通過傳入流程啟動(dòng)id去查詢當(dāng)前流執(zhí)行節(jié)點(diǎn)
返回流程圖 到期節(jié)點(diǎn) 標(biāo)紅顯示

/*** 生成流程圖** @param processId 任務(wù)ID*/@RequestMapping(value = "processDiagram")public void genProcessDiagram(HttpServletResponse httpServletResponse, String processId) throws Exception {ProcessInstance pi = runtimeService.createProcessInstanceQuery().processInstanceId(processId).singleResult();//流程走完的不顯示圖if (pi == null) {return;}Task task = taskService.createTaskQuery().processInstanceId(pi.getId()).singleResult();//使用流程實(shí)例ID，查詢正在執(zhí)行的執(zhí)行對象表，返回流程實(shí)例對象String InstanceId = task.getProcessInstanceId();List<Execution> executions = runtimeService.createExecutionQuery().processInstanceId(InstanceId).list();//得到正在執(zhí)行的Activity的IdList<String> activityIds = new ArrayList<>();List<String> flows = new ArrayList<>();for (Execution exe : executions) {List<String> ids = runtimeService.getActiveActivityIds(exe.getId());activityIds.addAll(ids);}//獲取流程圖BpmnModel bpmnModel = repositoryService.getBpmnModel(pi.getProcessDefinitionId());ProcessEngineConfiguration engconf = processEngine.getProcessEngineConfiguration();ProcessDiagramGenerator diagramGenerator = engconf.getProcessDiagramGenerator();InputStream in = diagramGenerator.generateDiagram(bpmnModel, "png", activityIds, flows, engconf.getActivityFontName(), engconf.getLabelFontName(), engconf.getAnnotationFontName(), engconf.getClassLoader(), 1.0, false);OutputStream out = null;byte[] buf = new byte[1024];int legth = 0;try {out = httpServletResponse.getOutputStream();while ((legth = in.read(buf)) != -1) {out.write(buf, 0, legth);}} finally {if (in != null) {in.close();}if (out != null) {out.close();}}} 創(chuàng)作挑戰(zhàn)賽新人創(chuàng)作獎(jiǎng)勵(lì)來咯，堅(jiān)持創(chuàng)作打卡瓜分現(xiàn)金大獎(jiǎng)

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