图片流及cookie获取

src/main/java/com/tem/bocai/util/ImageTest.java

@@ -0,0 +1,49 @@
+package com.tem.bocai.util;
+
+import java.io.InputStream;
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.util.List;
+import java.util.Map;
+
+public class ImageTest {
+
+    public static void main(String[] args) throws Exception {
+        getImageStreamAndCookie("https://4701268539-esh.qdk63ayw8g.com/code?_=1768901529986");
+    }
+    
+    /**
+     * 根据URL获取图片流及cookie
+     * @param imageUrl 图片URL
+     * @return Object[] 返回数组，索引0为图片InputStream，索引1为cookie字符串
+     * @throws Exception 抛出异常
+     */
+    public static Object[] getImageStreamAndCookie(String imageUrl) throws Exception {
+        URL url = new URL(imageUrl);
+        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
+        connection.setRequestMethod("GET");
+        connection.setConnectTimeout(5000);
+        connection.setReadTimeout(5000);
+        
+        // 获取图片流
+        InputStream imageStream = connection.getInputStream();
+        
+        // 获取cookie
+        StringBuilder cookieBuilder = new StringBuilder();
+        Map<String, List<String>> headerFields = connection.getHeaderFields();
+        List<String> cookies = headerFields.get("Set-Cookie");
+        if (cookies != null) {
+            for (String cookie : cookies) {
+                // 只取cookie的name=value部分，忽略其他属性
+                String cookieValue = cookie.split(";\s*")[0];
+                cookieBuilder.append(cookieValue).append("; ");
+            }
+            // 移除最后一个分号和空格
+            if (cookieBuilder.length() > 0) {
+                cookieBuilder.setLength(cookieBuilder.length() - 2);
+            }
+        }
+        
+        return new Object[]{imageStream, cookieBuilder.toString()};
+    }
+}