修改预览展示

src/components/mt-preview-zl/index.vue

@@ -1,6 +1,6 @@
 <template>
     <div
-        style="overflow: hidden;  height: 100vh"
+        style="overflow: hidden; height: 100vh"
         v-loading="useData.loading"
         element-loading-background="#343849c7"
         :style="{ backgroundColor: useData.display ? '' : canvas_cfg.color }"
@@ -184,8 +184,6 @@ const canvasStyle = computed(() => ({
     marginLeft: (document.documentElement.clientWidth - canvas_cfg.value.width * canvas_cfg.value.scale) / 2 + 'px'
 }))
 
-
-
 // 鼠标按下事件 - 开始拖拽
 const onMouseDown = (e: MouseEvent) => {
     if (mtPreviewProps.canDrag && e.button === 0) {
@@ -568,8 +566,8 @@ const setImportJson = (exportJson: IExportJson) => {
         grid_cfg.value = gridCfg
         done_json.value = importDoneJson
 
-        // 为图元添加点击事件
-        addClickEventsToElements()
+        // // 为图元添加点击事件
+        // addClickEventsToElements()
 
         // 首页初始化的时候
         nextTick(() => {
@@ -1028,7 +1026,10 @@ const setMqtt = async () => {
                 done_json.value.forEach(item => {
                     msg.forEach((msgValue: any) => {
                         if (item.id == msgValue.id) {
-                            item.props.text.val = item.props.text.val.replace(/#{3}/g, msgValue.value) //'B相负载电流-CP95:31'
+                            item.props.text.val = item.props.text.val.replace(
+                                /#{3}/g,
+                                msgValue.value == 3.1415926 ? '暂无数据' : msgValue.value
+                            ) //'B相负载电流-CP95:31'
                         }
                     })
                     list.value.forEach((listValue: any) => {