修正生命周期钩子，将beforeDestroy更改为beforeUnmount (#738) (#742)

优化将beforeDestroy更改为beforeUnmount

web/src/view/dashboard/dashbordCharts/echartsLine.vue

@@ -51,7 +51,7 @@ export default {
       this.initChart()
     })
   },
-  beforeDestroy() {
+  beforeUnmount() {
     if (!this.chart) {
       return
     }

web/src/view/layout/aside/historyComponent/history.vue

@@ -120,7 +120,7 @@ export default {
     }
     this.setTab(this.$route)
   },
-  beforeDestroy() {
+  beforeUnmount() {
     emitter.off('collapse')
     emitter.off('mobile')
   },

web/src/view/layout/aside/index.vue

@@ -58,7 +58,7 @@ export default {
       this.isCollapse = item
     })
   },
-  beforeDestroy() {
+  beforeUnmount() {
     emitter.off('collapse')
   },
   methods: {

web/src/view/layout/screenfull/index.vue

@@ -90,7 +90,7 @@ export default {
       screenfull.on('change', this.changeFullShow)
     }
   },
-  destroyed() {
+  unmounted() {
     screenfull.off('change', this.changeFullShow)
   },
   methods: {

web/src/view/system/state.vue

@@ -159,7 +159,7 @@ export default {
       this.reload()
     }, 1000 * 10)
   },
-  beforeDestroy() {
+  beforeUnmount() {
     clearInterval(this.timer)
     this.timer = null
   },