一站式网上办事大厅

// 请假请求处理模块（Python）

import json

from flask import Flask, request

app = Flask(__name__)

# 模拟数据库

requests_db = []

@app.route('/apply_leave', methods=['POST'])

def apply_leave():

data = request.get_json()

if not data:

return json.dumps({'status': 'error', 'message': 'Invalid input'}), 400

# 简单的校验

if 'student_id' not in data or 'reason' not in data or 'duration' not in data:

return json.dumps({'status': 'error', 'message': 'Missing required fields'}), 400

# 添加到数据库

requests_db.append(data)

return json.dumps({'status': 'success', 'message': 'Leave request submitted successfully'})

if __name__ == '__main__':

app.run(debug=True)

// 区块链记录模块（Node.js）

const { Blockchain } = require('blockchain');

const blockchain = new Blockchain();

function recordLeaveRequest(studentId, reason, duration) {

const block = blockchain.createBlock({

timestamp: Date.now(),

data: {

studentId,

reason,

duration

}

});

blockchain.addBlock(block);

}

// 示例调用

recordLeaveRequest('123456', '生病', '3天');

// 审批接口（Python）

@app.route('/approve_leave/', methods=['POST'])

def approve_leave(request_id):

for req in requests_db:

if req['id'] == request_id:

req['status'] = 'approved'

return json.dumps({'status': 'success', 'message': 'Approved'})

return json.dumps({'status': 'error', 'message': 'Request not found'})