HTML5 實(shí)現(xiàn)一個(gè)訪問(wèn)本地文件的實(shí)例

function imagesSelected(myFiles) {
for (var i = 0, f; f = myFiles[i]; i++) {
var imageReader = new FileReader();
imageReader.onload = (function(aFile) {
return function(e) {
var span = document.createElement(‘span‘);
span.innerHTML = ['<img class="images" src="', e.target.result,'" title="', aFile.name, '"/>'].join(”);
document.getElementById(‘thumbs’).insertBefore(span, null);
};
})(f);
imageReader.readAsDataURL(f);
}
}
function dropIt(e) {
imagesSelected(e.dataTransfer.files);
e.stopPropagation();
e.preventDefault();
}

<td align=”left” height=”105″ ondragenter=”return false” ondragover=”return false” ondrop=”dropIt(event)”>
<output id=”thumbs”></output>
</td>