I need to go through to get the latitude and longitude, request a kilometer range of shops, please answer

CodePudding user response:

Actually GPS information is accurate, but in China, the map of longitude and latitude must be false, can through the relevant departments to audit, so you see map, are offset, fake latitude and longitude, and each is different, you should according to the map, used by calculating migration first, before you use the map to find out accurate map of the location with false latitude and longitude,

CodePudding user response:

Your problem is how to request the longitude and latitude, or how to find the shop request latitude and longitude, WeChat small programs have the API, to find shops have also made some map makers give the corresponding web service

CodePudding user response:

Ask WeChat applet can jump external links, like https://www.baidu.com, can jump, should say,

CodePudding user response:

How can I achieve little program long runs in the background? The building of small programs have this requirement

CodePudding user response:

I encountered problem is longitude and latitude to obtain accurate, but the error of calculation have 1 km distance at two o 'clock,

CodePudding user response:

This you need to coordinate system conversion you can look at this article https://blog.csdn.net/qq_39426934/article/details/90241941