thinkphp实现图片上传功能

*/
public function addChk(){
//导入图片上传类
import("ORG.Net.UploadFile");
//实例化上传类
$upload = new UploadFile();
$upload->maxSize = 3145728;
//设置文件上传类型
$upload->allowExts = array('jpg','gif','png','jpeg');
//设置文件上传位置
$upload->savePath = "./Public/Uploads/";//这里说明一下，由于ThinkPHP是有入口文件的，所以这里的./Public是指网站根目录下的Public文件夹
//设置文件上传名(按照时间)
$upload->saveRule = "time";
if (!$upload->upload()){
$this->error($upload->getErrorMsg());
}else{
//上传成功，获取上传信息
$info = $upload->getUploadFileInfo();
}

//保存表单数据，包括上传的图片
$game = M("Game");
$game->create();
$savename = $info[0]['savename'];
//$savepath = $info[0]['savepath'];
//$aa = $savepath.$savename;
//dump($aa);
$imgurl = "http://demo.dutycode.com/Public/Uploads/".$savename;//这里是设置文件的url注意使用.不是+
//dump($imgurl);
$data['gamename'] = $_POST['gamename'];
$data['gameimg'] = $imgurl;
$data['gameinfo'] = $_POST['gameinfo'];
$data['gamelink'] = $_POST['gamelink'];
$data['publishtime'] = date("Y-m-d H:i:s");
$res = $game->add($data);//写入数据库
if ($res){
$this->redirect("addGame","",2,"添加成功！两秒后跳回");
}else{
$this->redirect("addGame","失败！两秒后跳回");
}
}