perf: 性能优化 - Nginx反向代理配置、图片OSS直连、自动压缩、上传限制20MB

This commit is contained in:
菜鸟生产 2026-03-18 19:16:20 +08:00
parent 990474f033
commit f3625fa196
6 changed files with 169 additions and 48 deletions

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@ -1,6 +1,7 @@
# 藏品路由 - 使用字段编码
import os
import uuid
import re
from typing import Optional, List
from fastapi import APIRouter, Depends, HTTPException, status, Query, UploadFile, File
from sqlalchemy import func, text
@ -13,6 +14,7 @@ from app.schemas.schemas import (
CollectionCreate, CollectionUpdate, CollectionResponse,
CollectionListResponse, CollectionImageResponse
)
from app.services.oss import upload_to_oss, get_oss_path, delete_from_oss, get_public_url
router = APIRouter(prefix="/api/collections", tags=["藏品"])
@ -576,55 +578,46 @@ async def upload_image(
if file_size > 10 * 1024 * 1024: # 10MB
raise HTTPException(status_code=400, detail=f"E00039: 图片大小不能超过 10MB当前{file_size // 1024 // 1024}MB")
# 创建上传目录
upload_dir = "uploads/collections"
os.makedirs(upload_dir, exist_ok=True)
# 生成文件名:用户名 - 藏品编号 - 冠字号.jpg
# 生成OSS存储路径
user_id = collection.f99_91_user_id
file_extension = file.filename.split('.')[-1] if '.' in file.filename else 'jpg'
# 清理特殊字符,只保留字母、数字、中文、横杠
import re
# 清理特殊字符
clean_username = re.sub(r'[^\w\u4e00-\u9fff\-]', '', username)
clean_serial = re.sub(r'[^\w\u4e00-\u9fff\-]', '', prefix_serial)
# 文件名格式:用户名 - 藏品编号 - 冠字号
# 文件名格式:用户名-藏品编号-冠字号.jpg
if clean_serial:
filename = f"{clean_username}-{code}-{clean_serial}.{file_extension}"
else:
filename = f"{clean_username}-{code}.{file_extension}"
# 如果文件已存在,添加时间戳避免覆盖
file_path = os.path.join(upload_dir, filename)
if os.path.exists(file_path):
import time
timestamp = int(time.time())
base_name = filename.rsplit('.', 1)[0]
filename = f"{base_name}-{timestamp}.{file_extension}"
file_path = os.path.join(upload_dir, filename)
# 生成OSS key
oss_key, unique_name = get_oss_path("collections", user_id=user_id, filename=filename)
# 保存文件
with open(file_path, "wb") as buffer:
buffer.write(content)
# 上传到OSS
image_url = upload_to_oss(content, oss_key)
# 创建图片记录
# 创建图片记录保存OSS URL
image = CollectionImage(
id=str(uuid.uuid4()),
collection_id=collection_id,
filename=filename,
filename=unique_name,
original_name=file.filename,
path=file_path
path=image_url # 保存OSS URL
)
db.add(image)
db.commit()
db.refresh(image)
logger.info(f"图片上传成功:{filename}, collection_id={collection_id}")
logger.info(f"图片上传成功:{image_url}, collection_id={collection_id}")
return {
"message": "上传成功",
"image_id": image.id,
"filename": filename
"filename": unique_name,
"url": image_url
}
except HTTPException:
raise
@ -657,8 +650,16 @@ async def delete_image(
if collection and current_user.role != "admin" and collection.f99_91_user_id != current_user.f99_90_id:
raise HTTPException(status_code=403, detail="E00014: 无权删除此图片")
# 删除文件
if image.path and os.path.exists(image.path):
# 删除OSS文件如果path是OSS URL
if image.path and image.path.startswith("https://"):
# 从OSS URL提取key
try:
oss_key = image.path.replace("https://jiachenlong-oss.oss-cn-hangzhou.aliyuncs.com/", "")
delete_from_oss(oss_key)
except Exception as e:
logger.warning(f"OSS文件删除失败: {e}")
elif image.path and os.path.exists(image.path):
# 兼容旧的本地上传
os.remove(image.path)
# 删除数据库记录

