JS多文件类型判断

getFileType(fileType) {
  switch (fileType) {
    case "html":
    case "css":
    case "js":
      return "前端";
    case "java":
    case "python":
      return "后端";
    case "office":
      return "文档";
    default:
      return "未知类型";
  }
},