初始化提交

mengyaprofile-backend/app.py

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+from flask import Flask, jsonify, send_from_directory, request
+from flask_cors import CORS
+import json
+import os
+import random
+
+# 检测运行模式:通过环境变量控制
+RUN_MODE = os.environ.get('RUN_MODE', 'development')  # development 或 production
+
+# 根据运行模式配置
+if RUN_MODE == 'production':
+    # 生产环境:使用构建后的前端
+    FRONTEND_BUILD_PATH = os.path.join(os.path.dirname(__file__), '..', 'frontend', 'build')
+    app = Flask(__name__, static_folder=FRONTEND_BUILD_PATH, static_url_path='')
+    BACKGROUND_DIR = os.path.join(FRONTEND_BUILD_PATH, 'background')
+else:
+    # 开发环境:不服务前端,只提供 API
+    app = Flask(__name__)
+    BACKGROUND_DIR = os.path.join(os.path.dirname(__file__), '..', 'mengyaprofile-frontend', 'public', 'background')
+
+CORS(app)  # 允许跨域请求
+
+# 数据文件路径 - 支持环境变量配置
+DATA_DIR = os.environ.get('DATA_DIR', os.path.join(os.path.dirname(__file__), 'data'))
+
+def load_json_file(filename):
+    """加载JSON文件"""
+    try:
+        with open(os.path.join(DATA_DIR, filename), 'r', encoding='utf-8') as f:
+            return json.load(f)
+    except FileNotFoundError:
+        return None
+    except Exception as e:
+        print(f"Error loading {filename}: {e}")
+        return None
+
+@app.route('/api/profile', methods=['GET'])
+def get_profile():
+    """获取个人基本信息"""
+    data = load_json_file('profile.json')
+    if data:
+        return jsonify(data)
+    return jsonify({"error": "Profile没有找到"}), 404
+
+@app.route('/api/projects', methods=['GET'])
+def get_projects():
+    """获取精选项目列表"""
+    data = load_json_file('projects.json')
+    if data:
+        return jsonify(data)
+    return jsonify({"error": "Projects没有找到"}), 404
+
+@app.route('/api/contacts', methods=['GET'])
+def get_contacts():
+    """获取联系方式"""
+    data = load_json_file('contacts.json')
+    if data:
+        return jsonify(data)
+    return jsonify({"error": "Contacts没有找到"}), 404
+
+@app.route('/api/techstack', methods=['GET'])
+def get_techstack():
+    """获取技术栈"""
+    data = load_json_file('techstack.json')
+    if data:
+        return jsonify(data)
+    return jsonify({"error": "Tech stack没有找到"}), 404
+
+@app.route('/api/random-background', methods=['GET'])
+def get_random_background():
+    """获取随机背景图片"""
+    try:
+        # 获取背景图片目录中的所有图片
+        if os.path.exists(BACKGROUND_DIR):
+            images = [f for f in os.listdir(BACKGROUND_DIR) 
+                     if f.lower().endswith(('.png', '.jpg', '.jpeg', '.webp', '.gif'))]
+            if images:
+                random_image = random.choice(images)
+                return jsonify({"image": f"/background/{random_image}"})
+        return jsonify({"image": None})
+    except Exception as e:
+        print(f"获取随机背景出错: {e}")
+        return jsonify({"image": None})
+
+@app.route('/api/all', methods=['GET'])
+def get_all():
+    """获取所有数据"""
+    profile = load_json_file('profile.json')
+    projects = load_json_file('projects.json')
+    contacts = load_json_file('contacts.json')
+    techstack = load_json_file('techstack.json')
+    
+    return jsonify({
+        "profile": profile,
+        "techstack": techstack,
+        "projects": projects,
+        "contacts": contacts
+    })
+
+@app.route('/', methods=['GET'])
+def index():
+    """服务前端页面或API信息"""
+    if RUN_MODE == 'production' and app.static_folder:
+        # 生产环境,返回前端页面
+        return send_from_directory(app.static_folder, 'index.html')
+    else:
+        # 开发环境,返回API信息
+        return jsonify({
+            "message": "萌芽主页 后端API - 开发模式",
+            "author": "树萌芽",
+            "version": "1.0.0",
+            "mode": "development",
+            "note": "前端开发服务器运行在 http://localhost:3000",
+            "endpoints": {
+                "/api/profile": "获取个人信息",
+                "/api/techstack": "获取技术栈",
+                "/api/projects": "获取项目列表",
+                "/api/contacts": "获取联系方式",
+                "/api/random-background": "获取随机背景图片",
+                "/api/all": "获取所有数据"
+            }
+        })
+
+@app.route('/admin')
+def admin():
+    """服务管理员页面(也是前端)"""
+    if RUN_MODE == 'production' and app.static_folder:
+        return send_from_directory(app.static_folder, 'index.html')
+    else:
+        return jsonify({
+            "error": "开发模式",
+            "note": "请访问 http://localhost:3000/admin?token=shumengya520"
+        }), 404
+
+@app.route('/api')
+def api_info():
+    """API信息"""
+    return jsonify({
+        "message": "萌芽主页 后端API",
+        "author":"树萌芽",
+        "version": "1.0.0",
+        "endpoints": {
+            "/api/profile": "获取个人信息",
+            "/api/techstack": "获取技术栈",
+            "/api/projects": "获取项目列表",
+            "/api/contacts": "获取联系方式",
+            "/api/random-background": "获取随机背景图片",
+            "/api/all": "获取所有数据"
+        }
+    })
+
+# 处理前端路由 - 所有非API请求都返回 index.html
+@app.errorhandler(404)
+def not_found(e):
+    """处理404错误"""
+    # 检查是否为API请求
+    if request.path.startswith('/api'):
+        return jsonify({"error": "API endpoint not found"}), 404
+    
+    # 非API请求
+    if RUN_MODE == 'production' and app.static_folder:
+        # 生产环境返回前端页面(支持前端路由)
+        return send_from_directory(app.static_folder, 'index.html')
+    
+    # 开发环境
+    return jsonify({
+        "error": "页面未找到",
+        "mode": "development",
+        "note": "开发环境请访问 http://localhost:3000"
+    }), 404
+
+if __name__ == '__main__':
+    app.run(debug=True, host='0.0.0.0', port=5000)