app.use('/lithiom/uploadfile', (req, res, next) => {
var imgB64Data = req.body.oData;
var decodedImg = decodeBase64Image(imgB64Data);
var imageBuffer = decodedImg.data;
var type = decodedImg.type;
console.log("type", type)
var extension = "jpg";
console.log("type", extension);
console.log(">>>", new Date());
var date = new Date();
var fileName = date.getTime() + "_image." + extension;
try {
fs.writeFileSync("public/uploads/" + fileName, imageBuffer, 'utf8');
res.send({ Message: "Fileupload", Result: true, fileName: fileName, location: "uploads/" + fileName })
}
catch (err) {
console.error(err)
res.send({ Message: " Fail to Upload File", Result: true, err: err })
}
});
function decodeBase64Image(dataString) {
var matches = dataString.match(/^data:([A-Za-z-+\/]+);base64,(.+)$/),
response = {};
if (matches.length !== 3) {
return new Error('Invalid input string');
}
response.type = matches[1];
response.data = new Buffer(matches[2], 'base64');
return response;
}
===Angular
onFileChange(event: any) {
var reader: any = new FileReader();
if (event.target.files && event.target.files.length > 0) {
let file = event.target.files[0];
console.log("file:", file);
reader.readAsDataURL(file);
console.log("reader:", reader);
reader.onload = () => {
console.log(">>>>", reader.result)
var p = {
oData: reader.result.toString()
// oData: reader.result.toString().split(',')[1],
}
this.uploadfile(p);
}
};
}
uploadfile(p: any) {
try {
this.gbls.uploadfile(p).subscribe((data: any) => {
var result: any = data;
if (result.Result == true) {
this.uimage = result.location;
this.gbls.successTost(data.Message);
} else {
this.gbls.errorTost(data.Message);
}
}, error => {
this.gbls.errorTost("Not Responding");
});
} catch (e) {
this.gbls.errorTost(" catch Error");
}
}
