iOS 集成支付宝支付

SDK下载

集成支付宝首先是去官网下载SDK https://doc.open.alipay.com/doc2/detail.htm?treeId=54&articleId=104509&docType=1 ,这里选择SDK的时候有一个小小的注意点，当APP内集成了阿里百川的SDK时候(比如阿里云推送、OSS服务等)，请下载第二种,不然会报UTDID文件冲突错误

屏幕快照 2017-03-02 上午10.38.38.png

环境配置

官方文档关于环境配置已经写得很清楚，我就不赘述了，大家请自行前往查看 https://doc.open.alipay.com/docs/doc.htm?spm=a219a.7629140.0.0.2bhZNR&treeId=204&articleId=105295&docType=1,配置URLScheme时尽量特殊，防止与其他APP重复，当然这种概率太小！

API调用说明

• 发起支付: orderString由后端统一生成，appScheme就是环境配置中设置的URLScheme

[[AlipaySDK defaultService] payOrder:orderString
                             fromScheme:appScheme
                               callback:^(NSDictionary *resultDic) {
                                   NSLog(@"reslut = %@",resultDic);
                               }];

• 处理支付结果:在AppDelegate的以下三个方法中调用，这里调用方法单独封装出来

 - (BOOL)application:(UIApplication *)application openURL:(NSURL *)url sourceApplication:(NSString *)sourceApplication annotation:(id)annotation {
   if ([url.host isEqualToString:@"safepay"]) {
       // 从支付宝打开app
       [[DBMobilePay shareInstance] processOrderWithPaymentResultUrl:url];
   }
   return YES;
}

// NOTE: 9.0以后使用新API接口
- (BOOL)application:(UIApplication *)app
            openURL:(NSURL *)url
            options:(NSDictionary<NSString*, id> *)options {
    if ([url.host isEqualToString:@"safepay"]) {
        // 支付完成回调
        [[DBMobilePay shareInstance] processOrderWithPaymentResultUrl:url];
    }
    return YES;
}

- (BOOL)application:(UIApplication *)application handleOpenURL:(NSURL *)url{
    
    NSString * absoluteUrlStr = [url absoluteString];
    if ([url.host isEqualToString:@"safepay"]) {
        // 从支付宝打开app
        [[DBMobilePay shareInstance] processOrderWithPaymentResultUrl:url];
        
    }
    return YES;
}

// 支付跳转支付宝钱包进行支付，处理支付结果
   [[AlipaySDK defaultService] processOrderWithPaymentResult:url
                                             standbyCallback:^(NSDictionary *resultDic) {
//                                                  NSLog(@"AlipayResult = %@",resultDic);
// 在这里处理支付结果
                                                 
     }];

 // 授权跳转支付宝钱包进行支付，处理支付结果
    [[AlipaySDK defaultService] processAuth_V2Result:url
                                     standbyCallback:^(NSDictionary *resultDic) {
                                         
                                         NSLog(@"result = %@",resultDic);
                                         
                                         // 解析 auth code
                                         NSString *result = resultDic[@"result"];
                                         NSString *authCode = nil;
                                         
                                         if (result.length > 0) {
                                             
                                             NSArray *resultArr = [result componentsSeparatedByString:@"&"];
                                             
                                             for (NSString *subResult in resultArr) {
                                                 
                                                 if (subResult.length > 10 && [subResult hasPrefix:@"auth_code="]) {
                                                     
                                                     authCode = [subResult substringFromIndex:10];
                                                     
                                                     break;
                                                 }
                                             }
                                         }
                                         NSLog(@"授权结果 authCode = %@", authCode?:@"");
                                     }];