以下是签约免密支付的拉起代码，请查看。 WXOpenBusinessWebViewReq *req = [[WXOpenBusinessWebViewReq alloc] init]; req.businessType = 12; NSMutableDictionary *queryInfoDic = [NSMutableDictionary dictionary]; [queryInfoDic setObject:url forKey:@"pre_entrustweb_id"]; req.queryInfoDic = queryInfoDic; [WXApi sendReq:req completion:^(BOOL success) {}];