html+css+js實現(xiàn)簡易版ChatGPT聊天機器人

更新時間：2023年02月25日 17:12:38 投稿：yin

OpenAI的一款聊天機器人模型ChatGPT爆火，本篇文章用一百行html+css+js代碼給大家制作一款簡易的聊天機器人。

<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<title>test</title>
	<style type="text/css">
		@import url("https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500;600&family=Poppins:wght@200;300&display=swap");
		* {
		  margin: 0;
		  padding: 0;
		  box-sizing: border-box;
		  font-family: "Poppins", sans-serif;
		}
		body {
		  background: #4b5c66;
		}
		.container {
			--light-color: #fff;
			height: 580px;
			background: var(--light-color);
			bottom: 50px;
			right: 10px;
			box-shadow: 0px 0px 15px 0px black;
		}
		@media screen and (min-width:440px) {
			.container {
				position: fixed;
			}
		}
		.chat-header {
		  height: 60px;
		  display: flex;
		  align-items: center;
		  padding: 0px 30px;
		  background-color: #0652c0;
		  color: var(--light-color);
		  font-size: 1.5rem;
		}

		.chat-header .logo {
		  height: 35px;
		  width: 35px;
		  box-shadow: 0px 0px 10px 0px black;
		}
		.chat-header img {
		  height: 100%;
		  width: 100%;
		}
		.chat-header .title {
		  padding-left: 10px;
		}
		.chat-body {
		  height: 465px;
		  display: flex;
		  flex-direction: column;
		  padding: 8px 10px;
		  align-items: flex-end;
		  overflow-y: auto;
		}
		.chat-input {
		  height: 60px;
		  display: flex;
		  align-items: center;
		  border-top: 1px solid #ccc;
		}
		.input-sec {
		  flex: 9;
		}
		.send {
		  flex: 1;
		  padding-right: 4px;
		}
		#txtInput {
		  line-height: 30px;
		  padding: 8px 10px;
		  border: none;
		  outline: none;
		  caret-color: black;
		  font-size: 1rem;
		  width: 100%;
		}

		.chatbot-message,
		.user-message {
		  padding: 8px;
		  background: #ccc;
		  margin: 5px;
		  width: max-content;
		  border-radius: 10px 3px 10px 10px;
		}
		.chatbot-message {
		  background: #0652c0;
		  color: var(--light-color);
		  align-self: flex-start;
		  border-radius: 10px 10px 3px 10px;
		}

	</style>
</head>
<body>
	<div class="container">
		<div class="chat-header">
			<div class="logo"><img src="https://code.haiyong.site/wp-content/uploads/2022/10/logo.jpg" alt="cwt" /></div>
			<div class="title">簡易版Chat GPT</div>
		</div>
		<div class="chat-body"></div>
		<div class="chat-input">
			<div class="input-sec"><input type="text" id="txtInput" placeholder="在這里寫" autofocus /></div>
			<div class="send"><img src="https://haiyong.site/img/svg/send.svg" alt="send" /></div>
		</div>
	</div>
	<script>
		const responseObj = {
			你好: "你好，我是最強人工智能ChatGPT，我能回答你所有問題，快來和我聊天吧！",
			五塊錢怎么花三天: "坐公交回去找媽媽",				
			你是小黑子嗎: "不，我不是小黑子。我是OpenAI的聊天機器人模型ChatGPT",
			你為什么和我聊天: "只因你太美",
			嘿: "嘿！ 這是怎么回事",
			今天幾號: new Date().toDateString(),
			幾點了: new Date().toLocaleTimeString(),
		};
		const chatBody = document.querySelector(".chat-body");
		const txtInput = document.querySelector("#txtInput");
		const send = document.querySelector(".send");
		send.addEventListener("click", () => renderUserMessage());
		txtInput.addEventListener("keyup", (event) => {
			if (event.keyCode === 13) {
				renderUserMessage();
			}
		});
		const renderUserMessage = () => {
			const userInput = txtInput.value;
			renderMessageEle(userInput, "user");
			txtInput.value = "";
			setTimeout(() => {
				renderChatbotResponse(userInput);
				setScrollPosition();
			}, 600);
		};
		const renderChatbotResponse = (userInput) => {
			const res = getChatbotResponse(userInput);
			renderMessageEle(res);
		};
		const renderMessageEle = (txt, type) => {
			let className = "user-message";
			if (type !== "user") {
				className = "chatbot-message";
			}
			const messageEle = document.createElement("div");
			const txtNode = document.createTextNode(txt);
			messageEle.classList.add(className);
			messageEle.append(txtNode);
			chatBody.append(messageEle);
		};
		const getChatbotResponse = (userInput) => {
			return responseObj[userInput] == undefined ?
				"聽不太懂呢試試輸點別的" :
				responseObj[userInput];
		};
		const setScrollPosition = () => {
			if (chatBody.scrollHeight > 0) {
				chatBody.scrollTop = chatBody.scrollHeight;
			}
		};

	</script>	
</body>
</html>

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