ixin_MP_AdvancedAPIs_InvoiceApi_GetBillAuthUrlAsync">GetBillAuthUrlAsync 方法 </a></div><div class="toclevel2" data-toclevel="2"><a data-tochassubtree="false" href="../html/M_Senparc_Weixin_MP_AdvancedAPIs_InvoiceApi_GetContact.htm" title="GetContact 方法 " tocid="M_Senparc_Weixin_MP_AdvancedAPIs_InvoiceApi_GetContact">GetContact 方法 </a></div><div class="toclevel2 current" data-toclevel="2"><a data-tochassubtree="false" href="../html/M_Senparc_Weixin_MP_AdvancedAPIs_InvoiceApi_GetContactAsync.htm" t