nanobanana初版

+{
+  "api_key": "AIzaSyBRIH8iItqTZXg7d4zAWVNhyit2CZbXWIU",
+  "saved_prompts": [
+    "生成一张白人夫妻正常的买家秀展现我的戒指",
+    "主石换成闪耀的鸽血红红宝石，火彩非常好",
+    "生成一张白人夫妻在自家后院里的椅子坐着，亲密姿态，展现笑容，妻子手背捂嘴笑来展现我的戒指，两个人年龄大概40岁上下，男性微胖，女性短发，男士和女士脸上有一些痕迹，手要略显粗糙，普通人长相",
+    "一副美丽的嵖岈山风景，冬日清晨，初雪"
+  ],
+  "db_config": {
+    "host": "rm-uf6hx9ka75jdm2474xo.mysql.rds.aliyuncs.com",
+    "port": 3306,
+    "user": "root",
+    "password": "Np2KfoleLon3nqDpDbdjPa3Rqe",
+    "database": "saas_user",
+    "table": "nano_banana_users"
+  },
+  "last_user": "testuser",
+  "saved_password_hash": ""
+}
\ No newline at end of file

@@ -21,6 +21,7 @@ from google.genai import types
 import threading
 import hashlib
 import pymysql
+from datetime import datetime
 
 
 def hash_password(password: str) -> str:
@@ -384,13 +385,14 @@ class ImageGeneratorApp:
         style.configure('Accent.TButton',
                        background=accent_color,
                        foreground='white',
-                       borderwidth=0,
+                       borderwidth=1,
+                       relief='solid',
                        focuscolor='none',
                        font=('Segoe UI', 10),
                        padding=(18, 8))
-        
+
         style.map('Accent.TButton',
-                 background=[('active', hover_color), ('pressed', hover_color)],
+                 background=[('active', hover_color), ('pressed', '#003D99')],
                  foreground=[('disabled', '#999999')])
         
         # Secondary button style
@@ -398,23 +400,24 @@ class ImageGeneratorApp:
                        background=secondary_bg,
                        foreground=text_color,
                        borderwidth=1,
-                       relief='flat',
+                       relief='solid',
                        font=('Segoe UI', 9),
                        padding=(12, 6))
-        
+
         style.map('Secondary.TButton',
-                 background=[('active', '#e8e8e8'), ('pressed', '#d8d8d8')])
+                 background=[('active', '#e8e8e8'), ('pressed', '#c8c8c8')])
         
         # Icon button style (small, subtle)
         style.configure('Icon.TButton',
                        background=bg_color,
                        foreground='#666666',
-                       borderwidth=0,
+                       borderwidth=1,
+                       relief='solid',
                        font=('Segoe UI', 9),
                        padding=(4, 4))
-        
+
         style.map('Icon.TButton',
-                 background=[('active', secondary_bg)],
+                 background=[('active', secondary_bg), ('pressed', '#d8d8d8')],
                  foreground=[('active', accent_color)])
         
         # Delete button style (visible with red hover)
@@ -470,6 +473,7 @@ class ImageGeneratorApp:
         # 初始化默认值
         self.db_config = None
         self.last_user = ""
+        self.saved_password_hash = ""
 
         # Try to load from user config first
         if config_path.exists():
@@ -480,6 +484,7 @@ class ImageGeneratorApp:
                     self.saved_prompts = config.get("saved_prompts", [])
                     self.db_config = config.get("db_config")
                     self.last_user = config.get("last_user", "")
+                    self.saved_password_hash = config.get("saved_password_hash", "")
             except Exception as e:
                 print(f"Failed to load config from {config_path}: {e}")
 
@@ -525,6 +530,12 @@ class ImageGeneratorApp:
             else:
                 config["last_user"] = ""
 
+            # 添加保存的密码哈希
+            if hasattr(self, 'saved_password_hash'):
+                config["saved_password_hash"] = self.saved_password_hash
+            else:
+                config["saved_password_hash"] = ""
+
             # Ensure directory exists
             config_path.parent.mkdir(parents=True, exist_ok=True)
 
@@ -590,7 +601,7 @@ class ImageGeneratorApp:
         prompt_toolbar.pack(fill="x", pady=(0, 8))
         
