如何实现每增加一个时间区间，开始时间是上一条的结束时间

[sym134]

如何实现每增加一个时间区间，开始时间是上一条的结束时间

[github-actions]

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[CheshireJCat]

要实现这个有以下几个要点：
1.先说说你的使用误区，为了避免死循环，组件不能对自己执行动作，所以在add事件中执行不会生效
2. 所以如果要生效，需要去掉combo原来的新增按钮，设置 addable 为 false
3. 在下面新增一个模拟按钮新增按钮，然后这个按钮点击的时候，对combo执行新增动作addItem
4. 设置新增的值，需要用到很多表达式（具体可以查看文档）以此来计算新的值
5. 另外，这种计算值比较复杂的操作用自定义动作写js获取比较方便，可以尝试一下

完整的schema如下，应该是你要的效果：

{
  "type": "form",
  "id": "u:1bd293cd8bba",
  "title": "表单",
  "debug": true,
  "body": [
    {
      "type": "combo",
      "id": "u:6668b5cd6246",
      "name": "combo11",
      "label": "组合多条多行内联",
      "multiple": true,
      "multiLine": false,
      "inline": true,
      "value": [
        {
          "start": "00:00",
          "end": "01:00",
          "price_category": 0
        }
      ],
      "addable": false,
      "items": [
        {
          "type": "input-time-range",
          "label": "时间范围",
          "name": "start",
          "id": "u:5c130c3d188f",
          "displayFormat": "HH:mm",
          "placeholder": "请选择时间范围",
          "valueFormat": "HH:mm",
          "minDate": "",
          "shortcuts": [],
          "extraName": "end",
          "endPlaceholder": "结束时间",
          "autoFill": {},
          "required": true,
          "embed": false,
          "unique": true,
          "value": "",
          "maxDate": ""
        },
        {
          "type": "select",
          "label": "价格类别",
          "name": "price_category",
          "options": [
            {
              "label": "尖费率",
              "value": 0
            },
            {
              "label": "峰费率",
              "value": 1
            },
            {
              "label": "平费率",
              "value": 2
            },
            {
              "label": "谷费率",
              "value": 3
            }
          ],
          "id": "u:c800ea06ec55",
          "multiple": false,
          "required": true,
          "value": ""
        }
      ],
      "strictMode": true,
      "maxLength": 24,
      "minLength": 1,
      "removableMode": "button",
      "removable": true,
      "canAccessSuperData": false,
      "draggable": false,
      "tabsMode": false,
      "size": "full",
      "syncFields": [],
      "lazyLoad": false,
      "className": "mb-1"
    },
    {
      "type": "button-toolbar",
      "label": "",
      "buttons": [
        {
          "type": "button",
          "label": "新增",
          "icon": "fa fa-plus",
          "level": "primary",
          "size": "sm",
          "onEvent": {
            "click": {
              "weight": 0,
              "actions": [
                {
                  "componentId": "u:6668b5cd6246",
                  "ignoreError": false,
                  "actionType": "addItem",
                  "args": {
                    "item": {
                      "start": "${combo11[COUNT(combo11)-1].end}",
                      "end": "${DATETOSTR(DATEMODIFY(STRTODATE('2000/01/01 '+combo11[COUNT(combo11)-1].end+ ':00'), 1, 'hours'), 'HH:mm')}",
                      "price_category": "${HOUR(STRTODATE('2000/01/01 '+combo11[COUNT(combo11)-1].end+ ':00')) % 2}"
                    }
                  }
                }
              ]
            }
          }
        }
      ]
    }
  ]
}

[CheshireJCat]

另外，我看你另一个issue #9415 也是为了解决一样的问题吧