完整代码示例：

import org.json.JSONObject;
import org.json.JSONArray;
import org.json.JSONException;

// 搜索音乐并发送结果
public void searchMusic(String keyword, String groupUin) {
    try {
        // 1. 发送 HTTP GET 请求
        String url = "https://oiapi.net/api/Music_163?name=" + keyword;
        String response = httpGet(url);

        // 检查响应是否为空
        if (response == null || response.isEmpty()) {
            sendMsg(groupUin, "", "请求失败，请稍后重试");
            return;
        }

        // 2. 解析 JSON 响应
        JSONObject json = new JSONObject(response);

        // 获取返回码
        int code = json.getInt("code");
        if (code != 0) {
            sendMsg(groupUin, "", "搜索失败：" + json.getString("message"));
            return;
        }

        // 获取数据数组
        JSONArray dataArray = json.getJSONArray("data");

        // 检查是否有搜索结果
        if (dataArray.length() == 0) {
            sendMsg(groupUin, "", "未找到相关歌曲");
            return;
        }

        // 3. 遍历结果并格式化输出
        StringBuilder result = new StringBuilder();
        result.append("找到 ").append(dataArray.length()).append(" 首歌曲：\n\n");

        // 最多显示前5首
        int maxResults = Math.min(dataArray.length(), 5);
        for (int i = 0; i < maxResults; i++) {
            JSONObject song = dataArray.getJSONObject(i);

            String name = song.getString("name");
            String picUrl = song.getString("picurl");
            int id = song.getInt("id");
            String jumpUrl = song.getString("jumpurl");

            // 获取歌手信息
            JSONArray singers = song.getJSONArray("singers");
            StringBuilder singerNames = new StringBuilder();
            for (int j = 0; j < singers.length(); j++) {
                if (j > 0) singerNames.append(", ");
                singerNames.append(singers.getJSONObject(j).getString("name"));
            }

            // 格式化单条结果
            result.append(i + 1).append(". ")
                  .append(name)
                  .append(" - ")
                  .append(singerNames)
                  .append("\n")
                  .append(jumpUrl)
                  .append("\n\n");
        }

        // 发送结果
        sendMsg(groupUin, "", result.toString());

    } catch (JSONException e) {
        error(e);
        sendMsg(groupUin, "", "JSON解析出错：" + e.getMessage());
    }
}

// 在消息回调中调用
void onMsg(Object msg) {
    String text = msg.MessageContent;
    String qun = msg.GroupUin;

    // 检测搜索命令，格式：点歌 歌名
    if (text.startsWith("点歌 ")) {
        String keyword = text.substring(3).trim();
        if (!keyword.isEmpty()) {
            searchMusic(keyword, qun);
        } else {
            sendMsg(qun, "", "请输入歌曲名称，例如：点歌 crush");
        }
    }
}