java实现登录微博（通过cookie）

1.获取cookie

1.打开微博登录页面，浏览器F12进行抓包，登录。
2.在微博首页地址栏找到url

3.在浏览器调试页面找到Referer与地址栏相同的url

2.代码

1.加入依赖

        <dependency>
            <groupId>org.jsoup</groupId>
            <artifactId>jsoup</artifactId>
            <version>1.10.1</version>
        </dependency>

        <dependency>
        <groupId>org.apache.httpcomponents</groupId>
        <artifactId>httpclient</artifactId>
        <version>4.5.5</version>
        </dependency>

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.config.Registry;
import org.apache.http.config.RegistryBuilder;
import org.apache.http.cookie.CookieSpec;
import org.apache.http.cookie.CookieSpecProvider;
import org.apache.http.impl.client.BasicCookieStore;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.impl.cookie.DefaultCookieSpec;
import org.apache.http.message.BasicHeader;
import org.apache.http.protocol.HttpContext;
import org.apache.http.util.EntityUtils;

import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;


public class cookieLogin {
    private CloseableHttpClient client;
    private HttpPost post;
    private HttpGet get;
    private BasicCookieStore cookieStore;

    public cookieLogin() {
        //cookie策略，不设置会拒绝cookie rejected，设置策略保存cookie信息
        cookieStore = new BasicCookieStore();
        CookieSpecProvider myCookie = new CookieSpecProvider() {
            public CookieSpec create(HttpContext context) {
                return new DefaultCookieSpec();
            }
        };
        Registry<CookieSpecProvider> rg = RegistryBuilder.<CookieSpecProvider> create().register("myCookie", myCookie)
                .build();

        client = HttpClients.custom().setDefaultCookieStore(cookieStore).setDefaultCookieSpecRegistry(rg).build();
        get = new HttpGet();
        post = new HttpPost();
    }

    public void Login() throws ClientProtocolException, IOException, URISyntaxException {
        String LoginUrl = "你的微博主页网址";
        get.setURI(new URI(LoginUrl));
        get.addHeader("Accept", "*/*");
        get.addHeader("Accept-Encoding", "gzip, deflate, br");
        get.addHeader("Accept-Language", "zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2");
        get.addHeader("Cache-Control" , "no-cache");
        get.addHeader("Connection" , "keep-alive");
        get.addHeader("Content-Type" , "application/x-www-form-urlencoded");
        get.addHeader(new BasicHeader("Cookie", "cookie"));
        get.addHeader("Host", "weibo.com");
        get.addHeader("Pragma", "no-cache");
        get.addHeader("Referer", "你的微博主页网址");
        get.addHeader("Sec-Fetch-Dest", "empty");
        get.addHeader("Sec-Fetch-Mode", "cors");
        get.addHeader("Sec-Fetch-Site", "same-origin");
        get.addHeader("TE", "trailers");
        get.addHeader("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:96.0) Gecko/20100101 Firefox/96.0");
        get.addHeader("X-Requested-With", "XMLHttpRequest");
        HttpResponse resp = client.execute(get);
        HttpEntity entity = resp.getEntity();
        String cont = EntityUtils.toString(entity);
        System.out.println("获取的微博内容:" + cont);

    }

    public CloseableHttpClient getClient() {
        return client;
    }

    public void setClient(CloseableHttpClient client) {
        this.client = client;
    }

    public HttpPost getPost() {
        return post;
    }

    public void setPost(HttpPost post) {
        this.post = post;
    }

    public HttpGet getGet() {
        return get;
    }

    public void setGet(HttpGet get) {
        this.get = get;
    }

    public BasicCookieStore getCookieStore() {
        return cookieStore;
    }

    public void setCookieStore(BasicCookieStore cookieStore) {
        this.cookieStore = cookieStore;
    }

    public static void main(String[] args) throws ClientProtocolException, IOException, URISyntaxException {
        new cookieLogin().Login();
    }
}

测试

参考；https://www.cnblogs.com/qianzf/p/7747899.html