# 組件源碼 ``` /** * <b>方法描述：</b> 字符串非空 <br/> * <b>創建者：</b> admin <br/> * <b>創建時間：</b> 2018-04-13 10:43:32 <br/> * * @param list * 入參|字符列表|{@link com.ylink.ide.trade.runtime.context.JavaList} * @param isNull * 出參|是否非空|{@link boolean} * @return 0 失敗<br/> * 1 成功<br/> */ @Component(label = "字符串非空", style = "判斷型", type = "同步組件", comment = "字符串非空檢查，列表中中全部不為空，反回true，如果存在一個為空，反回false;其中null、空格、空串都視為空", version = "1.0.0", deprecated = false, author = "admin", date = "2018-04-13 10:43:32") @InParams(param = { @Param(name = "list", comment = "字符列表", type = com.ylink.ide.trade.runtime.context.JavaList.class) }) @OutParams(param = { @Param(name = "isNull", comment = "是否非空", type = boolean.class) }) @Returns(returns = { @Return(id = "0", desp = "失敗"), @Return(id = "1", desp = "成功") }) public static ResultBase P_hasEmpty(JavaList list) { if (list == null || list.isEmpty()) { return ResultBase.newFailureResult("TPTS1016", "集合為空"); } for (int i = 0; i < list.size(); i++) { String s = (String) list.get(i); if (StringUtil.isBlank(s)) return ResultBase.newFailureResult("TPTS1017", "第" + i + "個字符串為空"); } return ResultBase.newSuccessResult(true); } ``` # 交易中組件使用方式  # 參數說明及示例 ## 入口參數 字符列表：字符串列表，示例： `["dssad","","123"]` ## 出口參數 是否非空：判斷字符串列表中是否存在空值（null、空格、空串），示例： `__INNER__["result"]`