1.本文属于改进版本哈
自己也是真的菜，一个websocket简单聊天系统硬被我搞了那么些天。
看来以后还是得写更多的代码。
client.html:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<style>
.kuang {
width: 600px;
min-height: 50px;
max-height: 296px;
border: 1px solid;
float: left;
display: block;
position: relative;
overflow-y: scroll;
}
.value {
width: 200px;
}
.input {
display: block;
position: absolute;
left: 0;
margin-top: 300px;
}
</style>
</head>
<body>
<label>连接用户:</label>
<input type="text" id="name" />
<button id="conn">连接</button>
<button id="close">断开</button><br/><br/>
<div class="kuang" id="mess"></div>
<div class="input">
<input type="text" class="value" id="value1" />
<button id="send">发送</button>
</div>
<script>
var input = document.getElementById("name");
var conn = document.getElementById("conn");
var close = document.getElementById("close");
var mess = document.getElementById("mess");
var value1 = document.getElementById("value1");
var pattern = /^[\u4e00-\u9fa5]{2,10}$/;
close.disabled = true;
if (window.WebSocket) {
conn.onclick = function () {
if (!pattern.test(input.value)) {
alert("名称不能为空且必须为中文");
return;
}
var ws = new WebSocket('ws://127.0.0.1:8082');
conn.disabled = true;
close.disabled = false;
ws.onopen = function (e) {
console.log("连接服务器成功");
ws.send(input.value);
input.setAttribute("readOnly", 'true');
value1.setAttribute("readOnly", 'true');
}
ws.onmessage = function (e) {
value1.removeAttribute("readOnly");
var time = new Date();
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