文件上传

来源：互联网发布：犀牛软件验证码编辑：程序博客网时间：2024/06/05 10:48

1.图片文件上传，文件夹必须存在才能上传成功，可以再之前添加一个功能“判断文件夹是否存在，不存在时，就创建文件夹，存在则不作任何处理”

<!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><meta http-equiv="Content-Type" content="text/html; charset=gb2312" /><title>无标题文档</title></head><body><table><?phpfunction getImageExt($fileName){$arrFile=explode('.',strtolower($fileName));$fileExt=$arrFile[count($arrFile)-1];return $fileExt;}if (is_uploaded_file($_FILES['upfile']['tmp_name'])){$upfile=$_FILES["upfile"];$name = $upfile["name"];$type = $upfile["type"];$size = $upfile["size"];$tmp_name = $upfile["tmp_name"];$error = $upfile["error"];switch ($type) {case 'image/jpg' :if(getImageExt($name)=="jpg" || getImageExt($name)=="jpeg") $ok=1;break;case 'image/jpeg' :if(getImageExt($name)=="jpg" || getImageExt($name)=="jpeg") $ok=1;break;case 'image/pjpeg' :if(getImageExt($name)=="jpg" || getImageExt($name)=="jpeg") $ok=1;break;case 'image/gif' :if(getImageExt($name)=="gif") $ok=1;break;case 'image/png' :if(getImageExt($name)=="png") $ok=1;break;case 'image/x-png' :if(getImageExt($name)=="png") $ok=1;break;}}?><form action="" enctype="multipart/form-data" method="post" name="upform"><tr><td height="110" bgcolor="#FFFFFF" class="STYLE2">LOGO上传：</td><td height="110" bgcolor="#FFFFFF" class="STYLE2"><?phpif($ok && $error=='0'){if(move_uploaded_file($tmp_name,'img/'.$name)){echo "<span style=\"color:red\">上传成功</span><br/>";}else{echo "<span style=\"color:red\">上传失败！</span><br/>";}}if(is_uploaded_file($_FILES['upfile']['tmp_name']) && $ok!=1){echo "<span style=\"color:red\">上传失败,请确认您上传的图片为:jpg jpeg gif png格式!</span><br>";}?><input name="upfile" type="file"><input type="submit" value="上传"><br /><span style="color:#F00">标准尺寸:长＜240px 宽＜100px</span><br /><span style="color:#36C">文件会上传到站点相对路径的img/目录</span></td><td height="80" bgcolor="#FFFFFF" class="STYLE4">支持上传的图片类型为:jpg jpeg gif png格式!<br><span style="color:#F00">注意:如果上传的文件名与原目录的文件名相同,此操作会自动覆盖原来的图片。</span></td></tr></form></table></body></html>