Java实现将内容写到文件里面

1 实现

代码语言：javascript复制

String   appendLog = "";
	File logFile = new File(logFileName);


// append file content
		FileOutputStream fos = null;
		try {
			fos = new FileOutputStream(logFile, true);
			fos.write(appendLog.getBytes("utf-8"));
			fos.flush();
		} catch (Exception e) {
			logger.error(e.getMessage(), e);
		} finally {
			if (fos != null) {
				try {
					fos.close();
				} catch (IOException e) {
					logger.error(e.getMessage(), e);
				}
			}
		}

java error file fileoutputstream null

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