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处理网络请求

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CodeST
2025-10-28 16:11:35 +08:00
parent f28f7de49d
commit 02dd204744
1 changed files with 52 additions and 55 deletions
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107
CustomKeyboard/Network/KBNetworkManager.m
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@@ -4,11 +4,12 @@
//
#import "KBNetworkManager.h"
#import <AFNetworking/AFNetworking.h>
NSErrorDomain const KBNetworkErrorDomain = @"com.company.keyboard.network";
@interface KBNetworkManager ()
@property (nonatomic, strong) NSURLSession *session; // 懒创建，ephemeral 配置
@property (nonatomic, strong) AFHTTPSessionManager *manager; // AFN 管理器（ephemeral 配置）
// 私有错误派发
- (void)fail:(KBNetworkError)code completion:(KBNetworkCompletion)completion;
@end
@@ -36,12 +37,17 @@ NSErrorDomain const KBNetworkErrorDomain = @"com.company.keyboard.network";
headers:(NSDictionary<NSString *,NSString *> *)headers
completion:(KBNetworkCompletion)completion {
if (![self ensureEnabled:completion]) return nil;
NSURL *url = [self buildURLWithPath:path params:parameters];
if (!url) { [self fail:KBNetworkErrorInvalidURL completion:completion]; return nil; }
NSMutableURLRequest *req = [NSMutableURLRequest requestWithURL:url cachePolicy:NSURLRequestReloadIgnoringLocalCacheData timeoutInterval:self.timeout];
req.HTTPMethod = @"GET";
[self applyHeaders:headers toRequest:req contentType:nil];
return [self startTaskWithRequest:req completion:completion];
NSString *urlString = [self buildURLStringWithPath:path];
if (!urlString) { [self fail:KBNetworkErrorInvalidURL completion:completion]; return nil; }
// 使用 AFHTTPRequestSerializer 生成带参数与头的请求
AFHTTPRequestSerializer *serializer = [AFHTTPRequestSerializer serializer];
serializer.timeoutInterval = self.timeout;
NSMutableURLRequest *req = [serializer requestWithMethod:@"GET"
URLString:urlString
parameters:parameters
error:NULL];
[self applyHeaders:headers toMutableRequest:req contentType:nil];
return [self startAFTaskWithRequest:req completion:completion];
}
- (NSURLSessionDataTask *)POST:(NSString *)path
@@ -49,21 +55,19 @@ NSErrorDomain const KBNetworkErrorDomain = @"com.company.keyboard.network";
headers:(NSDictionary<NSString *,NSString *> *)headers
completion:(KBNetworkCompletion)completion {
if (![self ensureEnabled:completion]) return nil;
NSURL *url = [self buildURLWithPath:path params:nil];
if (!url) { [self fail:KBNetworkErrorInvalidURL completion:completion]; return nil; }
NSMutableURLRequest *req = [NSMutableURLRequest requestWithURL:url cachePolicy:NSURLRequestReloadIgnoringLocalCacheData timeoutInterval:self.timeout];
req.HTTPMethod = @"POST";
NSData *body = nil;
if (jsonBody) {
if ([NSJSONSerialization isValidJSONObject:jsonBody]) {
body = [NSJSONSerialization dataWithJSONObject:jsonBody options:0 error:NULL];
} else if ([jsonBody isKindOfClass:[NSData class]]) {
body = (NSData *)jsonBody; // 允许直接传入 NSData
}
}
if (body) req.HTTPBody = body;
[self applyHeaders:headers toRequest:req contentType:(body ? @"application/json" : nil)];
return [self startTaskWithRequest:req completion:completion];
NSString *urlString = [self buildURLStringWithPath:path];
if (!urlString) { [self fail:KBNetworkErrorInvalidURL completion:completion]; return nil; }
// 用 JSON 序列化器生成 JSON Body 的请求
AFJSONRequestSerializer *serializer = [AFJSONRequestSerializer serializer];
serializer.timeoutInterval = self.timeout;
NSError *error = nil;
NSMutableURLRequest *req = [serializer requestWithMethod:@"POST"
URLString:urlString
parameters:jsonBody
error:&error];
if (error) { if (completion) completion(nil, nil, error); return nil; }
[self applyHeaders:headers toMutableRequest:req contentType:nil];
return [self startAFTaskWithRequest:req completion:completion];
}
#pragma mark - Core
@@ -77,28 +81,18 @@ NSErrorDomain const KBNetworkErrorDomain = @"com.company.keyboard.network";
return YES;
}
- (NSURL *)buildURLWithPath:(NSString *)path params:(NSDictionary *)params {
NSURL *url = nil;
- (NSString *)buildURLStringWithPath:(NSString *)path {
if (path.length == 0) return nil;
if ([path hasPrefix:@"http://"] || [path hasPrefix:@"https://"]) {
url = [NSURL URLWithString:path];
} else if (self.baseURL) {
url = [NSURL URLWithString:path relativeToURL:self.baseURL].absoluteURL;
return path;
}
if (!url) return nil;
if (params.count == 0) return url;
