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WebServer/app.py
2025-09-03 14:04:55 +08:00

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from waitress import serve
from flask import Flask, render_template, request, redirect, url_for, jsonify, session, send_from_directory, g
from flask_compress import Compress
from datetime import datetime
import os
import logging
import time
import random
from config import COMPANY_INFO, DATA_DIR, LOG_DIR
from languages import LANGUAGES, TRANSLATIONS, DEFAULT_LANGUAGE
import pandas as pd
app = Flask(__name__, template_folder='templates')
app.secret_key = os.urandom(24) # 设置会话密钥
# 初始化Gzip压缩
compress = Compress()
compress.init_app(app)
# 配置日志
if not os.path.exists(LOG_DIR):
os.makedirs(LOG_DIR)
logging.basicConfig(
filename=os.path.join(LOG_DIR, 'app.log'),
level=logging.INFO,
format='%(asctime)s - %(levelname)s - %(message)s'
)
# 确保数据目录存在
if not os.path.exists(DATA_DIR):
os.makedirs(DATA_DIR)
# 获取当前语言
def get_current_language():
return session.get('language', DEFAULT_LANGUAGE)
# 设置语言
@app.route('/set_language/<lang_code>')
def set_language(lang_code):
if lang_code in LANGUAGES:
session['language'] = lang_code
return redirect(request.referrer or url_for('index'))
# 获取翻译文本
def get_translation(key, lang=None):
if lang is None:
lang = get_current_language()
return TRANSLATIONS.get(lang, {}).get(key, key)
@app.route('/')
def index():
# Always serve Simplified Chinese homepage by default
lang = get_current_language()
return render_template('index.html',
company=COMPANY_INFO,
t=get_translation,
lang=lang,
languages=LANGUAGES)
@app.route('/about')
def about():
lang = get_current_language()
return render_template('about.html',
company=COMPANY_INFO,
t=get_translation,
lang=lang,
languages=LANGUAGES)
@app.route('/services')
def services():
lang = get_current_language()
return render_template('services.html',
company=COMPANY_INFO,
t=get_translation,
lang=lang,
languages=LANGUAGES)
@app.route('/download')
def download():
lang = get_current_language()
return render_template('download.html',
company=COMPANY_INFO,
t=get_translation,
lang=lang,
languages=LANGUAGES)
@app.route('/pricing')
def pricing():
lang = get_current_language()
return render_template('pricing.html',
company=COMPANY_INFO,
t=get_translation,
lang=lang,
languages=LANGUAGES)
@app.route('/help')
def help():
lang = get_current_language()
return render_template('help.html',
company=COMPANY_INFO,
t=get_translation,
lang=lang,
languages=LANGUAGES)
# 收到小程序,发送过来的数据,暂时在这里进行存储
@app.route('/contact', methods=['GET', 'POST'])
def contact():
lang = get_current_language()
if request.method == 'POST':
try:
form_data = request.get_json() # 直接解析 JSON
# 输入验证
if not form_data:
return jsonify({"status": "error", "message": "无效的JSON数据"}), 400
customerName = form_data.get('customerName', '').strip()
projectSource = form_data.get('projectSource', '').strip()
projectLeader = form_data.get('projectLeader', '').strip()
clientdemand = form_data.get('clientdemand', '').strip()
handovertasks = form_data.get('handovertasks', '').strip()
remarks = form_data.get('remarks', '').strip()
# 基本验证
if not customerName or not projectLeader:
return jsonify({"status": "error", "message": "客户名称和项目负责人不能为空"}), 400
# 生成文件名
filename = os.path.join(DATA_DIR, datetime.now().strftime("%Y%m%d_") + customerName + "_" + projectLeader + ".txt")
# 要保存的内容
content = f"文件生成时间:{datetime.now().strftime('%Y-%m-%d %H:%M:%S')}\n\n"
content += f"客户名称:{customerName}\n\n"
content += f"项目来源:{projectSource}\n\n"
content += f"项目负责人:{projectLeader}\n\n"
content += f"客户需求:{clientdemand}\n\n"
content += f"交接任务:{handovertasks}\n\n"
content += f"备注:{remarks}"
# 写入文件
with open(filename, "w", encoding="utf-8") as file:
file.write(content)
logging.info(f"成功保存数据到文件: {filename}")
return jsonify({"status": "success", "message": "提交成功"})
except Exception as e:
logging.error(f"处理数据时发生错误: {str(e)}")
return jsonify({"status": "error", "message": "服务器内部错误"}), 500
return render_template('contact.html',
company=COMPANY_INFO,
success=request.args.get('success'),
