refactor(database): 将SQL Server连接从sqlsrv改为FreeTDS方式

修改数据库连接方式以使用mssql扩展替代sqlsrv扩展，适配FreeTDS配置
更新相关查询和错误处理逻辑，确保功能一致性

E3_ycsys.php

@@ -1,19 +1,22 @@
 <?php
-// 连接SQL Server数据库
-$serverName = "localhost";
-$connectionOptions = array(
-    "Database" => "your_database",
-    "Uid" => "your_username",
-    "PWD" => "your_password"
-);
-// 检查 sqlsrv 扩展是否已加载
-if (!extension_loaded('sqlsrv')) {
-    die('SQLSRV 扩展未加载，请检查 PHP 配置。');
-}
-$conn = sqlsrv_connect($serverName, $connectionOptions);
+// 连接SQL Server数据库(FreeTDS方式)
+$server = 'localhost';
+$database = 'your_database';
+$username = 'your_username';
+$password = 'your_password';
 
+// 检查mssql扩展是否已加载
+if (!function_exists('mssql_connect')) {
+    die('mssql 扩展未加载，请检查PHP配置并安装FreeTDS');
+}
+
+$conn = mssql_connect($server, $username, $password);
 if (!$conn) {
-    die(print_r(sqlsrv_errors(), true));
+    die('无法连接数据库: ' . mssql_get_last_message());
+}
+
+if (!mssql_select_db($database, $conn)) {
+    die('无法选择数据库: ' . mssql_get_last_message());
 }
 
 // 处理开关操作
@@ -22,19 +25,26 @@ if (isset($_GET['action']) && isset($_GET['id'])) {
     $status = $_GET['action'] == 'enable' ? 1 : 0;
     
     // 更新状态
-    $sql = "UPDATE features SET status = ? WHERE id = ?";
-    $params = array($status, $id);
-    $stmt = sqlsrv_query($conn, $sql, $params);
+    $sql = "UPDATE features SET status = $status WHERE id = '$id'";
+    $result = mssql_query($sql, $conn);
+    if (!$result) {
+        die('更新失败: ' . mssql_get_last_message());
+    }
     
     // 记录日志
-    $logSql = "INSERT INTO operation_logs (feature_id, action, operation_time) VALUES (?, ?, GETDATE())";
-    $logParams = array($id, $_GET['action']);
-    sqlsrv_query($conn, $logSql, $logParams);
+    $logSql = "INSERT INTO operation_logs (feature_id, action, operation_time) VALUES ('$id', '{$_GET['action']}', GETDATE())";
+    $logResult = mssql_query($logSql, $conn);
+    if (!$logResult) {
+        die('日志记录失败: ' . mssql_get_last_message());
+    }
 }
 
 // 查询功能列表
 $sql = "SELECT id, name, description, status FROM features";
-$stmt = sqlsrv_query($conn, $sql);
+$stmt = mssql_query($sql, $conn);
+if (!$stmt) {
+    die('查询失败: ' . mssql_get_last_message());
+}
 
 // 微信HTML5页面
 header('Content-Type: text/html; charset=utf-8');
@@ -81,5 +91,5 @@ header('Content-Type: text/html; charset=utf-8');
 </body>
 </html>
 <?php
-sqlsrv_close($conn);
+mssql_close($conn);
 ?>