楔子
之前用JSOUP 模擬登陸 簽到 獲取積分(只需要 用戶密碼即可登陸的情況)。
好奇 Jsoup 模擬 瀏覽器訪問 ,他是如何保持連接狀態的。( 比如 傳統 應用依靠session 判斷是否登陸)
經測試
Jsoup.execute()
帶上cookie就可以 模擬 瀏覽器保持登陸狀態
測試結果
訪問不帶cookie的效果
訪問帶cookie的效果
模擬瀏覽器訪問的方法如下
import org.jsoup.Connection;
import org.jsoup.Jsoup;
import java.io.IOException;
import java.util.Map;
public class SignIn {
private static final String userAgent = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.34 Safari/537.36 Edg/83.0.478.25";
// 登錄URL|退出RUL
private static String URL_LOGIN = "http://localhost:9590/thy/jsoup/sign";
private static String URL_LOGOUT = "http://localhost:9590/thy/jsoup/logout";
private static final String URL_Sign_in = "http://localhost:9590/thy/jsoup/pri/date";
// 簽到成功後的cookie
private static Map<String, String> cookies;
private static Connection connection;
static {
System.out.println("---------簽到------------");
connection = Jsoup.connect(URL_LOGIN).userAgent(userAgent)//
.timeout(10 * 1000).method(Connection.Method.POST) // // 字段參數| 文件名稱| 文件流
//.header("Connection", "keep-alive")
.followRedirects(true);
Connection.Response execute = null;
try {
execute = connection.ignoreContentType(true).execute();
System.out.println(execute.body());
} catch (IOException e) {
e.printStackTrace();
}
cookies = execute.cookies();
System.out.println("登錄cookie如下");
System.out.println(cookies);
}
/**
* jsoup 模擬簽到
*
* @param args
*/
public static void main(String[] args) throws IOException {
signForScore(connection, cookies);
System.out.println("--- 退出登錄--------");
Connection.Response response = connection.url(URL_LOGOUT).method(Connection.Method.GET)//
.ignoreContentType(true)//
.followRedirects(true).execute();
System.out.println(response.body());
}
/**
* 帶上cookie可以模擬登陸
*
* @param connection
* @param cookies
* @throws IOException
*/
private static void signForScore(Connection connection, Map<String, String> cookies) throws IOException {
Connection.Response response = connection.url(URL_Sign_in).method(Connection.Method.POST)//
.cookies(cookies)//帶上cookie可以模擬登陸
.execute();
System.out.println(response.body());
Map<String, String> signCookie = response.cookies();
System.out.println("模擬簽到 得到的cookie");
System.out.println(signCookie);
System.out.println("------------");
}
}
測試登陸 退出簽到的方法 如下
JsoupController
模擬 controller
LoginInterceptor
模擬攔截器 判斷是否登陸
代碼碼雲https://gitee.com/demo51/spthymeleaf/