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如何在无服务器中拆分formdata

[英]how to split the formdata in serverless

我在event.body中获取表单数据如下

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IOM3 + qek5RA5erdxtLV2lWer / Aar8MG4DdVr78lcmW + NPK + Y8635R26o2in8NzHieKKuEIa9qVLj9MoiJFcpUkOaIZ8rNJxXi166loEqD7eSF3zMCwiYqkx + MdVhsOpHTFxb7SOmU LW3tmdIBysK5SqGE24W / 5NjaTRjsTiSrtKjUzodtKhuYxSDuDHelSroZo7EF5iRBImF9diBH2Aorw + pDoO / OSI + K0qVN1FRZafjHFwAqCM06iOkmfWibrW + a7WwBbIULAyiQonT40qVLPqvkaPRjTcHrTS3uP2pUqixz0Hw1YdsMpXQKLRJkAyGRo32IVqdxc3A90G4zIxtsEJlUhQvQD5ZIMxvNKlRXJ + QPmXc8kwgcpcykQAM0zJEnar7hl25CraXcAasNIAg7T3NKlVsPclN7lvwjB57 + W + gc8tiY90ZdTG1bHgmEtrftKqBRFwR8rg1PyrlKjiJZX3BhyeddjNeMwFwt5CoaLtuGBgyCZncEfLsK81FKlUsXoVwt2WmY57MkRJ06u1sa + aPQag / KiOKsvJca5obWdMuU6R6zSpVToBDMdxLCPay2rt5rvTGa7iGUQBm0c5fXtWg4rjMG + HUWAnM9nmK2yp0HVLFROtKlSObYciKP5VcYcn / d + IygE59Z0heX1EaH3aUqVCG5pbFN4ckW / Z283cSttSFKW4MBiNQV139aj4q7Z + pAphtiDO0zApUqriL2ycX7hrMXhimET2jEBLQCnLAHSANFB0Hvr07gQ / W1J / ACLX + mtKlQxVU / C / 2Phu4 + Q6KUUqVTHFSpUqwThqJ6VKgEGuGlSpVjH / 2Q == \\ r \\ n ------ WebKitFormBoundarySt2NUqsKdknDPfBB \\ r \\ nContent-Disposition:表单数据; name =“ filename” \\ r \\ n \\ r \\ nbuilding.jpeg \\ r \\ n ------ WebKitFormBoundarySt2NUqsKdknDPfBB-\\ r \\ n'}

我想在数据的开始和结束时删除它。 ------ WebKitFormBoundarySt2NUqsKdknDPfBB \\ r \\ nContent-Disposition:表单数据; NAME = “profileImage” \\ r

var text = `Your_Event_Data`
var newText = ''
newText = text.substring(text.indexOf('form-data')+9,text.length)
console.log(newText.indexOf('data'))
newText = newText.substring(newText.indexOf('data'),newText.length)
newText = newText.substring(0,newText.indexOf('WebKitFormBoundary')-7)

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