Home php教程 php手册 图片上传类

图片上传类

Jun 13, 2016 am 09:53 AM
class public upload picture method kind solve




图片上传类
解决方法
class upphoto{
public $previewsize=0.125 ; //预览图片比例
public $preview=1; //是否生成预览,是为1,否为0
public $datetime; //随机数
public $ph_name; //上传图片文件名
public $ph_tmp_name; //图片临时文件名
public $ph_path="uploadimg/"; //上传文件存放路径
public $ph_type; //图片类型
public $ph_size; //图片大小
public $imgsize; //上传图片尺寸,用于判断显示比例
public $al_ph_type=array('image/jpg','image/jpeg','image/png','image/pjpeg','image/gif','image/bmp','image/xpng'); //允许上传图片类型
public $al_ph_size=1000000; //允许上传文件大小
function __construct(){
$this>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.$this>datetime.$phname;
}
//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]*$this>previewsize;
}
echo("ph_name}" width="http://www.bKjia.c0m/phper/31/{$this>imgsize['0']}" height="http://www.bKjia.c0m/phper/31/{$this>imgsize['1']}">");
}
}
//错误提示
function showerror($errorstr){
echo "";
exit();
}
function save(){
$this>check_path();
$this>check_size();
$this>check_type();
$this>up_photo();
$this>showphoto();
}
}

本人PHP菜鸟一只,自己写的第一个类,不足之处,欢迎大家批评指正,非常感谢!


D8888D回贴内容
test.php文件
//类的实例化:
include("upoop.php");//类的文件名是upoop.php
$up=new upphoto;
$up>get_ph_tmpname($_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:


图片来源:


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