From 3610bedb39f1ded81feded2e85c900dd9d7e4e10 Mon Sep 17 00:00:00 2001
From: 24024 <240241002@qq.com>
Date: Fri, 24 Apr 2026 23:42:12 +0800
Subject: [PATCH] =?UTF-8?q?```=20feat(admin):=20=E7=B3=BB=E7=BB=9F?=
=?UTF-8?q?=E9=80=9A=E7=9F=A5=E5=8A=9F=E8=83=BD=E5=A2=9E=E5=8A=A0=E5=9B=BE?=
=?UTF-8?q?=E7=89=87=E6=94=AF=E6=8C=81?=
MIME-Version: 1.0
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- 在SystemNotification模型中添加image_urls字段用于存储图片URL列表
- 实现通知图片的上传、保存和展示功能
- 前端模板增加图片预览模态框和图片上传组件
- 优化通知管理页面的UI布局，支持多图展示
- 完善图片相关的前后端交互逻辑和错误处理
```
---
blueprints/admin.py | 6 +
.../b3f4c2d9aa10_add_notification_images.py | 24 ++++
models.py | 1 +
services/system_service.py | 6 +
templates/base.html | 39 ++++-
templates/notifications.html | 136 ++++++++++++++----
6 files changed, 185 insertions(+), 27 deletions(-)
create mode 100644 migrations/versions/b3f4c2d9aa10_add_notification_images.py
diff --git a/blueprints/admin.py b/blueprints/admin.py
index 2e27470..9f9d7b4 100644
--- a/blueprints/admin.py
+++ b/blueprints/admin.py
@@ -1,5 +1,6 @@
from flask import Blueprint, request, jsonify, g
from datetime import timedelta
+import json
from extensions import db
from models import User, Role, Permission, SystemDict, SystemNotification, Order, PointsGrant, InviteReward, to_bj_time, get_bj_now
from middlewares.auth import permission_required, login_required
@@ -234,6 +235,7 @@ def get_notifications():
"id": n.id,
"title": n.title,
"content": n.content,
+ "image_urls": json.loads(n.image_urls) if n.image_urls else [],
"is_active": n.is_active,
"created_at": n.created_at_bj.strftime('%Y-%m-%d %H:%M')
} for n in notifs]
@@ -244,6 +246,9 @@ def get_notifications():
def save_notification():
data = request.json
notif_id = data.get('id')
+ image_urls = data.get('image_urls') or []
+ if not isinstance(image_urls, list):
+ image_urls = []
if notif_id:
n = SystemNotification.query.get(notif_id)
@@ -256,6 +261,7 @@ def save_notification():
n.title = data['title']
n.content = data['content']
+ n.image_urls = json.dumps(image_urls, ensure_ascii=False)
n.is_active = data.get('is_active', True)
db.session.commit()
diff --git a/migrations/versions/b3f4c2d9aa10_add_notification_images.py b/migrations/versions/b3f4c2d9aa10_add_notification_images.py
new file mode 100644
index 0000000..c0564a9
--- /dev/null
+++ b/migrations/versions/b3f4c2d9aa10_add_notification_images.py
@@ -0,0 +1,24 @@
+"""add notification images
+
+Revision ID: b3f4c2d9aa10
+Revises: 0cc7ce54ecc0
+Create Date: 2026-04-24 23:20:00.000000
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'b3f4c2d9aa10'
+down_revision = '0cc7ce54ecc0'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+ op.add_column('system_notifications', sa.Column('image_urls', sa.Text(), nullable=True))
+
+
+def downgrade():
+ op.drop_column('system_notifications', 'image_urls')
diff --git a/models.py b/models.py
index 5e14be4..2e85310 100644
--- a/models.py
+++ b/models.py
@@ -133,6 +133,7 @@ class SystemNotification(db.Model):
id = db.Column(db.Integer, primary_key=True)
title = db.Column(db.String(200), nullable=False)
content = db.Column(db.Text, nullable=False)
+ image_urls = db.Column(db.Text) # JSON 字符串，存储公告图片 URL 列表
is_active = db.Column(db.Boolean, default=True)
created_at = db.Column(db.DateTime, default=get_bj_now)
diff --git a/services/system_service.py b/services/system_service.py
index f2d4a61..2775772 100644
--- a/services/system_service.py
+++ b/services/system_service.py
@@ -1,5 +1,6 @@
from models import SystemDict, SystemNotification, db
from flask import jsonify
+import json
def get_system_config_data():
"""获取系统配置数据的业务逻辑"""
@@ -40,10 +41,15 @@ def get_user_latest_notification(user_id):
.order_by(SystemNotification.created_at.desc()).first()
if latest:
+ try:
+ image_urls = json.loads(latest.image_urls) if latest.image_urls else []
+ except Exception:
+ image_urls = []
return {
"id": latest.id,
"title": latest.title,
"content": latest.content,
+ "image_urls": image_urls,
"time": latest.created_at_bj.strftime('%Y-%m-%d %H:%M')
}
return {"id": None}
diff --git a/templates/base.html b/templates/base.html
index 20c8407..74901a4 100644
--- a/templates/base.html
+++ b/templates/base.html
@@ -114,6 +114,7 @@
+