[移动开发]uniapp区分不同平台

单独写的公用方法，注：mpass项目的小程序都会被判定为MP

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