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java 如何添加cooke

2026-03-21 15:15:24Java

添加 Cookie 的方法

在 Java 中，可以通过 HttpURLConnection 或第三方库（如 Apache HttpClient 或 OkHttp）来添加 Cookie。以下是几种常见的方法：

使用 HttpURLConnection

通过 HttpURLConnection 设置 Cookie 需要在请求头中添加 Cookie 字段。

URL url = new URL("http://example.com");
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
connection.setRequestProperty("Cookie", "name=value; name2=value2");
connection.connect();

使用 Apache HttpClient

Apache HttpClient 提供了更灵活的 Cookie 管理方式，可以通过 HttpClient 和 CookieStore 实现。

CloseableHttpClient httpClient = HttpClients.createDefault();
CookieStore cookieStore = new BasicCookieStore();
BasicClientCookie cookie = new BasicClientCookie("name", "value");
cookie.setDomain("example.com");
cookie.setPath("/");
cookieStore.addCookie(cookie);

HttpClientContext context = HttpClientContext.create();
context.setCookieStore(cookieStore);

HttpGet httpGet = new HttpGet("http://example.com");
CloseableHttpResponse response = httpClient.execute(httpGet, context);

使用 OkHttp

OkHttp 是一个流行的 HTTP 客户端库，支持简单的 Cookie 添加方式。

java 如何添加cooke

OkHttpClient client = new OkHttpClient.Builder()
    .cookieJar(new CookieJar() {
        private final List<Cookie> cookies = new ArrayList<>();

        @Override
        public void saveFromResponse(HttpUrl url, List<Cookie> cookies) {
            this.cookies.addAll(cookies);
        }

        @Override
        public List<Cookie> loadForRequest(HttpUrl url) {
            return cookies;
        }
    })
    .build();

Request request = new Request.Builder()
    .url("http://example.com")
    .build();

Response response = client.newCall(request).execute();