feat(bpm)：新增流程模型操作导出模型json按钮

apps/web-antd/src/api/bpm/model/index.ts

@@ -107,6 +107,11 @@ export async function importModel(file: File, key?: string, name?: string) {
   });
 }
 
+/** 导出流程模型 */
+export async function exportModel(id: number) {
+  return requestClient.get<BpmModelApi.Model>(`/bpm/model/export?id=${id}`);
+}
+
 /** 删除流程模型 */
 export async function deleteModel(id: number) {
   return requestClient.delete(`/bpm/model/delete?id=${id}`);

apps/web-antd/src/views/bpm/model/modules/category-draggable-model.vue

@@ -31,6 +31,7 @@ import {
   cleanModel,
   deleteModel,
   deployModel,
+  exportModel,
   updateModelSortBatch,
   updateModelState,
 } from '#/api/bpm/model';
@@ -315,6 +316,10 @@ function handleModelCommand(command: string, row: any) {
       handleDelete(row);
       break;
     }
+    case 'handleExport': {
+      handleExportModel(row);
+      break;
+    }
     case 'handleReport': {
       handleReport(row);
       break;
@@ -325,6 +330,26 @@ function handleModelCommand(command: string, row: any) {
   }
 }
 
+/** 导出模型 */
+async function handleExportModel(row: any) {
+  const hideLoading = message.loading({ content: '正在导出...', duration: 0 });
+  try {
+    const data = await exportModel(row.id);
+    const blob = new Blob([JSON.stringify(data, null, 2)], {
+      type: 'application/json',
+    });
+    const url = URL.createObjectURL(blob);
+    const a = document.createElement('a');
+    a.href = url;
+    a.download = `${row.key || row.name || 'model'}.json`;
+    a.click();
+    URL.revokeObjectURL(url);
+    message.success('导出成功');
+  } finally {
+    hideLoading();
+  }
+}
+
 /** 更新状态操作 */
 async function handleChangeState(row: any) {
   const state = row.processDefinition.suspensionState;
@@ -691,6 +716,7 @@ function handleRenameSuccess() {
                       @click="(e) => handleModelCommand(e.key as string, row)"
                     >
                       <Menu.Item key="handleCopy"> 复制 </Menu.Item>
+                      <Menu.Item key="handleExport"> 导出 </Menu.Item>
                       <Menu.Item key="handleDefinitionList"> 历史 </Menu.Item>
 
                       <Menu.Item