一. UIWebView：

// 工廠類中存儲(chǔ)cookie的方法
+ (void)saveCookies {
    // 創(chuàng)建一個(gè)可變字典存放cookie
    NSMutableDictionary *fromappDict = [NSMutableDictionary dictionary];
    [fromappDict setObject:@"fromapp" forKey:NSHTTPCookieName];
    [fromappDict setObject:@"ios" forKey:NSHTTPCookieValue];
    // kDomain是公司app網(wǎng)址
    [fromappDict setObject:kDomain forKey:NSHTTPCookieDomain];
    [fromappDict setObject:kDomain forKey:NSHTTPCookieOriginURL];
    [fromappDict setObject:@"/" forKey:NSHTTPCookiePath];
    [fromappDict setObject:@"0" forKey:NSHTTPCookieVersion];

    // 將可變字典轉(zhuǎn)化為cookie
    NSHTTPCookie *cookie = [NSHTTPCookie cookieWithProperties:params];

    // 獲取cookieStorage
    NSHTTPCookieStorage *cookieStorage = [NSHTTPCookieStorage sharedHTTPCookieStorage]

    // 存儲(chǔ)cookie
    [cookieStorage setCookie:cookie];
}

UIWebView使用時(shí)間較長(zhǎng)，只要在cookieStorage中設(shè)置了相應(yīng)的cookie，每次就會(huì)自動(dòng)帶上；
但是這樣的弊端是隨著與H5的交互增加，Cookie占用的空間越來(lái)越大，每次交互都夾帶大量的cookie，不僅增加服務(wù)器端壓力，也浪費(fèi)用戶的流量。比如每次交互都夾帶5kb的cookie內(nèi)容，但是真正用到的只有兩三百字節(jié)。
二. WKWebView
WKWebView相比于UIWebView：

速度快了一倍，內(nèi)存卻減少為原來(lái)的一半；
cookie不再是自動(dòng)攜帶，需要手動(dòng)設(shè)置；
交互更加順暢，比如app底部四個(gè)tabBar也都是網(wǎng)頁(yè)的，在UIWebView下點(diǎn)擊，整個(gè)H5頁(yè)面都會(huì)閃白一下，但是在WKWebView下點(diǎn)擊，四個(gè)tabBar效果與原生app效果更加類似，不會(huì)有閃白現(xiàn)象。
增減了一些代理方法，更方便的進(jìn)行協(xié)議攔截和進(jìn)度條展示
1.在創(chuàng)建的時(shí)候存放到WKUserScript中進(jìn)行添加cookie

WKWebViewConfiguration *webConfig = [[WKWebViewConfiguration alloc] init];
    // 設(shè)置偏好設(shè)置
    webConfig.preferences = [[WKPreferences alloc] init];
    // 默認(rèn)為0
    webConfig.preferences.minimumFontSize = 10;
    // 默認(rèn)認(rèn)為YES
    webConfig.preferences.javaScriptEnabled = YES;
    // 在iOS上默認(rèn)為NO，表示不能自動(dòng)通過(guò)窗口打開
    webConfig.preferences.javaScriptCanOpenWindowsAutomatically = NO;

    // web內(nèi)容處理池
    webConfig.processPool = [[WKProcessPool alloc] init];
    // 將所有cookie以document.cookie = 'key=value';形式進(jìn)行拼接
    #warning 然而這里的單引號(hào)一定要注意是英文的，不要問(wèn)我為什么告訴你這個(gè)(手動(dòng)微笑)
    NSString *cookieValue = @"document.cookie = 'fromapp=ios';document.cookie = 'channel=appstore';";

    // 加cookie給h5識(shí)別，表明在ios端打開該地址
    WKUserContentController* userContentController = WKUserContentController.new;
    WKUserScript * cookieScript = [[WKUserScript alloc]
                                   initWithSource: cookieValue
                                   injectionTime:WKUserScriptInjectionTimeAtDocumentStart forMainFrameOnly:NO];
    [userContentController addUserScript:cookieScript];
    webConfig.userContentController = userContentController;

    WKWebView *wkWebView = [[WKWebView alloc] initWithFrame:frame configuration:webConfig];

    wkWebView.UIDelegate = wkWebView;
    wkWebView.navigationDelegate = wkWebView;

2.加載某個(gè)url的時(shí)候添加cookie
如果WKWebView在加載url的時(shí)候需要添加cookie，需要先手動(dòng)獲取當(dāng)前NSHTTPCookieStorage中的所有cookie，然后將cookie放到NSMutableURLRequest請(qǐng)求頭中

- (void)loadRequestWithUrlString:(NSString *)urlString {

    // 在此處獲取返回的cookie
    NSMutableDictionary *cookieDic = [NSMutableDictionary dictionary];

