初始提交，未完全测试

template/ext/directive/NumberDirective.py

@@ -0,0 +1,34 @@
+#!/usr/bin/env python3.9
+# -*- coding: utf-8 -*-
+"""
+JFinal NumberDirective - Number Directive
+"""
+
+from ...Directive import Directive
+from ...Env import Env
+from ...stat.Scope import Scope
+
+class NumberDirective(Directive):
+    """Number directive for number formatting"""
+    
+    def exec(self, env: Env, scope: Scope, writer) -> None:
+        """
+        Execute number directive
+        
+        Args:
+            env: Template environment
+            scope: Execution scope
+            writer: Output writer
+        """
+        if self.expr_list:
+            # Get number value
+            number_value = self.expr_list.eval(scope)
+            
+            if number_value is not None:
+                # Format number
+                formatted = str(number_value)
+                if hasattr(writer, 'write'):
+                    writer.write(formatted)
+    
+    def __repr__(self) -> str:
+        return "NumberDirective()"