Ajax.php
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<?php
namespace app\index\controller;
use app\common\controller\Frontend;
use fast\Random;
use think\Config;
use think\Lang;
/**
* Ajax异步请求接口
* @internal
*/
class Ajax extends Frontend
{
protected $noNeedLogin = ['lang'];
protected $noNeedRight = ['*'];
protected $layout = '';
/**
* 加载语言包
*/
public function lang()
{
header('Content-Type: application/javascript');
$callback = $this->request->get('callback');
$controllername = input("controllername");
$this->loadlang($controllername);
//强制输出JSON Object
$result = 'define(' . json_encode(Lang::get(), JSON_FORCE_OBJECT | JSON_UNESCAPED_UNICODE) . ');';
return $result;
}
/**
* 上传文件
*/
public function upload()
{
$this->code = -1;
$file = $this->request->file('file');
//判断是否已经存在附件
$sha1 = $file->hash();
$uploaded = model("attachment")->where('sha1', $sha1)->find();
if ($uploaded)
{
$this->code = 1;
$this->data = [
'url' => $uploaded['url']
];
return;
}
$upload = Config::get('upload');
preg_match('/(\d+)(\w+)/', $upload['maxsize'], $matches);
$type = strtolower($matches[2]);
$typeDict = ['b' => 0, 'k' => 1, 'kb' => 1, 'm' => 2, 'mb' => 2, 'gb' => 3, 'g' => 3];
$size = (int) $upload['maxsize'] * pow(1024, isset($typeDict[$type]) ? $typeDict[$type] : 0);
$fileInfo = $file->getInfo();
$suffix = strtolower(pathinfo($fileInfo['name'], PATHINFO_EXTENSION));
$suffix = $suffix ? $suffix : 'file';
$replaceArr = [
'{year}' => date("Y"),
'{mon}' => date("m"),
'{day}' => date("d"),
'{hour}' => date("H"),
'{min}' => date("i"),
'{sec}' => date("s"),
'{random}' => Random::alnum(16),
'{random32}' => Random::alnum(32),
'{filename}' => $suffix ? substr($fileInfo['name'], 0, strripos($fileInfo['name'], '.')) : $fileInfo['name'],
'{suffix}' => $suffix,
'{.suffix}' => $suffix ? '.' . $suffix : '',
'{filemd5}' => md5_file($fileInfo['tmp_name']),
];
$savekey = $upload['savekey'];
$savekey = str_replace(array_keys($replaceArr), array_values($replaceArr), $savekey);
$uploadDir = substr($savekey, 0, strripos($savekey, '/') + 1);
$fileName = substr($savekey, strripos($savekey, '/') + 1);
//
$splInfo = $file->validate(['size' => $size])->move(ROOT_PATH . '/public' . $uploadDir, $fileName);
if ($splInfo)
{
$imagewidth = $imageheight = 0;
if (in_array($suffix, ['gif', 'jpg', 'jpeg', 'bmp', 'png', 'swf']))
{
$imgInfo = getimagesize($splInfo->getPathname());
$imagewidth = isset($imgInfo[0]) ? $imgInfo[0] : $imagewidth;
$imageheight = isset($imgInfo[1]) ? $imgInfo[1] : $imageheight;
}
$params = array(
'filesize' => $fileInfo['size'],
'imagewidth' => $imagewidth,
'imageheight' => $imageheight,
'imagetype' => $suffix,
'imageframes' => 0,
'mimetype' => $fileInfo['type'],
'url' => $uploadDir . $splInfo->getSaveName(),
'uploadtime' => time(),
'sha1' => $sha1,
);
model("attachment")->create(array_filter($params));
$this->code = 1;
$this->data = [
'url' => $uploadDir . $splInfo->getSaveName()
];
}
else
{
// 上传失败获取错误信息
$this->data = $file->getError();
}
}
}