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求基于指定数组开发可滚动周视图预约日历的实现方案

周视图预约日历实现指导

一、生成日期范围数组(过去50天至未来50天)

先写工具函数生成指定范围的日期数组,格式统一为YYYY-MM-DD,和预约数据的JobDate对齐:

function generateDateRange(daysBefore, daysAfter) {
  const dateRange = [];
  const today = new Date();
  
  // 生成过去的日期
  for (let i = daysBefore; i > 0; i--) {
    const date = new Date(today);
    date.setDate(today.getDate() - i);
    dateRange.push(formatDate(date));
  }
  
  // 加入今天
  dateRange.push(formatDate(today));
  
  // 生成未来的日期
  for (let i = 1; i <= daysAfter; i++) {
    const date = new Date(today);
    date.setDate(today.getDate() + i);
    dateRange.push(formatDate(date));
  }
  
  return dateRange;
}

// 辅助函数:将Date对象转为YYYY-MM-DD格式
function formatDate(date) {
  const year = date.getFullYear();
  const month = String(date.getMonth() + 1).padStart(2, '0');
  const day = String(date.getDate()).padStart(2, '0');
  return `${year}-${month}-${day}`;
}

// 生成目标数组:过去50天到未来50天
const dateArray = generateDateRange(50, 50);

二、预处理预约数据:按日期分组并排序

提前对预约数据做分组和排序,避免渲染时重复计算,提升性能:

const appointments = [
  { "JobId": 83259, "JobDate": "2023-03-14", "StartTime": "2023-03-14 08:11:58.000" },
  { "JobId": 83297, "JobDate": "2023-03-12", "StartTime": "2023-03-12 11:35:00.000" },
  { "JobId": 83307, "JobDate": "2023-03-13", "StartTime": "2023-03-13 07:29:07.000" },
  { "JobId": 83308, "JobDate": "2023-03-13", "StartTime": "2023-03-13 07:29:51.000" }
];

// 按JobDate分组,每组内按StartTime升序排列
const groupedAppointments = appointments.reduce((acc, appt) => {
  const date = appt.JobDate;
  if (!acc[date]) {
    acc[date] = [];
  }
  acc[date].push(appt);
  // 按StartTime排序
  acc[date].sort((a, b) => new Date(a.StartTime) - new Date(b.StartTime));
  return acc;
}, {});

三、渲染周视图(手动时间槽版)

假设手动定义时间槽为7:00到18:00,每半小时一个,先定义时间槽数组,再遍历日期数组生成对应列,填充时间槽和预约:

1. 定义时间槽

// 手动生成时间槽,格式为HH:mm
const timeSlots = [];
for (let hour = 7; hour < 18; hour++) {
  timeSlots.push(`${String(hour).padStart(2, '0')}:00`);
  timeSlots.push(`${String(hour).padStart(2, '0')}:30`);
}
// 加入18:00
timeSlots.push('18:00');

2. 渲染DOM结构

<!-- 容器:横向滚动 -->
<div class="calendar-container" style="overflow-x: auto; white-space: nowrap;">
  <div id="calendar-content"></div>
</div>
const calendarContent = document.getElementById('calendar-content');

// 遍历日期数组,生成每个日期列
dateArray.forEach(date => {
  // 创建日期列容器
  const dateColumn = document.createElement('div');
  dateColumn.className = 'date-column';
  dateColumn.style.display = 'inline-block';
  dateColumn.style.width = '180px';
  dateColumn.style.border = '1px solid #eee';
  dateColumn.style.verticalAlign = 'top';
  
  // 添加日期标题
  const dateTitle = document.createElement('div');
  dateTitle.className = 'date-title';
  dateTitle.style.padding = '8px';
  dateTitle.style.textAlign = 'center';
  dateTitle.style.backgroundColor = '#f5f5f5';
  dateTitle.textContent = date;
  dateColumn.appendChild(dateTitle);
  
  // 获取当前日期的预约
  const dateAppointments = groupedAppointments[date] || [];
  
  // 遍历时间槽,生成每个时段区块
  timeSlots.forEach(slot => {
    const slotBlock = document.createElement('div');
    slotBlock.className = 'slot-block';
    slotBlock.style.height = '60px';
    slotBlock.style.borderBottom = '1px solid #eee';
    slotBlock.style.position = 'relative';
    
    // 添加时间标签
    const slotLabel = document.createElement('div');
    slotLabel.className = 'slot-label';
    slotLabel.style.fontSize = '12px';
    slotLabel.style.padding = '4px';
    slotLabel.textContent = slot;
    slotBlock.appendChild(slotLabel);
    
    // 匹配当前时间槽的预约
    const slotStart = new Date(`${date}T${slot}:00`);
    const slotEnd = new Date(slotStart.getTime() + 30 * 60 * 1000); // 半小时跨度
    
    const matchedAppts = dateAppointments.filter(appt => {
      const apptTime = new Date(appt.StartTime);
      // 判断预约是否落在当前时间槽内(或起始于该槽)
      return apptTime >= slotStart && apptTime < slotEnd;
    });
    
    // 渲染预约卡片
    matchedAppts.forEach(appt => {
      const apptCard = document.createElement('div');
      apptCard.className = 'appointment-card';
      apptCard.style.backgroundColor = '#e3f2fd';
      apptCard.style.margin = '4px';
      apptCard.style.padding = '4px';
      apptCard.style.fontSize = '12px';
      apptCard.style.borderRadius = '4px';
      apptCard.textContent = `Job ${appt.JobId}`;
      slotBlock.appendChild(apptCard);
    });
    
    dateColumn.appendChild(slotBlock);
  });
  
  calendarContent.appendChild(dateColumn);
});

四、优化滚动体验

  1. 设置容器滚动对齐,让滚动时自动对齐日期列:
.calendar-container {
  overflow-x: auto;
  white-space: nowrap;
  scroll-snap-type: x mandatory;
}
.date-column {
  scroll-snap-align: start;
}
  1. 可额外添加上周/下周按钮,通过修改容器的scrollLeft值控制滚动,或监听滚动事件显示当前可见日期范围。

内容的提问来源于stack exchange,提问作者Tony

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最近更新时间:2026.07.27 03:20:35