www.gusucode.com > baigo CMS PHP开源网站管理系统 v1.2.2源码程序 > baigocms_v1.2.2/bg_core/class/upload.class.php
<?php
/*-----------------------------------------------------------------
！！！！警告！！！！
以下为系统文件，请勿修改
-----------------------------------------------------------------*/
//不能非法包含或直接执行
if(!defined("IN_BAIGO")) {
exit("Access Denied");
}
if(!defined("BG_UPLOAD_URL")) {
define("BG_UPLOAD_URL", "");
}
/*-------------上传类-------------*/
class CLASS_UPLOAD {
private $obj_ftp;
private $obj_dir;
private $ftp_status_conn;
private $ftp_status_login;
private $uploadSize; //允许上传大小
private $attachExt; //扩展名
private $attachPath; //路径
private $attachName; //文件名
private $fileTmp;
public $config;
public $mime_image = array();
public $thumbRows = array();
public $mimeRows = array();
function __construct() { //构造函数
$this->obj_base = $GLOBALS["obj_base"]; //获取界面类型
$this->config = $this->obj_base->config;
$this->obj_dir = new CLASS_DIR();
if (BG_MODULE_FTP == 1 && defined("BG_UPLOAD_FTPHOST") && strlen(BG_UPLOAD_FTPHOST) > 1) {
$this->obj_ftp = new CLASS_FTP(); //设置 FTP 对象
}
}
/** 上传初始化
* upload_init function.
*
* @access public
* @param mixed $arr_mime 允许上传类型数组
* @param mixed $arr_thumb 缩略图数组
* @return void
*/
function upload_init() {
switch (BG_UPLOAD_UNIT) { //初始化单位
case "B":
$_num_sizeUnit = 1;
break;
case "KB":
$_num_sizeUnit = 1024;
break;
case "MB":
$_num_sizeUnit = 1024 * 1024;
break;
case "GB":
$_num_sizeUnit = 1024 * 1024 * 1024;
break;
}
$this->uploadSize = BG_UPLOAD_SIZE * $_num_sizeUnit;
if (BG_MODULE_FTP == 1 && defined("BG_UPLOAD_FTPHOST") && strlen(BG_UPLOAD_FTPHOST) > 1) {
$this->ftp_status_conn = $this->obj_ftp->ftp_conn(BG_UPLOAD_FTPHOST, BG_UPLOAD_FTPPORT);
$this->ftp_status_login = $this->obj_ftp->ftp_login(BG_UPLOAD_FTPUSER, BG_UPLOAD_FTPPASS);
if (!$this->ftp_status_conn) {
return array(
"alert" => "x030301",
);
}
if (!$this->ftp_status_login) {
return array(
"alert" => "x030302",
);
}
}
return array(
"alert" => "y070403",
);
}
/** 上传预处理
* upload_pre function.
*
* @access public
* @return void
*/
function upload_pre() {
$this->attachFiles = $_FILES["attach_files"];
switch ($this->attachFiles["error"]) { //返回错误
case 1:
return array(
"alert" => "x100201",
);
break;
case 2:
return array(
"alert" => "x100202",
);
break;
case 3:
return array(
"alert" => "x100203",
);
break;
case 4:
return array(
"alert" => "x100204",
);
break;
case 6:
return array(
"alert" => "x100206",
);
break;
case 7:
return array(
"alert" => "x100207",
);
break;
}
$_obj_finfo = new finfo();
$this->attachFiles["mime"] = $_obj_finfo->file($this->attachFiles["tmp_name"], FILEINFO_MIME_TYPE);
$_str_ext = $this->mimeRows[$this->attachFiles["mime"]];
$this->attachFiles["ext"] = strtolower($_str_ext); //扩展名
if (!array_key_exists($this->attachFiles["mime"], $this->mimeRows)) { //是否允许
return array(
"alert" => "x070202",
);
}
if ($this->attachFiles["size"] > $this->uploadSize) { //是否超过尺寸
return array(
"alert" => "x070203",
);
}
return array(
"attach_tmp" => $this->attachFiles["tmp_name"],
"attach_ext" => $this->attachFiles["ext"],
"attach_mime" => $this->attachFiles["mime"],
"attach_name" => $this->attachFiles["name"],
"attach_size" => $this->attachFiles["size"],
"alert" => "y100201",
);
}
/** 提交上传
* upload_submit function.
