The pull-down refresh of the small program can only use the onPullDownRefresh event of page at present. However, the head of the product being made has fix. If you use pull-down refresh, you can only listen to the top scroll of page and remove fix. To refresh only the list, I made a scroll view extension that looks like this:

Related implementation sharing

Some other optimizations have been made, such as the scrolltolower event of The Scroll view, which will always be triggered if it keeps pulling, etc., and then the image component has been simply encapsulated, adding placeholder images of image and broken images that fail to load, etc

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