Try this: -
<input id="inputFile" type="file" onchange="convertToBase64();" />
<script type="text/javascript">
function convertToBase64() {
//Read File
var selectedFile = document.getElementById("inputFile").files;
//Check File is not Empty
if (selectedFile.length > 0) {
// Select the very first file from list
var fileToLoad = selectedFile[0];
// FileReader function for read the file.
var fileReader = new FileReader();
var base64;
// Onload of file read the file content
fileReader.onload = function(fileLoadedEvent) {
base64 = fileLoadedEvent.target.result;
// Print data in console
console.log(base64);
};
// Convert data to base64
fileReader.readAsDataURL(fileToLoad);
}
}
</script>
Von this
Mögliche Duplikate von [Konvertieren PDF in eine Base64-codierte Zeichenfolge in Javascript] (http://stackoverflow.com/questions/13538832/convert-pdf-zu-a-base64-encoded-string-in-javascript) –
Sie sollten nicht base64 die pdf ... warum brauchen Sie das? – Endless