v0.4 uploads表多态化。 加入了upload_model配置，可更灵活的选择Eloquent类。

Author: zgldh

config/upload.php

@@ -7,13 +7,31 @@
  */
 
 return [
-    'base_storage_disk' => 'local', // 请在filesystems.php 的 disks 数组里挑一个
+    
+    /**
+    * 请在filesystems.php 的 disks 数组里挑一个
+    **/
+    'base_storage_disk' => 'local', 
+    
+    /**
+    * 对应的数据模型类
+    **/
+    'upload_model'      => App\Upload::class,
+    
+    /**
+    * 上传策略类
+    **/
     'upload_strategy'   => zgldh\UploadManager\UploadStrategy::class,
+    
+    /**
+    * validator group 用于 withValidator()函数 common是默认的。
+    **/
     'validator_groups'  => [
-        // validator group 用于 withValidator()函数 common是默认的。
         'common' => [
-            //validators
-            'min' => 0,  //kilobytes    请参考 http://laravel.com/docs/5.1/validation
+            /**
+            * 请参考 http://laravel.com/docs/5.1/validation
+            **/
+            'min' => 0,  //kilobytes    
             'max' => 4096,  //kilobytes
         ],
         'image'  => [

database/migrations/2015_11_18_132512_add_polymorphic_columns_to_uploads.php

@@ -0,0 +1,40 @@
+<?php
+
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class AddPolymorphicColumnsToUploads extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('uploads', function (Blueprint $table) {
+            $table->integer('uploadable_id')->nullable();
+            $table->string('uploadable_type')->nullable();
+
+            $table->index([
+                'uploadable_id',
+                'uploadable_type'
+            ],'uploadable_index');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('uploads', function (Blueprint $table) {
+            $table->dropColumn('uploadable_id');
+            $table->dropColumn('uploadable_type');
+
+            $table->dropIndex('uploadable_index');
+        });
+    }
+}

model/Upload.php

@@ -21,6 +21,11 @@ public function user()
     {
         return $this->belongsTo('App\User', 'user_id', 'id');
     }
+    
+    public function uploadable()
+    {
+        return $this->morphTo();
+    }
 
     public function getUrlAttribute()
     {

src/UploadManager.php

@@ -1,6 +1,5 @@
 <?php namespace zgldh\UploadManager;
 
-use App\Upload;
 use Illuminate\Support\Str;
 use Symfony\Component\HttpFoundation\File\UploadedFile;
 
@@ -116,6 +115,13 @@ private function coreUpload($upload, $uploadedFilePath, $file, $preCallback)
         return $upload;
     }
 
+    private function newUploadModel()
+    {
+        $modelClassName = config('upload.upload_model');
+        $model = app($modelClassName);
+        return $model;
+    }
+
     /**
      * 保存上传文件，生成上传对象
      * @param $file
@@ -128,7 +134,7 @@ public function upload($file, $preCallback = null)
             return $this->uploadByUrl($file, $preCallback);
         }
 
-        $upload = new Upload();
+        $upload = $this->newUploadModel();
         $upload->disk = \Config::get('upload.base_storage_disk');
 
         $uploadedFilePath = $file->getPathname();
@@ -145,7 +151,7 @@ public function upload($file, $preCallback = null)
      */
     public function uploadByUrl($url, $preCallback = null)
     {
-        $upload = new Upload();
+        $upload = $this->newUploadModel();
         $upload->disk = \Config::get('upload.base_storage_disk');
 
         $uploadedFilePath = $url;

src/UploadManagerServiceProvider.php

@@ -37,8 +37,9 @@ public function boot()
         ]);
 
 
-        if (class_exists('\App\Upload')) {
-            \App\Upload::deleted(
+        $modelClassName = config('upload.upload_model');
+        if (class_exists($modelClassName)) {
+            $modelClassName::deleted(
                 function ($upload) {
                     //
                     $upload->deleteFile();