问在客户端解密PDF文件并使用pdf.js查看

EN

// in viewer.html
var data = new Uint8Array( /* ... data ... */ );
PDFViewerApplication.open(data);

// in viewer.html
var data = new Blob([ '%PDF....'] , {type: 'application/pdf'});
var url = URL.createObjectURL(data);
PDFViewerApplication.open(url);

var url = 'data:application/pdf;base64,....';
PDFViewerApplication.open(url);

var url = 'data:application/pdf;base64,....';
var data = url.split(';base64,')[1];
// Decode base64
var binaryString = atob(data);
// Convert binary string to Uint8Array
data = new Uint8Array(binaryString.length);
for (var i = 0, ii = binaryString.length; i < ii; ++i) {
    data[i] = binaryString.charCodeAt(i);
}
PDFViewerApplication.open(data);

<iframe src="viewer.html" id="pdfjsframe"></iframe>
<script>
var pdfjsframe = document.getElementById('pdfjsframe');
// At the very least, wait until the frame is ready, e.g via onload.
pdfjsframe.onload = function() {
    var data = ... data here or elsewhere ... ;
    pdfjsframe.contentWindow.PDFViewerApplication.open(data);
};
</script>