# 組件源碼 ``` /** * @category 以子字符串開始 * @param instr * 入參|原字符串|{@link java.lang.String} * @param substr * 入參|子字符串|{@link java.lang.String} * @return 0 失敗<br/> * 1 成功<br/> */ @InParams(param = { @Param(name = "instr", comment = "原字符串", type = java.lang.String.class), @Param(name = "substr", comment = "子字符串", type = java.lang.String.class) }) @Returns(returns = { @Return(id = "0", desp = "失敗"), @Return(id = "1", desp = "成功") }) @Component(label = "以字符串開始", style = "判斷型", type = "同步組件", version = "1.0.0", deprecated = false, author = "test", date = "2018-01-22 04:48:39") public static ResultBase P_stratsWith(String instr, String substr) { if (instr != null && substr != null && instr.startsWith(substr)) { return ResultBase.newSuccessResult(); } return ResultBase.newFailureResult("TPTS1008", "不以子字符串開頭"); } ``` # 交易中組件使用方式  # 參數說明及示例 ## 入口參數 原字符串：輸入一串字符串，示例： `"wsxxcderfv"` 子字符串：輸入一串字符串，示例： `"w"`