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"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;}
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