JSON Format verification

Function introduction

Function points:
[JSON compression] ,[JSON Escape] ,[JSON Compress&Escape] ,[JSON Remove Escape] ,[Unicode to Chinese] ,[Chinese to Unicode] 

• [JSON Compression] : Compress JSON into one line, removing line breaks and space characters.
• [JSON Escape] : The escape symbol (\) is added before the double quotation mark (") in JSON to facilitate string splicing.
• [Compress and escape JSON] : It is designed to simplify the two-step operation of [JSON compression] & [JSON escape].
• [JSON remove escape] : Remove the escape character (\"), result output (") from JSON.