Handling Image Display Failures in Uniapp Upload Components via Resolution Compression

A frequent issue when working with file upload components in mini-programs is broken image previews—typically indicated by a exclamation mark icon and accompanied by a 404 status. While the root cause can sometimes be an incorrect file format, another subtle culprit is excessive image resolution. Files under 20 MB upload successfully, but previ ...

Posted on Sat, 16 May 2026 15:48:21 +0000 by stuartc1