         self.save_prompt_btn = ttk.Button(prompt_toolbar, text="⭐ 收藏",
-                                     command=self.save_prompt,
+                                     command=self.toggle_favorite,
                                      style='Icon.TButton')
         self.save_prompt_btn.pack(side="left", padx=(0, 5))
         self.bind_hover_effect(self.save_prompt_btn)
@@ -616,7 +627,10 @@ class ImageGeneratorApp:
                                                      bg='#fafafa')
         self.prompt_text.pack(fill="both", expand=True)
         self.prompt_text.insert("1.0", "一幅美丽的风景画，有山有湖，日落时分")
-        
+
+        # Bind text change event to check favorite status
+        self.prompt_text.bind('<<Modified>>', self.on_prompt_change)
+
         # Right: Settings Section
         settings_container = ttk.LabelFrame(content_row, text="生成设置", padding=12)
         settings_container.pack(side="right", fill="y")
@@ -633,14 +647,7 @@ class ImageGeneratorApp:
         self.image_size = ttk.Combobox(settings_container, width=18, state="readonly")
         self.image_size['values'] = ("1K", "2K", "4K")
         self.image_size.current(1)
-        self.image_size.pack(fill="x", pady=(0, 12))
-        
-        # Model
-        ttk.Label(settings_container, text="AI 模型", foreground='#666666').pack(anchor="w", pady=(0, 4))
-        self.model = ttk.Combobox(settings_container, width=18, state="readonly")
-        self.model['values'] = ("gemini-3-pro-image-preview")
-        self.model.current(0)
-        self.model.pack(fill="x", pady=(0, 0))
+        self.image_size.pack(fill="x", pady=(0, 0))
         
         # Action buttons
         action_frame = ttk.Frame(main_container)
@@ -718,28 +725,43 @@ class ImageGeneratorApp:
             self.saved_prompts_combo['values'] = display_prompts
         else:
             self.saved_prompts_combo['values'] = []
-    
-    def save_prompt(self):
-        """Save current prompt to favorites"""
+
+    def check_favorite_status(self):
+        """Check if current prompt is favorited and update button state"""
+        prompt = self.prompt_text.get("1.0", tk.END).strip()
+        if prompt in self.saved_prompts:
+            self.save_prompt_btn.config(text="✓ 已收藏")
+        else:
+            self.save_prompt_btn.config(text="⭐ 收藏")
+
+    def on_prompt_change(self, event=None):
+        """Callback when prompt text changes"""
+        # Clear the modified flag to avoid repeated triggers
+        self.prompt_text.edit_modified(False)
+        self.check_favorite_status()
+
+    def toggle_favorite(self):
+        """Toggle favorite status of current prompt"""
         prompt = self.prompt_text.get("1.0", tk.END).strip()
         if not prompt:
             self.status_label.config(text="● 提示词不能为空", foreground='#FF3B30')
             return
 
         if prompt in self.saved_prompts:
-            self.status_label.config(text="● 该提示词已收藏", foreground='#FF9500')
-            self.save_prompt_btn.config(text="✓ 已收藏")
-            # 2秒后恢复按钮文本
-            self.root.after(2000, lambda: self.save_prompt_btn.config(text="⭐ 收藏"))
-            return
-
-        self.saved_prompts.append(prompt)
-        self.save_config()
-        self.update_saved_prompts_list()
-        self.status_label.config(text="● 已收藏提示词", foreground='#34C759')
-        self.save_prompt_btn.config(text="✓ 已收藏")
-        # 2秒后恢复按钮文本
-        self.root.after(2000, lambda: self.save_prompt_btn.config(text="⭐ 收藏"))
+            # Remove from favorites
+            self.saved_prompts.remove(prompt)
+            self.save_config()
+            self.update_saved_prompts_list()
+            self.status_label.config(text="● 该提示词已取消收藏", foreground='#34C759')
+        else:
+            # Add to favorites
+            self.saved_prompts.append(prompt)
+            self.save_config()
+            self.update_saved_prompts_list()
+            self.status_label.config(text="● 该提示词已收藏", foreground='#34C759')
+
+        # Update button state
+        self.check_favorite_status()
     
     def load_saved_prompt(self, event):
         """Load a saved prompt"""
@@ -748,6 +770,7 @@ class ImageGeneratorApp:
             self.prompt_text.delete("1.0", tk.END)
             self.prompt_text.insert("1.0", self.saved_prompts[index])
             self.status_label.config(text="● 已加载提示词", foreground='#007AFF')
+            self.check_favorite_status()
     
     def delete_saved_prompt(self):
         """Delete the currently selected saved prompt"""
@@ -929,7 +952,7 @@ class ImageGeneratorApp:
 
             # Generate
             response = client.models.generate_content(
-                model=self.model.get(),
+                model="gemini-3-pro-image-preview",
                 contents=content_parts,
                 config=config
             )
@@ -1028,8 +1051,12 @@ class ImageGeneratorApp:
             messagebox.showerror("错误", "没有可下载的图片！")
             return
 
+        # 生成默认文件名: 时间戳格式 YYYYMMDDHHMMSS.png
+        default_filename = datetime.now().strftime("%Y%m%d%H%M%S.png")
+
         file_path = filedialog.asksaveasfilename(
             defaultextension=".png",
+            initialfile=default_filename,
             filetypes=[("PNG 文件", "*.png"), ("JPEG 文件", "*.jpg"), ("所有文件", "*.*")],
             title="保存图片"
         )