fix: 修复第三步骤两个设计器绘制完的流程无法回显及在其他步骤点击保存/发布按钮无法获取到第三步骤的流程图数据bug

src/views/bpm/model/editor/index.vue

@@ -39,9 +39,10 @@ const props = defineProps<{
   modelId?: string
   modelKey?: string
   modelName?: string
+  value?: string
 }>()
 
-const emit = defineEmits(['success'])
+const emit = defineEmits(['success', 'init-finished'])
 const message = useMessage() // 国际化
 
 // 表单信息
@@ -98,8 +99,35 @@ const initModeler = async (item) => {
     // 确保 modeler 的所有实例都已经准备好
     if (initBpmnInstances()) {
       isModelerReady.value = true
-      if (!props.modelId && props.modelKey && props.modelName) {
-        await updateModelData(props.modelKey, props.modelName)
+      emit('init-finished')
+
+      // 初始化完成后，设置初始值
+      if (props.modelId) {
+        // 编辑模式
+        const data = await ModelApi.getModel(props.modelId)
+        model.value = {
+          ...data,
+          bpmnXml: undefined // 清空 bpmnXml 属性
+        }
+        xmlString.value = data.bpmnXml || getDefaultBpmnXml(data.key, data.name)
+      } else if (props.modelKey && props.modelName) {
+        // 新建模式
+        xmlString.value = props.value || getDefaultBpmnXml(props.modelKey, props.modelName)
+        model.value = {
+          key: props.modelKey,
+          name: props.modelName
+        } as ModelApi.ModelVO
+      }
+
+      // 导入XML并刷新视图
+      await nextTick()
+      try {
+        await modeler.value.importXML(xmlString.value)
+        if (processDesigner.value?.refresh) {
+          processDesigner.value.refresh()
+        }
+      } catch (error) {
+        console.error('导入XML失败:', error)
       }
     } else {
       console.error('modeler 实例未完全初始化')
@@ -123,6 +151,7 @@ const getDefaultBpmnXml = (key: string, name: string) => {
 /** 添加/修改模型 */
 const save = async (bpmnXml: string) => {
   try {
+    xmlString.value = bpmnXml
     if (props.modelId) {
       // 编辑模式
       const data = {
@@ -141,58 +170,44 @@ const save = async (bpmnXml: string) => {
   }
 }
 
-/** 初始化 */
-onMounted(async () => {
-  try {
-    if (props.modelId) {
-      // 编辑模式
-      // 查询模型
-      const data = await ModelApi.getModel(props.modelId)
-      model.value = {
-        ...data,
-        bpmnXml: undefined // 清空 bpmnXml 属性
-      }
-      xmlString.value = data.bpmnXml || getDefaultBpmnXml(data.key, data.name)
-    } else if (props.modelKey && props.modelName) {
-      // 新建模式
-      xmlString.value = getDefaultBpmnXml(props.modelKey, props.modelName)
-      model.value = {
-        key: props.modelKey,
-        name: props.modelName
-      } as ModelApi.ModelVO
-    }
-  } catch (error) {
-    console.error('初始化失败:', error)
-    message.error('初始化失败')
-  }
-})
-
-/** 更新模型数据 */
-const updateModelData = async (key?: string, name?: string) => {
-  if (key && name) {
-    xmlString.value = getDefaultBpmnXml(key, name)
-    model.value = {
-      ...model.value,
-      key: key,
-      name: name
-    } as ModelApi.ModelVO
-    // 确保更新后重新渲染
-    await nextTick()
-    if (processDesigner.value?.refresh) {
-      processDesigner.value.refresh()
-    }
-  }
-}
-
-// 监听 key 和 name 的变化
+// 监听 key、name 和 value 的变化
 watch(
-  [() => props.modelKey, () => props.modelName],
-  async ([newKey, newName]) => {
-    if (!props.modelId && newKey && newName && modeler.value) {
-      await updateModelData(newKey, newName)
+  [() => props.modelKey, () => props.modelName, () => props.value],
+  async ([newKey, newName, newValue]) => {
+    if (!props.modelId && isModelerReady.value) {
+      let shouldRefresh = false
+
+      if (newKey && newName) {
+        const newXml = newValue || getDefaultBpmnXml(newKey, newName)
+        if (newXml !== xmlString.value) {
+          xmlString.value = newXml
+          shouldRefresh = true
+        }
+        model.value = {
+          ...model.value,
+          key: newKey,
+          name: newName
+        } as ModelApi.ModelVO
+      } else if (newValue && newValue !== xmlString.value) {
+        xmlString.value = newValue
+        shouldRefresh = true
+      }
+
+      if (shouldRefresh) {
+        // 确保更新后重新渲染
+        await nextTick()
+        if (processDesigner.value?.refresh) {
+          try {
+            await modeler.value?.importXML(xmlString.value)
+            processDesigner.value.refresh()
+          } catch (error) {
+            console.error('导入XML失败:', error)
+          }
+        }
+      }
     }
   },
-  { immediate: true, deep: true }
+  { deep: true }
 )
 
 // 在组件卸载时清理
@@ -209,13 +224,15 @@ onBeforeUnmount(() => {
 /** 获取XML字符串 */
 const saveXML = async () => {
   if (!modeler.value) {
-    return { xml: undefined }
+    return { xml: xmlString.value }
   }
   try {
-    return await modeler.value.saveXML({ format: true })
+    const result = await modeler.value.saveXML({ format: true })
+    xmlString.value = result.xml
+    return result
   } catch (error) {
     console.error('获取XML失败:', error)
-    return { xml: undefined }
+    return { xml: xmlString.value }
   }
 }
 
@@ -233,9 +250,14 @@ const saveSVG = async () => {
 }
 
 /** 刷新视图 */
-const refresh = () => {
-  if (processDesigner.value?.refresh) {
-    processDesigner.value.refresh()
+const refresh = async () => {
+  if (processDesigner.value?.refresh && modeler.value) {
+    try {
+      await modeler.value.importXML(xmlString.value)
+      processDesigner.value.refresh()
+    } catch (error) {
+      console.error('刷新视图失败:', error)
+    }
   }
 }