private function _uploadImage($field_name)
{
$upload = $this->getLibrary('upload');
$folder = server_upload_path();
$upload_path = server_upload_abs_path($folder);
//添加文件夹
if (!file_exists($upload_path)) {
mkdir($upload_path, DIR_WRITE_MODE, true);
}
//$allowed_types = '*';
//$config['max_size'] = '2048';
$file_name = time() . rand(1000, 9999);
// $this->upload->initialize($config);
$upload = $upload->upload($field_name, $file_name, $upload_path, array('allowFileType' => '*'));
if (is_int($upload)) {
$this->controller->json_return(array('msg' => '', 'state' => 'FAILURE', 'imageid' => 0));
}
$abs_path = file_abs_path($folder, $upload['newName']);
$hash = md5(file_get_contents($abs_path));
$relative_path = $folder . $upload['newName'];
$sizeAry = getimagesize($abs_path);
list($width, $height, $type) = $sizeAry;
$imageModel = InitPHP::getMysqlDao('image');
//判断图片是否存在
$exists = $imageModel->checkHash($hash);
if (!empty($exists)) {
//如果存在
$this->controller->json_return(array('url' => upload_url($exists['path']), 'state' => 'SUCCESS', 'imageid' => $exists['id']));
}
$image = array('path' => $relative_path, 'size' => $upload['size'], 'width' => $width, 'height' => $height, 'type' => $type, 'hash' => $hash, 'create_time' => time());
$image_id = $imageModel->insert($image);
$this->controller->json_return(array('url' => upload_url($relative_path), 'state' => 'SUCCESS', 'imageid' => $image_id));
}
/**
* 文件绝对路径
*/
function file_abs_path($folder, $name)
{
return sprintf('%s%s', server_upload_abs_path($folder), $name);
}