本文实例为大家分享PHP图片上传类，供大家参考，具体内容如下
PHP;">
get_ph_tmpname($_FILES['photo']['tmp_name']);
$up->get_ph_type($_FILES['photo']['type']);
$up->get_ph_size($_FILES['photo']['size']);
$up->get_ph_name($_FILES['photo']['name']);
$up->save();
}
?>
//上传图片的HTML：
PHP;">
set_datatime();
}
function set_datatime(){
$this->datetime=date("YmdHis");
}
//获取文件类型
function get_ph_type($phtype){
$this->ph_type=$phtype;
}
//获取文件大小
function get_ph_size($phsize){
$this->ph_size=$phsize."
"; } //获取上传临时文件名 function get_ph_tmpname($tmp_name){ $this->ph_tmp_name=$tmp_name; $this->imgsize=getimagesize($tmp_name); } //获取原文件名 function get_ph_name($phname){ $this->ph_name=$this->ph_path.$this->datetime.strrchr($phname,"."); //strrchr获取文件的点最后一次出现的位置 //$this->ph_name=$this->datetime.strrchr($phname,"."); //strrchr获取文件的点最后一次出现的位置 return $this->ph_name; } // 判断上传文件存放目录 function check_path(){ if(!file_exists($this->ph_path)){ mkdir($this->ph_path); } } //判断上传文件是否超过允许大小 function check_size(){ if($this->ph_size>$this->al_ph_size){ $this->showerror("上传图片超过2000KB"); } } //判断文件类型 function check_type(){ if(!in_array($this->ph_type,$this->al_ph_type)){ $this->showerror("上传图片类型错误"); } } //上传图片 function up_photo(){ if(!move_uploaded_file($this->ph_tmp_name,$this->ph_name)){ $this->showerror("上传文件出错"); } } //图片预览 function showphoto(){ if($this->preview==1){ if($this->imgsize[0]>2000){ $this->imgsize[0]=$this->imgsize[0]*$this->previewsize; $this->imgsize[1]=$this->imgsize[1]*$this->previewsize; } echo("![](\"{$this-)
ph_name}\" width=\"{$this->imgsize['0']}\" height=\"{$this->imgsize['1']}\">");
}
}
//错误提示
function showerror($errorstr){
echo "";
exit();
}
function save(){
$this->check_path();
$this->check_size();
$this->check_type();
$this->up_photo();
$this->showphoto();
}
}
?>
"; } //获取上传临时文件名 function get_ph_tmpname($tmp_name){ $this->ph_tmp_name=$tmp_name; $this->imgsize=getimagesize($tmp_name); } //获取原文件名 function get_ph_name($phname){ $this->ph_name=$this->ph_path.$this->datetime.strrchr($phname,"."); //strrchr获取文件的点最后一次出现的位置 //$this->ph_name=$this->datetime.strrchr($phname,"."); //strrchr获取文件的点最后一次出现的位置 return $this->ph_name; } // 判断上传文件存放目录 function check_path(){ if(!file_exists($this->ph_path)){ mkdir($this->ph_path); } } //判断上传文件是否超过允许大小 function check_size(){ if($this->ph_size>$this->al_ph_size){ $this->showerror("上传图片超过2000KB"); } } //判断文件类型 function check_type(){ if(!in_array($this->ph_type,$this->al_ph_type)){ $this->showerror("上传图片类型错误"); } } //上传图片 function up_photo(){ if(!move_uploaded_file($this->ph_tmp_name,$this->ph_name)){ $this->showerror("上传文件出错"); } } //图片预览 function showphoto(){ if($this->preview==1){ if($this->imgsize[0]>2000){ $this->imgsize[0]=$this->imgsize[0]*$this->previewsize; $this->imgsize[1]=$this->imgsize[1]*$this->previewsize; } echo("
