update 允许鼠标滚轮键关闭窗口

Web/src/views/main/_layout/content.vue

@@ -9,7 +9,7 @@
           v-for="pane in panes"
         >
           <a-dropdown :trigger="['contextmenu']" slot="tab">
-            <div>
+            <div @click.middle="() => pane.closable && $emit('close', pane.key)">
               <a-icon :type="pane.icon" v-if="pane.icon" />
               {{ pane.title }}
             </div>
@@ -23,7 +23,11 @@
               </template>
               <a-menu-item @click="onLoadContentWindow(pane.key)" key="0">重新加载</a-menu-item>
               <a-menu-divider />
-              <a-menu-item :disabled="!pane.closable" @click="$emit('close', pane.key);" key="1">关闭</a-menu-item>
+              <a-menu-item
+                :disabled="!pane.closable"
+                @click="() => pane.closable && $emit('close', pane.key)"
+                key="1"
+              >关闭</a-menu-item>
               <a-menu-item
                 :disabled="!hasOther(pane)"
                 @click="$emit('close-other', pane.key)"