<!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=utf-8" /> <title>规范化的文件上传</title> <link href="css/style.css" rel="stylesheet" type="text/css" /> </head> <body> <table width="830" border="0" cellpadding="0" cellspacing="0"> <tr> <td colspan="3"><img src="images/bg_01.jpg" width="830" height="133" /></td> </tr> <form action="" method="post" enctype="multipart/form-data"> ----一定要加入enctype，否则不能上传文件----- <tr> <td width="193" rowspan="4"> </td> <td width="423" height="50">选择上传文件： <input type="hidden" name="MAX_FILE_SIZE" value="100000000" /> <input type="file" name="up_picture"/> </td> <td width="214" rowspan="4"> </td> </tr> <tr> <td height="30" align="center"><span class="STYLE1">上传图片格式为（jpg）、大小为（2M）</span></td> </tr> <tr> <td height="50" align="center"><input type="image" name="imageField2" src="images/bg_09.jpg" /> <input type="image" name="imageField3" src="images/bg_11.jpg" onclick="form.reset()" /></td> </tr> </form> <tr> <td height="70"> <?php if(!empty($_FILES['up_picture']['name'])){ //判断上传内容是否为空 if($_FILES['up_picture']['error']>0){ //判断文件是否可以上传到服务器 echo "上传错误:"; switch($_FILES['up_picture']['error']){ case 1: echo "上传文件大小超出配置文件规定值"; break; case 2: echo "上传文件大小超出表单中约定值"; break; case 3: echo "上传文件不全"; break; case 4: echo "没有上传文件"; break; } }else{ list($maintype,$subtype)=explode("/",$_FILES['up_picture']['type']); if($maintype!="image"){ echo "上传文件格式不正确"; }else{ if(!is_dir("./upfile/")){ //判断指定目录是否存在 mkdir("./upfile/"); //创建目录 } $path='./upfile/'.time().strtolower(strstr($_FILES['up_picture']['name'],".")); //定义上传文件名称和存储位置 if(is_uploaded_file($_FILES['up_picture']['tmp_name'])){ //判断文件是否是HTPP POST上传 if(!move_uploaded_file($_FILES['up_picture']['tmp_name'],$path)){ //执行上传操作 echo "上传失败"; }else{ echo "文件:<span class='STYLE1'>".time().strtolower(strstr($_FILES['up_picture']['name'],"."))."</span> 上传成功，大小为：<span class='STYLE1'>".$_FILES['up_picture']['size']."</span> 字节"; } }else{ echo "上传文件:<span class='STYLE1'>".$_FILES['up_pictute']['name']."</span>不合法！"; } } } } ?> </td> </tr> <tr> <td colspan="3"><img src="images/bg_14.jpg" width="830" height="30" /></td> </tr> </table> </body> </html>
