gistfile1.txt

computed: {
  empname: function() {
    switch (this.empid) {
      case '1':
        this.name = 'takahashi';
        break;
      case '2':
        this.name = 'higashiguchi';
        break;
      case '3':
        this.name = 'taniguchi';
        break;
      default:
        this.name = '';
        break;
    }
    return this.name + ':' + this.empid;
  }
}