gif图片不可以解析吗?
var fs=require('fs');
fs.readFile("tupian.gif",function (err,origin_buffer) {
    console.log(Buffer.isBuffer(origin_buffer))
    fs.writeFile("tupian_buffer.gif",origin_buffer,function (err) {
        if(err)console.log(err)
    })
   var  base64Image=origin_buffer.toString("base64")
    console.log(base64Image)
    var decodedImage=new Buffer(base64Image,'base64')
    console.log(Buffer.compare(origin_buffer,decodedImage))
    fs.writeFile("tupian_buffers.gif",decodedImage,function (err) {
        if(err)console.log(err)
    })
})