PHP实现规范化文件上传

来源：互联网发布：想从事网络娱乐行业编辑：程序博客网时间：2024/05/16 08:56
一代码
<!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">  <tr>    <td width="193" rowspan="4">&nbsp;</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">&nbsp;</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" />    &nbsp;&nbsp;&nbsp;&nbsp;<input type="image" name="imageField3" src="images/bg_11.jpg" /></td>  </tr>    </form>  <tr>    <td height="70"><?phpif(!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" || $subtype!="jpeg"){echo "上传文件格式不正确";}else{if(!is_dir("./upfile/")){//判断指定目录是否存在mkdir("./upfile/");//创建目录}$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>
二运行结果
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