feat: 优化表单提交逻辑和添加表单验证

refactor: 重构后端模型验证逻辑

fix: 修复资源文件路径处理和下载服务

style: 调整前端样式和布局

perf: 优化AI错误处理和提示信息

docs: 更新上传组件提示信息

test: 添加表单提交测试用例

chore: 更新依赖和配置文件

backend/app/api/v1/module_system/notice/schema.py

@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 
 from typing import Optional
-from pydantic import BaseModel, ConfigDict, Field
+from pydantic import BaseModel, ConfigDict, Field, field_validator, model_validator
 
 from app.core.base_schema import BaseSchema
 
@@ -14,6 +14,42 @@ class NoticeCreateSchema(BaseModel):
     status: bool = Field(default=True, description="是否启用(True:启用 False:禁用)")
     description: Optional[str] = Field(default=None, max_length=255, description="描述")
 
+    @model_validator(mode='before')
+    @classmethod
+    def _normalize(cls, values):
+        if isinstance(values, dict):
+            # 字符串去空格
+            for k in ["notice_title", "notice_type", "notice_content", "description"]:
+                if k in values and isinstance(values[k], str):
+                    values[k] = values[k].strip() or None if values[k].strip() == "" and k == "description" else values[k].strip()
+            # 布尔兼容
+            if "status" in values and isinstance(values["status"], str):
+                values["status"] = values["status"].strip().lower() in {"true", "1", "yes", "y"}
+            # 类型映射
+            mapping = {"1": "1", "2": "2", "通知": "1", "公告": "2", "notice": "1", "announcement": "2"}
+            if "notice_type" in values and isinstance(values["notice_type"], str):
+                v = values["notice_type"].strip().lower()
+                if v in mapping:
+                    values["notice_type"] = mapping[v]
+        return values
+
+    @field_validator("notice_type")
+    @classmethod
+    def _validate_notice_type(cls, value: str):
+        if value not in {"1", "2"}:
+            raise ValueError("公告类型仅支持 '1'(通知) 或 '2'(公告)")
+        return value
+
+    @model_validator(mode='after')
+    def _validate_after(self):
+        if not self.notice_title.strip():
+            raise ValueError("公告标题不能为空")
+        if not self.notice_content.strip():
+            raise ValueError("公告内容不能为空")
+        if self.status is False and (not self.description or not str(self.description).strip()):
+            raise ValueError("禁用状态下必须填写描述")
+        return self
+
 
 class NoticeUpdateSchema(NoticeCreateSchema):
     """公告通知更新模型"""