fullcalendar v5.9中每个资源的标题颜色不同

document.addEventListener('DOMContentLoaded', function() {
  var calendarEl = document.getElementById('calendar');

  var calendar = new FullCalendar.Calendar(calendarEl, {
    // 设置资源
    resources: [
      { id: 'a', title: 'Resource A', color: 'red' },
      { id: 'b', title: 'Resource B', color: 'blue' },
      { id: 'c', title: 'Resource C', color: 'green' }
    ],
    // 设置事件
    events: [
      { id: '1', resourceId: 'a', title: 'Event 1' },
      { id: '2', resourceId: 'b', title: 'Event 2' },
      { id: '3', resourceId: 'c', title: 'Event 3' }
    ],
    // 事件渲染函数
    eventRender: function(info) {
      // 获取资源的颜色
      var resourceColor = info.resource.extendedProps.color;
      // 设置标题颜色
      info.el.querySelector('.fc-event-title').style.color = resourceColor;
    }
  });

  calendar.render();
});