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diff --git a/all_server_open（云）.py b/all_server_open（云）.py
new file mode 100755
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+++ b/all_server_open（云）.py
@@ -0,0 +1,39 @@
+from flask import Flask, jsonify
+from flask_cors import CORS
+import json
+from decimal import Decimal
+from datetime import datetime, date
+
+# 导入蓝图
+from example_info_add import example_info_add_bp
+from user_add import user_add_bp
+
+
+# 极简JSON编码器（处理特殊数据类型）
+class CustomJSONEncoder(json.JSONEncoder):
+    def default(self, obj):
+        if isinstance(obj, Decimal):
+            return float(obj)
+        elif isinstance(obj, (datetime, date)):
+            return obj.strftime('%Y-%m-%d %H:%M:%S')
+        return super().default(obj)
+
+# 创建单个Flask应用
+app = Flask(__name__)
+CORS(app)  # 允许跨域
+app.json_encoder = CustomJSONEncoder
+app.config['JSON_SORT_KEYS'] = False
+
+
+# 注册所有蓝图
+app.register_blueprint(example_info_add_bp)
+app.register_blueprint(user_add_bp)
+
+if __name__ == '__main__':
+    # 配置服务（直接修改端口）
+    host = '0.0.0.0'
+    port = 5000
+    print(f"服务启动：http://{host}:{port}")
+    print("按 Ctrl+C 停止服务...")
+    app.run(host=host, port=port, debug=False)  # debug=False 生产环境推荐
+
diff --git a/db_con.py b/db_con.py
new file mode 100755
index 0000000..9f08564
--- /dev/null
+++ b/db_con.py
@@ -0,0 +1,56 @@
+import pymysql
+
+# 数据库配置
+db_config = {
+    'host': "47.106.222.181",
+    'user': "group3",
+    'password': 'group3',
+    'database': 'ClassDB',
+    'port':25083
+}
+
+def con_mysql(sql_code, params=None):
+    conn = None
+    try:
+        conn = pymysql.connect(** db_config)
+        conn.ping(reconnect=True)
+        cursor = conn.cursor()
+        print(f"执行SQL: {sql_code}")
+        print(f"参数: {params}")
+
+        # 执行SQL
+        if params:
+            cursor.execute(sql_code, params)
+        else:
+            cursor.execute(sql_code)
+
+        # 增/删/改操作
+        if sql_code.strip().upper().startswith(('INSERT', 'UPDATE', 'DELETE')):
+            conn.commit()
+            result = {
+                'success': True,
+                'affected_rows': cursor.rowcount
+            }
+            # 对INSERT操作额外返回自增ID
+            if sql_code.strip().upper().startswith('INSERT'):
+                result['lastrowid'] = cursor.lastrowid
+            return result
+
+        # 查询操作
+        elif sql_code.strip().upper().startswith('SELECT'):
+            data = cursor.fetchall()
+            columns = [col[0] for col in cursor.description]
+            return {
+                'success': True,
+                'data': [dict(zip(columns, row)) for row in data]
+            }
+
+        return {'success': True}
+
+    except pymysql.MySQLError as err:
+        if conn:
+            conn.rollback()
+        return {'success': False, 'error': f"{type(err).__name__}: {err}"}
+    finally:
+        if conn:
+            conn.close()
diff --git a/example_info_add.py b/example_info_add.py
new file mode 100755
index 0000000..81c6181
--- /dev/null
+++ b/example_info_add.py
@@ -0,0 +1,73 @@
+from flask import Blueprint, request, jsonify
+from db_con import con_mysql
+
+example_info_add_bp = Blueprint('example_info_add', __name__)
+
+"""
+API接口：添加example_info数据
+接口路径：POST /api/example_info/add
+
+请求体示例：
+{
+  "emotion_state": "开心",
+  "video_path": "/videos/test1.mp4",
+  "confidence": 0.95
+}
+
+字段说明：
+- emotion_state (可选)：字符串，描述emotion_state
+- video_path (可选)：字符串，视频文件路径
+- confidence (可选)：浮点数，confidence值(0-1)
+"""
+
+@example_info_add_bp.route('/api/example_info/add', methods=['POST'])
+def add_example_info():
+    try:
+        data = request.get_json()
+
+        # 验证必需字段
+        if not data:
+            return jsonify({
+                "success": False,
+                "message": "请求数据不能为空"
+            }), 400
+
+        # 获取请求数据
+        emotion_state = data.get('emotion_state')
+        video_path = data.get('video_path')
+        confidence = data.get('confidence')
+
+        # 构建SQL语句
+        sql = """
+        INSERT INTO group3_emo_info (emotion_state, video_path, confidence)
+        VALUES (%s, %s, %s)
+        """
+        params = (emotion_state, video_path, confidence)
+
+        # 执行SQL
+        result = con_mysql(sql, params)
+
+        if result['success']:
+            return jsonify({
+                "success": True,
+                "message": "example_info数据添加成功",
+                "data": {
+                    "id": result.get('lastrowid'),
+                    "emotion_state": emotion_state,
+                    "video_path": video_path,
+                    "confidence": confidence
+                }
+            }), 201
+        else:
+            return jsonify({
+                "success": False,
+                "message": "添加失败",
+                "error": result.get('error', '未知错误')
+            }), 500
+            
+    except Exception as e:
+        return jsonify({
+            "success": False,
+            "message": "服务器内部错误",
+            "error": str(e)
+        }), 500
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diff --git a/user_add.py b/user_add.py
new file mode 100755
index 0000000..590b4d1
--- /dev/null
+++ b/user_add.py
@@ -0,0 +1,82 @@
+from flask import Blueprint, request, jsonify
+from db_con import con_mysql
+
+user_add_bp = Blueprint('user_add', __name__)
+
+"""
+API接口：添加用户
+接口路径：POST /api/user/add
+
+请求体示例：
+{
+  "username": "testuser",
+  "password": "12345678"
+}
+
+字段说明：
+- username (必需)：字符串，用户名(最长8个字符)
+- password (可选)：字符串，密码(最长8个字符)
+"""
+
+@user_add_bp.route('/api/user/add', methods=['POST'])
+def add_user():
+    try:
+        data = request.get_json()
+        
+        # 验证必需字段
+        if not data:
+            return jsonify({
+                "success": False,
+                "message": "请求数据不能为空"
+            }), 400
+        
+        username = data.get('username')
+        password = data.get('password')
+        
+        # 验证用户名是否为空
+        if not username:
+            return jsonify({
+                "success": False,
+                "message": "用户名不能为空"
+            }), 400
+        
+        # 验证用户名长度
+        if len(username) > 8:
+            return jsonify({
+                "success": False,
+                "message": "用户名长度不能超过8个字符"
+            }), 400
+        
+        # 构建SQL语句
+        sql = """
+        INSERT INTO group3_user (username, password)
+        VALUES (%s, %s)
+        """
+        params = (username, password)
+        
+        # 执行SQL
+        result = con_mysql(sql, params)
+        
+        if result['success']:
+            return jsonify({
+                "success": True,
+                "message": "用户添加成功",
+                "data": {
+                    "username": username,
+                    "password": password,
+                    "affected_rows": result.get('affected_rows')
+                }
+            }), 201
+        else:
+            return jsonify({
+                "success": False,
+                "message": "添加用户失败",
+                "error": result.get('error', '未知错误')
+            }), 500
+            
+    except Exception as e:
+        return jsonify({
+            "success": False,
+            "message": "服务器内部错误",
+            "error": str(e)
+        }), 500
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