js获取文件路径

function browseFolder(path) {
try {
var Message = "\u8bf7\u9009\u62e9\u6587\u4ef6\u5939"; //选择框提示信息
var Shell = new ActiveXObject("Shell.Application");
var Folder = Shell.BrowseForFolder(0, Message, 64, 17);//起始目录为：我的电脑 //
var Folder = Shell.BrowseForFolder(0,Message,0); //起始目录为：桌面
if (Folder != null) {
Folder = Folder.items(); // 返回 FolderItems 对象
Folder = Folder.item(); // 返回 Folderitem 对象
Folder = Folder.Path; // 返回路径
if (Folder.charAt(Folder.length - 1) != "\\") {
Folder = Folder + "\\"; }
document.getElementById(path).value = Folder;
return Folder;
}
}
catch (e) {
alert(e.message);
}
}