iOS WKWebView 添加 cookie

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    
    self.wkWebView = [[WKWebView alloc] initWithFrame:self.view.bounds configuration:[self createConfiguration]];
    self.wkWebView.navigationDelegate = self;
    [self.view addSubview:self.wkWebView];
    
    [self loadWebView];
}

- (void)loadWebView {
    
    NSURL *url = [NSURL URLWithString:@"url address"];
    NSMutableURLRequest *request = [[NSMutableURLRequest alloc] initWithURL:url];
    [request addValue:[self appendCookie] forHTTPHeaderField:@"Cookie"];
    [self.wkWebView loadRequest:request];
}

- (WKWebViewConfiguration *)createConfiguration {
    
    NSString *cookieString = [self appendCookie];
    
    WKUserContentController *userContentController = [WKUserContentController new];
    WKUserScript *cookieScript = [[WKUserScript alloc] initWithSource:cookieString injectionTime:WKUserScriptInjectionTimeAtDocumentStart forMainFrameOnly:NO];
    [userContentController addUserScript:cookieScript];
    
    WKWebViewConfiguration *config = [[WKWebViewConfiguration alloc] init];
    config.userContentController = userContentController;
    
    return config;
}

- (NSString *)appendCookie {
    
    NSDictionary *cookieDic = @{
                                @"userName" :@"name",
                                @"userId"   :@"101",
                                @"projectId":@"5"
                                };
    NSMutableString *cookieString = [NSMutableString stringWithFormat:@""];
    for (NSString *key in cookieDic) {
        NSString *kv = [NSString stringWithFormat:@"document.cookie='%@=%@';", key, [cookieDic valueForKey:key]];
        [cookieString appendString:kv];
    }
    return cookieString;
}