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

Author: GoldenZqqq

src/components/SimpleProcessDesignerV2/src/SimpleProcessDesigner.vue

@@ -54,6 +54,10 @@ const props = defineProps({
   modelName: {
     type: String,
     required: false
+  },
+  value: {
+    type: [String, Object],
+    required: false
   }
 })
 
@@ -66,6 +70,10 @@ const userOptions = ref<UserApi.UserVO[]>([]) // 用户列表
 const deptOptions = ref<DeptApi.DeptVO[]>([]) // 部门列表
 const deptTreeOptions = ref()
 const userGroupOptions = ref<UserGroupApi.UserGroupVO[]>([]) // 用户组列表
+
+// 添加当前值的引用
+const currentValue = ref<SimpleFlowNode | undefined>()
+
 provide('formFields', formFields)
 provide('formType', formType)
 provide('roleList', roleOptions)
@@ -81,7 +89,7 @@ const errorDialogVisible = ref(false)
 let errorNodes: SimpleFlowNode[] = []
 
 // 添加更新模型的方法
-const updateModel = (key?: string, name?: string) => {
+const updateModel = () => {
   if (!processNodeTree.value) {
     processNodeTree.value = {
       name: '发起人',
@@ -93,42 +101,78 @@ const updateModel = (key?: string, name?: string) => {
         type: NodeType.END_EVENT_NODE
       }
     }
+    // 初始化时也触发一次保存
+    saveSimpleFlowModel(processNodeTree.value)
   }
 }
 
-// 监听属性变化
-watch([() => props.modelKey, () => props.modelName], ([newKey, newName]) => {
-  if (!props.modelId && newKey && newName) {
-    updateModel(newKey, newName)
+// 加载流程数据
+const loadProcessData = async (data: any) => {
+  try {
+    if (data) {
+      const parsedData = typeof data === 'string' ? JSON.parse(data) : data
+      processNodeTree.value = parsedData
+      currentValue.value = parsedData
+      // 确保数据加载后刷新视图
+      await nextTick()
+      if (simpleProcessModelRef.value?.refresh) {
+        await simpleProcessModelRef.value.refresh()
+      }
+    }
+  } catch (error) {
+    console.error('加载流程数据失败:', error)
   }
-}, { immediate: true, deep: true })
+}
+
+// 监听属性变化
+watch(
+  () => props.value,
+  async (newValue, oldValue) => {
+    if (newValue && newValue !== oldValue) {
+      await loadProcessData(newValue)
+    }
+  },
+  { immediate: true, deep: true }
+)
+
+// 监听流程节点树变化，自动保存
+watch(
+  () => processNodeTree.value,
+  async (newValue, oldValue) => {
+    if (newValue && oldValue && JSON.stringify(newValue) !== JSON.stringify(oldValue)) {
+      await saveSimpleFlowModel(newValue)
+    }
+  },
+  { deep: true }
+)
 
 const saveSimpleFlowModel = async (simpleModelNode: SimpleFlowNode) => {
   if (!simpleModelNode) {
-    message.error('模型数据为空')
     return
   }
+
+  // 校验节点
+  errorNodes = []
+  validateNode(simpleModelNode, errorNodes)
+  if (errorNodes.length > 0) {
+    errorDialogVisible.value = true
+    return
+  }
+
   try {
-    loading.value = true
     if (props.modelId) {
       // 编辑模式
       const data = {
         id: props.modelId,
         simpleModel: simpleModelNode
       }
-      const result = await updateBpmSimpleModel(data)
-      if (result) {
-        message.success('修改成功')
-        emits('success')
-      } else {
-        message.alert('修改失败')
-      }
-    } else {
-      // 新建模式，直接返回数据
-      emits('success', simpleModelNode)
+      await updateBpmSimpleModel(data)
     }
-  } finally {
-    loading.value = false
+    // 无论是编辑还是新建模式，都更新当前值并触发事件
+    currentValue.value = simpleModelNode
+    emits('success', simpleModelNode)
+  } catch (error) {
+    console.error('保存失败:', error)
   }
 }
 
@@ -193,31 +237,23 @@ onMounted(async () => {
     userOptions.value = await UserApi.getSimpleUserList()
     // 获得部门列表
     deptOptions.value = await DeptApi.getSimpleDeptList()
-
     deptTreeOptions.value = handleTree(deptOptions.value as DeptApi.DeptVO[], 'id')
     // 获取用户组列表
     userGroupOptions.value = await UserGroupApi.getUserGroupSimpleList()
 
+    // 加载流程数据
     if (props.modelId) {
-      //获取 SIMPLE 设计器模型
+      // 获取 SIMPLE 设计器模型
       const result = await getBpmSimpleModel(props.modelId)
       if (result) {
-        processNodeTree.value = result
-      }
-    }
-    
-    // 如果没有现有模型，创建初始模型
-    if (!processNodeTree.value) {
-      processNodeTree.value = {
-        name: props.modelName || '发起人',
-        type: NodeType.START_USER_NODE,
-        id: NodeId.START_USER_NODE_ID,
-        childNode: {
-          id: NodeId.END_EVENT_NODE_ID,
-          name: '结束',
-          type: NodeType.END_EVENT_NODE
-        }
+        await loadProcessData(result)
+      } else {
+        updateModel()
       }
+    } else if (props.value) {
+      await loadProcessData(props.value)
+    } else {
+      updateModel()
     }
   } finally {
     loading.value = false
@@ -228,14 +264,36 @@ const simpleProcessModelRef = ref()
 
 /** 获取当前流程数据 */
 const getCurrentFlowData = async () => {
-  if (simpleProcessModelRef.value) {
-    return await simpleProcessModelRef.value.getCurrentFlowData()
+  try {
+    if (simpleProcessModelRef.value) {
+      const data = await simpleProcessModelRef.value.getCurrentFlowData()
+      if (data) {
+        currentValue.value = data
+        return data
+      }
+    }
+    return currentValue.value
+  } catch (error) {
+    console.error('获取流程数据失败:', error)
+    return currentValue.value
+  }
+}
+
+// 刷新方法
+const refresh = async () => {
+  try {
+    if (currentValue.value) {
+      await loadProcessData(currentValue.value)
+    }
+  } catch (error) {
+    console.error('刷新失败:', error)
   }
-  return undefined
 }
 
 defineExpose({
   getCurrentFlowData,
-  updateModel
+  updateModel,
+  loadProcessData,
+  refresh
 })
 </script>

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')
-  }
-})
+// 监听 key、name 和 value 的变化
+watch(
+  [() => props.modelKey, () => props.modelName, () => props.value],
+  async ([newKey, newName, newValue]) => {
+    if (!props.modelId && isModelerReady.value) {
+      let shouldRefresh = false
 
-/** 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()
-    }
-  }
-}
+      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
+      }
 
-// 监听 key 和 name 的变化
-watch(
-  [() => props.modelKey, () => props.modelName],
-  async ([newKey, newName]) => {
-    if (!props.modelId && newKey && newName && modeler.value) {
-      await updateModelData(newKey, newName)
+      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)
+    }
   }
 }