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IOS --支付宝SDK 分解讲解

2017-01-13 18:07 183 查看
开发在手机端的时候(客户端),我们主要负责客户端(手机端)的开发,所以那些繁琐的到支付宝官网填写商户信息可以留给后台去弄,后台只要把:

1回调地址,

2app的ID,

3商户的私钥(privateKey),

4商户ID(partner),

5支付宝账号(seller),提供给你就好了。

如果想学习怎么在支付宝填写商户信息的话可以官网按着步骤来:
https://b.alipay.com/signing/productDetail.htm?productId=I1011000290000001002 秘钥的设置可以参考支付宝官网:
https://doc.open.alipay.com/doc2/detail.htm?spm=a219a.7629140.0.0.kDer5c&treeId=58&articleId=103578&docType=1
这里我主要讲支付宝SDK如何放到项目里(客户端):
1。首先下载支付宝SDK(dome也下载下来),准备好这些文件:



2.在项目里配置好支付宝SDK所需的框架



3.导入后,运行运行项目,会发现报错,这样你要按照支付宝提供的方法添加路径(因为项目中不能识别某个文件):#include<openssl/asn1.h>

点击项目名称,点击“Build Settings”选项卡,在搜索框中,以关键字“search”搜索,对“Header Search Paths”增加头文件路径:$(SRCROOT)/项目名称。如果头文件信息已增加,可不必再增加。



4,之后就要配置跳转的URL Types :

点击项目名称,点击“Info”选项卡,在“URL Types”选项中,点击“+”,在“URL Schemes”中输入“alisdkdemo”。“alisdkdemo”来自于文件“APViewController.m”的NSString *appScheme = @“alisdkdemo”;。

注意:这里的URL Schemes中输入的alisdkdemo,为测试demo,实际商户的app中要填写独立的scheme,建议跟商户的app有一定的标示度,要做到和其他的商户app不重复,否则可能会导致支付宝返回的结果无法正确跳回商户app。



5.最后要记得配置 支付宝白名单 ,在info.plist设置



这样配置就完成了,最后是代码的调用了。

6.1在appdelegate

#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

6.1ViewController

#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

6.3 Product.h

#import <Foundation/Foundation.h>

@interface Product : NSObject

@property (nonatomic, copy) NSString* productName;

@property (nonatomic, assign) float price;

@end
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