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<!DOCTYPE html>
<html lang="en">
<link href="css/markdown.css" rel="stylesheet" type="text/css"/>
<head>
<meta charset="UTF-8">
<title>战损版ChatGPT-SSE实现流式输出</title>
<link rel="icon" type="image/png" sizes="32x32" href="image/favicon-32x32.png">
<script src="https://cdn.bootcdn.net/ajax/libs/jquery/3.6.0/jquery.min.js"></script>
<script src="js/markdown.min.js"></script>
<script src="js/eventsource.min.js"></script>
<script>
function setText(text, uuid_str) {
let content = document.getElementById(uuid_str)
content.innerHTML = marked(text);
}
function uuid() {
var s = [];
var hexDigits = "0123456789abcdef";
for (var i = 0; i < 36; i++) {
s[i] = hexDigits.substr(Math.floor(Math.random() * 0x10), 1);
}
s[14] = "4"; // bits 12-15 of the time_hi_and_version field to 0010
s[19] = hexDigits.substr((s[19] & 0x3) | 0x8, 1); // bits 6-7 of the clock_seq_hi_and_reserved to 01
s[8] = s[13] = s[18] = s[23] = "-";
var uuid = s.join("");
return uuid;
}
window.onload = function () {
let disconnectBtn = document.getElementById("disconnectSSE");
let messageElement = document.getElementById("message");
let chat = document.getElementById("chat");
let sse;
let uid = window.localStorage.getItem("uid");
if (uid == null || uid == '' || uid == 'null') {
uid = uuid();
}
let text = '';
let uuid_str;
// 设置本地存储
window.localStorage.setItem("uid", uid);
// 回车事件
messageElement.onkeydown = function () {
if (window.event.keyCode === 13) {
if (!messageElement.value) {
return;
}
uuid_str = uuid();
//创建sse
const eventSource = new EventSourcePolyfill('/api/createSse', {
headers: {
'uid': uid
}
});
eventSource.onopen = (event) => {
console.log("开始输出后端返回值");
sse = event.target;
};
eventSource.onmessage = (event) => {
if (event.lastEventId == "[TOKENS]") {
text = text + event.data;
setText(text, uuid_str)
text = ''
return;
}
if (event.data == "[DONE]") {
if (sse) {
sse.close();
}
return;
}
let json_data = JSON.parse(event.data)
if (json_data.content == null || json_data.content == 'null') {
return;
}
text = text + json_data.content;
setText(text, uuid_str)
};
eventSource.onerror = (event) => {
console.log("onerror", event);
alert("服务异常请重试并联系开发者！")
if (event.readyState === EventSource.CLOSED) {
console.log('connection is closed');
} else {
console.log("Error occured", event);
}
event.target.close();
};
eventSource.addEventListener("customEventName", (event) => {
console.log("Message id is " + event.lastEventId);
});
eventSource.addEventListener("customEventName", (event) => {
console.log("Message id is " + event.lastEventId);
});
$.ajax({
type: 'post',
url: '/api/chat',
data: JSON.stringify({
'msg': messageElement.value
}),
contentType: "application/json;charset=UTF-8",
dataType: "json",
headers: {
"uid": uid,
},
beforeSend: function (request) {
},
success: function (result) {
//新增问题框
chat.innerHTML += '<tr><td style="height: 30px;">' + messageElement.value + '<br/><br/> tokens：' + result.question_tokens + '</td></tr>';
messageElement.value = null
//新增答案框
chat.innerHTML += '<tr><td><article id="' + uuid_str + '" class="markdown-body"></article></td></tr>';
},
complete: function () {
},
error: function () {
console.info("发送问题失败！");
}
})
}
};
disconnectBtn.onclick = function () {
if (sse) {
sse.close();
}
};
};
</script>
</head>
<body>
<div class="float-card">
<div class="float-card-item" id="disconnectSSE">
<a rel="noopener noreferrer">停止输出</a>
</div>
</div>
<div class="input-card">
<div class="input-card-item">
<input id="message" placeholder="输入你的问题，回车结束......" type="text">
</div>
</div>
<div class="container" >
<table border="1">
<tbody id="chat">
</tbody>
</table>
</div>
</body>
<style>
.markdown-body {
box-sizing: border-box;
min-width: 200px;
max-width: 980px;
margin: 0 auto;
padding: 45px;
}
@media (max-width: 767px) {
.markdown-body {
padding: 15px;
}
}
input {
height: 50px;
width: 500px;
font-size: 20px;
background: no-repeat;
color: #d0838e;
}
.container {
width: 980px;
border: 1px solid black;
display: flex;
flex-direction: column;
margin-left: 150px;
margin-top: 40px;
}
.input-card {
position: fixed;
display: inline-block;
right: 37%;
top: 80%;
}
.input-card-item {
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
margin-bottom: 16px;
}
.float-card {
position: fixed;
display: inline-block;
right: 120px;
top: 100px;
}
.float-card-item {
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
width: 60px;
height: 60px;
border-radius: 50%;
background-color: #ccccd6;
margin-bottom: 16px;
}
.float-card-item:last-child {
margin-bottom: 0px;
background-color: #d0838e;
}
.float-card-item a {
text-decoration: none;
color: #594649;
font-size: 13px;
}
</style>
</html>