表单代码
<form name=form1 method=post action=admin_upfile.php enctype=multipart/form-data>
<input type=file name=pic>
<input type=submit name=Submit value=开始上传 class=button>
</form>
后端php代码
/**
* 上传图片客户端和服务器端代码演示
*
* @param
* @arrange 网: jb51.cc
**/
//这里上传 $upsize判断上传文件的大小
$uppath = /attached/; //文件上传路径
//转换根目录的路径
if (strpos($uppath,/) == 0)
{
$i = 0;
$thpath = $_SERVER[SCRIPT_NAME];
$thpath = substr($thpath,1,strlen($thpath));
while (strripos($thpath,/) !== false)
{
$thpath = substr($thpath,strpos($thpath,/) + 1,strlen($thpath));
$i = ++$i;
}
$pp = ;
for ($j = 0; $j < $i; ++$j)
{
$pp .= ../;
}
$uppaths = $pp . substr($uppath,strlen($thpath));
}
$filename = date(y-m-d);
if (is_dir($uppaths . $filename) != TRUE)
mkdir($uppaths . $filename,0777);
$f = $_FILES['pic'];
if ($f[type] != image/gif && $f[type] != image/pjpeg && $f[type] != image/jpeg && $f[type] != image/x-png)
{
echo <script>alert('只能上传图片格式的文件');window.close()</script>;
return false;
}
//获得文件扩展名
$temp_arr = explode(.,$f[name]);
$file_ext = array_pop($temp_arr);
$file_ext = trim($file_ext);
$file_ext = strtolower($file_ext);
//新文件名
$new_file_name = md5(date(YmdHis)) . '.' . $file_ext;
echo $dest = $uppaths . $filename . / . date(ymdhis) . _ . $new_file_name; //设置文件名为日期加上文件名避免重复 上传目录
echo $dest1 = $uppath . $filename . / . date(ymdhis) . _ . $new_file_name; //设置文件名为日期加上文件名避免重复
$r = move_uploaded_file($f['tmp_name'],$dest);
/*** 来自编程之家 jb51.cc(jb51.cc) ***/