feat: 全面代码更新 - ECharts 5.4.2 重构、新增量化分析模块、前端库升级

- 升级 ECharts 到 5.4.2，重构 lib/ 目录结构
- 新增 DataTables 2.x 和 FixedColumns 插件
- 新增 quant/ 宏观研究报告模块
- 重构图表页面：stock_trend、hkholdbycode 等采用 JS fetch API.doorcome.cn 模式
- 新增 CLAUDE.md 补充页面文档和新数据流说明
- 更新 inc/config.php TuShare API 配置
- 更新新闻联播分析模块 news/ 和相关研究报告 research/
- 新增 api_document/ 参考文档
- 清理 .gitignore，排除 uploads/xls/.mcp.json/ source maps 等非代码文件
- 所有 PHP 文件通过 php -l 语法检查

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

html/footer.php

@@ -12,65 +12,8 @@
 
 <span style='color:grey;font-size:small;'>
 <?php
-ini_set("display_errors", "1");
-$mysqli = new mysqli('localhost','myquant','_H(lU1_fF*9baRTp','myquant');
-function log_pv(){
-    #echo "start log";
-    global $mysqli;
-    $vpage  = addslashes($_SERVER['PHP_SELF']);
-    $ua     = addslashes($_SERVER['HTTP_USER_AGENT']);
-    $ip     = $_SERVER['REMOTE_ADDR'];
-    $qs     = addslashes($_SERVER['QUERY_STRING']);
-    $vtime  = date("Y-m-d H:i:s");
-
-    $sql="insert into pv_log(vpage,querystring,remoteip,ua,vtime)
-                  values ('".$vpage."','".$qs."','".$ip."', '".$ua."','".$vtime."')";
-
-    $mysqli->query($sql);
-   
-}
-function pv_counter($user=''){
-    global $mysqli;
-    $hits=0;           //set default page hits 0;
-    $page=$_SERVER['PHP_SELF'];
-  
-    $lmtime=date("Y-m-d H:i:s");
-  
-    $sql="select hits from pv_counter where page_name='".$page."'";
-    $result=$mysqli->query($sql);
-    $rt=$result->fetch_all(MYSQLI_ASSOC);
-    
-    $n=count($rt);
-    if($n<1){
-        $sql =  "insert into pv_counter(page_id,Page_name,hits,lm_date,lm_ip,lm_user)
-                values (null,
-                    '".$page."','1','".$lmtime."',
-                    '".$_SERVER['REMOTE_ADDR']."','".$user."')";
-  
-        $mysqli->query($sql);
-        $hits=1;
-    }
-    if($n==1){
-        $hits=$rt[0]['hits'];
-        $hits++;
-        $sql="update pv_counter set hits='".$hits."',lm_date='".$lmtime."',
-                lm_ip='".$_SERVER['REMOTE_ADDR']."',lm_user='".$user."' where page_name='".$page."'";
-      $mysqli->query($sql);
-    }
-    if($n>1){
-      $display= "<p align='center'>There is error on pv_counter </p>";
-                  return $display;
-    }
-    $sql="select sum(hits) hits_all from pv_counter";
-    $result=$mysqli->query($sql);
-    $hits_all=$result->fetch_all(MYSQLI_ASSOC);
-    $display="Page hits: ".$hits." Total: ".$hits_all[0]['hits_all'];
-    echo  $display;
-  
-  }
-log_pv();
-pv_counter($user='');
-$mysqli->close();
+include_once __DIR__ . "/../inc/functions.inc.php";
+page_counter();
 ?>
 </span>
 </div>