Shulou(Shulou.com)06/03 Report--

This article mainly introduces WeChat Mini Programs Base64 pictures can not show the sample code, has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let Xiaobian take you to understand.

Wx.request is used to send requests in Mini Program, the Base64 stream is returned by the background, and the foreground is displayed with tags.

WeChat Mini Programs's Base64 picture does not display the abbreviated code as follows:

Filetfile=newFile ("/ Users/sam/Downloads/test.jpg")

FileInputStreamfileInputStream=newFileInputStream (tfile)

Byte [] buffer=newbyte [fileInputStream.available ()]

FileInputStream.read (buffer)

FileInputStream.close ()

BASE64Encoderbase64Encoder=newBASE64Encoder ()

StringencodedStr=base64Encoder.encode (buffer)

OutputStream.write (encodedStr.getBytes ())

OutputStream.close ()

Base64 pictures in js:

OnSubmit:function (e) {

Varthat=this

Wx.request ({

Data: {

}

Method:'GET'

Header: {

'content-type':'application/json'

}

Success (res) {

That.setData ({ImageBase64Str:_'data:image/png;base64,'+res.data})

}

})

}

In wxml:

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