    NSMutableString *cookieValue = [NSMutableString stringWithFormat:@""];
    NSHTTPCookieStorage *cookieJar = [NSHTTPCookieStorage sharedHTTPCookieStorage];

    for (NSHTTPCookie *cookie in [cookieJar cookies]) {
        [cookieDic setObject:cookie.value forKey:cookie.name];
    }

    // cookie重復(fù)，先放到字典進(jìn)行去重，再進(jìn)行拼接
    for (NSString *key in cookieDic) {
        NSString *appendString = [NSString stringWithFormat:@"%@=%@;", key, [cookieDic valueForKey:key]];
        [cookieValue appendString:appendString];
    }

    NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:urlString]];
    [request addValue:cookieValue forHTTPHeaderField:@"Cookie"];

    [self loadRequest:request];
}

3.AFNetworking
AFNetworking存取cookie就比較常見了，話不多說(shuō)，都在代碼里了

//Cookie生成的有兩個(gè)途徑，一個(gè)是訪問(wèn)一個(gè)網(wǎng)頁(yè)，這個(gè)網(wǎng)頁(yè)返回的HTTP頭中有Set-Cookie指令進(jìn)行Cookie的設(shè)置，這里Cookie的本地處理其實(shí)是由WebKit進(jìn)行的;還有一種途徑就是客戶端通過(guò)代碼手動(dòng)設(shè)置Cookie。

NSMutableDictionary *cookieProperties = [NSMutableDictionary dictionary];
[cookieProperties setObject:@"name" forKey:NSHTTPCookieName];
[cookieProperties setObject:@"value" forKey:NSHTTPCookieValue];
[cookieProperties setObject:@"www.taobao.com" forKey:NSHTTPCookieDomain];
[cookieProperties setObject:@"/" forKey:NSHTTPCookiePath];
[cookieProperties setObject:@"0" forKey:NSHTTPCookieVersion];
[cookieProperties setObject:@"30000" forKey:NSHTTPCookieMaximumAge];
NSHTTPCookie *cookie = [NSHTTPCookie cookieWithProperties:cookieProperties];
[[NSHTTPCookieStorage sharedHTTPCookieStorage] setCookie:cookie];

 // 獲取AFHTTPRequestOperationManager
    AFHTTPRequestOperationManager *operationManager = [AFHTTPRequestOperationManager manager];
manager.requestSerializer.HTTPShouldHandleCookies = YES;
    // 創(chuàng)建可變字典用于存放Cookie
    NSMutableDictionary *cookieDic = [NSMutableDictionary dictionary];

    // 存放新添加的cookie
    #warning 單個(gè)的Cookie還好，但是樓主在工廠類方法中拼接了一個(gè)包含6個(gè)設(shè)備信息的value值，最后忘記加分號(hào)了，測(cè)試也沒(méi)測(cè)出來(lái)
    #warning 因?yàn)椴挥绊懝δ?，但是后面的cookie就自動(dòng)拼接上了，H5那邊也識(shí)別不到，險(xiǎn)造成重大事故(涉及金融。。)，望后來(lái)者看到，提前做好準(zhǔn)備(就憑這個(gè)坑，你得給我個(gè)贊)
    NSMutableString *cookieValue = [NSMutableString stringWithFormat:@"fromapp=ios;"];

    // 獲取
    NSHTTPCookieStorage *cookieJar = [NSHTTPCookieStorage sharedHTTPCookieStorage];

    for (NSHTTPCookie *cookie in [cookieJar cookies]) {
        [cookieDic setObject:cookie.value forKey:cookie.name];
    }

    // cookie重復(fù)，先放到字典去重，再進(jìn)行拼接
    for (NSString *key in cookieDic) {
        NSString *appendString = [NSString stringWithFormat:@"%@=%@;", key, [cookieDic valueForKey:key]];
        [cookieValue appendString:appendString];
    }

    // 將cookie存到請(qǐng)求頭中
    [operationManager.requestSerializer setValue:cookieValue forHTTPHeaderField:@"Cookie"];

    //  拼接url地址
    NSString *urlStr = [NSString stringWithFormat:@"%@%@", kHostIP, kPath];

    // 設(shè)置參數(shù)字典
    NSDictionary *paraDict = @{
                                  @"key" : value
                                  };
    // 發(fā)送請(qǐng)求，處理結(jié)果
    [operationManager POST:urlStr parameters:paraDict success:^(AFHTTPRequestOperation * _Nonnull operation, id  _Nonnull responseObject) {

         NSLog(@"responseObject-->%@", responseObject);

    } failure:^(AFHTTPRequestOperation * _Nullable operation, NSError * _Nonnull error) {

         NSLog(@"error-->%@", error);
    }];

原文鏈接：http://m.itdecent.cn/p/d2c478bbcca5