# 組件源碼 ``` /** * <b>方法描述：</b> 獲取容器變量值 <br/> * <b>創建者：</b> admin <br/> * <b>創建時間：</b> 2018-05-11 11:53:46 <br/> * * @param indict * 入參|上下文|{@link java.util.Map} * @param varname * 入參|變量名稱|{@link java.lang.String} * @param varval * 出參|返回變量值|{@link Object} * @return 0 失敗<br/> * 1 成功<br/> */ @Component(label = "獲取容器變量值", style = "判斷型", type = "同步組件", comment = "獲取上下文中指定變量的值", version = "1.0.0", deprecated = false, author = "admin", date = "2018-05-11 11:53:46") @InParams(param = {@Param(name = "indict", comment = "上下文", type = java.util.Map.class), @Param(name = "varname", comment = "變量名稱", type = java.lang.String.class)}) @OutParams(param = {@Param(name = "varval", comment = "返回變量值", type = Object.class)}) @Returns(returns = {@Return(id = "0", desp = "失敗"), @Return(id = "1", desp = "成功")}) public static ResultBase P_getVal(Map indict, String varname) { if (indict == null) return ResultBase.newFailureResult("TPTC2006", "容器不能為空"); Object obj = indict.get(varname); AppLog.debug("獲取容器變量：key={},value={}", varname, obj); return ResultBase.newSuccessResult(obj); } ``` # 交易中組件使用方式  # 參數說明及示例 ## 入口參數 上下文：一個 Map 對象，示例： `__INNER__` 變量名稱：容器中存在的變量名，示例： `"x"` ## 出口參數 返回變量值：獲取上下文中指定變量的值，示例： `__INNER__["result"]`