Java文件操作：以追加的方式输出文本

    // 以追加的方式将文本输出到本地文件中
    public static void writeTextAppendLocalFile(String localFilePath, String content) {
        File file = new File(localFilePath);
        file.mkdir();
        file = new File(localFilePath + "\java-input-file.txt");
        FileOutputStream fos = null;
        OutputStreamWriter osw = null;

        try {
            if (!file.exists()) {
                boolean hasFile = file.createNewFile();
                if (hasFile) {
                    // System.out.println("file not exists, create new file");
                }
                fos = new FileOutputStream(file);
            } else {
                // System.out.println("file exists");
                fos = new FileOutputStream(file, true);
            }

            osw = new OutputStreamWriter(fos, "utf-8");
            osw.write(content);
            osw.write("rn");
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                if (osw != null) {
                    osw.close();
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
            try {
                if (fos != null) {
                    fos.close();
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }

    }