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                # 組件源碼 ``` /** * <b>方法描述:</b> 新增數據 <br/> * <b>創建者:</b> admin <br/> * <b>創建時間:</b> 2020-09-11 15:52:17 <br/> * * @param poolName * 入參|數據源名稱|{@link java.lang.String} * @param className * 入參|執行操作類名|{@link java.lang.String} * @param entity * 入參|新增實體對象|{@link java.lang.Object} * @param count * 出參|新增條數|{@link int} * @return -1 異常<br/> * 0 失敗<br/> * 1 成功<br/> */ @Component(label = "新增數據", style = "判斷型", type = "同步組件", comment = "數據庫單表插入一條數據,反回成功插入條數", version = "1.0.0", deprecated = false, author = "admin", date = "2020-09-11 03:52:17") @InParams(param = {@Param(name = "poolName", comment = "數據源名稱", type = java.lang.String.class), @Param(name = "className", comment = "執行操作類名", type = java.lang.String.class), @Param(name = "entity", comment = "新增實體對象", type = java.lang.Object.class)}) @OutParams(param = {@Param(name = "count", comment = "新增條數", type = int.class)}) @Returns( returns = {@Return(id = "-1", desp = "異常"), @Return(id = "0", desp = "失敗"), @Return(id = "1", desp = "成功")}) public static ResultBase P_insert(String poolName, String className, Object entity) { try { AppLog.debug("數據庫新增單條數據 組件參數:poolName={},className={},entity={}", poolName, className, entity); if (StringUtil.isEmpty(className)) { return ResultBase.newFailureResult("TPTD0009", "參數錯誤:執行類參數【className】不能為空"); } if (entity == null) { return ResultBase.newFailureResult("TPTD0010", "參數錯誤:新增【entity】不能為空"); } setDatasource(poolName); Object maper = BundleUtil.getService(className); if (maper == null) { return ResultBase.newFailureResult("TPTD0010", "錯誤:當前環境未找到[" + className + "]的可用數據庫操作Mapper 實例"); } Method method = getMethod(maper.getClass(), className, MybatisPlusMapperMehtod.insert); if (method != null) { AppLog.debug("開始執行相應的Mapper 方法"); return ResultBase.newSuccessResult(method.invoke(maper, entity)); } } catch (Exception e) { AppLog.error(e); return ResultBase.newExceptionResult("TPTD0011", "方法調用錯誤,類:" + className + "調用:insert 方法錯誤" + AppLog.errorMsg(e)); } return ResultBase.newFailureResult("TPTD0012", "方法調用錯誤,類:" + className + "沒有可執行方法:insert"); } ``` # 交易中組件使用方式 ![](https://img.kancloud.cn/c7/6b/c76b38d6fd12acdf87922edea080f5fd_1869x892.png) # 參數說明及示例 ## 入口參數 數據源名稱:使用的數據源名稱,可以為空 執行操作類名:執行 SQL 語句的類,示例: `"data.test.test.mapper.TUserMapper"` 新增實體對象:需要新增的對象,示例: `__INNER__["user"]` ## 出口參數 新增條數:成功插入的記錄數,示例: `__INNER__["result"]` > 當交易部署到微服務上時,數據源在微服務界面上配置。
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