feat: 添加支付宝SDK

ios/Alipay.m

@@ -1,13 +1,90 @@
 #import "Alipay.h"
+#import <AlipaySDK/AlipaySDK.h>
 
 @implementation Alipay
+{
+    NSString *alipayScheme;
+    RCTResponseSenderBlock alipayCallBack;
+}
 
 RCT_EXPORT_MODULE()
 
-RCT_EXPORT_METHOD(sampleMethod:(NSString *)stringArgument numberParameter:(nonnull NSNumber *)numberArgument callback:(RCTResponseSenderBlock)callback)
+- (instancetype)init
 {
-    // TODO: Implement some actually useful functionality
-    callback(@[[NSString stringWithFormat: @"numberArgument: %@ stringArgument: %@", numberArgument, stringArgument]]);
+    self = [super init];
+    if (self) {
+        [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(handleOpenURL:) name:@"RCTOpenURLNotification" object:nil];
+    }
+    return self;
+}
+
+- (void)dealloc
+{
+    [[NSNotificationCenter defaultCenter] removeObserver:self];
+}
+
+- (BOOL)handleOpenURL:(NSNotification *)aNotification
+{
+    NSString * aURLString =  [aNotification userInfo][@"url"];
+    NSURL * aURL = [NSURL URLWithString:aURLString];
+    if ([aURL.host isEqualToString:@"safepay"]) {
+        // 支付跳转支付宝钱包进行支付，处理支付结果
+        [[AlipaySDK defaultService] processOrderWithPaymentResult:aURL standbyCallback:^(NSDictionary *resultDic) {
+            if (self->alipayCallBack != nil) {
+                self->alipayCallBack([[NSArray alloc] initWithObjects:resultDic, nil]);
+                self->alipayCallBack = nil;
+            }
+            NSLog(@"result = %@",resultDic);
+        }];
+
+        // 授权跳转支付宝钱包进行支付，处理支付结果
+        [[AlipaySDK defaultService] processAuth_V2Result:aURL 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;
+                    }
+                }
+                // 返回结果回调
+                if (self->alipayCallBack != nil) {
+                    self->alipayCallBack([[NSArray alloc] initWithObjects:resultArr, nil]);
+                    self->alipayCallBack = nil;
+                }
+            }
+            NSLog(@"授权结果 authCode = %@", authCode?:@"");
+        }];
+    }
+    return NO;
+}
+
+RCT_EXPORT_METHOD(setAlipayScheme:(NSString *)scheme){
+    alipayScheme = scheme;
+}
+RCT_EXPORT_METHOD(alipay:(NSString *)info callback:(RCTResponseSenderBlock)callback)
+{
+    alipayCallBack = callback;
+    dispatch_async(dispatch_get_main_queue(), ^{
+        [[AlipaySDK defaultService] payOrder:info fromScheme:alipayScheme callback:^(NSDictionary *resultDic) {
+            NSLog(@"alipay:callback");
+            
+            callback([[NSArray alloc] initWithObjects:resultDic, nil]);
+        }];
+    });
+}
+
+/*! 
+ * [warn][tid:main][RCTModuleData.mm:68] Module Alipay requires main queue setup since it overrides `init` but doesn't implement `requiresMainQueueSetup`. 
+ * In a future release React Native will default to initializing all native modules on a background thread unless explicitly opted-out of.
+ */
++ (BOOL)requiresMainQueueSetup
+{
+    return YES;
 }
 
 @end