//ȡ��ͼƬ�ļ���URL function getImgFileUrl(sourceId) { var url; if (navigator.userAgent.indexOf("MSIE") >= 1) { // IE url = document.getElementById(sourceId).value; } else if (navigator.userAgent.indexOf("Firefox") > 0) { // Firefox url = window.URL.createObjectURL(document.getElementById(sourceId).files.item(0)); } else if (navigator.userAgent.indexOf("Chrome") > 0) { // Chrome url = window.URL.createObjectURL(document.getElementById(sourceId).files.item(0)); } return url; } logoFileCmp.on('change', function preImg(e, t, option) { var url = getImgFileUrl(t.id); var imgPre = document.getElementById("logoPic"); imgPre.src = url; }, this);