资料修改优化，添加帖子分类

app/Http/Controllers/UsersController.php

@@ -4,6 +4,7 @@ namespace App\Http\Controllers;
 
 use App\Http\Requests\UserUpdate;
 use App\Models\User;
+use Intervention\Image\Facades\Image;
 
 class UsersController extends Controller
 {
@@ -14,14 +15,29 @@ class UsersController extends Controller
 
     public function edit(User $user)
     {
+        $this->authorize('update', $user);
         return view('users.edit', compact('user'));
     }
 
     public function update(User $user, UserUpdate $request)
     {
+        $this->authorize('update', $user);
         $attribute = $request->only(['name', 'email', 'introduction']);
-        if ($request->file('avatar')) {
-            $user->avatar = $request->file('avatar')->store('public/avatar');
+        if ($image = $request->file('avatar')) {
+            $user->avatar = $image->store('public/avatar');
+            $file = Image::make(storage_path('app/' . $user->avatar));
+            $file->resize(1280, null, function ($constraint) {
+
+                // 设定宽度是 $max_width，高度等比例双方缩放
+                $constraint->aspectRatio();
+
+                // 防止裁图时图片尺寸变大
+                $constraint->upsize();
+            });
+
+            // 对图片修改后进行保存
+            $file->save();
+
         }
         $user->update($attribute);
         return redirect()->route('users.show', [$user])->with('success', '更新成功！');

app/Http/Requests/UserUpdate.php

@@ -31,7 +31,7 @@ class UserUpdate extends FormRequest
             ],
             'email' => ['required', 'unique:users,email,' . Auth::id()],
             'introduction' => 'nullable|max:255',
-            'avatar' => 'image|nullable',
+            'avatar' => 'image|nullable|dimensions:min_width=200,min_height=200',
         ];
     }
 
@@ -40,6 +40,7 @@ class UserUpdate extends FormRequest
     {
         return [
             'introduction' => '简介',
+            'avatar' => '头像'
         ];
     }
 }

app/Models/BaseModel.php

@@ -0,0 +1,17 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: xing
+ * Date: 2017/12/31
+ * Time: 12:44
+ */
+
+namespace App\Models;
+
+
+use Illuminate\Database\Eloquent\Model;
+
+class BaseModel extends Model
+{
+
+}

app/Models/Category.php

@@ -0,0 +1,8 @@
+<?php
+
+namespace App\Models;
+
+class Category extends BaseModel
+{
+    protected $guarded = ['id'];
+}

app/Policies/UserPolicy.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace App\Policies;
+
+use App\Models\User;
+use Illuminate\Auth\Access\HandlesAuthorization;
+
+class UserPolicy
+{
+    use HandlesAuthorization;
+
+    /**
+     * Create a new policy instance.
+     *
+     * @return void
+     */
+    public function __construct()
+    {
+        //
+    }
+
+    public function update(User $currentUser, User $user)
+    {
+        return $currentUser->id === $user->id;
+    }
+
+}

app/Providers/AuthServiceProvider.php

@@ -2,6 +2,8 @@
 
 namespace App\Providers;
 
+use App\Models\User;
+use App\Policies\UserPolicy;
 use Illuminate\Foundation\Support\Providers\AuthServiceProvider as ServiceProvider;
 
 class AuthServiceProvider extends ServiceProvider
@@ -13,6 +15,7 @@ class AuthServiceProvider extends ServiceProvider
      */
     protected $policies = [
         'App\Model' => 'App\Policies\ModelPolicy',
+        User::class => UserPolicy::class,
     ];
 
     /**

app/Tools/ImageUploadTool.php

@@ -10,6 +10,7 @@ namespace App\Tools;
 
 
 use Illuminate\Http\File;
+use Intervention\Image\Facades\Image;
 
 class ImageUploadTool
 {
@@ -21,9 +22,10 @@ class ImageUploadTool
      * @param $file File
      * @param $folder
      * @param $file_prefix
+     * @param bool $max_width
      * @return array|bool
      */
-    public function save($file, $folder, $file_prefix)
+    public function save($file, $folder, $file_prefix, $max_width = false)
     {
         // 构建存储的文件夹规则，值如：uploads/images/avatars/201709/21/
         // 文件夹切割能让查找效率更高。
@@ -48,8 +50,34 @@ class ImageUploadTool
         // 将图片移动到我们的目标存储路径中
         $file->move($upload_path, $filename);
 
+        // 如果限制了图片宽度，就进行裁剪
+        if ($max_width && $extension != 'gif') {
+
+            // 此类中封装的函数，用于裁剪图片
+            $this->reduceSize($upload_path . '/' . $filename, $max_width);
+        }
+
         return [
             'path' => config('app.url') . "/$folder_name/$filename"
         ];
     }
+
+    public function reduceSize($file_path, $max_width)
+    {
+        // 先实例化，传参是文件的磁盘物理路径
+        $image = Image::make($file_path);
+
+        // 进行大小调整的操作
+        $image->resize($max_width, null, function ($constraint) {
+
+            // 设定宽度是 $max_width，高度等比例双方缩放
+            $constraint->aspectRatio();
+
+            // 防止裁图时图片尺寸变大
+            $constraint->upsize();
+        });
+
+        // 对图片修改后进行保存
+        $image->save();
+    }
 }

database/migrations/2017_12_31_124132_create_categories_table.php

@@ -0,0 +1,34 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class CreateCategoriesTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('categories', function (Blueprint $table) {
+            $table->increments('id');
+            $table->string('name')->index()->comment('名称');
+            $table->text('description')->nullable()->comment('描述');
+            $table->integer('post_count')->default(0)->comment('帖子数');
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::dropIfExists('categories');
+    }
+}

database/migrations/2017_12_31_124634_seed_categories_data.php

@@ -0,0 +1,44 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+
+class SeedCategoriesData extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        $categories = [
+            [
+                'name' => '分享',
+                'description' => '分享创造，分享发现',
+            ],
+            [
+                'name' => '教程',
+                'description' => '开发技巧、推荐扩展包等',
+            ],
+            [
+                'name' => '问答',
+                'description' => '请保持友善，互帮互助',
+            ],
+            [
+                'name' => '公告',
+                'description' => '站点公告',
+            ],
+        ];
+        \Illuminate\Support\Facades\DB::table('categories')->insert($categories);
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        \Illuminate\Support\Facades\DB::table('categories')->truncate();
+    }
+}

resources/views/layouts/_header.blade.php

@@ -34,7 +34,7 @@
                         <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-expanded="false">
                             <span class="user-avatar pull-left" style="margin-right:8px; margin-top:-5px;">
                                 <img src="{{Auth::user()->header}}"
-                                     class="img-responsive img-circle" width="30px" height="30px">
+                                     class="img-responsive img-circle" style=" max-height:30px">
                             </span>
                             {{ Auth::user()->name }} <span class="caret"></span>
                         </a>

routes/web.php

@@ -15,7 +15,8 @@ use Illuminate\Support\Facades\Route;
 
 Route::get('/', 'PagesController@root')->name('home');
 
-Route::resource('users', 'UsersController', ['only' => ['update', 'show', 'edit']]);
+Route::resource('users', 'UsersController', ['only' => ['update', 'show', 'edit']])
+    ->middleware('auth');
 
 // Authentication Routes...
 Route::get('login', 'Auth\LoginController@showLoginForm')->name('login');