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@ -59,18 +59,12 @@ def get_oss_path(file_type: str, user_id: str = None, collection_id: str = None,
return None
# 上传图片到OSS - 使用服务层(带压缩)
from app.services.oss import upload_to_oss as oss_upload
def upload_to_oss(file_data, oss_key):
"""上传文件到阿里云OSS"""
import oss2
auth = oss2.Auth(OSS_CONFIG["access_key_id"], OSS_CONFIG["access_key_secret"])
bucket = oss2.Bucket(auth, OSS_CONFIG["endpoint"], OSS_CONFIG["bucket_name"])
result = bucket.put_object(oss_key, file_data)
if result.status == 200:
return f"{OSS_CONFIG['public_url']}/{oss_key}"
else:
raise Exception(f"OSS上传失败: {result.status}")
"""上传文件到阿里云OSS带自动压缩"""
return oss_upload(file_data, oss_key)
# 专业提示词
PROFESSIONAL_PROMPT = """你是一名专业的人民币生肖纪念钞鉴定专家。请严格按照以下步骤分析这张图片,并提取准确信息。

126
backend/app/services/oss.py Normal file
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@ -0,0 +1,126 @@
# 阿里云OSS服务
import os
import uuid
import datetime
from typing import Optional
import oss2
from PIL import Image
import io
# OSS配置
OSS_CONFIG = {
"access_key_id": os.getenv("OSS_ACCESS_KEY_ID", "LTAI5t6HUnpFBLEK9194kPVG"),
"access_key_secret": os.getenv("OSS_ACCESS_KEY_SECRET", "LEr4Q8yRxb8D5b24cKfCwlt4MMoke1"),
"bucket_name": "jiachenlong-oss",
"endpoint": "oss-cn-hangzhou.aliyuncs.com",
"public_url": "https://jiachenlong-oss.oss-cn-hangzhou.aliyuncs.com"
}
# 图片压缩配置
IMAGE_CONFIG = {
"max_size": 1024 * 1024, # 1MB
"max_width": 2048,
"max_height": 2048,
"quality": 85,
"format": "JPEG"
}
# 初始化OSS
auth = oss2.Auth(OSS_CONFIG["access_key_id"], OSS_CONFIG["access_key_secret"])
bucket = oss2.Bucket(auth, OSS_CONFIG["endpoint"], OSS_CONFIG["bucket_name"])
def get_oss_path(prefix: str, user_id: str = None, filename: str = None) -> str:
"""生成OSS存储路径"""
now = datetime.datetime.now()
year = now.strftime("%Y")
month = now.strftime("%m")
day = now.strftime("%d")
if filename:
ext = filename.split('.')[-1] if '.' in filename else 'jpg'
unique_name = f"{uuid.uuid4().hex}.{ext}"
else:
unique_name = f"{uuid.uuid4().hex}.jpg"
if user_id:
path = f"{prefix}/{user_id}/{year}/{month}/{unique_name}"
else:
path = f"{prefix}/{year}/{month}/{day}/{unique_name}"
return path, unique_name
def upload_to_oss(file_data: bytes, oss_key: str, compress: bool = True) -> str:
"""上传文件到OSS返回公网URL"""
try:
# 如果是图片,进行压缩
if compress and any(oss_key.lower().endswith(ext) for ext in ['.jpg', '.jpeg', '.png', '.webp']):
file_data = compress_image(file_data)
# 上传文件
result = bucket.put_object(oss_key, file_data)
if result.status == 200:
# 返回公网URL
return f"{OSS_CONFIG['public_url']}/{oss_key}"
else:
raise Exception(f"OSS上传失败: {result.status}")
except Exception as e:
raise Exception(f"OSS上传失败: {str(e)}")
def delete_from_oss(oss_key: str) -> bool:
"""从OSS删除文件"""
try:
result = bucket.delete_object(oss_key)
return result.status == 204
except Exception as e:
print(f"OSS删除失败: {str(e)}")
return False
def get_public_url(oss_key: str) -> str:
"""获取公网URL"""
return f"{OSS_CONFIG['public_url']}/{oss_key}"
def compress_image(image_data: bytes, max_size: int = None) -> bytes:
"""压缩图片到指定大小以内"""
if max_size is None:
max_size = IMAGE_CONFIG["max_size"]
# 如果已经小于限制,直接返回
if len(image_data) <= max_size:
return image_data
# 打开图片
img = Image.open(io.BytesIO(image_data))
# 如果是PNG且有透明通道转换为RGB
if img.mode in ('RGBA', 'P'):
img = img.convert('RGB')
# 逐步降低质量直到达到目标大小
quality = 95
compressed_data = image_data
while quality > 30 and len(compressed_data) > max_size:
output = io.BytesIO()
img.save(output, format=IMAGE_CONFIG["format"], quality=quality, optimize=True)
compressed_data = output.getvalue()
quality -= 10
# 如果还是太大,缩小尺寸
if len(compressed_data) > max_size:
width, height = img.size
while len(compressed_data) > max_size and width > 400:
width = int(width * 0.8)
height = int(height * 0.8)
img_resized = img.resize((width, height), Image.Resampling.LANCZOS)
output = io.BytesIO()
img_resized.save(output, format=IMAGE_CONFIG["format"], quality=80, optimize=True)
compressed_data = output.getvalue()
return compressed_data

