复制代码 代码如下:
<?
$host="localhost"; //数据库服务器名称
$user="root"; //用户名
$pwd="1721"; //密码
$conn=mysql_connect($host,$user,$pwd);
mysql_query("SET
character_set_connection=gb2312,
character_set_results=gb2312,
character_set_client=binary",$conn);
if ($conn==FALSE)
{
echo "<center>服务器连接失败！<br>请刷新后重试。</center>";
return true;
}
$databasename="database";//数据库名称
do
{
$con=mysql_select_db($databasename,$conn);
}while(!$con);
if ($con==FALSE)
{
echo "<center>打开数据库失败！<br>请刷新后重试。</center>";
return true;
}
?>
复制代码 代码如下:
<?php
if ($_GET['action'] == "save"){
include_once('conn.php');
include_once('uploadclass.php');
$title=$_POST['title'];
$pic=$uploadfile;
if($title == "")
echo"<Script>window.alert('对不起！你输入的信息不完整!');history.back()</Script>";
$sql="insert into upload(title,pic) values('$title','$pic')";
$result=mysql_query($sql,$conn);
//echo"<Script>window.alert('信息添加成功');location.href='upload.php'</Script>";
}
?>
<html>
<head>
<title>文件上传实例</title>
</head>
<body>
<form method="post" action="?action=save" enctype="multipart/form-data">
<table border=0 cellspacing=0 cellpadding=0 align=center>
<tr>
<td width=55 height=20> </TD>
<td>
<table cellpadding="0" cellspacing="0">
<tr>
<td>标题：</td>
<td><input type="text"></td>
</tr>
<tr>
<td>文件： </td>
<td><label>
<input type="file" value="浏览" >
<input type="hidden" value="2000000">
</label></td>
</tr>
<tr>
<td> </td>
<td><input type="submit" value="上 传"></td>
</tr>
</table></td>
</tr>
</table>
</form>
</body>
</html>
复制代码 代码如下:
<?php
$uploaddir = "upfiles/";//设置文件保存目录 注意包含/
$type=array("jpg","gif","bmp","jpeg","png");//设置允许上传文件的类型
$patch="upload/";//程序所在路径
//获取文件后缀名函数
function fileext($filename)
{
return substr(strrchr($filename, '.'), 1);
}
//生成随机文件名函数
function random($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']));
//判断文件类型
if(!in_array(strtolower(fileext($_FILES['file']['name'])),$type))
{
$text=implode(",",$type);
echo "您只能上传以下类型文件: ",$text,"<br>";
}
//生成目标文件的文件名
else{
$filename=explode(".",$_FILES['file']['name']);
do
{
$filename[0]=random(10); //设置随机数长度
$name=implode(".",$filename);
//$name1=$name.".Mcncc";
$uploadfile=$uploaddir.$name;
}
while(file_exists($uploadfile));
if (move_uploaded_file($_FILES['file']['tmp_name'],$uploadfile))
{
if(is_uploaded_file($_FILES['file']['tmp_name']))
{
echo "上传失败!";
}
else
{//输出图片预览
echo "<center>您的文件已经上传完毕 上传图片预览: </center><br><center><img src='$uploadfile'></center>";
echo "<br><center><a href='upload.htm'>继续上传</a></center>";
}
}
}
?>
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