weixin/miniprogram_npm/lin-ui/calendar/components/day/index.wxs

function getDayStyle(type, color) {
  var style = [];

  if (color) {
    if (
      type === 'start' ||
      type === 'end' ||
      type === 'selected'
    ) {
      style.push(['background', color]);
    } else if (type === 'middle') {
      style.push(['color', color]);
      // style.push(['background', color]);
      // style.push(['opacity', '0.1']);
    }
  }

  return style
    .map(function(item) {
      return item.join(':');
    })
    .join(';');
}

module.exports = {
  getDayStyle: getDayStyle,
};