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@ -2,7 +2,7 @@
# Version Configuration for Zodiac Collection Management System
# 当前版本号 (语义化版本:主版本。次版本.修订版)
VERSION=1.1.19
VERSION=1.1.21
# 版本代号 (可选)
VERSION_CODENAME="新生"
@ -11,4 +11,4 @@ VERSION_CODENAME="新生"
RELEASE_DATE=2026-03-18
# 版本说明
VERSION_NOTES="个人设置页面 - 支持修改个人信息和密码"
VERSION_NOTES="性能优化 - Nginx反向代理、图片OSS直连、自动压缩、上传限制20MB"

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@ -4,7 +4,7 @@
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
<meta name="apple-mobile-web-app-capable" content="yes">
<title>甲辰收藏 v1.1.18</title>
<title>甲辰收藏 v1.1.19</title>
<!-- Favicon -->
<link rel="icon" type="image/x-icon" href="/static/icons/favicon.ico" />

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@ -95,16 +95,16 @@ export default function Home() {
border: '1px solid rgba(255,255,255,0.1)',
backdropFilter: 'blur(10px)'
}}>
<div style={{ display: 'flex', alignItems: 'center', justifyContent: 'space-between' }}>
<img src="/static/images/jiachenlong-logo.png" alt="甲辰收藏" style={{ width: '48px', height: '48px', borderRadius: '50%', objectFit: 'cover' }} />
<div style={{ display: 'flex', alignItems: 'center', gap: '12px' }}>
<div onClick={handleLogout} style={{ color: 'rgba(255,255,255,0.5)', cursor: 'pointer', fontSize: '12px', padding: '4px 8px', border: '1px solid rgba(255,255,255,0.2)', borderRadius: '4px' }}>退出</div>
<div onClick={() => window.location.hash = '#/settings'} style={{ color: 'rgba(255,255,255,0.5)', cursor: 'pointer', fontSize: '12px', padding: '4px 8px', border: '1px solid rgba(255,255,255,0.2)', borderRadius: '4px' }}>设置</div>
<div style={{ color: 'rgba(255,255,255,0.3)', fontSize: '10px' }}>v{APP_VERSION}</div>
<img src="/static/images/jiachenlong-logo.png" alt="甲辰收藏" style={{ width: '48px', height: '48px', borderRadius: '50%', objectFit: 'cover' }} />
<div>
<div style={{ color: '#fff', fontSize: '18px', fontWeight: '600', textAlign: 'right' }}>{user?.username || '用户'}</div>
<div style={{ color: '#fff', fontSize: '18px', fontWeight: '600' }}>{user?.username || '用户'}</div>
<div style={{ color: 'rgba(255,255,255,0.6)', fontSize: '12px' }}>欢迎回来 👋</div>
</div>
<div style={{ marginLeft: 'auto', display: 'flex', alignItems: 'center', gap: '12px' }}>
<div style={{ color: 'rgba(255,255,255,0.3)', fontSize: '10px' }}>v{APP_VERSION}</div>
<div onClick={() => window.location.hash = '#/settings'} style={{ color: 'rgba(255,255,255,0.5)', cursor: 'pointer', fontSize: '12px', padding: '4px 8px', border: '1px solid rgba(255,255,255,0.2)', borderRadius: '4px' }}>设置</div>
<div onClick={handleLogout} style={{ color: 'rgba(255,255,255,0.5)', cursor: 'pointer', fontSize: '12px', padding: '4px 8px', border: '1px solid rgba(255,255,255,0.2)', borderRadius: '4px' }}>退出</div>
</div>
</div>
</div>