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MySQL之高级特性(三)

小铺有酒一两不够 2024-06-13 阅读 12

后端代码E:\LearningProject\lottery\app.py

from flask import Flask, render_template
import random

app = Flask(__name__)

employees = ['赵一', '钱二', '孙三', '李四', '周五', '吴六', '郑七', '王八']


@app.route('/')
def hello_world():
    return render_template('index.html', employees=employees)


@app.route('/lottery')
def lottery():
    winners = random.sample(employees, 3)
    return render_template('index.html', employees=employees, winners=winners)


if __name__ == '__main__':
    app.run(debug=True)

前端代码E:\LearningProject\lottery\templates\index.html

<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport"
          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Lottery</title>
</head>
<body>
    <!--员工列表-->
    {{ employees }}
    <br>
    <a href="/lottery">随机抽取3位</a> <br>
    恭喜 <strong>{{winners}}</strong> 中奖了!!!
</body>
</html>

效果

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