增加审批组件

frontend/src/pages/Workflow/Design/components/FormPreviewModal.tsx

@@ -0,0 +1,75 @@
+/**
+ * 表单预览弹窗组件
+ * 用于在工作流设计页面预览启动表单
+ */
+
+import React from 'react';
+import {
+    Dialog,
+    DialogContent,
+    DialogHeader,
+    DialogTitle,
+} from '@/components/ui/dialog';
+import { FormRenderer } from '@/components/FormDesigner';
+import type { FormDefinitionResponse } from '@/pages/Form/Definition/types';
+
+interface FormPreviewModalProps {
+    open: boolean;
+    onClose: () => void;
+    formDefinition: FormDefinitionResponse | null;
+}
+
+const FormPreviewModal: React.FC<FormPreviewModalProps> = ({
+    open,
+    onClose,
+    formDefinition
+}) => {
+    if (!formDefinition) {
+        return null;
+    }
+
+    return (
+        <Dialog open={open} onOpenChange={onClose}>
+            <DialogContent className="max-w-5xl max-h-[90vh] overflow-y-auto">
+                <DialogHeader>
+                    <DialogTitle>
+                        预览表单：{formDefinition.name}
+                        {formDefinition.description && (
+                            <span className="text-sm font-normal text-muted-foreground ml-2">
+                                {formDefinition.description}
+                            </span>
+                        )}
+                    </DialogTitle>
+                </DialogHeader>
+                
+                <div className="py-4">
+                    <FormRenderer
+                        schema={formDefinition.schema}
+                        readonly={false}
+                        showSubmit={false}
+                        showCancel={false}
+                    />
+                </div>
+                
+                <div className="text-xs text-muted-foreground border-t pt-3 space-y-1">
+                    <div>表单标识：{formDefinition.key}</div>
+                    <div>表单版本：v{formDefinition.formVersion}</div>
+                    <div>状态：
+                        <span className={`ml-1 ${
+                            formDefinition.status === 'PUBLISHED' ? 'text-green-600' :
+                            formDefinition.status === 'DRAFT' ? 'text-yellow-600' :
+                            'text-gray-600'
+                        }`}>
+                            {formDefinition.status === 'PUBLISHED' ? '已发布' :
+                             formDefinition.status === 'DRAFT' ? '草稿' :
+                             formDefinition.status}
+                        </span>
+                    </div>
+                </div>
+            </DialogContent>
+        </Dialog>
+    );
+};
+
+export default FormPreviewModal;
+

frontend/src/pages/Workflow/Design/components/WorkflowToolbar.tsx

@@ -1,5 +1,5 @@
 import React from 'react';
-import { Save, Undo, Redo, ZoomIn, ZoomOut, Maximize2, ArrowLeft } from 'lucide-react';
+import { Save, Undo, Redo, ZoomIn, ZoomOut, Maximize2, ArrowLeft, Eye } from 'lucide-react';
 import { Button } from '@/components/ui/button';
 import { Separator } from '@/components/ui/separator';
 import { 
@@ -12,6 +12,8 @@ import {
 interface WorkflowToolbarProps {
     title?: string;
     onSave?: () => void;
+    onPreviewForm?: () => void;
+    hasFormDefinition?: boolean;
     onUndo?: () => void;
     onRedo?: () => void;
     onZoomIn?: () => void;
@@ -27,6 +29,8 @@ interface WorkflowToolbarProps {
 const WorkflowToolbar: React.FC<WorkflowToolbarProps> = ({
     title = '工作流设计器',
     onSave,
+    onPreviewForm,
+    hasFormDefinition = false,
     onUndo,
     onRedo,
     onZoomIn,
@@ -146,6 +150,23 @@ const WorkflowToolbar: React.FC<WorkflowToolbarProps> = ({
 
