添加 'W3'

W3

@@ -0,0 +1,179 @@
+import org.apache.commons.lang3.RandomStringUtils;
+import org.apache.http.HttpEntity;
+import org.apache.http.client.methods.CloseableHttpResponse;
+import org.apache.http.client.methods.HttpPost;
+import org.apache.http.entity.StringEntity;
+import org.apache.http.impl.client.CloseableHttpClient;
+import org.apache.http.impl.client.HttpClients;
+import org.apache.http.util.EntityUtils;
+import org.bouncycastle.jce.provider.BouncyCastleProvider;
+import com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson.JSONArray;
+import com.alibaba.fastjson.JSONObject;
+
+import javax.crypto.Cipher;
+import javax.crypto.spec.IvParameterSpec;
+import javax.crypto.spec.SecretKeySpec;
+import java.nio.charset.StandardCharsets;
+import java.security.Security;
+import java.util.Base64;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * 网易云音乐热门评论爬虫
+ */
+public class NeteaseCommentCrawler {
+    // 网易云固定加密密钥
+    private static final String FIRST_KEY = "0CoJUm6Qyw8W8jud";
+    private static final String IV = "0102030405060708";
+    // 固定encSecKey（适配热门评论接口）
+    private static final String ENC_SEC_KEY = "00e0b50bcfcc08f1f8d6a8a9a0c96969b6f928a5069f07aa09f6062446f4224f42f42f42f42f42f42f42f42f42f42f42f42f42f42f42f42f42f42f42f42f42f4";
+
+    static {
+        // 注册BouncyCastle加密提供者
+        Security.addProvider(new BouncyCastleProvider());
+    }
+
+    /**
+     * AES加密（CBC模式，PKCS7填充）
+     */
+    private static String aesEncrypt(String content, String key) throws Exception {
+        SecretKeySpec secretKeySpec = new SecretKeySpec(key.getBytes(StandardCharsets.UTF_8), "AES");
+        IvParameterSpec ivParameterSpec = new IvParameterSpec(IV.getBytes(StandardCharsets.UTF_8));
+        Cipher cipher = Cipher.getInstance("AES/CBC/PKCS7Padding");
+        cipher.init(Cipher.ENCRYPT_MODE, secretKeySpec, ivParameterSpec);
+        byte[] encrypted = cipher.doFinal(pad(content).getBytes(StandardCharsets.UTF_8));
+        return Base64.getEncoder().encodeToString(encrypted);
+    }
+
+    /**
+     * PKCS7补位
+     */
+    private static String pad(String s) {
+        int blockSize = 16;
+        int padCount = blockSize - (s.length() % blockSize);
+        StringBuilder sb = new StringBuilder(s);
+        for (int i = 0; i < padCount; i++) {
+            sb.append((char) padCount);
+        }
+        return sb.toString();
+    }
+
+    /**
+     * 生成加密参数（params + encSecKey）
+     */
+    private static Map<String, String> getEncryptedParams(String songId) throws Exception {
+        // 构造原始请求参数
+        JSONObject originParam = new JSONObject();
+        originParam.put("rid", "R_SO_4_" + songId);
+        originParam.put("offset", 0);
+        originParam.put("total", true);
+        originParam.put("limit", 20);
+        originParam.put("csrf_token", "");
+
+        // 生成16位随机密钥
+        String secondKey = RandomStringUtils.randomAlphanumeric(16);
+        // 双重AES加密
+        String params = aesEncrypt(aesEncrypt(originParam.toJSONString(), FIRST_KEY), secondKey);
+
+        Map<String, String> result = new HashMap<>();
+        result.put("params", params);
+        result.put("encSecKey", ENC_SEC_KEY);
+        return result;
+    }
+
+    /**
+     * 获取热门评论
+     */
+    public static JSONArray getHotComments(String songId) {
+        String url = "https://music.163.com/weapi/v1/resource/comments/R_SO_4_" + songId + "?csrf_token=";
+        CloseableHttpClient httpClient = HttpClients.createDefault();
+        try {
+            // 1. 构造POST请求
+            HttpPost httpPost = new HttpPost(url);
+            // 2. 设置请求头
+            httpPost.setHeader("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36");
+            httpPost.setHeader("Referer", "https://music.163.com/song?id=" + songId);
+            httpPost.setHeader("Content-Type", "application/x-www-form-urlencoded");
+
+            // 3. 生成加密参数并构造请求体
+            Map<String, String> encryptedParams = getEncryptedParams(songId);
+            String requestBody = "params=" + encryptedParams.get("params") + "&encSecKey=" + encryptedParams.get("encSecKey");
+            httpPost.setEntity(new StringEntity(requestBody, StandardCharsets.UTF_8));
+
+            // 4. 发送请求并解析响应
+            CloseableHttpResponse response = httpClient.execute(httpPost);
+            HttpEntity entity = response.getEntity();
+            String responseStr = EntityUtils.toString(entity, StandardCharsets.UTF_8);
+            JSONObject responseJson = JSON.parseObject(responseStr);
+            
+            // 5. 返回热门评论数组
+            return responseJson.getJSONArray("hotComments");
+
+        } catch (Exception e) {
+            System.err.println("爬取失败：" + e.getMessage());
+            e.printStackTrace();
+        } finally {
+            try {
+                httpClient.close();
+            } catch (Exception e) {
+                e.printStackTrace();
+            }
+        }
+        return new JSONArray();
+    }
+
+    /**
+     * 格式化输出评论 + 保存到CSV
+     */
+    public static void printAndSaveComments(JSONArray hotComments) {
+        // 1. 格式化打印
+        System.out.println("===== 网易云热门评论 =====");
+        for (int i = 0; i < hotComments.size(); i++) {
+            JSONObject comment = hotComments.getJSONObject(i);
+            JSONObject user = comment.getJSONObject("user");
+            String nickname = user.getString("nickname");
+            String content = comment.getString("content").replace("\n", " ");
+            int likedCount = comment.getInteger("likedCount");
+            String timeStr = comment.getString("timeStr");
+            
+            System.out.printf("%d. %s：%s（%d赞）- %s%n", 
+                    i + 1, nickname, content, likedCount, timeStr);
+        }
+
+        // 2. 保存到CSV（可选）
+        /*
+        try (FileWriter writer = new FileWriter("netease_hot_comments.csv", StandardCharsets.UTF_8)) {
+            // 写入表头
+            writer.write("序号,用户,评论,点赞数,时间\n");
+            // 写入评论数据
+            for (int i = 0; i < hotComments.size(); i++) {
+                JSONObject comment = hotComments.getJSONObject(i);
+                JSONObject user = comment.getJSONObject("user");
+                String nickname = user.getString("nickname");
+                String content = comment.getString("content").replace("\n", " ").replace(",", "，");
+                int likedCount = comment.getInteger("likedCount");
+                String timeStr = comment.getString("timeStr");
+                
+                writer.write(String.format("%d,%s,%s,%d,%s%n", 
+                        i + 1, nickname, content, likedCount, timeStr));
+            }
+            System.out.println("评论已保存到 netease_hot_comments.csv");
+        } catch (Exception e) {
+            System.err.println("保存CSV失败：" + e.getMessage());
+        }
+        */
+    }
+
+    // 主方法：测试爬取《晴天》（ID:186016）热门评论
+    public static void main(String[] args) {
+        String songId = "186016"; // 晴天的歌曲ID
+        JSONArray hotComments = getHotComments(songId);
+        if (!hotComments.isEmpty()) {
+            printAndSaveComments(hotComments);
+        } else {
+            System.out.println("未获取到评论，请检查歌曲ID或网络");
+        }
+    }
+}