本地文件/文件夹的各种操作_JAVA_编程开发_程序员俱乐部

class="java" name="code">	/**
	 * 新建目录
	 * @param dirPath
	 */
	public static void mkdir(String dirPath) {
		File fd = null;
		try {
			fd = new File(dirPath + File.separator);
			if (!fd.exists()) {
				fd.mkdirs();
			}
		} catch (Exception e) {
			e.printStackTrace();
		} finally {
			fd = null;
		}
	}

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	/**
	 * 写文件
	 * @param filePath
	 * @param fileContet
	 * @return
	 */
	public static boolean writeToFile(String filePath, Object fileContet) {
		File file = new File(filePath);
		if (!file.getParentFile().exists()) {
			file.getParentFile().mkdirs();
		}
		Writer writer = null;
		try {
			writer = new OutputStreamWriter(new FileOutputStream(file), "UTF-8");
			writer.write(fileContet.toString());
			writer.close();
			return true;
		} catch (IOException e) {
			e.printStackTrace();
		} finally {
			if (writer != null) {
				try {
					writer.close();
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
		}
		return false;
	}

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	/**
	 * 按行读取文件
	 * @param filepath
	 */
	public void readFlie(String filepath) {
		BufferedReader br = null;

		try {
			br = new BufferedReader(new InputStreamReader(new FileInputStream(
					filepath)));
			for (String line = br.readLine(); line != null; line = br
					.readLine()) {
				System.out.println(line);
			}
		} catch (Exception e) {
			e.printStackTrace();
		} finally {
			if (br != null) {
				try {
					br.close();
				} catch (Exception e) {
					e.printStackTrace();
				}
			}
		}
	}

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	/**
	 * 递归查找判断某个目录下是否存在包含指定字符指定类型的文件
	 * @param dirPath   需扫描的目录
	 * @param filetype   文件类型，如“jpg”、“png”等
	 * @param containStr    包含的特定的字符串
	 * @return
	 */
	public static boolean hasFile(String dirPath, String filetype,
			String[] containStr) {
		File srcDir = new File(dirPath);
		File[] fileList = srcDir.listFiles();

		for (File file : fileList) {
			if (file.isFile()) {
				if (file.toString().toLowerCase()
						.endsWith(filetype.toLowerCase())) {
					boolean isContain = true;
					for (String str : containStr) {
						if (!file.toString().contains(str)) {
							isContain = false;
						}
					}
					if (isContain) {
						return true;
					} else {
						continue;
					}
				}
			} else if (file.isDirectory()) {
				hasFile(file.toString(), filetype, containStr);
			}
		}

		return false;
	}

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