14-3 唯库课程搜索结果信息 - 图1

抓取的结果信息包含：

  • 课程名字
  • 作者
  • 课程链接
  • 课程节数
  • 在学人数
  • 价格（原价/现价）

    结果示例图：

    14-3 唯库课程搜索结果信息 - 图2

    模板：

    1. {"_id":"weiku-sosou","startUrl":
    2. ["http://www.yojiang.cn/pc/search/lesson?kw=%E8%B5%9A%E9%92%B1"],"selectors":[{"id":"info","type":"SelectorElement","parentSelectors":
    3. ["_root"],"selector":"a.lesson-item","multiple":true,"delay":0},{"id":"name","type":"SelectorText","parentSelectors":["info"],"selector":"h2","multiple":false,"regex":"","delay":0},{"id":"author","type":"SelectorText","parentSelectors":["info"],"selector":"p","multiple":false,"regex":"","delay":0},{"id":"link","type":"SelectorLink","parentSelectors":["info"],"selector":"_parent_","multiple":false,"delay":0},{"id":"class","type":"SelectorText","parentSelectors":
    4. ["link"],"selector":"span.class-hours","multiple":false,"regex":"","delay":0},{"id":"students","type":"SelectorText","parentSelectors":
    5. ["link"],"selector":"span.sale-count","multiple":false,"regex":"","delay":0},{"id":"price","type":"SelectorText","parentSelectors":
    6. ["link"],"selector":"div.price-zone","multiple":false,"regex":"","delay":0}]}

    模板套用步骤：

    （1）进入需要抓取的课程搜索结果页面，例如：http://www.yojiang.cn/pc/search/lesson?kw=%E8%B5%9A%E9%92%B1
    （2）导入模板
    （3）替换 Start URL为要抓取的网页链接
    （4）开始抓取