代码如下:
function validateFileSize(id, maxsize) {
var btnsave = document.getElementById("Button2");
btnsave.disabled = false;
var filepath = "";
var fileupload = document.getElementById(id);
if (fileupload.value.length < 5) { alert('请选择文件！'); return; }
var agent = window.navigator.userAgent;
if (document.all) {
var isIE7 = agent.indexOf('MSIE 7.0') != -1;
var isIE8 = agent.indexOf('MSIE 8.0') != -1;
//IE7和IE8获得文件路径
if (isIE7 || isIE8) {
fileupload.select();
filepath = document.selection.createRange().text;
}
//IE6获得文件路径
else
{ filepath = file.value; }
//PageMethods.ValidateFile(filepath, maxsize, ieCallBack);
alert(filepath);
}
if (agent.indexOf("Firefox") >= 1) {
alert("FF");
alert(getValue());
return false;
if (fileupload.files) {
var size = fileupload.files[0].fileSize;
if (size > parseInt(maxsize)) {
fileupload.parentNode.innerHTML = '
';
alert("文件超过大小！");
}
else { alert("文件上传成功！"); }
}
}
}
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