write a service interface with node. The front end sends a request and crawls the web page after receiving the request. If there are four or five concurrency, the puppeteer seems to be queued to open, causing the request to get stuck and the response is ...
1. Description problem: I made a small crawler, want to crawl some pictures of a website, now climb down, the image path can be printed out. however, I need to download these pictures to a local images folder, write the code is no problem, I have tr...