<script> // 模拟实时足球比分更新const scores = [{ team: "曼城", score: 2 },{ team: "利物浦", score: 1 },{ team: "切尔西", score: 3 },{ team: "曼联", score: 0 },{ team: "热刺", score: 2 },];// 创建一个 WebSocket 对象const ws = new WebSocket("ws://localhost:8080");// 当 WebSocket 连接打开时ws.onopen = function() {// 发送一个消息，让服务器知道我们感兴趣的比分数据ws.send("scores");};// 当 WebSocket 收到消息时ws.onmessage = function(event) {// 解析服务器发送的 JSON 数据const data = JSON.parse(event.data);// 更新比分数据const tbody = document.querySelector("tbody");tbody.innerHTML = "";for (const score of data) {const row = document.createElement("tr");const teamCell = document.createElement("td");const scoreCell = document.createElement("td");teamCell.textContent = score.team;scoreCell.textContent = score.score;row.appendChild(teamCell);row.appendChild(scoreCell);tbody.appendChild(row);}};// 当 WebSocket 连接关闭时ws.onclose = function() {// 重新连接 WebSocketsetTimeout(function() {ws.open();}, 1000);}; </script>