# 組件源碼 ``` /** * <b>方法描述：</b> 字符串連接 <br/> * <b>創建者：</b> admin <br/> * <b>創建時間：</b> 2018-05-08 18:15:36 <br/> * * @param list * 入參|待連接列表|{@link com.ylink.ide.trade.runtime.context.JavaList} * @param concatStr * 入參|連接符|{@link java.lang.String} * @param newStr * 出參|連接后字符串|{@link java.lang.String} * @return -1 異常<br/> * 1 成功<br/> */ @Component(label = "字符串連接", style = "判斷型", type = "同步組件", comment = "將字符串列表用連接字符連接成字符串", version = "1.0.0", deprecated = false, author = "admin", date = "2018-05-08 06:15:36") @InParams(param = { @Param(name = "list", comment = "待連接列表", type = com.ylink.ide.trade.runtime.context.JavaList.class), @Param(name = "concatStr", comment = "連接符", type = java.lang.String.class) }) @OutParams(param = { @Param(name = "newStr", comment = "連接后字符串", type = java.lang.String.class) }) @Returns(returns = { @Return(id = "-1", desp = "異常"), @Return(id = "1", desp = "成功") }) public static ResultBase P_concat(JavaList list, String concatStr) { try { return ResultBase .newSuccessResult(StringUtil.join(list, concatStr)); } catch (Exception e) { AppLog.error(e); } return ResultBase.newExceptionResult("TPTS1013", "參數錯誤，不能拼接,list=" + list + ",連接符=" + concatStr); } ``` # 交易中組件使用方式  # 參數說明及示例 ## 入口參數 待連接列表：字符串列表，示例： `["你好","世界"]` 連接符：連接字符串的字符，示例： `","` ## 出口參數 連接后字符串：經過連接后的字符串，示例： `__INNER__["result"]`