# 組件源碼 ``` /** * <b>方法描述：</b> 表達式判斷 <br/> * <b>創建者：</b> admin <br/> * <b>創建時間：</b> 2020-12-18 16:00:25 <br/> * * @param blnret * 入參|條件表達式返回|{@link boolean} * @param msg * 入參|false時提示信息|{@link java.lang.String} * @param msg * 出參|false時提示信息|{@link java.lang.String} * @return 0 失敗<br/> * 1 成功<br/> */ @Component(label = "表達式判斷", style = "判斷型", type = "同步組件", comment = "結果為true返回成功，結果為false返回失敗", version = "1.0.0", deprecated = false, author = "admin", date = "2020-12-18 04:00:25") @InParams(param = {@Param(name = "blnret", comment = "條件表達式返回", type = boolean.class), @Param(name = "msg", comment = "false時提示信息", type = java.lang.String.class)}) @OutParams(param = {@Param(name = "msg", comment = "false時提示信息", type = java.lang.String.class)}) @Returns(returns = {@Return(id = "0", desp = "失敗"), @Return(id = "1", desp = "成功")}) @Order(value = 2) public static ResultBase P_compare(boolean blnret, String msg) { AppLog.info("表達式判斷 :value={}", blnret); if (blnret) return new ResultBase(1); return new ResultBase(0).setOutputParams(msg); } ``` # 交易中組件使用方式  # 參數說明及示例 ## 入口參數 條件表達式返回：輸入值為 Boolean 類型的值，示例： `5>3` false時提示信息：當條件表達式返回 false 時顯示的內容，示例： `"出錯了"` ## 出口參數 false時提示信息：當條件表達式返回 false 時顯示的內容，示例： `__INNER__["result"]`