JS获取表单里资料选择框的文件路径

JS获取表单里文件选择框的文件路径

表单代码

<form name="myexcel" action="" enctype="multipart/form-data" method="post"><table width="800" border="1" align="center">  <tr>    <td width="213" align="right" >inputFile位置：</td>    <td width="661"><input type="text" size="60" name="toDir" id="toDir" />        <input type="button" onclick="javascript:inputDir();" value="JS获取" />    </td>  </tr>  <tr>    <td align="right">导入文件：</td>    <td><input type="file" id="path" name="path" size="60" /></td>  </tr>  <tr>    <td colspan="2"><input type="submit" value="整理" name="button1" /></td>  </tr></table></form>

?JS代码

function getFilePath(filePathId){    //判断浏览器类型    var isIE = (document.all) ? true : false;    var isIE7 = isIE && (navigator.userAgent.indexOf('MSIE 7.0') != -1);    var isIE8 = isIE && (navigator.userAgent.indexOf('MSIE 8.0') != -1);    var path = '';    if(isIE7 || isIE8)    {        var file = document.getElementById(filePathId);        file.select();        path = document.selection.createRange().text;        document.selection.empty();    }else{        try {            netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");        }catch (e) {            alert('在地址栏输入about:config，然后修改signed.applets.codebase_principal_support的键值，将值修改为true');            return;        }                var fname = document.getElementById(filePathId).value;        var file = Components.classes["@mozilla.org/file/local;1"].createInstance(Components.interfaces.nsILocalFile);        try {            // Back slashes for windows            file.initWithPath( fname.replace(/\//g, "\\\") );        }catch(e) {            if (e.result!=Components.results.NS_ERROR_FILE_UNRECOGNIZED_PATH) throw e;            alert('无法加载文件');            return;        }        path = file.path;    }    return path;}function inputDir(){var path = getFilePath('path');    document.getElementById("toDir").value = path;}