from flask import Flask, request, jsonify
app = Flask(__name__)
# 假设这是我们的用户数据库
users_db = {
"alice": "password123",
"bob": "securepass"
}
@app.route('/login', methods=['POST'])
def login():
data = request.get_json()
username = data['username']
password = data['password']
if username in users_db and users_db[username] == password:
return jsonify({"status": "success", "message": "Login successful!"}), 200
else:
return jsonify({"status": "failure", "message": "Invalid credentials."}), 401
if __name__ == '__main__':
app.run(debug=True)
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import pandas as pd
def preprocess_data(file_path):
df = pd.read_csv(file_path)
# 示例：标准化某些字段
df['age'] = (df['age'] - df['age'].mean()) / df['age'].std()
return df.to_dict(orient='records')
# 调用示例
data = preprocess_data('alumni.csv')
print(data[:5])
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