})
    soup = BeautifulSoup(r.text, 'lxml')
    r_soup = soup.find_all(attrs={'class': 'infoList'})  # 解析网页找到对应的内容
    for i in r_soup:  # 遍历每个结果
        temp = i.find(attrs={'class': 'span7'}).find(name='a').get('href')  # 找到通知对应的网站
        url = job_url + temp[7:]  # 生成招聘信息对应的网站
        if url not in url_list:  # 如果这条信息之前并未存储
            with open("url_list.txt", "a+") as f:  # 打开文件,并添加招聘信息
                f.write(url + '\n')
            url_list.append(url)  # 本地list里面也添加信息
            message_title = university_list[university] + '有一条招聘消息:'  # 标题
            message_text = i.get_text() + url  # 内容
            if 1 in model_choose:  # 模式1,直接print
                print('*' * 100)
                print(message_title + message_text)
            if 2 in model_choose:  # 模式2,给微信好友发消息
                send_target.send(message_title + message_text)
            if 3 in model_choose:  # 模式3,windows气泡消息
                if flag:
                    message.show_msg(message_title, message_text, 1)
            if flag:  # 提示音
                winsound.Beep(freq, duration)
            else:
                os.system('play --no-show-progress --null --channels 1 synth %s sine %f' % (duration / 1000, freq))

使用方法

下载main文件,安装所需要的库,在命令行下面代码进行运行

python main.py
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