thinkphp实现图片上传功能分享

CREATE TABLE IF NOT EXISTS `tp_image` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`image` varchar(200) NOT NULL,
`create_time` int(11) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8;

return array(
'URL_MODEL' => 2,// 如果你的环境不支持PATHINFO 请设置为3
'DB_TYPE' => 'mysql',
'DB_HOST' => 'localhost',
'DB_NAME' => 'thinkphp',
'DB_USER' => 'root',
'DB_PWD' => '',
'DB_PORT' => '3306',
'DB_PREFIX' => 'tp_', 'SHOW_PAGE_TRACE' =>true,//显示页面调试明细 'TMPL_PARSE_STRING' => array( // 地址替换,用_UPLOAD_目录 代替 根目录下的Upload目录
'__UPLOAD__' => __ROOT__.'/Uploads',
),
);
?>

class ImageAction extends Action{ /**
* 创建index 入口方法
*/
public function index(){
$image=M('Image');
$data=$image->order('create_time desc')->find(); //获取最后上传图片
$this->assign('data',$data);
$this->display();
}
?>

class ImageAction extends Action{ /**
* 创建index 入口方法
*/
public function index(){
$image=M('Image');
$data=$image->order('create_time desc')->find(); //获取最后上传图片 var_dump($data);
$this->assign('data',$data);
$this->display();
} //如果上传的文件不为空,跳转到_upload方法
public function upload(){
//如果不为空
if(!empty($_FILES))
{
$this->_upload();
} }

class ImageAction extends Action{ /**
* 创建index 入口方法
*/
public function index(){
$image=M('Image');
$data=$image->order('create_time desc')->find(); //获取最后上传图片 var_dump($data);
$this->assign('data',$data);
$this->display();
}
//如果上传的文件不为空,跳转到_upload方法
public function upload(){
//如果不为空
if(!empty($_FILES))
{
$this->_upload();
} }
/***
* 实现图片上传
*/
public function _upload(){
import('@.ORG.UploadFile');
//导入上传类
$upload = new UploadFile();
//设置上传文件大小
$upload->maxSize = 3292200;
//设置上传文件类型
$upload->allowExts = explode(',','jpg,gif,png,jpeg');
//设置附件上传目录
$upload->savePath = './Uploads/';
//设置需要生成缩略图，仅对图像文件有效
$upload->thumb = true;
// 设置引用图片类库包路径
$upload->imageClassPath = '@.ORG.Image';
//设置需要生成缩略图的文件后缀
$upload->thumbPrefix = 'm_,s_'; //生产2张缩略图
//设置缩略图最大宽度
$upload->thumbMaxWidth = '400,100';
//设置缩略图最大高度
$upload->thumbMaxHeight = '400,100';
//设置上传文件规则
$upload->saveRule = 'uniqid';
//删除原图
$upload->thumbRemoveOrigin = true;
//如果上传不成功
if (!$upload->upload())
{
//捕获上传异常
$this->error($upload->getErrorMsg());
}
else
{
//取得成功上传的文件信息
$uploadList = $upload->getUploadFileInfo();
//导入图片类
import('@.ORG.Image'); //给m_缩略图添加水印,Image::water('原文件路径','水印图片地址')
Image::water($uploadList[0]['savepath'] . 'm_' . $uploadList[0]['savename'],APP_PATH.'Tpl/Public/Images/logo.png'); //图片名赋值给 字段image
$_POST['image'] = $uploadList[0]['savename'];
}
$model = M('image');
//保存当前数据对象
$data['image'] = $_POST['image'];
$data['create_time'] = NOW_TIME;
$list = $model->add($data);
if ($list !== false)
{
$this->success('上传图片成功！');
}
else
{
$this->error('上传图片失败!');
}
}
}
?>