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In this article, the editor introduces in detail "how to convert the picture of Mini Program into base64". The content is detailed, the steps are clear, and the details are handled properly. I hope that this article "how to convert the picture of Mini Program into base64" can help you solve your doubts.

Currently, it is not possible to convert Mini Program pictures or local files into base64. The following is a detailed analysis:

WeChat Mini Programs wx.uploadfile, using the PHP interface to convert local pictures into base64 streams.

Paste-and-copy wx.uploadfile solutions are everywhere online, but there is no specific code yet:

It is specially presented to those who need it:

Code:

Case 'imgBufferToBase64':

$data=''

File_put_contents ("1.txt", var_export ($_ FILES,true). "\ r\ n", FILE_APPEND)

If (! empty ($_ FILES ['upload'] [' tmp_name'])) {

If (empty ($_ FILES ['upload'] [' type'])) {

IO::Debug ('invalid file type')

}

If (! in_array ($_ FILES ['upload'] [' type'], array (

'image/gif'

'image/pjpeg'

'image/jpeg'

'image/x-png'

'image/png'

'image/bmp'

)) {

IO::Debug ($_ FILES ['upload'] [' type'].' Illegal file type')

}

$data=file_get_contents ($_ FILES ['upload'] [' tmp_name'])

File_put_contents ("1.txt", var_export ($data,true). "\ r\ n", FILE_APPEND)

IO::Debug ('parsed successfully', true,$data)

}

IO::Debug ("resolution failed")

Break

Js Code:

Wx.uploadFile ({

Url: 'https://' + app.globalData.host +' / api/?sign=' + sign

FilePath: tempFilePaths [0]

Name: 'upload'

Header: {

"content-type": "multipart/form-data"

"content-type": "application/x-www-form-urlencoded"

}

FormData: formData

Success: function (res) {var $data = JSON.parse (res.data); if (typeof ($data.data)! = "undefined" & & $data.code) {

Var imgBase64 = _ "data:image/jpeg;base64," + $data.data

}

}

})

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