iOS支付宝支付总结

#pragma mark   ==============支付宝支付==============
- (void)alipay:(NSDictionary *)dic{//只包含支付订单号
    
    /*
     *生成订单信息及签名
     */
    //将商品信息赋予AlixPayOrder的成员变量
    NSString *serviceStr;
    switch (_serviceType) {
        case kXWServerTypeRecruit:
            serviceStr = @"招聘合同";
            break;
        case kXWServerTypeTurnShop:
            serviceStr = @"转店合同";
            break;
        case kXWServerTypeFindShop:
            serviceStr = @"找店合同";
            break;
        default:
            break;
    }
    self.orderItem.partner = kPartnerID;
    self.orderItem.seller = kSellerAccount;
    self.orderItem.tradeNO = dic[@"tradeNo"]; //订单ID（由商家自行制定）
    self.orderItem.productName = serviceStr; //商品标题
    self.orderItem.productDescription = @"开通服务后可以使用该服务"; //商品描述
    self.orderItem.amount = [NSString stringWithFormat:@"%.2f",0.01/*_price*/]; //商品价格
    self.orderItem.notifyURL = kNotifyURL; //回调URL
    
    self.orderItem.service = @"mobile.securitypay.pay";
    self.orderItem.paymentType = @"1";
    self.orderItem.inputCharset = @"utf-8";
    self.orderItem.itBPay = @"30m";
    self.orderItem.showUrl = @"m.alipay.com";
    
    //将商品信息拼接成字符串
    NSString *orderSpec = [self.orderItem description];
    DLog(@"orderSpec = %@",orderSpec);
    
    NSString *signedString = [self genSignedString:orderSpec withKey:kPrivateKey];//签名如果私钥和公钥配对不成功，会生成订单失败
    
    NSString *orderString = nil;
    if (signedString != nil) {
        orderString = [NSString stringWithFormat:@"%@&sign=\"%@\"&sign_type=\"%@\"", orderSpec, signedString, @"RSA"];

        [[AlipaySDK defaultService] payOrder:orderString fromScheme:kAppScheme callback:^(NSDictionary *resultDic) {
            NSLog(@"reslut = %@",resultDic);
            
            NSDictionary *dict = (NSDictionary *)resultDic;
            NSString *resultStatus = [dict valueForKey:@"resultStatus"];
            
            if ([resultStatus isEqualToString:@"9000"]) {
                //成功
                [XWPrompt showPromptMessage:@"支付成功"];
                XWPaySuccessViewController *paySuccessVC = [[XWPaySuccessViewController alloc]init];
                paySuccessVC.payType = kPayWayTypeAlipay;
                paySuccessVC.servicetype = _serviceType;
                paySuccessVC.customerServiceDic = _customerServiceDic;
                [self.signPayVC.navigationController pushViewController:paySuccessVC animated:YES]
                ;
            }else if([resultStatus isEqualToString:@"6001"]){
                [XWPrompt showPromptMessage:@"用户取消支付"];
            }else{
                //支付成功，处理
                [XWPrompt showPromptMessage:@"订单支付失败"];
            }
            
        }];
    } else {
        [XWPrompt showPromptMessage:@"订单支付失败"];
    }

}

- (BOOL)application:(UIApplication *)application openURL:(NSURL *)url sourceApplication:(NSString *)sourceApplication annotation:(id)annotation
{
 
    //如果极简开发包不可用，会跳转支付宝钱包进行支付，需要将支付宝钱包的支付结果回传给开发包
    if ([url.host isEqualToString:@"safepay"]) {
        [[AlipaySDK defaultService] processOrderWithPaymentResult:url standbyCallback:^(NSDictionary *resultDic) {
    //【由于在跳转支付宝客户端支付的过程中，商户app在后台很可能被系统kill了，所以pay接口的callback就会失效，请商户对standbyCallback返回的回调结果进行处理,就是在这个方法里面处理跟callback一样的逻辑】
            NSLog(@"result = %@",resultDic);
        }];
    }
    if ([url.host isEqualToString:@"platformapi"]){//支付宝钱包快登授权返回authCode
  
        [[AlipaySDK defaultService] processAuthResult:url standbyCallback:^(NSDictionary *resultDic) {
            //【由于在跳转支付宝客户端支付的过程中，商户app在后台很可能被系统kill了，所以pay接口的callback就会失效，请商户对standbyCallback返回的回调结果进行处理,就是在这个方法里面处理跟callback一样的逻辑】
            NSLog(@"result = %@",resultDic);
        }];
    }
    return YES;
}