js操控video

web/templates/video/play.html.tmpl

@@ -6,7 +6,9 @@
         <div class="tip-box">
             <div class="tip-icon">
                 <svg focusable="false" aria-hidden="true" viewBox="0 0 24 24" data-testid="InfoOutlinedIcon">
-                    <path d="M11,9H13V7H11M12,20C7.59,20 4,16.41 4,12C4,7.59 7.59,4 12,4C16.41,4 20,7.59 20, 12C20,16.41 16.41,20 12,20M12,2A10,10 0 0,0 2,12A10,10 0 0,0 12,22A10,10 0 0,0 22,12A10, 10 0 0,0 12,2M11,17H13V11H11V17Z"></path>
+                    <path
+                        d="M11,9H13V7H11M12,20C7.59,20 4,16.41 4,12C4,7.59 7.59,4 12,4C16.41,4 20,7.59 20, 12C20,16.41 16.41,20 12,20M12,2A10,10 0 0,0 2,12A10,10 0 0,0 12,22A10,10 0 0,0 22,12A10, 10 0 0,0 12,2M11,17H13V11H11V17Z">
+                    </path>
                 </svg>
             </div>
             <div class="tip-info">
@@ -19,20 +21,49 @@
 <script src="/statics/js/hls.min.js"></script>
 <script>
     var video = document.getElementById('video');
-    if(Hls.isSupported()) {
+    if (Hls.isSupported()) {
         console.log("supported");
         var hls = new Hls();
         hls.loadSource('{{.Url}}');
         hls.attachMedia(video);
-        hls.on(Hls.Events.MANIFEST_PARSED,function() {
+        hls.on(Hls.Events.MANIFEST_PARSED, function () {
             //video.play();
         });
     } else if (video.canPlayType('application/vnd.apple.mpegurl')) {
         console.log("no supported");
         video.src = '{{.Url}}';
-        video.addEventListener('loadedmetadata',function() {
+        video.addEventListener('loadedmetadata', function () {
             //video.play();
         });
     }
+    // reurn false 禁止函数内部执行其他的事件或者方法
+    var vol = 0.1;  // 1代表100%音量，每次增减0.1
+    var time = 10; // 单位秒，每次增减10秒
+    document.onkeyup = function (event) {//键盘事件
+        // console.log("keyCode:" + event.keyCode);
+        var e = event || window.event || arguments.callee.caller.arguments[0];
+        // 鼠标上下键控制视频音量
+        if (e && e.keyCode === 38) {
+            // 按 向上键
+            video.volume !== 1 ? video.volume += vol : 1;
+            return false;
+        } else if (e && e.keyCode === 40) {
+            // 按 向下键
+            video.volume !== 0 ? video.volume -= vol : 1;
+            return false;
+        } else if (e && e.keyCode === 37) {
+            // 按 向左键
+            video.currentTime !== 0 ? video.currentTime -= time : 1;
+            return false;
+        } else if (e && e.keyCode === 39) {
+            // 按 向右键
+            video.volume !== video.duration ? video.currentTime += time : 1;
+            return false;
+        } else if (e && e.keyCode === 32) {
+            // 按空格键 判断当前是否暂停
+            video.paused === true ? video.play() : video.pause();
+            return false;
+        }
+    }
 </script>
 {{template "footer" .}}