What is the design of the APP text-and-text mixed layout interface?

Make a post similar to SF. If you want to insert an image or multiple images in the middle of two lines of text, insert them alternately. Does the backend receive an image array or all the character text including the image address? Is the details page of the sf app Article webView? Or directly rendering... making a post similar to SF.
If you want to insert an image or multiple images in the middle of two lines of text, insert them alternately. Does the backend receive an image array or all characters including the image address.

Is the sf app article details page webView? Or directly render the Html code returned by the backend

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Make a post similar to SF.
If you want to insert an image or multiple images in the middle of two lines of text, insert them alternately. Does the backend receive an image array or all characters including the image address.

Is the sf app article details page webView? Or directly render the Html code returned by the backend

As long as the server and App agree on a graphic parsing format, it is generally used to specify a placeholder in a special format at the image position. When the client interprets the placeholder, it replaces it with the corresponding image.