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- <?php
-
- namespace app\admin\controller;
-
- use app\common\controller\Backend;
- use fast\Random;
- use think\addons\Service;
- use think\Cache;
- use think\Config;
- use think\Db;
- use think\Lang;
- use think\Validate;
-
- /**
- * Ajax异步请求接口
- * @internal
- */
- class Ajax extends Backend
- {
-
- protected $noNeedLogin = ['lang'];
- protected $noNeedRight = ['*'];
- protected $layout = '';
-
- public function _initialize()
- {
- parent::_initialize();
-
- //设置过滤方法
- $this->request->filter(['strip_tags', 'htmlspecialchars']);
- }
-
- /**
- * 加载语言包
- */
- public function lang()
- {
- header('Content-Type: application/javascript');
- header("Cache-Control: public");
- header("Pragma: cache");
-
- $offset = 30 * 60 * 60 * 24; // 缓存一个月
- header("Expires: " . gmdate("D, d M Y H:i:s", time() + $offset) . " GMT");
-
- $controllername = input("controllername");
- //默认只加载了控制器对应的语言名,你还根据控制器名来加载额外的语言包
- $this->loadlang($controllername);
- return jsonp(Lang::get(), 200, [], ['json_encode_param' => JSON_FORCE_OBJECT | JSON_UNESCAPED_UNICODE]);
- }
-
- /**
- * 上传文件
- */
- public function upload()
- {
- Config::set('default_return_type', 'json');
- $file = $this->request->file('file');
- if (empty($file)) {
- $this->error(__('No file upload or server upload limit exceeded'));
- }
-
- //判断是否已经存在附件
- $sha1 = $file->hash();
- $extparam = $this->request->post();
-
- $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 = $suffix && preg_match("/^[a-zA-Z0-9]+$/", $suffix) ? $suffix : 'file';
-
- $mimetypeArr = explode(',', strtolower($upload['mimetype']));
- $typeArr = explode('/', $fileInfo['type']);
-
- //禁止上传PHP和HTML文件
- if (in_array($fileInfo['type'], ['text/x-php', 'text/html']) || in_array($suffix, ['php', 'html', 'htm'])) {
- $this->error(__('Uploaded file format is limited'));
- }
- //验证文件后缀
- if ($upload['mimetype'] !== '*' &&
- (
- !in_array($suffix, $mimetypeArr)
- || (stripos($typeArr[0] . '/', $upload['mimetype']) !== false && (!in_array($fileInfo['type'], $mimetypeArr) && !in_array($typeArr[0] . '/*', $mimetypeArr)))
- )
- ) {
- $this->error(__('Uploaded file format is limited'));
- }
- //验证是否为图片文件
- $imagewidth = $imageheight = 0;
- if (in_array($fileInfo['type'], ['image/gif', 'image/jpg', 'image/jpeg', 'image/bmp', 'image/png', 'image/webp']) || in_array($suffix, ['gif', 'jpg', 'jpeg', 'bmp', 'png', 'webp'])) {
- $imgInfo = getimagesize($fileInfo['tmp_name']);
- if (!$imgInfo || !isset($imgInfo[0]) || !isset($imgInfo[1])) {
- $this->error(__('Uploaded file is not a valid image'));
- }
- $imagewidth = isset($imgInfo[0]) ? $imgInfo[0] : $imagewidth;
- $imageheight = isset($imgInfo[1]) ? $imgInfo[1] : $imageheight;
- }
- $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) {
- $params = array(
- 'admin_id' => (int)$this->auth->id,
- 'user_id' => 0,
- 'filesize' => $fileInfo['size'],
- 'imagewidth' => $imagewidth,
- 'imageheight' => $imageheight,
- 'imagetype' => $suffix,
- 'imageframes' => 0,
- 'mimetype' => $fileInfo['type'],
- 'url' => $uploadDir . $splInfo->getSaveName(),
- 'uploadtime' => time(),
- 'storage' => 'local',
- 'sha1' => $sha1,
- 'extparam' => json_encode($extparam),
- );
- $attachment = model("attachment");
- $attachment->data(array_filter($params));
- $attachment->save();
- \think\Hook::listen("upload_after", $attachment);
- $this->success(__('Upload successful'), null, [
- 'url' => $uploadDir . $splInfo->getSaveName()
- ]);
- } else {
- // 上传失败获取错误信息
- $this->error($file->getError());
- }
- }
-
- /**
- * 通用排序
- */
- public function weigh()
- {
- //排序的数组
- $ids = $this->request->post("ids");
- //拖动的记录ID
- $changeid = $this->request->post("changeid");
- //操作字段
