Pictures applet turn Base64

Remember first it? Micro-channel does not provide a method of operating a file. Micro letter recently updated document, and I quickly ran update the blog, but also a lot of trouble ~ ~ ah, the good news came, micro-channel and finally out of the file-related operations API. And this is to force. I can not wait to try it again. As shown below:

 

 

 

Get to FileSystemManager, then call his readFile () or readFileSync (), the following parameters:

 

 

 

 

Supported encoding formats as follows:

He looked so much on the acid cool, ha ha ~.
We need to turn that picture is not a piece of cake do ~~ base64.

wx.chooseImage({
success: res => {
wx.getFileSystemManager().readFile({
filePath: res.tempFilePaths [ 0 ], // select the corresponding return path image 
encoding: ' Base64 ' , // encoding format 
Success: RES => { // successful callback 
the console.log ( ' Data: Image / PNG; Base64 , ' + res.data)
}
})

//以下两行注释的是同步方法，不过我不太喜欢用。
//let base64 = wx.getFileSystemManager().readFileSync(res.tempFilePaths[0], 'base64') 
//console.log(base64)
}
})

注意版本库要在1.9.9以后的版本才支持，注意版本控制。
原文：https://blog.csdn.net/qq_36875339/article/details/81086205