问题一
//向微信注册wxd930ea5d5a258f4f
// [WXApi registerApp:@"wxb4ba3c02aa476ea1" withDescription:@"demo 2.0"];
//
// NSString *stamp = @"1471399657";
// // 调起微信支付
// PayReq* req = [[PayReq alloc] init];
// req.partnerId = @"1305176001";
// req.prepayId = @"wx20160817100737ae5999bae30764281818";
// req.nonceStr = @"9caa9911cd5d1d692b2e12fbe9aaa729";
// req.timeStamp = stamp.intValue;
// req.package = @"Sign=WXPay";
// req.sign = @"4CE739989C36B927BB0A5052D6A46823";
// [WXApi sendReq:req];