t=get_translation,
lang=lang,
languages=LANGUAGES)
# 服务日志目录中的文件
@app.route('/logs/<path:filename>')
def serve_log_file(filename):
return send_from_directory(LOG_DIR, filename)
# 服务下载目录中的文件 - 优化版本
@app.route('/downloads/<path:filename>')
def serve_download_file(filename):
import os
from flask import request, Response
from werkzeug.datastructures import Range
from werkzeug.exceptions import RequestedRangeNotSatisfiable
file_path = os.path.join('downloads', filename)
# 检查文件是否存在
if not os.path.isfile(file_path):
return jsonify({"status": "error", "message": "文件未找到"}), 404
# 获取文件大小和最后修改时间
file_size = os.path.getsize(file_path)
last_modified = os.path.getmtime(file_path)
# 处理Range请求断点续传
range_header = request.headers.get('Range')
if range_header:
try:
range_obj = Range.parse_range_header(range_header, file_size)
if range_obj.ranges:
# 支持单个范围请求
start, end = range_obj.ranges[0]
length = end - start + 1 if end is not None else file_size - start
def generate():
with open(file_path, 'rb') as f:
f.seek(start)
remaining = length
while remaining > 0:
chunk_size = min(8192, remaining)
chunk = f.read(chunk_size)
if not chunk:
break
yield chunk
remaining -= len(chunk)
response = Response(
generate(),
206, # Partial Content
mimetype='application/vnd.android.package-archive',
direct_passthrough=True
)
response.headers['Content-Range'] = f'bytes {start}-{start + length - 1}/{file_size}'
response.headers['Content-Length'] = str(length)
response.headers['Accept-Ranges'] = 'bytes'
# 设置缓存头 - 1小时缓存
response.headers['Cache-Control'] = 'public, max-age=3600'
response.headers['Last-Modified'] = last_modified
return response
except (ValueError, RequestedRangeNotSatisfiable):
# 如果Range请求无效返回完整文件
pass
# 普通文件下载无Range请求或Range请求无效
response = send_from_directory('downloads', filename)
# 设置缓存头 - 1小时缓存
response.headers['Cache-Control'] = 'public, max-age=3600'
response.headers['Last-Modified'] = last_modified
response.headers['Accept-Ranges'] = 'bytes'
# 对于APK文件设置正确的MIME类型
if filename.lower().endswith('.apk'):
response.headers['Content-Type'] = 'application/vnd.android.package-archive'
return response
# 全局错误处理
@app.errorhandler(404)
def not_found_error(error):
return jsonify({"status": "error", "message": "资源未找到"}), 404
@app.errorhandler(500)
def internal_error(error):
logging.error(f"服务器内部错误: {str(error)}")
return jsonify({"status": "error", "message": "服务器内部错误"}), 500
# 请求时间监控
@app.before_request
def before_request():
g.start_time = time.time()
@app.after_request
def after_request(response):
if hasattr(g, 'start_time'):
elapsed = time.time() - g.start_time
logging.info(f"请求处理时间: {elapsed:.3f}")
return response
# 静态文件服务带缓存
@app.route('/static/<path:filename>')
def serve_static(filename):
response = send_from_directory(app.static_folder, filename)
# 设置缓存头 - 1小时缓存
response.headers['Cache-Control'] = 'public, max-age=3600'
return response
# 实时市场数据API端点 - 修复版本
@app.route('/api/market-data')
def market_data():
try:
base_prices = {'上证指数': 3000, '深证成指': 10000, '中国平安': 50, '五粮液': 200}
market_data = []
for symbol, base_price in base_prices.items():
change_percent = random.uniform(-0.02, 0.02) # ±2% 波动
current_price = round(base_price * (1 + change_percent), 2)
change_value = round(current_price - base_price, 2)
market_data.append({
'symbol': symbol,
'price': current_price,
'change': change_value,
'change_percent': round(change_percent * 100, 2)
})
return jsonify({
'status': 'success',
'data': market_data,
'timestamp': datetime.now().isoformat()
})
except Exception as e:
logging.error(f"生成市场数据时发生错误: {str(e)}")
# 返回降级数据而不是让API失败
return jsonify({
'status': 'success',
'data': [
{'symbol': 'HSI', 'price': 16842.23, 'change': 201.45, 'change_percent': 1.21},
{'symbol': 'AAPL', 'price': 173.45, 'change': 1.38, 'change_percent': 0.80},
{'symbol': 'TSLA', 'price': 245.67, 'change': -1.23, 'change_percent': -0.50},
{'symbol': 'BTC/USD', 'price': 61234.56, 'change': 1260.89, 'change_percent': 2.10}
],
'timestamp': datetime.now().isoformat()
})
if __name__ == '__main__':
serve(app, host='0.0.0.0', port=778)