if... else... switch... case... 对象映射 简化操作

    // 邀约失败原因弹框
    async handleDialogOpen(e, headCountNumber, val) {
      // value = "角色身份： 1招聘  2用人经理 3用人经理上级  4HRBP  5其他  6整体 "

      //方法一：太臃肿

         this.failnum = "6";
         if (val == "recruitInvitedFailNumber") {
           this.failnum = 1;
         } else if (val == "employeeManagerInvitedFailNumber") {
           this.failnum = 2;
         } else if (val == "superiorEmployeeManagerInvitedFailNumber") {
           this.failnum = 3;
         } else if (val == "hrbpInvitedFailNumber") {
            this.failnum = 4;
         } else if (val == "otherInvitedFailNumber") {
           this.failnum = 5;
         }

      //方法二
      switch (val) {
          case "recruitInvitedFailNumber":
            this.failnum = 1;
            break;
          case "employeeManagerInvitedFailNumber":
            this.failnum = 2;
            break;
          case "superiorEmployeeManagerInvitedFailNumber":
            this.failnum = 3;
            break;
          case "hrbpInvitedFailNumber":
            this.failnum = 4;
            break;
          case "otherInvitedFailNumber":
            this.failnum = 5;
            break;
          default:
            this.failnum = 6;
       }

      // 方法三：对象映射 更美观
      const failnumMap = {
        recruitInvitedFailNumber: 1,
        employeeManagerInvitedFailNumber: 2,
        superiorEmployeeManagerInvitedFailNumber: 3,
        hrbpInvitedFailNumber: 4,
        otherInvitedFailNumber: 5
      };
      this.failnum = failnumMap[val] || 6;