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                # 組件源碼 ``` /** * <b>方法描述:</b> 開啟事務,具體的事務屬性含義查看技術開發文檔 <br/> * <b>創建者:</b> test <br/> * <b>創建時間:</b> 2018-03-22 15:39:27 <br/> * * @param propagationBehavior * 入參|事務類型|{@link int} * @param status * 出參|事務狀態| {@link org.springframework.transaction.TransactionStatus} * @return 1 成功<br/> */ @Component(label = "開啟事務", style = "判斷型", type = "同步組件", comment = "PROPAGATION_REQUIRED=0 如果當前沒有事務,就新建一個事務,如果已經存在一個事務中,加入到這個事務中。\r\n" + "PROPAGATION_SUPPORTS=1 支持當前事務,如果當前沒有事務,就以非事務方式執行。\r\n" + "PROPAGATION_MANDATORY=2 使用當前的事務,如果當前沒有事務,就拋出異常。\r\n" + "PROPAGATION_REQUIRES_NEW=3 新建事務,如果當前存在事務,把當前事務掛起。\r\n" + "PROPAGATION_NOT_SUPPORTED=4 以非事務方式執行操作,如果當前存在事務,就把當前事務掛起。\r\n" + "PROPAGATION_NEVER=5 以非事務方式執行,如果當前存在事務,則拋出異常。", version = "1.0.0", deprecated = false, author = "test", date = "2018-03-22 03:39:27") @InParams(param = {@Param(name = "propagationBehavior", comment = "事務類型", type = int.class)}) @Returns(returns = {@Return(id = "-1", desp = "異常"), @Return(id = "1", desp = "成功")}) public static ResultBase P_beginTran(int propagationBehavior) { try { TransactionStatus status = TransactionUtil.beginTran(propagationBehavior); ServiceLocalEnv.addTransactionStatus(status); return ResultBase.newSuccessResult(status); } catch (Exception e) { AppLog.error(e); return ResultBase.newExceptionResult("TPTD0031", "事務開啟失敗:" + AppLog.errorMsg(e)); } } ``` # 交易中組件使用方式 ![](https://img.kancloud.cn/18/da/18dad4d1099f9b4728cef2a0b4c878b4_1870x893.png) # 參數說明及示例 ## 入口參數 事務類型:選擇事務的類型,示例: `1` > 開啟事務要與提交事務或者回滾事務聯用。
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