# 組件源碼 ``` /** * <b>方法描述：</b> 是否為0 <br/> * <b>創建者：</b> admin <br/> * <b>創建時間：</b> 2018-05-11 11:49:33 <br/> * * @param amt * 入參|輸入金額|{@link Object} * @return 0 失敗<br/> * 1 成功<br/> */ @Component(label = "是否為0", style = "判斷型", type = "同步組件", comment = "判斷輸入金額是否為0", version = "1.0.0", deprecated = false, author = "admin", date = "2018-05-11 11:49:33") @InParams(param = {@Param(name = "amt", comment = "輸入金額", type = Object.class)}) @Returns(returns = {@Return(id = "0", desp = "失敗"), @Return(id = "1", desp = "成功")}) public static ResultBase P_isZero(Object amt) { BigDecimal d = transform(amt); if (d == null) return ResultBase.newFailureResult("TPTA0006", "輸入不是合法金額數據,輸入數據：" + amt); if (d.compareTo(BigDecimal.ZERO) != 0) { return ResultBase.newFailureResult("TPTA0006", "輸入金額不為0：" + amt); } else { return ResultBase.newSuccessResult(); } } ``` # 交易中組件使用方式  # 參數說明及示例 ## 入口參數 輸入金額：輸入一個數值型參數，示例： `0`