return a piece of data through Mini Program"s QR code api
estimated to be binary
how to convert this data into a picture and display it on the page
can it be done without sending it to the server for processing
return a piece of data through Mini Program"s QR code api
estimated to be binary
let that = this;
wx.downloadFile({
url: '',
header:{
'Content-Type':'image',
},
success: function (res) {
if (res.statusCode === 200) {
that.setData({
imageData:res.tempFilePath
})
}
},fail:function(err){
console.log(err)
}
})filePathsrc;is not sent to the server, you will have to convert the binary. Parse the binary image
directly add
header ('content-type:image/jpg') to the program;
the output type is the picture
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