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JSON calls lsf to pass, preview, and print data formats：
{ "Printer": { "printername":"ZM2R", "printerdpi":"203", "printSpeed":"4", "printDarkness":"10" }, "Operate":"print", "lsfFilePath": "80X50.lsf",//http://www.elfdt.com/temp/80X50.lsf Templates can be stored in a web directory "labels": [ { "lsfFileVarList": [ { "lsfFileVar": { "varname": "model", "varvalue": "E4306" } }, { "lsfFileVar": { "varname": "assetcode", "varvalue": "2021110400020001" } } ] }, { "lsfFileVarList": [ { "lsfFileVar": { "varname": "model", "varvalue": "E-4306" } }, { "lsfFileVar": { "varname": "assetcode", "varvalue": "2021110400020002" } } ] } ] }

  

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