前端分流页功能

2026-06-05 04:22:29 +08:00
parent 8afe25a960
commit 34d76cce74
120 changed files with 10782 additions and 284 deletions
@@ -15,6 +15,29 @@ class SplitAutoReplyService
    /** 单条最大字符数 */
    private const MAX_LINE_LENGTH = 500;

+    /** 列表预览最大字符数 */
+    private const LIST_PREVIEW_MAX = 20;
+
+    /**
+     * 列表单元格预览（单行最多 50 字，超出加 ...）
+     */
+    public static function previewForList(string $raw, int $max = self::LIST_PREVIEW_MAX): string
+    {
+        $display = self::formatDisplay($raw);
+        if ($display === '') {
+            return '';
+        }
+        $flat = preg_replace('/\s+/u', ' ', str_replace(["\r\n", "\r", "\n"], ' ', $display));
+        $flat = trim((string) $flat);
+        if ($flat === '') {
+            return '';
+        }
+        if (mb_strlen($flat, 'UTF-8') <= $max) {
+            return $flat;
+        }
+        return mb_substr($flat, 0, $max, 'UTF-8') . '...';
+    }
+
    /**
     * 解析为多行文本数组
     *