- $field = $this->request->post("field");
- //操作的数据表
- $table = $this->request->post("table");
- if (!Validate::is($table, "alphaDash")) {
- $this->error();
- }
- //主键
- $pk = $this->request->post("pk");
- //排序的方式
- $orderway = strtolower($this->request->post("orderway", ""));
- $orderway = $orderway == 'asc' ? 'ASC' : 'DESC';
- $sour = $weighdata = [];
- $ids = explode(',', $ids);
- $prikey = $pk ? $pk : (Db::name($table)->getPk() ?: 'id');
- $pid = $this->request->post("pid");
- //限制更新的字段
- $field = in_array($field, ['weigh']) ? $field : 'weigh';
-
- // 如果设定了pid的值,此时只匹配满足条件的ID,其它忽略
- if ($pid !== '') {
- $hasids = [];
- $list = Db::name($table)->where($prikey, 'in', $ids)->where('pid', 'in', $pid)->field("{$prikey},pid")->select();
- foreach ($list as $k => $v) {
- $hasids[] = $v[$prikey];
- }
- $ids = array_values(array_intersect($ids, $hasids));
- }
-
- $list = Db::name($table)->field("$prikey,$field")->where($prikey, 'in', $ids)->order($field, $orderway)->select();
- foreach ($list as $k => $v) {
- $sour[] = $v[$prikey];
- $weighdata[$v[$prikey]] = $v[$field];
- }
- $position = array_search($changeid, $ids);
- $desc_id = $sour[$position]; //移动到目标的ID值,取出所处改变前位置的值
- $sour_id = $changeid;
- $weighids = array();
- $temp = array_values(array_diff_assoc($ids, $sour));
- foreach ($temp as $m => $n) {
- if ($n == $sour_id) {
- $offset = $desc_id;
- } else {
- if ($sour_id == $temp[0]) {
- $offset = isset($temp[$m + 1]) ? $temp[$m + 1] : $sour_id;
- } else {
- $offset = isset($temp[$m - 1]) ? $temp[$m - 1] : $sour_id;
- }
- }
- $weighids[$n] = $weighdata[$offset];
- Db::name($table)->where($prikey, $n)->update([$field => $weighdata[$offset]]);
- }
- $this->success();
- }
-
- /**
- * 清空系统缓存
- */
- public function wipecache()
- {
- $type = $this->request->request("type");
- switch ($type) {
- case 'all':
- case 'content':
- rmdirs(CACHE_PATH, false);
- Cache::clear();
- if ($type == 'content') {
- break;
- }
- case 'template':
- rmdirs(TEMP_PATH, false);
- if ($type == 'template') {
- break;
- }
- case 'addons':
- Service::refresh();
- if ($type == 'addons') {
- break;
- }
- }
-
- \think\Hook::listen("wipecache_after");
- $this->success();
- }
-
- /**
- * 读取分类数据,联动列表
- */
- public function category()
- {
- $type = $this->request->get('type');
- $pid = $this->request->get('pid');
- $where = ['status' => 'normal'];
- $categorylist = null;
- if ($pid !== '') {
- if ($type) {
- $where['type'] = $type;
- }
- if ($pid) {
- $where['pid'] = $pid;
- }
-
- $categorylist = Db::name('category')->where($where)->field('id as value,name')->order('weigh desc,id desc')->select();
- }
- $this->success('', null, $categorylist);
- }
-
- /**
- * 读取省市区数据,联动列表
- */
- public function area()
- {
- $params = $this->request->get("row/a");
- if (!empty($params)) {
- $province = isset($params['province']) ? $params['province'] : '';
- $city = isset($params['city']) ? $params['city'] : null;
- } else {
- $province = $this->request->get('province');
- $city = $this->request->get('city');
- }
- $where = ['pid' => 0, 'level' => 1];
- $provincelist = null;
- if ($province !== '') {
- if ($province) {
- $where['pid'] = $province;
- $where['level'] = 2;
- }
- if ($city !== '') {
- if ($city) {
- $where['pid'] = $city;
- $where['level'] = 3;
- }
- $provincelist = Db::name('area')->where($where)->field('id as value,name')->select();
- }
- }
- $this->success('', null, $provincelist);
- }
-
- /**
- * 生成后缀图标
- */
- public function icon()
- {
- $suffix = $this->request->request("suffix");
- header('Content-type: image/svg+xml');
- $suffix = $suffix ? $suffix : "FILE";
- echo build_suffix_image($suffix);
- exit;
- }
-
- }
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