@Override
    public TemplateFile findByPath(String path) {
        File file = new File(path);
        if (!file.exists()) {
            throw new SystemException("模板不存在请检查！");
        String parentPath = null;
        String[] fileParent = file.getParent().split("templates");
        if (fileParent.length == 1){
            parentPath = File.separator;
        }else {
            parentPath = fileParent[1];
        TemplateFile templateFile = new TemplateFile();
        templateFile.setFileName(file.getName());
        templateFile.setFilePath(file.getAbsolutePath());
        templateFile.setParentPath(parentPath);
        // 这里是读取文件的内容，用到了下面写的方法，方法内有读写的文件流
        templateFile.setContent(this.readTemplateFileContent(file));
        return templateFile;
    @Override
    public String readTemplateFileContent(File file) {
        ByteArrayOutputStream bos = null;
        InputStream inputStream = null;
        try {
            inputStream = new FileInputStream(file);
            byte[] buffer = new byte[1024];
            int len;
            bos = new ByteArrayOutputStream();
            while ((len = inputStream.read(buffer)) != -1) {
                bos.write(buffer, 0, len);
        } catch (Exception e) {
            throw new SystemException(e.getMessage());
        } finally {
            try {
                if (bos != null) {
                    bos.close();
            } catch (IOException e) {
                log.error("读取模板失败");
            // 当时删除不成功的原因就是没有下面的try...catch代码块，inputStream没有关闭
            try {
                inputStream.close();
            } catch (IOException e) {
                log.error("读取模板失败, {}", e);
        try {
            return new String(bos.toByteArray(), "utf-8");
        } catch (UnsupportedEncodingException e) {
            log.error("读取模板失败");
        return "";