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# 组件源码 ``` /** * <b>方法描述:</b> 表达式判断 <br/> * <b>创建者:</b> admin <br/> * <b>创建时间:</b> 2020-12-18 16:00:25 <br/> * * @param blnret * 入参|条件表达式返回|{@link boolean} * @param msg * 入参|false时提示信息|{@link java.lang.String} * @param msg * 出参|false时提示信息|{@link java.lang.String} * @return 0 失败<br/> * 1 成功<br/> */ @Component(label = "表达式判断", style = "判断型", type = "同步组件", comment = "结果为true返回成功,结果为false返回失败", version = "1.0.0", deprecated = false, author = "admin", date = "2020-12-18 04:00:25") @InParams(param = {@Param(name = "blnret", comment = "条件表达式返回", type = boolean.class), @Param(name = "msg", comment = "false时提示信息", type = java.lang.String.class)}) @OutParams(param = {@Param(name = "msg", comment = "false时提示信息", type = java.lang.String.class)}) @Returns(returns = {@Return(id = "0", desp = "失败"), @Return(id = "1", desp = "成功")}) @Order(value = 2) public static ResultBase P_compare(boolean blnret, String msg) { AppLog.info("表达式判断 :value={}", blnret); if (blnret) return new ResultBase(1); return new ResultBase(0).setOutputParams(msg); } ``` # 交易中组件使用方式 ![](https://img.kancloud.cn/fd/1f/fd1f078de4dd6f71dfd039e9b41e76eb_1870x891.png) # 参数说明及示例 ## 入口参数 条件表达式返回:输入值为 Boolean 类型的值,示例: `5>3` false时提示信息:当条件表达式返回 false 时显示的内容,示例: `"出错了"` ## 出口参数 false时提示信息:当条件表达式返回 false 时显示的内容,示例: `__INNER__["result"]`