code: function files(path, ...matchers) {
  	if ( matchers.length ) {
  		return listFiles(path.replace(/\\/g, '/'), matchers);
  	}
  
  	let rs = [];
  	if( isDirectoryExists(path) ) {
  		let ls = fs.readdirSync(path);
  		ls.forEach((file, index) => rs.push(path + "/" + file));
  	}
  	return rs;
  }
docs: 不传matchers时不查询子目录 matchers: 匹配规则 [?]  - 单一字符 [*]  - 除目录分隔符[/]以外的任意字符 [**] - 任意字符 [!]  - 感叹号开头时表示排除