refactor(工作流流程): 新增读取xml文件接口，替换原流程定义中的接口。

ruoyi-admin/src/main/java/com/ruoyi/web/controller/workflow/WfProcessController.java

@@ -73,6 +73,15 @@ public class WfProcessController extends BaseController {
 
     }
 
+    /**
+     * 读取xml文件
+     * @param processDefId 流程定义ID
+     */
+    @GetMapping("/bpmnXml/{processDefId}")
+    public R<String> getBpmnXml(@PathVariable(value = "processDefId") String processDefId) {
+        return R.ok(null, processService.queryBpmnXmlById(processDefId));
+    }
+
     /**
      * 查询流程详情信息
      *

ruoyi-system/src/main/java/com/ruoyi/workflow/service/IWfProcessService.java

@@ -43,6 +43,12 @@ public interface IWfProcessService {
      */
     void startProcessByDefKey(String procDefKey, Map<String, Object> variables);
 
+    /**
+     * 读取xml文件
+     * @param processDefId 流程定义ID
+     */
+    String queryBpmnXmlById(String processDefId);
+
     /**
      * 查询流程任务详情信息
      * @param procInsId 流程实例ID

ruoyi-system/src/main/java/com/ruoyi/workflow/service/impl/WfProcessServiceImpl.java

@@ -189,6 +189,20 @@ public class WfProcessServiceImpl extends FlowServiceFactory implements IWfProce
         }
     }
 
+    /**
+     * 读取xml文件
+     * @param processDefId 流程定义ID
+     */
+    @Override
+    public String queryBpmnXmlById(String processDefId) {
+        InputStream inputStream = repositoryService.getProcessModel(processDefId);
+        try {
+            return IoUtil.readUtf8(inputStream);
+        } catch (IORuntimeException exception) {
+            throw new RuntimeException("加载xml文件异常");
+        }
+    }
+
     /**
      * 流程详情信息
      *

ruoyi-ui/src/api/workflow/process.js

@@ -27,6 +27,14 @@ export function startProcess(processDefId, data) {
   })
 }
 
+// 获取流程图
+export function getBpmnXml(processDefId) {
+  return request({
+    url: '/workflow/process/bpmnXml/' + processDefId,
+    method: 'get'
+  })
+}
+
 export function detailProcess(query) {
   return request({
     url: '/workflow/process/detail',

ruoyi-ui/src/views/workflow/work/index.vue

@@ -77,9 +77,8 @@
 </template>
 
 <script>
-import { listProcess } from "@/api/workflow/process";
+import { listProcess, getBpmnXml } from "@/api/workflow/process";
 import { listCategory } from '@/api/workflow/category'
-import { readXml } from '@/api/workflow/definition'
 import ProcessViewer from '@/components/ProcessViewer'
 
 export default {
@@ -149,7 +148,7 @@ export default {
       this.processView.title = "流程图";
       this.processView.index = definitionId;
       // 发送请求，获取xml
-      readXml(definitionId).then(res => {
+      getBpmnXml(definitionId).then(res => {
         this.processView.xmlData = res.data;
       })
       this.processView.open = true;