python实战项目点赞系统源码_点赞代码-优快云博客

本文链接：https://blog.youkuaiyun.com/zcj18537150970/article/details/143428041

dianzan.py

# 引入框架
from flask import Flask, render_template, request

app = Flask(__name__)

data = [
    {"id": 0, "name": "中秋节：", "num": 0},
    {"id": 1, "name": "国庆节", "num": 0},
    {"id": 2, "name": "元旦节", "num": 0},
]


@app.route("/index")
def index():
    return render_template("index.html", data=data)


@app.route("/dianzan")
def dianzan():
    id = request.args.get("id")
    # 字符串转换为整数 使用整数索引从data字典中获取键为2的值
    data[int(id)]["num"] += 1
    # print(f"想给{id}点赞")
    return render_template("index.html", data=data)


app.run(debug=True)

index.html

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>点赞系统</title>
</head>

<body>
    <h1>点赞系统</h1>
    <!-- {{data}} -->
    <table border="1">
        <tr>
            <td>id</td>
            <td>名字</td>
            <td>点赞数</td>
            <td>操作</td>
        </tr>
        {%for i in data%}
        <tr>
            <td>{{i.id}}</td>
            <td>{{i.name}}</td>
            <td>{{i.num}}</td>
            <td><a href="/dianzan?id={{i.id}}">点赞</td>
            {%endfor%}
        </tr>
    </table>
</body>

</html>