Crawl the data on the mobile phone app?

now I want to climb the data on a mobile phone app, there is no train of thought, I would like to ask if there are any cases or ideas for reference, thank you!

Oct.15,2021

grab the package through tools such as charles, analyze the interface, and then simulate sending request grab data

MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b35452-2bf93.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b35452-2bf93.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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