lAsync 方法 </a></div><div class="toclevel2" data-toclevel="2"><a data-tochassubtree="false" href="../html/M_Senparc_Weixin_MP_AdvancedAPIs_InvoiceApi_GetBillAuthUrl.htm" title="GetBillAuthUrl 方法 " tocid="M_Senparc_Weixin_MP_AdvancedAPIs_InvoiceApi_GetBillAuthUrl">GetBillAuthUrl 方法 </a></div><div class="toclevel2" data-toclevel="2"><a data-tochassubtree="false" href="../html/M_Senparc_Weixin_MP_AdvancedAPIs_InvoiceApi_GetBillAuthUrlAsync.htm" title="GetBillAuthUrlAsync 方法 " tocid="M_Senparc_We