更新UI

keyBoard/Class/Pay/VM/PayVM.h

@@ -0,0 +1,33 @@
+//
+//  PayVM.h
+//  支付相关 VM：封装 Apple IAP 验签请求
+//
+
+#import <Foundation/Foundation.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+/// 统一的支付回调：sta 为状态码（0 成功，非 0 失败），msg 为后端返回的消息
+typedef void(^KBPayCompletion)(NSInteger sta, NSString * _Nullable msg);
+
+/// 统一状态码（与原 Swift 代码的 succCode / errorCode 语义一致）
+#ifndef KB_PAY_SUCC_CODE
+#define KB_PAY_SUCC_CODE 0
+#endif
+#ifndef KB_PAY_ERROR_CODE
+#define KB_PAY_ERROR_CODE 1
+#endif
+
+@interface PayVM : NSObject
+
+/// Apple 内购验签
+/// params 形如：@{ @"payment": @{ @"receipt": receipt, @"type": @(type) } }
+/// needShow：是否显示加载 HUD
+- (void)applePayReqWithParams:(NSDictionary *)params
+                     needShow:(BOOL)needShow
+                   completion:(KBPayCompletion)completion;
+
+@end
+
+NS_ASSUME_NONNULL_END
+

keyBoard/Class/Pay/VM/PayVM.m

@@ -0,0 +1,65 @@
+//
+//  PayVM.m
+//
+
+#import "PayVM.h"
+#import "KBNetworkManager.h"
+#import "KBAPI.h"
+#import "KBHUD.h"
+
+@implementation PayVM
+
+- (void)applePayReqWithParams:(NSDictionary *)params
+                     needShow:(BOOL)needShow
+                   completion:(KBPayCompletion)completion {
+    if (needShow) { [KBHUD show]; }
+
+    [[KBNetworkManager shared] POST:KB_API_IAP_VERIFY jsonBody:params headers:nil completion:^(id  _Nullable jsonOrData, NSURLResponse * _Nullable response, NSError * _Nullable error) {
+        if (needShow) { [KBHUD dismiss]; }
+
+        if (error) {
+            if (completion) completion(KB_PAY_ERROR_CODE, error.localizedDescription ?: @"网络错误");
+            return;
+        }
+
+        NSInteger sta = [self.class extractStatusFromResponseObject:jsonOrData response:response];
+        NSString *msg = [self.class extractMessageFromResponseObject:jsonOrData] ?: (sta == KB_PAY_SUCC_CODE ? @"OK" : @"失败");
+        if (completion) completion(sta, msg);
+    }];
+}
+
+#pragma mark - Helpers
+
++ (NSInteger)extractStatusFromResponseObject:(id)obj response:(NSURLResponse *)resp {
+    // 优先从 JSON 提取 code/status/success
+    if ([obj isKindOfClass:NSDictionary.class]) {
+        NSDictionary *d = (NSDictionary *)obj;
+        id code = d[@"code"] ?: d[@"status"] ?: d[@"retcode"];
+        if ([code isKindOfClass:NSNumber.class]) {
+            return [((NSNumber *)code) integerValue] == 0 ? KB_PAY_SUCC_CODE : KB_PAY_ERROR_CODE;
+        }
+        if ([code isKindOfClass:NSString.class]) {
+            // 常见："0" 视为成功
+            return [((NSString *)code) integerValue] == 0 ? KB_PAY_SUCC_CODE : KB_PAY_ERROR_CODE;
+        }
+        id success = d[@"success"] ?: d[@"ok"];
+        if ([success respondsToSelector:@selector(boolValue)]) {
+            return [success boolValue] ? KB_PAY_SUCC_CODE : KB_PAY_ERROR_CODE;
+        }
+    }
+    // 无明显字段，按 HTTP 2xx 视为成功
+    NSInteger http = 0;
+    if ([resp isKindOfClass:NSHTTPURLResponse.class]) { http = ((NSHTTPURLResponse *)resp).statusCode; }
+    return (http >= 200 && http < 300) ? KB_PAY_SUCC_CODE : KB_PAY_ERROR_CODE;
+}
+
++ (NSString *)extractMessageFromResponseObject:(id)obj {
+    if (![obj isKindOfClass:NSDictionary.class]) return nil;
+    NSDictionary *d = (NSDictionary *)obj;
+    NSString *msg = d[@"message"] ?: d[@"msg"] ?: d[@"error"];
+    if (![msg isKindOfClass:NSString.class]) msg = nil;
+    return msg;
+}
+
+@end
+