xinda-miniprogram/src/utils/page.ts

/**
 * 使用方法：
 * 1、app.js 引入此文件：const page = require('xx/xx/page);
 * 2、app.js onLaunch 的时候 Page = page
 */

const originalPage = Page;

function page(config: WechatMiniprogram.Page.Instance<WechatMiniprogram.IAnyObject, WechatMiniprogram.IAnyObject>) {
  const originalOnLoad = config.onLoad;
  config.onLoad = function (options) {
    setImageParams(this);
    setNavBar(this);

    if (originalOnLoad) {
      originalOnLoad.call(this, options);
    }
  };

  const originalOnPageScroll = config.onPageScroll;
  config.onPageScroll = function (options): void {
    const scrollTop = options?.scrollTop;
    let background = 'transparent';
    if (Number(scrollTop) > 20) {
      background = '#ffffff';
    }
    this.setData({
      background,
    });
    if (originalOnPageScroll) {
      originalOnPageScroll.call(this, options);
    }
  };

  const originalOnShareAppMessage = config.onShareAppMessage;
  config.onShareAppMessage = function (options) {
    if (originalOnShareAppMessage) {
      return originalOnShareAppMessage.call(this, options);
    } else {
      const date = new Date();
      const Timestamp = date.getTime();

      const pages = getCurrentPages();
      const currentPage = pages[pages.length - 1];
      const url = currentPage.route;
      const options = currentPage.options;
      let urlWithArgs = `${url}?`;
      for (const key in options) {
        const value = options[key];
        urlWithArgs += `${key}=${value}&`;
      }
      urlWithArgs = urlWithArgs.substring(0, urlWithArgs.length - 1);

      return {
        title: '甲状腺眼病TED规范化诊治中心',
        path: url,
        // imageUrl: `${getApp().globalData.imageUrl}1/1.png?t=${Timestamp}`,
      };
    }
  };

  config.handleMakePhoneCall = function () {
    wx.makePhoneCall({
      phoneNumber: '4008102299',
    });
  };
  return originalPage(config);
}

function setImageParams(
  currPage: WechatMiniprogram.Page.Instance<WechatMiniprogram.IAnyObject, WechatMiniprogram.IAnyObject>,
) {
  const date = new Date();
  const Timestamp = date.getTime();
  currPage.setData({
    imageUrl: getApp().globalData.imageUrl,
    Timestamp,
  });
}

function setNavBar(
  currPage: WechatMiniprogram.Page.Instance<WechatMiniprogram.IAnyObject, WechatMiniprogram.IAnyObject>,
) {
  currPage.setData({
    background: 'transparent',
    pageTop: wx.getMenuButtonBoundingClientRect().bottom,
  });
}

export default page;