js 获取上传文件的字节数及内容 <div> 上传文件 : <input type="file" name = "file" id = "fileId" /> <button type = "submit" name = "btn" value = "提交" id = "btnId" onclick="check()"
js 获取上传文件的字节数及内容 <div> 上传文件 : <input type="file" name = "file" id = "fileId" /> <button type = "submit" name = "btn" value = "提交" id = "btnId" onclick="check()"
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title> new document </ti
<div> 上传文件 : <input type="file" name = "file" id = "fileId" /> <button type = "submit" name = "btn" value = "提交" id = "btnId" onclick="check()" /> 提交 </di
<html> <head> <script type="text/javascript"> function fileChange(target){ //检测上传文件的类型 var imgName = document.all.up_file.value; var ext,idx; if (imgName == ''){ document.all.submit_upload.disabled=true; alert("请选择需要上传的文件!
var video_src_file = $("#video_src_file").val(); var fileTypes = new Array("flv","3gp","mpeg","avi","mp4"); //定义可支持的文件类型数组 var fileTypeFlag = "0"; var newFileName = video_src_file.spli