*
* @access public
* @param mixed $tm_time 上传时间
* @param mixed $num_attachId 文件ID
* @return void
*/
function upload_submit($tm_time, $num_attachId) {
$this->attachPath = BG_PATH_ATTACH . date("Y", $tm_time) . "/" . date("m", $tm_time) . "/";
if (BG_MODULE_FTP == 1 && defined("BG_UPLOAD_FTPHOST") && strlen(BG_UPLOAD_FTPHOST) > 1 && defined("BG_UPLOAD_URL")) { //如果定义了FTP服务器，则加上 URL 前缀
$_str_attachPre = BG_UPLOAD_URL . "/";
} else {
$_str_attachPre = BG_URL_ATTACH;
}
$_str_attachUrl = $_str_attachPre . date("Y", $tm_time) . "/" . date("m", $tm_time) . "/";
$this->attachFtp = "/" . date("Y", $tm_time) . "/" . date("m", $tm_time) . "/";
if (!$this->obj_dir->mk_dir($this->attachPath)) { //建目录失败
return array(
"alert" => "x100101",
);
}
$this->attachName = $num_attachId; //原始文件名
move_uploaded_file($this->attachFiles["tmp_name"], $this->attachPath . $this->attachName . "." . $this->attachFiles["ext"]); //将上传的文件移到指定路径
if (BG_MODULE_FTP == 1 && defined("BG_UPLOAD_FTPHOST") && strlen(BG_UPLOAD_FTPHOST) > 1) { //如果定义了FTP服务器，则上传到FTP
if (!$this->ftp_status_conn) {
return array(
"alert" => "x030301",
);
}
if (!$this->ftp_status_login) {
return array(
"alert" => "x030302",
);
}
$_ftp_status = $this->obj_ftp->up_file($this->attachPath . $this->attachName . "." . $this->attachFiles["ext"], BG_UPLOAD_FTPPATH . $this->attachFtp . $this->attachName . "." . $this->attachFiles["ext"]);
if (!$_ftp_status) {
return array(
"alert" => "x030303",
);
}
}
if (array_key_exists($this->attachFiles["mime"], $this->mime_image)) { //如果是图片，则生成缩略图
foreach ($this->thumbRows as $_key=>$_value) {
$_arr_thumbRow = $this->thumb_do($_value["thumb_width"], $_value["thumb_height"], $_value["thumb_type"]);
}
$_str_attachType = "image";
} else {
$_str_attachType = "file";
}
/*if (BG_MODULE_FTP == 1 && defined("BG_UPLOAD_FTPHOST") && strlen(BG_UPLOAD_FTPHOST) > 1 && file_exists($this->attachPath . $this->attachName . "." . $this->attachFiles["ext"])) { //如果FTP上传成功，且文件存在，在上传完成后删除
unlink($this->attachPath . $this->attachName . "." . $this->attachFiles["ext"]);
}*/
return array(
"attach_path" => $this->attachPath . $this->attachName . "." . $this->attachFiles["ext"],
"attach_url" => $_str_attachUrl . $this->attachName . "." . $this->attachFiles["ext"],
"attach_type" => $_str_attachType,
"alert" => "y070401",
);
}
/** 删除
* upload_del function.
