js怎么调出打开文件对话框，取得路径？

<input type=file id="mxh">
<input type=button onclick="alert(document.all.mxh.value)" value="get">

解决方案 »

  1.   

    <INPUT onclick="document.execCommand('open')" type=button value=open>
      

  2.   

    选择文件
    <input type=file id="mxh">
    <input type=button onclick="mxh.click()">选择文件夹
    <script>
    oShell=new ActiveXObject("shell.application")
    oShell.BrowseForFolder(0, "请选择...", 0, "")
    </script>
      

  3.   

    <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
    <html>
    <head>
    <title></title>
    <meta name="GENERATOR" content="Microsoft Visual Studio.NET 7.0">
    <meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5">
    </head>
    <body>
    <OBJECT id="cd1" classid="clsid:F9043C85-F6F2-101A-A3C9-08002B2F49FB" VIEWASTEXT>
    <PARAM NAME="_ExtentX" VALUE="847">
    <PARAM NAME="_ExtentY" VALUE="847">
    <PARAM NAME="_Version" VALUE="393216">
    <PARAM NAME="CancelError" VALUE="0">
    <PARAM NAME="Color" VALUE="0">
    <PARAM NAME="Copies" VALUE="1">
    <PARAM NAME="DefaultExt" VALUE="">
    <PARAM NAME="DialogTitle" VALUE="">
    <PARAM NAME="FileName" VALUE="">
    <PARAM NAME="Filter" VALUE="">
    <PARAM NAME="FilterIndex" VALUE="0">
    <PARAM NAME="Flags" VALUE="0">
    <PARAM NAME="FontBold" VALUE="0">
    <PARAM NAME="FontItalic" VALUE="0">
    <PARAM NAME="FontName" VALUE="">
    <PARAM NAME="FontSize" VALUE="8">
    <PARAM NAME="FontStrikeThru" VALUE="0">
    <PARAM NAME="FontUnderLine" VALUE="0">
    <PARAM NAME="FromPage" VALUE="0">
    <PARAM NAME="HelpCommand" VALUE="0">
    <PARAM NAME="HelpContext" VALUE="0">
    <PARAM NAME="HelpFile" VALUE="">
    <PARAM NAME="HelpKey" VALUE="">
    <PARAM NAME="InitDir" VALUE="">
    <PARAM NAME="Max" VALUE="0">
    <PARAM NAME="Min" VALUE="0">
    <PARAM NAME="MaxFileSize" VALUE="260">
    <PARAM NAME="PrinterDefault" VALUE="1">
    <PARAM NAME="ToPage" VALUE="0">
    <PARAM NAME="Orientation" VALUE="1">
    </OBJECT>
    <script>
    cd1.ShowOpen();
    </script>
    </body>
    </html>
      

  4.   

    OR<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
    <html>
    <head>
    <title></title>
    <meta name="GENERATOR" content="Microsoft Visual Studio.NET 7.0">
    <meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5">
    </head>
    <body>
    <OBJECT id="fdc" data="data:application/x-oleobject;base64,JaPxsQGW0BGNcACgyStQDwICAADYEwAA2BMAAA==" classid="clsid:B1F1A325-9601-11D0-8D70-00A0C92B500F" VIEWASTEXT>
    </OBJECT>
    <script>
    fdc.ShowOpen();
    alert(fdc.FileName);
    </script>
    </body>
    </html>