<div class="layui-form-item">
     <label class="layui-form-label">预约时间</label>
     <div class="layui-input-inline">
          <input class="layui-input" autocomplete="off" readonly="readonly" id="time" lay-verify="apply_time" placeholder="请选择预约日期" type="text" name="apply_time">
     </div>
</div>
<script type="text/javascript" src="https://res.wx.qq.com/open/js/jweixin-1.0.0.js"></script>
<script src="https://res.wx.qq.com/t/wx_fed/weui.js/res/1.2.17/weui.min.js"></script>


<script>
    let cachedTimeSlots = null;
    
    document.getElementById('time').addEventListener('click', function () {
        const $input = this;
    
        if (cachedTimeSlots) {
            showTimePicker(cachedTimeSlots, $input);
            return;
        }
    
        const loading = weui.loading('加载中...');
        fetch('/member/Api/getTimeList').then(res => res.json()).then(json => {
            loading.hide();
            if (json.code === 100 && Array.isArray(json.data)) {
                // ✅ 关键：把字符串数组转成 { label, value } 对象数组
                cachedTimeSlots = json.data.map(slot => ({
                    label: slot,      // 必须有 label！
                    value: slot
                }));

                showTimePicker(cachedTimeSlots, $input);
            } else {
                weui.alert(json.msg || '加载时间段失败');
            }
            console.log('Raw data:', json.data);
            console.log('Mapped data:', cachedTimeSlots);
        })
        .catch(err => {
            console.error('Error:', err);
            loading.hide();
            weui.alert('网络错误');
        });
    });
    
    function showTimePicker(data, input) {
        // ✅ 注意：weui.picker 需要 [[{label,value}, ...]] —— 二维数组！
        weui.picker(data, {
            title: '请选择预约时间',
            onConfirm: function (result) {
                // result 是一个数组，长度等于列数（这里1列）
                // result[0] 是选中的对象
                if (result && result[0]) {
                    input.value = result[0].label; // 显示 label
                    // 如果需要，也可以存 value 到隐藏域
                    // document.getElementById('time_value').value = result[0].value;
                }
            }
        });
    }
</script>

数据格式如下：

{
  "code": 100,
  "data": [
    "09:30 - 10:00",
    "10:00 - 10:30",
    "10:30 - 11:00",
    "11:00 - 11:30",
    "11:30 - 12:00",
    "13:30 - 14:00",
    "14:00 - 14:30",
    "14:30 - 15:00",
    "15:00 - 15:30",
    "15:30 - 16:00",
    "16:00 - 16:30",
    "16:30 - 17:00",
    "17:00 - 17:30",
    "17:30 - 18:00"
  ]
}