路由配置}, {    path: '/submit',    component: resolve => {        require(['./pages/sb.vue'], resolve);    },    meta: {keepAlive: true}}, {app.vue配置<!-- 這里是需要keepalive的 --><keep-alive>    <router-view v-if="$route.meta.keepAlive"></router-view></keep-alive><!-- 這里不會(huì)被keepalive --><router-view v-if="!$route.meta.keepAlive"></router-view>點(diǎn)擊A頁(yè)面的元素跳轉(zhuǎn)到B頁(yè)面，從B頁(yè)面返回的時(shí)候可以保留A頁(yè)面的歷史記錄和緩存。(上面配置可以實(shí)現(xiàn))但是，當(dāng)從C頁(yè)面點(diǎn)擊進(jìn)入A頁(yè)面的時(shí)候不希望保留A頁(yè)面的緩存和記錄。請(qǐng)問(wèn)如何動(dòng)態(tài)的控制該頁(yè)面的狀態(tài)呢？