ios htttp网络请求cookie的读取与写入(NSHTTPCookieStorage)

来源：互联网发布：苹果查询网络编辑：程序博客网时间：2024/05/21 14:48

当你访问一个网站时，NSURLRequest都会帮你主动记录下来你访问的站点设置的cookie，如果 Cookie 存在的话，会把这些信息放在 NSHTTPCookieStorage 容器中共享，当你下次再访问这个站点时，NSURLRequest会拿着上次保存下来了的cookie继续去请求。
同样适用于ASIHTTPRequest,AFNetworking, Webview等,cookie常用于一些基于认证的网络请求

认识下NSHTTPCookieStorage
NSHTTPCookieStorage 实现了一个管理cookie的单例对象(只有一个实例)，每个cookie都是NSHTTPCookie类的实例，最为一个规则，cookie在所有应用之间共享并在不同进程之间保持同步。Session cookie(一个isSessionOnly方法返回YES的cookie)只能在单一进程中使用。

Cookie
Cookie是由服务器端生成，发送给User-Agent（一般是浏览器或者客户端），浏览器会将Cookie的key/value保存到某个目录下的文本文件内，下次请求同一网站地址时就发送该Cookie给服务器

HTTP header
HTTP header中包含HTTP请求与响应的操作参数. header属性定义了所传输数据的各种特性. header属性以属性名开始,以冒号结尾,最后是属性值.属性名及值会因应用的不同

ios htttp网络请求cookie的读取与写入:
1.原生NSURLConnection写法

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
一.获取cookie
- (IBAction)cookieTouched:(id)sender {
    NSURL *url = [NSURL URLWithString:@"http://api.skyfox.org/api-test.php"];
    NSURLRequest *request = [NSURLRequest requestWithURL:url]
                                             cachePolicy:NSURLRequestReloadIgnoringLocalAndRemoteCacheData
                                         timeoutInterval:3];
    NSOperationQueue *queue = [[NSOperationQueue alloc]init];
    [NSURLConnection sendAsynchronousRequest:request
                                       queue:queue
                           completionHandler:^(NSURLResponse *response, NSData *data, NSError *error){
                              
                               //转换NSURLResponse成为HTTPResponse
                               NSHTTPURLResponse *HTTPResponse = (NSHTTPURLResponse *)response;
                               //获取headerfields
                               NSDictionary *fields = [HTTPResponse allHeaderFields];//原生NSURLConnection写法
                               // NSDictionary *fields = [operation.response allHeaderFields]; //afnetworking写法
                               NSLog(@"fields = %@",[fields description]);
 
                               //获取cookie方法1
                               // NSArray *cookies = [NSHTTPCookie cookiesWithResponseHeaderFields:fields forURL:url];
   //获取cookie方法2
                               //NSString *cookieString = [[HTTPResponse allHeaderFields] valueForKey:@"Set-Cookie"];
                               //获取cookie方法3
                               NSHTTPCookieStorage *cookieJar = [NSHTTPCookieStorage sharedHTTPCookieStorage];
                               for (NSHTTPCookie *cookie in [cookieJar cookies]) {
                                   NSLog(@"cookie%@", cookie);
                               }
                           }];
    
}

2.AFNetworking 写法

1
2
3
4
5
6
7
8
9
10
11
12
[[APIClientsharedClient] postPath:@"http://api.skyfox.org/api-test.php" parameters:p success:^(AFHTTPRequestOperation*operation,idJSON){
        NSDictionary*fields=[operation.responseallHeaderFields];//afnetworking写法
        NSLog(@"fields = %@",[fieldsdescription]);
        NSURL*url=[NSURL URLWithString:@"http://api.skyfox.org/api-test.php"];
        //获取cookie方法1
        NSArray*cookies=[NSHTTPCookie cookiesWithResponseHeaderFields:fields forURL:url];
        //获取cookie方法2
        //NSString *cookieString = [[HTTPResponse allHeaderFields] valueForKey:@"Set-Cookie"];
 
    } failure:^(AFHTTPRequestOperation*operation,NSError*error){
      
    }];

二.清空cookie

1
2
3
4
5
 NSHTTPCookieStorage *cookieJar = [NSHTTPCookieStorage sharedHTTPCookieStorage];
  NSArray *cookieArray = [NSArray arrayWithArray:[cookieJar cookies]];
  for (id obj in cookieArray) {
    [cookieJar deleteCookie:obj];
  }

三.手动设置cookie

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
第一次请求手动设置个cookie
-(void)test1:(NSString*)urlString{
    NSURL*url=[NSURL URLWithString:@"http://api.skyfox.org/cookie.php"];
    NSMutableURLRequest*request=[NSMutableURLRequest requestWithURL:url];
    
    NSMutableDictionary*cookieProperties=[NSMutableDictionarydictionary];
    [cookieProperties setObject:@"username" forKey:NSHTTPCookieName];
    [cookieProperties setObject:@"my ios cookie" forKey:NSHTTPCookieValue];
    [cookieProperties setObject:@"api.skyfox.org" forKey:NSHTTPCookieDomain];
    [cookieProperties setObject:@"api.skyfox.org" forKey:NSHTTPCookieOriginURL];
    [cookieProperties setObject:@"/" forKey:NSHTTPCookiePath];
    [cookieProperties setObject:@"0" forKey:NSHTTPCookieVersion];
    NSHTTPCookie*cookie=[NSHTTPCookie cookieWithProperties:cookieProperties];
    [[NSHTTPCookieStoragesharedHTTPCookieStorage] setCookie:cookie];
    [self.myWebView loadRequest:request];
}
//第二次请求会自动带上cookie
-(IBAction)test2:(id)sender{
    NSURL*url=[NSURL URLWithString:@"http://api.skyfox.org/cookie.php"];
    NSMutableURLRequest*request=[NSMutableURLRequest requestWithURL:url];
    [self.mywebview2 loadRequest:request];
}

request还可以这样设置个cookie

1
2
[request setHTTPShouldHandleCookies:YES];
[request setValue:[NSString stringWithFormat:@"%@=%@",[cookiename],[cookievalue]] forHTTPHeaderField:@"Cookie"];

0 0