NSURLComponents *c = [NSURLComponents componentsWithURL:url resolvingAgainstBaseURL:YES];
NSMutableArray<NSURLQueryItem *> *items = c.queryItems.mutableCopy ?: [NSMutableArray array];
[params enumerateKeysAndObjectsUsingBlock:^(id key, id obj, BOOL *stop) {
NSString *k = [key description];
NSString *v = [obj isKindOfClass:[NSString class]] ? obj : [obj description];
[items addObject:[NSURLQueryItem queryItemWithName:k value:v]];
}];
c.queryItems = items;
return c.URL;
if (self.baseURL) {
return [NSURL URLWithString:path relativeToURL:self.baseURL].absoluteURL.absoluteString;
}
return path; // 当无 baseURL 且 path 不是完整 URL 时，让 AFN 处理（可能失败）
}
- (void)applyHeaders:(NSDictionary<NSString *,NSString *> *)headers toRequest:(NSMutableURLRequest *)req contentType:(NSString *)contentType {
- (void)applyHeaders:(NSDictionary<NSString *,NSString *> *)headers toMutableRequest:(NSMutableURLRequest *)req contentType:(NSString *)contentType {
// 合并默认头与局部头，局部覆盖
NSMutableDictionary *all = [self.defaultHeaders mutableCopy] ?: [NSMutableDictionary new];
if (contentType) all[@"Content-Type"] = contentType;
@@ -106,24 +100,25 @@ NSErrorDomain const KBNetworkErrorDomain = @"com.company.keyboard.network";
[all enumerateKeysAndObjectsUsingBlock:^(NSString *key, NSString *obj, BOOL *stop) { [req setValue:obj forHTTPHeaderField:key]; }];
}
- (NSURLSessionDataTask *)startTaskWithRequest:(NSURLRequest *)req completion:(KBNetworkCompletion)completion {
NSURLSessionDataTask *task = [self.session dataTaskWithRequest:req
completionHandler:^(NSData *data, NSURLResponse *response, NSError *error) {
- (NSURLSessionDataTask *)startAFTaskWithRequest:(NSURLRequest *)req completion:(KBNetworkCompletion)completion {
// 响应先用原始数据返回，再按 Content-Type 解析 JSON（与原实现一致）
self.manager.responseSerializer = [AFHTTPResponseSerializer serializer];
NSURLSessionDataTask *task = [self.manager dataTaskWithRequest:req uploadProgress:nil downloadProgress:nil completionHandler:^(NSURLResponse *response, id responseObject, NSError *error) {
if (error) { if (completion) completion(nil, response, error); return; }
if (!data) { if (completion) completion(nil, response, [NSError errorWithDomain:KBNetworkErrorDomain code:KBNetworkErrorInvalidResponse userInfo:@{NSLocalizedDescriptionKey:@"空响应"}]); return; }
id json = nil;
// 简单判断是否为 JSON
NSData *data = (NSData *)responseObject;
if (![data isKindOfClass:[NSData class]]) {
if (completion) completion(nil, response, [NSError errorWithDomain:KBNetworkErrorDomain code:KBNetworkErrorInvalidResponse userInfo:@{NSLocalizedDescriptionKey:@"无数据"}]);
return;
}
NSString *ct = nil;
if ([response isKindOfClass:[NSHTTPURLResponse class]]) {
ct = ((NSHTTPURLResponse *)response).allHeaderFields[@"Content-Type"];
}
BOOL looksJSON = (ct && [ct.lowercaseString containsString:@"application/json"]);
if (looksJSON) {
json = [NSJSONSerialization JSONObjectWithData:data options:0 error:&error];
if (!json && completion) {
completion(nil, response, [NSError errorWithDomain:KBNetworkErrorDomain code:KBNetworkErrorDecodeFailed userInfo:@{NSLocalizedDescriptionKey:@"JSON解析失败"}]);
return;
}
NSError *jsonErr = nil;
id json = [NSJSONSerialization JSONObjectWithData:data options:0 error:&jsonErr];
if (jsonErr) { if (completion) completion(nil, response, [NSError errorWithDomain:KBNetworkErrorDomain code:KBNetworkErrorDecodeFailed userInfo:@{NSLocalizedDescriptionKey:@"JSON解析失败"}]); return; }
if (completion) completion(json, response, nil);
} else {
if (completion) completion(data, response, nil);
@@ -133,18 +128,20 @@ NSErrorDomain const KBNetworkErrorDomain = @"com.company.keyboard.network";
return task;
}
#pragma mark - Session
#pragma mark - AFHTTPSessionManager
- (NSURLSession *)session {
if (!_session) {
- (AFHTTPSessionManager *)manager {
if (!_manager) {
NSURLSessionConfiguration *cfg = [NSURLSessionConfiguration ephemeralSessionConfiguration];
cfg.requestCachePolicy = NSURLRequestReloadIgnoringLocalCacheData;
cfg.timeoutIntervalForRequest = self.timeout;
cfg.timeoutIntervalForResource = MAX(self.timeout, 30.0);
if (@available(iOS 11.0, *)) { cfg.waitsForConnectivity = YES; }
_session = [NSURLSession sessionWithConfiguration:cfg delegate:nil delegateQueue:nil];
_manager = [[AFHTTPSessionManager alloc] initWithBaseURL:nil sessionConfiguration:cfg];
// 默认不使用 JSON 解析器，保持原生数据，再按需解析
_manager.responseSerializer = [AFHTTPResponseSerializer serializer];
}
return _session;
return _manager;
}
#pragma mark - Private helpers