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Python service Flask generate list data and display in web view via html and javscript

news 2026/3/31 0:47:40

python -m pip install flask
python -m pip install flask-cors

//Flaskfrom flask import Flask,jsonify,send_from_directory
from flask_cors import CORS
import uuid
import time
import os
from datetime import datetime
import json
import uuidapp=Flask(__name__)#启用CORS支持
CORS(app)idx=0@app.route('/')
def index():"""返回HTML页面"""return send_from_directory('.','Index3.html')@app.route('/get_books_list')
def get_books_list():"""返回"""global idxarr=range(1,21)book_list=[]for a in arr:idx+=1book_list.append({"Id":idx,"Name":f'Name_{idx}',"Content":f'Content_{idx}',"ISBN":f'ISBN_{idx}_{uuid.uuid4().hex}',"Title":f'Title_{idx}',"Topic":f'Topic_{idx}'})print(book_list)json_str=json.dumps(book_list,indent=4,ensure_ascii=False)print(f'Json_str:{json_str}')return jsonify({'data':json_str,'timestamp':datetime.now().strftime('%Y%m%d%H%M%S%f')})if __name__=='__main__':app.run(debug=True,port=5000,host='0.0.0.0')

<html lang="zh-CN"><head><meta charset="UTF-8"><meta name="viewport" content="width=device-width,initial-scale=1.0"><title>获取数据</title><style>body{align-items: center;min-width: 1500px;}.container {text-align: center;font-size: 20px;}table {width:100%;margin:20px auto;border-collapse:collapse;}th,td{border:1px solid #ddd;padding:8px;text-align:left;}th {background-color:#f2f2f2;}#fetchBtn {font-size: 20px;min-width: 1200px;}</style>        </head><body align-items="center"><div class="container"><h1>数据获取服务</h1><table id='testTable'><tr><th>Id</th><th>Name</th><th>Content</th><th>ISBN</th><th>Title</th><th>Topic</th></tr></table><div><button id="fetchBtn">获取数据</button></div>       </div>        <script>document.getElementById('fetchBtn').addEventListener('click',function(){//显示加载状态
                const testTable=document.getElementById('testTable');                //禁用按钮防止重复点击
                const btn=document.getElementById('fetchBtn');//清空表格数据（保留表头）while(testTable.rows.length>1){testTable.deleteRow(1);}btn.disabled=true;btn.textContent='获取中...';//发送请求
                fetch('http://localhost:5000//get_books_list').then(response=>response.json()).then(data=>{<!-- alert(data.data); -->try{//解析返回的JSON数据
                        const books=JSON.parse(data.data);//遍历数据并添加到表格
                        books.forEach(book=>{const row=testTable.insertRow();row.innerHTML=`<td>${book.Id}</td><td>${book.Name}</td><td>${book.Content}</td><td>${book.ISBN}</td><td>${book.Title}</td><td>${book.Topic}</td>
                            `;});console.log('loaded data successfully:',books.length);}catch(error){console.error('Parse data failed:',error);alert('data format error');                        }//恢复按钮
                        btn.disabled=false;btn.textContent='获取数据';}).catch(error=>{//错误处理
                    console.error('Request failed:',error);alert('fetch data failed '+error.message);//恢复按钮
                    btn.disabled=false;btn.textContent='Fetch Data';});});</script></body>
</html>