schoolwisdoms-student-mp/pages/Components/miniprogram_dist/poster/poster.js

const defaultOptions = {
  selector: '#poster'
};

function Poster(options = {}, that) {
  options = {
      ...defaultOptions,
      ...options,
  };

  const pages = getCurrentPages();
  let ctx = pages[pages.length - 1];
  if (that) ctx = that
  const poster = ctx.selectComponent(options.selector);
  delete options.selector;

  return poster;
};

Poster.create = (reset = false, that) => {
  const poster  = Poster({}, that);
  if (!poster) {
      console.error('请设置组件的id="poster"!!!');
  } else {
      return Poster({}, that).onCreate(reset);
  }
}

export default Poster;