uni-app 获取环境平台

export enum EPlatform {
  /**App*/
  AppPlus = 'APP-PLUS',
  /**App nvue*/
  AppPlusNvue = 'APP-PLUS-NVUE',
  /**H5*/
  H5 = 'H5',
  /**微信小程序*/
  MpWeixin = 'MP-WEIXIN',
  /**支付宝小程序*/
  MpAlipay = 'MP-ALIPAY',
  /**百度小程序*/
  MpBaidu = 'MP-BAIDU',
  /**字节跳动小程序*/
  MpToutiao = 'MP-TOUTIAO',
  /**QQ小程序*/
  MpQq = 'MP-QQ',
  /**360小程序*/
  Mp360 = 'MP-360',
  /**微信小程序/支付宝小程序/百度小程序/字节跳动小程序/QQ小程序/360小程序*/
  Mp = 'MP',
  /**快应用通用(包含联盟、华为)*/
  QuickappWebview = 'quickapp-webview',
  /**快应用联盟*/
  QuickappWebviewUnion = 'quickapp-webview-union',
  /**快应用华为*/
  QuickappWebviewHuawei = 'quickapp-webview-huawei',
}

/**使用条件编译获取平台信息*/
function ifDefPlatform(): EPlatform {
  let platform: EPlatform

  //#ifdef APP-PLUS
  platform = EPlatform.AppPlus
  //#endif

  //#ifdef APP-PLUS-NVUE
  platform = EPlatform.AppPlusNvue
  //#endif

  //#ifdef H5
  platform = EPlatform.H5
  //#endif

  //#ifdef MP-WEIXIN
  platform = EPlatform.MpWeixin
  //#endif

  //#ifdef MP-ALIPAY
  platform = EPlatform.MpAlipay
  //#endif

  //#ifdef MP-BAIDU
  platform = EPlatform.MpBaidu
  //#endif

  //#ifdef MP-TOUTIAO
  platform = EPlatform.MpToutiao
  //#endif

  //#ifdef MP-QQ
  platform = EPlatform.MpQq
  //#endif

  //#ifdef MP-360
  platform = EPlatform.Mp360
  //#endif

  //#ifdef MP
  platform = EPlatform.Mp
  //#endif

  //#ifdef quickapp-webview
  platform = EPlatform.QuickappWebview
  //#endif

  //#ifdef quickapp-webview-union
  platform = EPlatform.QuickappWebviewUnion
  //#endif

  //#ifdef quickapp-webview-huawei
  platform = EPlatform.QuickappWebviewHuawei
  //#endif

  return platform
}

/**平台类型*/
export const Platform: EPlatform = ifDefPlatform()
/**默认导出平台类型*/
export default Platform

export const isH5 = Platform === EPlatform.H5
export const isAppPlus = Platform === EPlatform.AppPlus
export const isMpWeixin = Platform === EPlatform.MpWeixin