create

app/Http/Controllers/ProgressImgController.php

@@ -0,0 +1,92 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\Cache;
+use Illuminate\Support\Facades\Log;
+
+class ProgressImgController extends Controller
+{
+    /**
+     * Display a listing of the resource.
+     *
+     * @return \Illuminate\Http\Response
+     */
+    public function index()
+    {
+        //
+    }
+
+    /**
+     * Store a newly created resource in storage.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     * @return \Illuminate\Http\Response
+     */
+    public function store(Request $request)
+    {
+        //
+    }
+
+    /**
+     * Display the specified resource.
+     *
+     * @param  string  $id
+     * @return \Illuminate\Http\Response
+     */
+    public function show($id)
+    {
+        //
+        return response()->stream(function () use ($id) {
+            $key = str_replace('-','/',$id);
+            $svg = Cache::get('svg/'.$key, function () use ($key) {
+                $viewHeight = 60;
+                $svg = "<svg xmlns='http://www.w3.org/2000/svg'  fill='currentColor' viewBox='0 0 300 60'>";
+                $data = Cache::get($key);
+                if(is_array($data)){
+                    $point = [];
+                    foreach ($data as $key => $value) {
+                        $point[] = ($key*10) . ',' . $viewHeight-($value/20)-3;
+                    }
+                    $svg .= '<polyline points="'. implode(' ',$point) . '"';
+                    $svg .= ' style="fill:none;stroke:green;stroke-width:3" /></svg>';
+                }else{
+                    $svg .= '<polyline points="0,0 1,0" /></svg>';
+                }
+                return $svg;
+            } , 0.1*24 );
+            echo $svg;
+            Log::info('svg'.$svg);
+        }, 200, ['Content-Type' => 'image/svg+xml']);
+    /*
+    ————————————————
+    原文作者：Summer
+    转自链接：https://learnku.com/laravel/wikis/25600
+    版权声明：著作权归作者所有。商业转载请联系作者获得授权，非商业转载请保留以上作者信息和原文链接。
+    */
+    }
+
+    /**
+     * Update the specified resource in storage.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     * @param  int  $id
+     * @return \Illuminate\Http\Response
+     */
+    public function update(Request $request, $id)
+    {
+        //
+    }
+
+    /**
+     * Remove the specified resource from storage.
+     *
+     * @param  int  $id
+     * @return \Illuminate\Http\Response
+     */
+    public function destroy($id)
+    {
+        //
+    }
+}