问无法将拖放的文件传输到Microsoft edge版本18或更低版本的标准文件输入

EN

function uploadWithDragAndDrop() {
    var dragCounter = 0;

    // Drag enter
    jQuery('#pageWrapper .contentArea').on('dragenter', function (e) {
        e.stopPropagation();
        e.preventDefault();

        // Disabling drag and drop option when Web (Labeled) tab is active
        if (isWebLabeledTabActive()) {
            return;
        }

        dragCounter++;
        scrollToFileDropArea();
        addStyleAttribute();
    });

    // Drag over
    jQuery('#pageWrapper .contentArea').on('dragover', function (e) {
        e.stopPropagation();
        e.preventDefault();

        if (isWebLabeledTabActive()) {
            return;
        }

        scrollToFileDropArea();
        addStyleAttribute();
    });

    // Drag leave
    jQuery('#pageWrapper .contentArea').on('dragleave', function (e) {
        e.stopPropagation();
        e.preventDefault();

        dragCounter--;

        if (dragCounter === 0) {
            removeStyleAttribute();
        }
    });

    // Mouse leave
    jQuery('#pageWrapper .contentArea').mouseleave(function () {
        removeStyleAttribute();
    });

    // Drop
    jQuery('#pageWrapper .contentArea').on('drop', function (eventObject) {
        eventObject.stopPropagation();
        eventObject.preventDefault();

        if (isWebLabeledTabActive()) {
            return;
        }

        removeStyleAttribute();
        transferFile(eventObject);
    });
}

function transferFile(eventObject) {
    var files = eventObject.originalEvent.dataTransfer.files;
    var i, fileName;

    for (i = 0; i < files.length; i++) {
        fileName = files[i].name;
    }
    
    var fileInput = ".file-upload-area input[type='file']:first";

    if (isBrowserSafari()) {
        jQuery(fileInput).prop("files", files);
    } else {
        jQuery(fileInput).prop("files", files).trigger('change');
    }
}