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up. 图片的预览和下载，先行版

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扶桑花间 2025-08-27 21:06:06 +08:00
parent f2c336f043
commit fa3bfda53b
3 changed files with 58 additions and 4 deletions
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6
app/model/SysFileRecord.php
View File

@ -46,7 +46,11 @@ class SysFileRecord extends BaseModel
public function getPreviewUrlAttr($previewUrl, $data)
{
return filesystem()->getFileUrl($data['rule_id'], $data['path'].'/'.$data['name']);
if(!in_array($data['extension'],['jpg','jpeg','png','gif','txt'])){
// 仅部分文件支持 preview
return '';
}
return filesystem()->getFileUrl($data['rule_id'], $data['id'], $data['path'].'/'.$data['name']);
}
public function getDownloadUrlAttr($downloadUrl, $data)

15
app/service/file/FilesystemService.php
View File

@ -31,7 +31,7 @@ class FilesystemService
public function getDownloadUrl($fileId)
{
return $this->getFilesystemApiUrl()."/i/down/".hashids(4)->encode($fileId)."?token=".md5(uniqid());
return $this->getFilesystemApiUrl()."/i/down/".hashids(12)->encode($fileId)."?token=".md5(uniqid());
}
public function getFilesystemApiUrl()
{
@ -43,12 +43,21 @@ class FilesystemService
}
return $filesystem_apiUrl;
}
public function getFileUrl($rule_id, $file_path)
public function getFileUrl($rule_id, $fileId, $file_path, $zlink = false)
{
$rule = SysFileRule::find($rule_id);
if ($rule) {
$putUrl = $rule->url ? $rule->url : $this->getFilesystemApiUrl();
return $putUrl.$file_path;
if($zlink){
return $putUrl.$file_path;
}
// 是否需要安全访问
if ($rule->permissions) {
$uploadPath = "i/" . hashids(12)->encode($fileId);
return $putUrl . '/' . ltrim($uploadPath, '/');
}else{
return $putUrl.$file_path;
}
}
return "";
}

41
route/api.php
View File

@ -23,6 +23,47 @@ use app\http\middleware\AuthMiddleware;
use think\facade\Route;
use think\middleware\AllowCrossDomain;
Route::get("/i/down/:fileId", function (){
// return json(['message'=>'暂不支持下载']);
$fileId = \request()->route('fileId');
$fileExt = hashids(12)->decode($fileId)[0] ?? '';
$data = \app\entity\SysFileRecord::find($fileExt);
$fileUrl = filesystem()->getFileUrl($data['rule_id'], $data['id'], $data['path'].'/'.$data['name'], true);
if(empty($fileUrl)){
return json(['message'=>'文件不存在']);
}
$mime = "image/jpeg";
header('Content-Type: ' . $mime);
header('Content-Disposition: attachment; filename="b7b9f5caae81dc32ba2a062e00247270.jpg"');
header('Content-Length: 928318');
echo file_get_contents($fileUrl);
exit;
});
Route::get("/i/:fileId", function (){
$fileId = \request()->route('fileId');
$fileExt = hashids(12)->decode($fileId)[0] ?? '';
$data = \app\entity\SysFileRecord::find($fileExt);
$fileUrl = filesystem()->getFileUrl($data['rule_id'], $data['id'], $data['path'].'/'.$data['name'], true);
if(empty($fileUrl)){
return json(['message'=>'文件不存在']);
}
$mime = "image/jpeg";
header('Content-Type: ' . $mime);
// header('Content-Disposition: attachment; filename="b7b9f5caae81dc32ba2a062e00247270.jpg"');
// header('Content-Length: 928318');
echo file_get_contents($fileUrl);
exit;
// $fileCo = file_get_contents($fileUrl);
// $base64Image = base64_encode($fileCo);
// echo '<img src="data:image/jpeg;base64,' . $base64Image . '" alt="My Image">';
// exit;
});
Route::group("adminapi", function () {
/*
* 用户