#import <UIKit/UIKit.h>
#import "Product.h"

@protocol  alipyDelegate <NSObject>

-(void)alipydidSuccess;
-(void)alipydidFaile;

@end
@interface AppDelegate : UIResponder <UIApplicationDelegate>

@property (strong, nonatomic) UIWindow *window;
@property (weak  , nonatomic) id<alipyDelegate> aliDelegate;

-(void)payByAlipay:(Product *)product;
@end

#import "AppDelegate.h"
#import <AlipaySDK/AlipaySDK.h>
#import "Product.h"
#import "Order.h"
#import "DataSigner.h"

@interface AppDelegate ()

@end

@implementation AppDelegate


- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
    // Override point for customization after application launch.
    return YES;
}


-(BOOL)application:(UIApplication *)app openURL:(NSURL *)url options:(NSDictionary<NSString *,id> *)options{
    [self alipayUrlAction:url];
     return YES;
}



-(BOOL)application:(UIApplication *)application openURL:(NSURL *)url sourceApplication:(NSString *)sourceApplication annotation:(id)annotation{
    //有多中支付方式，要用scheme 来进行判断，看是那种途径的url.
    [self alipayUrlAction:url];
    return YES;
}

-(BOOL)application:(UIApplication *)application handleOpenURL:(NSURL *)url{
    [self alipayUrlAction:url];
     return YES;
}

-(void)alipayUrlAction:(NSURL *)url{
    [[AlipaySDK defaultService] processOrderWithPaymentResult:url standbyCallback:^(NSDictionary *resultDic) {
        if ([[resultDic valueForKey:@"resultStatus"] intValue] == 9000) {
            if ([_aliDelegate respondsToSelector:@selector(alipydidSuccess)]) {
                [_aliDelegate alipydidSuccess];
            }
        }else{
            if ([_aliDelegate respondsToSelector:@selector(alipydidFaile)]) {
                [_aliDelegate alipydidFaile];
            }
        }
    }];
}

-(void)payByAlipay:(Product *)product{
    
    /*
     *商户的唯一的parnter和seller。
     *签约后，支付宝会为每个商户分配一个唯一的 parnter 和 seller。
     */
    
    /*============================================================================*/
    /*=======================需要填写商户app申请的===================================*/
    /*============================================================================*/
    
    NSString *partner = @"";        //商户id
    NSString *seller = @"";         //账户id  签约账号。
    NSString *privateKey = @"";     // md5
    //partner和seller获取失败,提示
    if ([partner length] == 0 ||
        [seller length] == 0 ||
        [privateKey length] == 0)
    {
        UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"提示"
                                                        message:@"缺少partner或者seller或者私钥。"
                                                       delegate:self
                                              cancelButtonTitle:@"确定"
                                              otherButtonTitles:nil];
        [alert show];
        return;
    }
    
    /*
     *生成订单信息及签名
     */
    //将商品信息赋予AlixPayOrder的成员变量
    Order *order = [[Order alloc] init];
    order.partner = partner;
    order.sellerID = seller;
    order.outTradeNO = @"xxxxxx"; //订单ID（由商家自行制定）
    order.subject = product.productName; //商品标题
    order.body = product.productName; //商品描述
    order.totalFee = [NSString stringWithFormat:@"%.2f",product.price]; //商品价格
    order.notifyURL =  @"http://www.xxx.com"; //回调URL
    
    order.service = @"mobile.securitypay.pay";
    order.paymentType = @"1";
    order.inputCharset = @"utf-8";
    order.itBPay = @"30m";
    order.showURL = @"m.alipay.com";
    
    //应用注册scheme,在AlixPayDemo-Info.plist定义URL types
    NSString *appScheme = @"alisdkdemo";
    
    //将商品信息拼接成字符串
    NSString *orderSpec = [order description];
    NSLog(@"orderSpec = %@",orderSpec);
    
    //获取私钥并将商户信息签名,外部商户可以根据情况存放私钥和签名,只需要遵循RSA签名规范,并将签名字符串base64编码和UrlEncode
    id<DataSigner> signer = CreateRSADataSigner(privateKey);
    NSString *signedString = [signer signString:orderSpec];
    
