Beginners often don't know what the specific steps are when they learn to create a crawler from scratch. Here is a summary of the basic steps of creating a crawler from scratch. I hope it will be helpful to you.
Prerequisites: 1. Create a new project file project; 2. Import the sketch module
第一步创建项目：在pycharm的Terminal控制台中执行命令：scrapy startproject <文件名>
