实现方案导入导出，根据选项自动生成文件名

web/myweb.py

@@ -5,19 +5,30 @@ import json
 
 
 class Api:
-  def button_click(self):
-    print("button click.")
-    path=os.path.split(os.path.abspath(sys.argv[0]))[0]
-    print(path)
-    result = wnd.create_file_dialog(dialog_type=wb.FOLDER_DIALOG,directory=path)
-    print(result)
-    return result[0] if result else ''
 
-  def save_plan(slef,plan:str):
+  def __init__(self) -> None:
+    self.path=os.path.split(os.path.abspath(sys.argv[0]))[0]
+
+  def load_plan(self):
+    print("button click.")
+    print(self.path)
+    result = wnd.create_file_dialog(dialog_type=wb.OPEN_DIALOG,directory=self.path,
+                                    file_types=('JSON (*.json)', 'All files (*.*)'))
+    print(result)
+    if(result is None):
+      return None
+    if(len(result)>0):
+      with open(result[0],encoding="utf-8") as f:
+        return json.loads(f.read())
+    return None
+
+  def save_plan(slef,plan:dict):
     path=os.path.split(os.path.abspath(sys.argv[0]))[0]
-    file_name=wnd.create_file_dialog(dialog_type=wb.SAVE_DIALOG,directory=path,save_filename="默认方案",
+    file_name=wnd.create_file_dialog(dialog_type=wb.SAVE_DIALOG,directory=path,save_filename=plan["PlanBrief"],
                            file_types=('JSON (*.json)', 'All files (*.*)'))
     print(file_name)
+    if(file_name is None):
+      return
     json_str=json.dumps(plan, sort_keys=True, indent=4, separators=(',', ': '),ensure_ascii=False)
     with open(file_name,"w+",encoding="utf-8") as f:
       f.write(json_str)