Similar to nail check-in, how to achieve the scope of restriction

limit the scope of check-in. The principle is to calculate the linear distance between the mobile phone and the company within how many meters.
or according to latitude and longitude, or whether the location address is the building of the company, and so on

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React.js Baidu-Map Amap javascript
Mar.14,2021

Geographic fence
ide/api/geofence_service" rel=" nofollow noreferrer "> https://lbs.amap.com/api/webs.

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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-64f5-1e9e31d-69129.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e9e31d-69129.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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