想用javascript实现文件下载并记录文件在客户端的保存路径

Question

js除了cookie貌似不能直接写本地文件吧

Answer 1

网上找到代码，测试后有错误，不知如何解决
function DownURL(strRemoteURL, strLocalURL) {            try {                var xmlHTTP = new ActiveXObject("Microsoft.XMLHTTP");                xmlHTTP.open("Get", strRemoteURL, false);                xmlHTTP.send();                var adodbStream = new ActiveXObject("ADODB.Stream");                adodbStream.Mode = 3;                adodbStream.Type = 1; //1=adTypeBinary 
                                adodbStream.Open();                adodbStream.write(xmlHTTP.responseBody);                adodbStream.SaveToFile(strLocalURL, 2);                adodbStream.Close();                adodbStream = null;                xmlHTTP = null;            }            catch (e) {                window.confirm("下载URL出错!");            }            //window.confirm("下载完成.");         }  <input type="button" value="124" onclick="DownURL('/Download/aaa.txt','C:\\Temp\\')">在adodbStream.SaveToFile(strLocalURL, 2);处报错如图: