java 以行为单位写文件

[java]代码库

	/**
	 * 以行为单位写文件
	 * @param fileName	文件名
	 */
	public static void writeFileByLines(String fileName){
		File file = new File(fileName);
		PrintWriter writer = null;
		try {
			writer = new PrintWriter(new FileOutputStream(file));
			//写字符串
			writer.println("文件内容：");
			//能写各种基本类型数据
			writer.print(true);
			writer.print(155);
			//换行
			writer.println();
			//写入文件
			writer.flush();
			System.out.println("写文件" + file.getAbsolutePath() + "成功！");
		} catch (FileNotFoundException e) {
			System.out.println("写文件" + file.getAbsolutePath() + "失败！");
			e.printStackTrace();
		} finally {
			if (writer != null){
				//关闭输出文件流
				writer.close();
			}
		}
	}