添加截图配置项

src/controls/index.js

@@ -59,7 +59,7 @@ export default class Controls {
     }));
 
     this.add(new Screenshot({
-      disable: false,
+      disable: !this.art.option.screenshot,
       position: 'right',
       index: 20
     }));

src/index.js

@@ -53,6 +53,7 @@ class Artplayer extends Emitter {
         height: 90,
         column: 10
       },
+      screenshot: true,
       autoplay: false,
       loop: false,
       type: '',

src/verification/scheme.js

@@ -55,6 +55,9 @@ export default {
       }
     }
   },
+  screenshot: {
+    type: 'boolean'
+  },
   autoplay: {
     type: 'boolean'
   },