# 組件源碼 ``` /** * <b>方法描述：</b> 讀文件內容 <br/> * <b>創建者：</b> admin <br/> * <b>創建時間：</b> 2018-05-08 17:19:05 <br/> * * @param filename * 入參|文件名|{@link java.lang.String} * @param charset * 入參|字符集GBK或UTF-8|{@link java.lang.String} * @param contents * 出參|讀取內容|{@link java.lang.String} * @return -1 異常<br/> * 0 失敗<br/> * 1 成功<br/> */ @Component(label = "讀文件內容", style = "判斷型", type = "同步組件", version = "1.0.0", deprecated = false, author = "admin", date = "2018-05-08 05:19:05") @InParams(param = { @Param(name = "filename", comment = "文件名", type = java.lang.String.class), @Param(name = "charset", comment = "字符集GBK或UTF-8", type = java.lang.String.class) }) @OutParams(param = { @Param(name = "contents", comment = "讀取內容", type = java.lang.String.class) }) @Returns(returns = { @Return(id = "-1", desp = "異常"), @Return(id = "0", desp = "失敗"), @Return(id = "1", desp = "成功") }) public static ResultBase P_fileReadAll(String filename, String charset) { if (filename == null || filename == "") { return ResultBase.newFailureResult("TPTF0028", "文件名不能為空"); } File file = new File(filename); Long filelength = file.length(); byte[] filecontent = new byte[filelength.intValue()]; try { FileInputStream in = new FileInputStream(file); in.read(filecontent); in.close(); } catch (Exception e) { AppLog.error(e); return ResultBase.newExceptionResult("TPTF0029", "讀取文件失敗," +AppLog.errorMsg(e)); } try { return ResultBase .newSuccessResult(new String(filecontent, charset)); } catch (UnsupportedEncodingException e) { AppLog.error(e); return ResultBase.newExceptionResult("TPTF0030", "字符集轉換失敗," + AppLog.errorMsg(e)); } } ``` # 交易中組件使用方式  # 參數說明及示例 ## 入口參數 文件名：文件的絕對路徑，示例： `"D:\\work\\CQYY\\workspace\\xxx.txt"` 字符集GBK或UTF-8：文件字符集編碼，示例： `"utf-8"` ## 出口參數 讀取內容：讀取文件的內容，示例： `__INNER__["result"]`