    //将签名成功字符串格式化为订单字符串,请严格按照该格式
    NSString *orderString = nil;
    if (signedString != nil) {
        orderString = [NSString stringWithFormat:@"%@&sign=\"%@\"&sign_type=\"%@\"",
                       orderSpec, signedString, @"RSA"];
        
        [[AlipaySDK defaultService] payOrder:orderString fromScheme:appScheme callback:^(NSDictionary *resultDic) {
            NSLog(@"reslut = %@",resultDic);
            
            if ([[resultDic valueForKey:@"resultStatus"] intValue] == 9000) {  //成功
                if ([_aliDelegate respondsToSelector:@selector(alipydidSuccess)]) {
                    [_aliDelegate alipydidSuccess];
                }
            }else{  //失败
                if ([_aliDelegate respondsToSelector:@selector(alipydidFaile)]) {
                    [_aliDelegate alipydidFaile];
                }
            }

            
        }];
    }

}

@end

#import <UIKit/UIKit.h>

@interface ViewController : UIViewController


@end

#import "ViewController.h"
#import "Product.h"
#import "Order.h"
#import <AlipaySDK/AlipaySDK.h>
#import "AppDelegate.h"

@interface ViewController ()<UITableViewDelegate,UITableViewDataSource>
@property (weak, nonatomic) IBOutlet UITableView *myTableView;
@property(nonatomic, strong)NSMutableArray *productList;
@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    [self generateData];
}
#pragma mark -
#pragma mark   ==============产生随机订单号==============


- (NSString *)generateTradeNO
{
    static int kNumber = 15;
    
    NSString *sourceStr = @"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
    NSMutableString *resultStr = [[NSMutableString alloc] init];
    srand((unsigned)time(0));
    for (int i = 0; i < kNumber; i++)
    {
        unsigned index = rand() % [sourceStr length];
        NSString *oneStr = [sourceStr substringWithRange:NSMakeRange(index, 1)];
        [resultStr appendString:oneStr];
    }
    return resultStr;
}



#pragma mark -
#pragma mark   ==============产生订单信息==============

- (void)generateData{
//    NSArray *subjects = @[@"1",
//                          @"2",@"3",@"4",
//                          @"5",@"6",@"7",
//                          @"8",@"9",@"10"];
    NSArray *body = @[@"我是测试数据",
                      @"我是测试数据",
                      @"我是测试数据",
                      @"我是测试数据",
                      @"我是测试数据",
                      @"我是测试数据",
                      @"我是测试数据",
                      @"我是测试数据",
                      @"我是测试数据",
                      @"我是测试数据"];
    
    self.productList = [[NSMutableArray alloc] init];
    
    for (int i = 0; i < [body count]; ++i) {
        Product *product = [[Product alloc] init];
        product.productName = [body objectAtIndex:i];
        product.price = 0.01f+pow(10,i-2);
        [self.productList addObject:product];
    }
}


#pragma mark -
#pragma mark UITableViewDelegate
- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
{
    return 55.0f;
}

#pragma mark -
#pragma mark UITableViewDataSource
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    return [self.productList count];
}




//
//用TableView呈现测试数据,外部商户不需要考虑
//
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    UITableViewCell *cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle
                                                   reuseIdentifier:@"Cell"];
    
    Product *product = [self.productList objectAtIndex:indexPath.row];
    
    cell.textLabel.text = product.productName;
    cell.detailTextLabel.text = [NSString stringWithFormat:@"一口价：%.2f",product.price];
    
    return cell;
}


#pragma mark -
#pragma mark   ==============点击订单模拟支付行为==============
//
//选中商品调用支付宝极简支付
//
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
    /*
     *点击获取prodcut实例并初始化订单信息
     */
    Product *product = [self.productList objectAtIndex:indexPath.row];
    AppDelegate *appdele = (AppDelegate *)[UIApplication sharedApplication].delegate;
    [appdele payByAlipay:product];
  
      [tableView deselectRowAtIndexPath:indexPath animated:YES];
}


- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

@end

#import <Foundation/Foundation.h>

@interface Product : NSObject

@property (nonatomic, copy)   NSString* productName;
@property (nonatomic, assign) float price;

@end

#import "Product.h"

@implementation Product

@end