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                ??碼云GVP開源項目 12k star Uniapp+ElementUI 功能強大 支持多語言、二開方便! 廣告
                ## 一、概述 導入的數據量特別大的時候,系統需要消耗大量計算時間的情況下,可以采用異步導入數據的方案來提升用戶體驗; 平臺提供了完整的解決方案來實現異步導入機制; ## 二、方案 參考異步任務的技術特性:[后端框架/SprigBoot/核心技術/異步任務](../../../%E5%90%8E%E7%AB%AF%E6%A1%86%E6%9E%B6/SprigBoot/%E6%A0%B8%E5%BF%83%E6%8A%80%E6%9C%AF/%E5%BC%82%E6%AD%A5%E4%BB%BB%E5%8A%A1.md) 導入的業務代碼: ``` @RayServiceMethod @Transactional public ResponseObject importCandidate(String excelBase64) throws Exception { importCandidateCardAction.importAction(model, asynOrderExecutor.startImportOrder("", excelBase64, model)); return responseObj; } ``` ``` @Component public class ImportCandidateCardAction extends BaseAsynAction { @Autowired private CardInfoCandidateDao cardInfoCandidateDao; @Async public void importAction(RayModel model, SysAsynOrder sysAsynOrder) throws Exception { Workbook wb = Base64Util.getWorkbookByBase64(Base64Util.trimHeadFromFront(sysAsynOrderFileDao.findByOrderId(sysAsynOrder.getOrderId()))); Sheet sheet = wb.getSheetAt(0); for (int i = 1; i < sheet.getPhysicalNumberOfRows(); i++) { //省略業務邏輯 } asynOrderExecutor.completeImportOrder(sysAsynOrder, "完成", AsynOrderStatus.EXECUTED_SUCCESS); } } ``` 這樣,就實現了異步導入,在導入訂單列表(PC版首頁右上角)里面,即可查看導入文件的執行情況,如果執行完成,即可看到執行結果;
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