*
* @access public
* @param mixed $arr_attach 预删除的文件数组
* @return void
*/
function upload_del($arr_attach) {
foreach ($arr_attach as $_key=>$_value) {
$_str_filePath = date("Y", $_value["attach_time"]) . "/" . date("m", $_value["attach_time"]) . "/" . $_value["attach_id"] . "." . $_value["attach_ext"];
//print_r($_str_filePath);
//exit;
if (file_exists(BG_PATH_ATTACH . $_str_filePath)) { //文件是否存在
unlink(BG_PATH_ATTACH . $_str_filePath);
}
if (BG_MODULE_FTP == 1 && defined("BG_UPLOAD_FTPHOST") && strlen(BG_UPLOAD_FTPHOST) > 1) { //是否定义FTP服务器
if (!$this->ftp_status_conn) {
return array(
"alert" => "x030301",
);
}
if (!$this->ftp_status_login) {
return array(
"alert" => "x030302",
);
}
$this->obj_ftp->del_file(BG_UPLOAD_FTPPATH . "/" . $_str_filePath);
}
//if (array_key_exists($this->attachFiles["mime"], $this->mime_image)) { //如果是图片，则生成缩略图
foreach ($this->thumbRows as $_key_thumb=>$_value_thumb) { //删除缩略图
$_str_thumbPath = date("Y", $_value["attach_time"]) . "/" . date("m", $_value["attach_time"]) . "/" . $_value["attach_id"] . "_" . $_value_thumb["thumb_width"] . "_" . $_value_thumb["thumb_height"] . "_" . $_value_thumb["thumb_type"] . "." . $_value["attach_ext"];
if (file_exists(BG_PATH_ATTACH . $_str_thumbPath)) {
unlink(BG_PATH_ATTACH . $_str_thumbPath);
}
if (BG_MODULE_FTP == 1 && defined("BG_UPLOAD_FTPHOST") && strlen(BG_UPLOAD_FTPHOST) > 1) {
if (!$this->ftp_status_conn) {
return array(
"alert" => "x030301",
);
}
if (!$this->ftp_status_login) {
return array(
"alert" => "x030302",
);
}
$this->obj_ftp->del_file(BG_UPLOAD_FTPPATH . "/" . $_str_thumbPath);
}
}
//}
}
}
/** 生成缩略图
* thumb_do function.
*
* @access public
* @param mixed $num_width 宽度
* @param mixed $num_height 高度
* @param string $str_type (default: "ratio") 类型（默认等比例）
* @return void
*/
function thumb_do($num_width, $num_height, $str_type = "ratio", $arr_attachRow = false) {
if ($arr_attachRow) {
$this->attachName = $arr_attachRow["attach_id"];
$this->attachPath = BG_PATH_ATTACH . date("Y", $arr_attachRow["attach_time"]) . "/" . date("m", $arr_attachRow["attach_time"]) . "/";
$this->attachFiles["ext"] = $arr_attachRow["attach_ext"];
$this->attachFiles["mime"] = $arr_attachRow["attach_mime"];
if (BG_MODULE_FTP == 1 && defined("BG_UPLOAD_FTPHOST") && strlen(BG_UPLOAD_FTPHOST) > 1) { //如果定义了FTP服务器，则上传
$this->attachFtp = "/" . date("Y", $arr_attachRow["attach_time"]) . "/" . date("m", $arr_attachRow["attach_time"]) . "/";
$this->ftp_status_conn = $this->obj_ftp->ftp_conn(BG_UPLOAD_FTPHOST, BG_UPLOAD_FTPPORT);
$this->ftp_status_login = $this->obj_ftp->ftp_login(BG_UPLOAD_FTPUSER, BG_UPLOAD_FTPPASS);
}
}
$_str_srcPath = $this->attachPath . $this->attachName . "." . $this->attachFiles["ext"]; //源图片
$_str_dstFile = $this->attachName . "_" . $num_width . "_" . $num_height . "_" . $str_type . "." . $this->attachFiles["ext"]; //目标缩略图
$_str_dstPath = $this->attachPath . $_str_dstFile; //目标缩略图
switch ($this->attachFiles["mime"]) { //创建图片对象
case "image/jpeg":
case "image/pjpeg":
$_src_image = imagecreatefromjpeg($_str_srcPath);
break;
case "image/gif":