                     <Separator orientation="vertical" className="h-6 mx-2" />
 
+                    {/* 预览表单按钮 */}
+                    {hasFormDefinition && (
+                        <Tooltip>
+                            <TooltipTrigger asChild>
+                                <Button 
+                                    variant="outline"
+                                    onClick={onPreviewForm}
+                                    className="gap-1.5"
+                                >
+                                    <Eye className="h-4 w-4" />
+                                    预览表单
+                                </Button>
+                            </TooltipTrigger>
+                            <TooltipContent>预览启动表单</TooltipContent>
+                        </Tooltip>
+                    )}
+
                     {/* 保存按钮（最右侧） */}
                     <Button 
                         onClick={onSave}

frontend/src/pages/Workflow/Design/index.tsx

@@ -8,6 +8,7 @@ import NodePanel from './components/NodePanel';
 import FlowCanvas from './components/FlowCanvas';
 import NodeConfigModal from './components/NodeConfigModal';
 import EdgeConfigModal, { type EdgeCondition } from './components/EdgeConfigModal';
+import FormPreviewModal from './components/FormPreviewModal';
 import type { FlowNode, FlowEdge, FlowNodeData } from './types';
 import type { WorkflowNodeDefinition } from './nodes/types';
 import { isConfigurableNode } from './nodes/types';
@@ -15,6 +16,8 @@ import { useWorkflowSave } from './hooks/useWorkflowSave';
 import { useWorkflowLoad } from './hooks/useWorkflowLoad';
 import { useHistory } from './hooks/useHistory';
 import { generateNodeId, generateEdgeId } from './utils/idGenerator';
+import { getDefinitionById as getFormDefinitionById } from '@/pages/Form/Definition/service';
+import type { FormDefinitionResponse } from '@/pages/Form/Definition/types';
 
 // 样式
 import '@xyflow/react/dist/style.css';
@@ -50,6 +53,10 @@ const WorkflowDesignInner: React.FC = () => {
     const [edgeConfigModalVisible, setEdgeConfigModalVisible] = useState(false);
     const [configEdge, setConfigEdge] = useState<FlowEdge | null>(null);
     
+    // 表单定义数据和预览弹窗状态
+    const [formDefinition, setFormDefinition] = useState<FormDefinitionResponse | null>(null);
+    const [formPreviewVisible, setFormPreviewVisible] = useState(false);
+    
     // 保存和加载hooks
     const { hasUnsavedChanges, saveWorkflow, markUnsaved } = useWorkflowSave();
     const { workflowDefinition, loadWorkflow } = useWorkflowLoad();
@@ -69,6 +76,19 @@ const WorkflowDesignInner: React.FC = () => {
                     setNodes(data.nodes);
                     setEdges(data.edges);
                     setWorkflowTitle(data.definition?.name || '未命名工作流');
+                    
+                    // 如果工作流关联了表单，加载表单定义数据
+                    if (data.definition?.formDefinitionId) {
+                        try {
+                            const formDef = await getFormDefinitionById(data.definition.formDefinitionId);
+                            setFormDefinition(formDef);
+                            console.log('表单定义数据已加载:', formDef);
+                        } catch (error) {
+                            console.error('加载表单定义失败:', error);
+                        }
+                    } else {
+                        setFormDefinition(null);
+                    }
                 }
             }
         };
@@ -125,6 +145,16 @@ const WorkflowDesignInner: React.FC = () => {
         navigate('/workflow/definition');
     }, [navigate]);
 
+    // 预览表单
+    const handlePreviewForm = useCallback(() => {
+        if (!formDefinition) {
+            message.warning('当前工作流未关联启动表单');
+            return;
+        }
+        
+        setFormPreviewVisible(true);
+    }, [formDefinition]);
+
     // 撤销操作
     const handleUndo = useCallback(() => {
         const state = history.undo();
@@ -494,6 +524,8 @@ const WorkflowDesignInner: React.FC = () => {
                 title={`${workflowTitle}${hasUnsavedChanges ? ' *' : ''}`}
                 onSave={handleSave}
                 onBack={handleBack}
+                onPreviewForm={handlePreviewForm}
+                hasFormDefinition={!!formDefinition}
                 onUndo={handleUndo}
                 onRedo={handleRedo}
                 onZoomIn={handleZoomIn}
@@ -545,6 +577,13 @@ const WorkflowDesignInner: React.FC = () => {
                 onOk={handleEdgeConditionUpdate}
                 onCancel={handleCloseEdgeConfigModal}
             />
+
+            {/* 表单预览弹窗 */}
+            <FormPreviewModal
+                open={formPreviewVisible}
+                onClose={() => setFormPreviewVisible(false)}
+                formDefinition={formDefinition}
+            />
         </div>
     );
 };