ImgURL是一个简单、纯粹的图床程序,让个人图床多一个选择。
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<?php
error_reporting(E_ALL^E_NOTICE^E_WARNING^E_DEPRECATED);
include_once('./config.php');
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//验证用户,并设置上传目录
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$dir = check($_COOKIE['uid'],$config['username'],$config['password'],$config['userdir'],$config['admindir']);
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$img_name = $_FILES["file"]["name"]; //文件名称
$suffix = substr(strrchr($img_name, '.'), 1);//文件后缀
$suffix = strtolower($suffix); //文件后缀转换为小写
$rnum = date('dhis',time()).rand(1000,9999); //生成一个随机数
//$new_name = substr(md5($img_name.$rnum), 8, 16).'.'.$suffix; //新的文件名
$img_type = $_FILES["file"]["type"]; //文件类型
$img_size = $_FILES["file"]["size"]; //文件大小
$img_tmp = $_FILES["file"]["tmp_name"]; //临时文件名称
//生成文件HASH
$fhash = hash_file("md5",$img_tmp,FALSE);
$fhash = substr($fhash,8,16);
//新的文件名
$new_name = $fhash.'.'.$suffix;
$img_error = $_FILES["file"]["error"]; //错误代码
$max_size = 2097152; //最大上传大小2M
$current_time = date('ym',time()); //当前月份
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$dir = $dir.'/'.$current_time; //图片目录
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$dir_name = $dir.'/'.$new_name; //完整路径
//使用exif_imagetype函数来判断文件类型
$file_type = exif_imagetype($img_tmp);
switch ( $file_type )
{
case IMAGETYPE_GIF:
$status = 1;
break;
case IMAGETYPE_JPEG:
$status = 1;
break;
case IMAGETYPE_PNG:
$status = 1;
break;
case IMAGETYPE_BMP:
$status = 1;
break;
default:
$status = 0;
break;
}
//判断文件后缀
switch ( $suffix )
{
case jpg:
$suffix_status = 1;
break;
case png:
$suffix_status = 1;
break;
case jpeg:
$suffix_status = 1;
break;
case bmp:
$suffix_status = 1;
break;
case gif:
$suffix_status = 1;
break;
default:
$suffix_status = 0;
break;
}
//判断文件夹是否存在,不存在则创建目录
if(!file_exists($dir)){
mkdir($dir,0777,true);
}
//开始上传
if(($img_size <= $max_size) && ($status == 1) && ($suffix_status == 1)) {
if ($_FILES["file"]["error"] > 0)
{
echo "Return Code: " . $_FILES["file"]["error"] . "<br />";
}
else {
//如果上传成功
if(move_uploaded_file($img_tmp,$dir_name)){
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//压缩图片
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//tinypng($config['tinypng'],$dir_name);
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$img_url = $config['domain'].$dir_name; //自定义图片路径
$img_info = getimagesize($dir_name);
$img_width = $img_info['0']; //图片宽度
$img_height = $img_info['1']; //图片高度
$re_data = array("linkurl" => $img_url,width => $img_width,"height" => $img_height,"status" => 'ok');
//返回json格式
echo json_encode($re_data);
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exit;
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}
//没有上传成功
else{
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echo "上传失败!";
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}
}
}
else{
$re_data = array("linkurl" => $img_url,width => $img_width,"height" => $img_height,"status" => 'no');
//返回json格式
echo json_encode($re_data);
}
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//判断用户是否登录,5个参数,cookie,用户名、密码、用户上传目录、管理员上传目录
function check($cookie,$user,$pass,$udir,$adir){
$loginid = $cookie;
$userid = md5($user.$pass);
if($loginid == $userid) {
return $adir;
}
else {
return $udir;
}
}
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?>