$_src_image = imagecreatefromgif($_str_srcPath);
break;
case "image/png":
case "image/x-png":
$_src_image = imagecreatefrompng($_str_srcPath);
break;
case "image/bmp":
case "image/x-ms-bmp":
case "image/x-windows-bmp":
$_src_image = imagecreatefromwbmp($_str_srcPath);
break;
}
$_width_src = imagesx($_src_image); //取得源图片的尺寸
$_height_src = imagesy($_src_image);
$_arr_thumb_size = $this->size_process($num_width, $num_height, $_width_src, $_height_src, $str_type); //计算缩略图尺寸
if ($_arr_thumb_size["width_dst"] >= $_width_src && $_arr_thumb_size["height_dst"] >= $_height_src) { //如果源图片小于目标缩略图，则只是拷贝
copy($_str_srcPath, $_str_dstPath);
if (BG_MODULE_FTP == 1 && defined("BG_UPLOAD_FTPHOST") && strlen(BG_UPLOAD_FTPHOST) > 1) { //如果定义了FTP服务器，则上传
if (!$this->ftp_status_conn) {
return array(
"alert" => "x030301",
);
}
if (!$this->ftp_status_login) {
return array(
"alert" => "x030302",
);
}
$_ftp_status = $this->obj_ftp->up_file($_str_dstPath, BG_UPLOAD_FTPPATH . $this->attachFtp . $_str_dstFile);
if (!$_ftp_status) {
return array(
"alert" => "x030303",
);
}
/*if (file_exists($_str_dstPath)) {
unlink($_str_dstPath);
}*/
}
return array(
"alert" => "x070402",
);
}
$_dst_image = imagecreatetruecolor($_arr_thumb_size["width_dst"], $_arr_thumb_size["height_dst"]); //根据计算结果生成毛图片
$_dst_image = $this->transparent_process($_dst_image);
switch ($str_type) {
case "cut": //裁切
$_tmp_image = imagecreatetruecolor($_arr_thumb_size["width_tmp"], $_arr_thumb_size["height_tmp"]);
$_tmp_image = $this->transparent_process($_tmp_image);
imagecopyresampled($_tmp_image, $_src_image, 0, 0, 0, 0, $_arr_thumb_size["width_tmp"], $_arr_thumb_size["height_tmp"], $_width_src, $_height_src); //先缩小
imagecopy($_dst_image, $_tmp_image, 0, 0, $_arr_thumb_size["width_cut"], $_arr_thumb_size["height_cut"], $_arr_thumb_size["width_dst"], $_arr_thumb_size["height_dst"]); //合成
imagedestroy($_tmp_image);
break;
default: //按比例缩小
imagecopyresampled($_dst_image, $_src_image, 0, 0, 0, 0, $_arr_thumb_size["width_tmp"], $_arr_thumb_size["height_tmp"], $_width_src, $_height_src); //直接缩小
break;
}
switch ($this->attachFiles["mime"]) { //生成最终图片
case "image/jpeg":
case "image/pjpeg":
imagejpeg($_dst_image, $_str_dstPath);
break;
case "image/gif":
imagegif($_dst_image, $_str_dstPath);
break;
case "image/png":
case "image/x-png":
imagepng($_dst_image, $_str_dstPath);
break;
case "image/bmp":
case "image/x-ms-bmp":
case "image/x-windows-bmp":
imagewbmp($_dst_image, $_str_dstPath);
break;
}
imagedestroy($_src_image); //清空对象
imagedestroy($_dst_image);
if (BG_MODULE_FTP == 1 && defined("BG_UPLOAD_FTPHOST") && strlen(BG_UPLOAD_FTPHOST) > 1) { //如果定义了FTP服务器，则上传
if (!$this->ftp_status_conn) {
return array(
"alert" => "x030301",
);
}
if (!$this->ftp_status_login) {
return array(
"alert" => "x030302",
);
}
$_ftp_status = $this->obj_ftp->up_file($_str_dstPath, BG_UPLOAD_FTPPATH . $this->attachFtp . $_str_dstFile);
if (!$_ftp_status) {
return array(
"alert" => "x030303",
);
}
/*if (file_exists($_str_dstPath)) {
unlink($_str_dstPath);
}*/
}
return array(
"alert" => "y070402",
);
}
/** 计算缩略图尺寸
* size_process function.
