标签覆盖默认的文件输入样式,但现在的问题是我无法获取输入文件的值。
document.getElementById("imageUpload").onchange = function () {
alert("working");
var reader = new FileReader();
reader.onload = function (e) {
// get loaded data and render thumbnail.
document.getElementById("blah").src = e.target.result;
};
// read the image file as a data URL.
reader.readAsDataURL(this.files[0]);
};