批改状态:合格
老师批语:这个很棒

<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8" /><meta http-equiv="X-UA-Compatible" content="IE=edge" /><meta name="viewport" content="width=device-width, initial-scale=1.0" /><title>留言板</title><link rel="stylesheet" href="hw.css" /><link rel="stylesheet" href="static/css/iconfont.css" /></head><body><!-- 演示区域 --><div class="showArea"><!-- 在线客服头部 --><div class="title"><button onclick="back()" title="返回"><</button><span>在线客服</span></div><div class="displayArea"><!-- 1.留言板图标 --><!-- 2.图标选中颜色变化 --><div class="msgIcon iconfont icon-kefu" onclick="showMsg()"></div><!-- 3.设置留言板样式 --><div class="msgDisplay"><!-- 展示客户问题 --><div class="msgShow"><ul class="msgShowList"></ul></div><!-- 客户输入文本框 --><div class="msgInput"><textareaname="inputData"id="inputData"onkeydown="submitMsg(this)"placeholder="请输入,按Enter直接发送消息"autofocus></textarea></div></div></div></div><script>function showMsg() {const msgIcon = document.querySelector(".msgIcon");const title = document.querySelector(".title");const msgDisplay = document.querySelector(".msgDisplay");msgIcon.style.display = "none";title.style.display = "block";msgDisplay.style.display = "grid";}function back() {const msgIcon = document.querySelector(".msgIcon");const title = document.querySelector(".title");const msgDisplay = document.querySelector(".msgDisplay");title.style.display = "none";msgDisplay.style.display = "none";msgIcon.style.display = "block";}// 1. 独立完成留言板功能,要求使用CSS进行页面美化// 2. (选做)将留言板功能升级为自动客服回复(定时器实现)function submitMsg(ele) {if (event.key === "Enter") {// 判断是否输入为空if (ele.value.trim() !== "") {const ul = document.querySelector(".msgShowList");const li = document.createElement("li");li.innerHTML =`<p><img src="static/img/userProfilePicture.jpeg">` +`<span>${ele.value.trim()}</span></p>`;ul.insertAdjacentElement("beforeEnd", li);webpageMsg(ele.value.trim());} else {alert("输入有误,请重新输入!");}event.preventDefault();ele.value = "";ele.focus();}}function webpageMsg(lo) {const ul = document.querySelector(".msgShowList");const li = document.createElement("li");li.innerHTML = `<span>对方正在输入</span>`;ul.insertAdjacentElement("beforeEnd", li);setTimeout(function () {if(lo==="天王盖地虎"){li.innerHTML = `<p><img src="static/img/webProfilePicture.jpg">` +`<span>小鸡炖蘑菇</span></p>`;li.className="userRight";ul.replaceChild(li,ul.lastChild);}else if(lo==="12345"){li.innerHTML = `<p><img src="static/img/webProfilePicture.jpg">` +`<span>上山打老虎</span></p>`;li.className="userRight";ul.replaceChild(li,ul.lastChild);}else{li.innerHTML = `<p><img src="static/img/webProfilePicture.jpg">` +`<span>口令不对再想想</span></p>`;li.className="userRight";ul.replaceChild(li,ul.lastChild);}}, 1000);}</script></body></html>
*{margin: 0;padding: 0;box-sizing: border-box;}a{text-align: none;color:black;}ul{list-style-type: none;}body{background-color: azure;}.showArea{width: 601px;height: 600px;margin: auto;display: grid;grid-template-rows: 40px 1fr;border-radius: 10px;background-color: rgb(15, 127, 219);}.showArea .title{width: 601px;text-align: center;background-color: rgba(175, 33, 226, 0.661);padding: 3px;border-radius: 10px 10px 0 0;display: none;}.showArea .title button{border-radius: 5px;outline: none;border: none;background-color: white;color: #BBB;margin-right: 10px;padding: 5px;}.showArea .title button:hover{cursor: pointer;background-color: coral;color: white;}.showArea .title>span{letter-spacing: 5px;font-size: 25px;color:white;}.displayArea{position: relative;}.displayArea .msgIcon{width: 70px;height: 70px;background-color: white;border-radius: 50%;font-size: 65px;text-align: center;color: #e1e1e1;position: absolute;margin-top: 300px;right: 0;margin-right: 10px;/* 测试先关闭 *//* display: none; */}.displayArea .msgIcon:hover{cursor: pointer;color:coral;}.msgDisplay{border: 0.5px solid black;border-radius: 0 0 10px 10px;display: grid;grid-template-rows: 400px 1fr;display: none;}.msgDisplay .msgShow{background-color: #fefefe;}.msgDisplay .msgInput textarea{padding: 10px;outline: none;border: none;border-top: 1px solid #eee;border-radius: 0 0 10px 10px;resize: none;width: 600px;height: 160px;}.msgDisplay .msgShow{padding: 10px;overflow: auto;}.msgDisplay .msgShow img{width: 50px;height: 50px;vertical-align:middle;border-radius: 10px;}.msgDisplay .msgShow ul li{margin-top: 5px;}.msgDisplay .msgShow ul p{width: 300px;background-color: #eee;border-radius: 10px;}.msgDisplay .msgShow ul li>span{display: flex;place-content: center;}.msgDisplay .msgShow .userRight{display: flex;place-content: flex-end;}
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