ali-jump/src/index.js

Applicable to Alipay small program universal jump.

/**
 * 万能跳转
 * @param {*} page  小程序页面路径 或 h5链接
 * @param {*} appId appid  或 h5链接
 */
export function UniversalJump(page, appId) {
  let type = checkUrlType(appId)
  let url = appId;
  switch (type) {
    case 'taobao':
      url = decodeURIComponent(url)
      while (url.indexOf('?') != -1 || url.indexOf('&') != -1) {
        url = url.replace('?', "zsygwh")
        url = url.replace('&', "zsygad")
        url = url.replace(/&/g, "zsygad")
      }
      let { platform } = my.getSystemInfoSync(); 
      if (platform == 'Android') {
        url = `https://www.zhisanzhao.com/taobao_jump_android.html?${url}`
      } else {
        url = `https://www.zhisanzhao.com/taobao_jump_ios.html?${url}`
      }
      my.ap.navigateToAlipayPage({
        path: encodeURIComponent('https://render.alipay.com/p/s/i/?scheme=alipays%3A%2F%2Fplatformapi%2Fstartapp%3FsaId%3D20000067%26url%3D' + encodeURIComponent(encodeURIComponent(url)))
      })
      break;
    case 'h5Scan':
      url = `alipays://platformapi/startapp?saId=10000007&qrcode=${url}`
      my.ap.navigateToAlipayPage({
        path: encodeURIComponent(`https://render.alipay.com/p/s/i/?scheme=${encodeURIComponent(url)}`)
      })
      break;
    case 'render':
      my.ap.navigateToAlipayPage({
        path: encodeURIComponent(url)
      })
      break;
    case 'h5':
      my.ap.navigateToAlipayPage({
        path: encodeURIComponent(`https://render.alipay.com/p/s/i/?scheme=alipays%3A%2F%2Fplatformapi%2Fstartapp%3FsaId%3D20000067%26url%3D${encodeURIComponent(encodeURIComponent(url))}`)
      })
      break;
    case 'alipays':
      my.ap.navigateToAlipayPage({
        path: encodeURIComponent(`https://render.alipay.com/p/s/i/?scheme=${encodeURIComponent(url)}`)
      })
      break;
    case 'mini':
      page = decodeURIComponentFun(page, 2)
      let pageObj = handleMiniJump(page);
      let params = {
        appId
      }
      if (pageObj.path) params.path = pageObj.path
      if (pageObj.query) params.extraData = pageObj.query
      let { appId: nowAppId } = my.getAppIdSync(); 
      if (params.appId == nowAppId) {
        my.navigateTo({
          url: `/${params.path}`
        })
      } else my.navigateToMiniProgram(params);
      
      break;
    default:
      my.alert({
        title: '提示',
        content: '跳转失败,请检查链接或稍后重试',
        buttonText: '我知道了'
      });
      break;
  }
}

/**
 * 判断类型
 * 
 * H5类型&&alipays: url url
 * 小程序: page  appId
 */
function checkUrlType(appId) {
  let type;
  if (appId.startsWith("tbopen://")) {
    type = 'taobao' //淘宝
  } else if (appId.startsWith("https://qr.alipay.com/")) {
    type = 'h5Scan' //支付宝H5扫码
  } else if (appId.startsWith("https://render.alipay.com/p/")) {
    type = 'render' //支付宝render
  } else if (appId.startsWith("http")) {
    type = 'h5' //H5链接
  } else if (appId.startsWith("alipays")) {
    type = 'alipays' //alipays链接
  } else if (Number(appId) > 10000) {
    type = 'mini' //小程序跳转
  } else {
    type = 'unkown'
  }
  return type;

}


/**
 * 处理各种alipays链接
 */
function handleEveryAlipaysUrl(url) {
  let appIdPart, pathPart, pagesPart, paramsPart;
  appIdPart = url.substring(0, 53)
  if (url.length > 53) pathPart = url.substring(53, url.length); //获取路径+参数部分

  // 判断有没有全局query参数
  if (pathPart && pathPart.includes('&query=')) {
     pagesPart = pathPart.substring(0, pathPart.indexOf('&query='))
     paramsPart = pathPart.substring(pathPart.indexOf('&query='), pathPart.length)
  } else {
    pagesPart = pathPart
  }

  //判断页面路径中有没有页面参数
  if (pagesPart && pagesPart.includes('?') ) {
    let pageLfet, pageRight;
    pageLfet = pagesPart.substring(0, pagesPart.indexOf('?') + 1)
    pageRight = pagesPart.substring(pagesPart.indexOf('?') + 1, pagesPart.length)
    pagesPart = `${pageLfet}${encodeURIComponent(pageRight)}`
  }


  // 处理全局参数
  if (paramsPart && paramsPart.includes('&query=')) {
    paramsPart = `&query=${encodeURIComponent(paramsPart.substring(paramsPart.indexOf('=') + 1, paramsPart.length))}`
  }

  let handleUrl = `${appIdPart}${pagesPart || ''}${paramsPart || ''}`

  return handleUrl
}

/**
 * 编码链接
 */
function encodeURIComponentFun(url, times) {
  let i = 0 ;
  while (i < times) {
    url = encodeURIComponent(url)
    i++
  }
  return url
}

/**
 * 解码链接
 */
function decodeURIComponentFun(url, times) {
  let i = 0 ;
  while (i < times) {
    url = decodeURIComponent(url)
    i++
  }
  return url
}

/**
 * 处理小程序跳转方式时的参数
 */
function handleMiniJump(page) {
  let path,query;
  if (page && page.includes('&query=')) {
    path = page.substring(0, page.indexOf('&query='))
    query = page.substring(page.indexOf('&query='), page.length)
  } else {
    path = page
  }

  if (query && query.includes('&query=')) {
    let queryObject = {};
    query = query.substring(query.indexOf('=') + 1, query.length)
    var dataArr = query.split("&");
    //获取要跳转的小程序的path
    for (var i = 0; i < dataArr.length; i++) {
      var row = dataArr[i];
      var eqIndex = row.indexOf("=");
      if (eqIndex > -1) {
        queryObject[row.substring(0, eqIndex)] = row.substring(eqIndex + 1);
      }
    }
    query = queryObject
  }

  return { path, query}
}