*
* @access public
* @param mixed $num_width 宽度
* @param mixed $num_height 高度
* @param mixed $width_src 原始宽度
* @param mixed $height_src 原始高度
* @param string $str_type (default: "ratio") 类型（默认等比例）
* @return void
*/
private function size_process($num_width, $num_height, $width_src, $height_src, $str_type = "ratio") {
switch ($str_type) {
case "cut": //裁切
if ($width_src > $height_src) { //横向
$_height_tmp = intval($num_height); //缩小高度
$_width_tmp = intval($width_src / $height_src * $_height_tmp); //按比例计算宽度
$_height_cut = 0;
$_width_cut = intval(($_width_tmp - $num_width) / 2); //需裁切的部分
if ($_width_tmp < $num_width) { //如缩小后，宽度小于设定的宽度，则按照宽度重新计算
$_width_tmp = intval($num_width);
$_height_tmp = intval($_width_tmp / ($width_src / $height_src));
$_width_cut = 0;
$_height_cut = intval(($_height_tmp - $num_height) / 2);
}
} else { //纵向
$_width_tmp = intval($num_width); //缩小宽度
$_height_tmp = intval($height_src / $width_src * $_width_tmp); //按比例计算高度
$_width_cut = 0;
$_height_cut = intval(($_height_tmp - $num_height) / 2); //需裁切的部分
if ($_height_tmp < $num_height) { //如缩小后，高度小于设定的高度，则按照高度重新计算
$_height_tmp = intval($num_height);
$_width_tmp = intval($_height_tmp / ($height_src / $width_src));
$_height_cut = 0;
$_width_cut = intval(($_width_tmp - $num_width) / 2);
}
}
$_width_dst = $num_width;
$_height_dst = $num_height;
break;
default: //按比例缩小
if ($width_src > $height_src) { //横向
$_width_tmp = intval($num_width); //缩小宽度
$_height_tmp = intval($height_src / $width_src * $_width_tmp); //按比例计算高度
if ($_height_tmp > $num_height) { //如缩小后，高度大于设定高度，则按照高度重新计算
$_height_tmp = intval($num_height);
$_width_tmp = intval($_height_tmp / ($height_src / $width_src));
}
} else { //纵向
$_height_tmp = intval($num_height); //缩小高度
$_width_tmp = intval($width_src / $height_src * $_height_tmp); //按比例计算宽度
if ($_width_tmp > $num_width) { //如缩小后，宽度大于设定宽度，则按照宽度重新计算
$_width_tmp = intval($num_width);
$_height_tmp = intval($_width_tmp / ($width_src / $height_src));
}
}
$_width_cut = 0;
$_height_cut = 0;
$_width_dst = $_width_tmp;
$_height_dst = $_height_tmp;
break;
}
return array(
"width_tmp" => $_width_tmp,
"height_tmp" => $_height_tmp,
"width_cut" => $_width_cut,
"height_cut" => $_height_cut,
"width_dst" => $_width_dst,
"height_dst" => $_height_dst,
);
}
private function transparent_process($_res_image) {
switch ($this->attachFiles["mime"]) { //创建图片对象
case "image/gif":
$_color_bg = imagecolorallocate($_res_image, 255, 255, 255);
imagefill($_res_image, 0, 0, $_color_bg);
imagecolortransparent($_res_image, $_color_bg);
break;
case "image/png":
case "image/x-png":
imagealphablending($_res_image, false);
$_color_transparent = imagecolorallocatealpha($_res_image, 0, 0, 0, 127);
imagefill($_res_image, 0, 0, $_color_transparent);
imagesavealpha($_res_image, true);
break;
}
return $_res_image;
}
/**
* __destruct function.
*
* @access public
* @return void
*/
function __destruct() { //析构函数
if (BG_MODULE_FTP == 1 && defined("BG_UPLOAD_FTPHOST") && strlen(BG_UPLOAD_FTPHOST) > 1) {
$this->obj_ftp->close();
}
}
}