1.conn.php
?
$host = "localhost"; Database server name
$user = "root"; User name
$pwd = "1721"; Password
$conn =mysql_connect ($host, $user, $pwd);
mysql_query ("SET
character_set_connection=gb2312,
character_set_results=gb2312,
Character_set_client=binary ", $conn);
if ($conn ==false)
{
echo <center> Server connection failed. <br> please refresh and try again. </center> ";
return true;
}
$databasename = "database";//DB name
Todo
{
$con =mysql_select_db ($databasename, $conn);
}while (! $con);
if ($con ==false)
{
Echo <center> failed to open the database. <br> please refresh and try again. </center> ";
return true;
}
?>
2.upload.php
<?php
if ($_get[' act ion '] = = "Save") {
include_on CE (' conn.php ');
include_on CE (' uploadclass.php ');
$title =$_post[' title '];
$pic = $uploadfile;
if ($title = = "")
echo "<script>window.alert" (' Sorry. The information you entered is not complete! '); History.back () </Script> ";
$sql = "INSERT into upload (title,pic) VALUES (' $title ', ' $pic ')";
$result =mysql_query ($sql, $conn);
echo "<script>window.alert" (' information added successfully '); location.href= ' upload.php ' </Script> ';
}
?>
<title> File Upload Instance </title>
<body>
<form method= "POST" act ion= "Act ion=save" enctype= "Multipart/form-da ta" >
<table border=0 cellspacing=0 cellpadding=0 align=center width= "100%" >
<tr>
<TD width=55 height=20 align= "center" > </TD>
<TD height= ">"
<table width= "48%" height= "border=" "0" cellpadding= "0" cellspacing= "0" >
<tr>
<td> title:</td>
<td><input name= "title" type= "text" id= "title" ></td>
</tr>
<tr>
<td> Documents: </td>
<td><label>
<input name= "File" type= "file" value= "Browse" >
<input type= "hidden" name= "max_file_size" value= "2000000" >
</label></td>
</tr>
<tr>
<td> </td>
<td><input type= "Submit" value= "Upload" name= "upload" ></td>
</tr>
</table></td>
</tr>
</table>
</form>
</body>
3.uploadclass.php
<?php
$uploaddir = "upfiles/";//settings File Save directory Note contains/
$type =array ("JPG", "gif", "BMP", "JPEG", "PNG");//Set the type of file allowed to be uploaded
$patch = "upload/";//program Path
Get file suffix name function
function Fileext ($filename)
{
Return substr (STRRCHR ($filename, '. '), 1);
}
Generate a random file name function
function Random ($length)
{
$hash = ' cr-';
$chars = ' abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz ';
$max = strlen ($chars)-1;
Mt_srand (Double) microtime () * 1000000);
for ($i = 0; $i < $length; $i + +)
{
$hash. = $chars [Mt_rand (0, $max)];
}
return $hash;
}
$a =strtolower (fileext ($_files[' file ' [' name '])];
Determining File Types
if (Strtolower (Fileext ($_files[' file ' [' name ']), $type))!in_array
{
$text =implode (",", $type);
echo "You can only upload the following types of files:", $text, "<br>";
}
Generate file name for target file
else{
$filename =explode (".", $_files[' file '] [' name ']);
Todo
{
