| 刘洪青 | 6266f99 | 2017-05-15 21:21:03 +0800 | [diff] [blame^] | 1 | <!--
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| 2 | Licensed to the Apache Software Foundation (ASF) under one or more
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| 3 | contributor license agreements. See the NOTICE file distributed with
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| 4 | this work for additional information regarding copyright ownership.
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| 5 | The ASF licenses this file to You under the Apache License, Version 2.0
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| 6 | (the "License"); you may not use this file except in compliance with
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| 7 | the License. You may obtain a copy of the License at
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| 8 |
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| 9 | http://www.apache.org/licenses/LICENSE-2.0
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| 10 |
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| 11 | Unless required by applicable law or agreed to in writing, software
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| 12 | distributed under the License is distributed on an "AS IS" BASIS,
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| 13 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 14 | See the License for the specific language governing permissions and
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| 15 | limitations under the License.
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| 16 | -->
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| 17 | <!DOCTYPE html>
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| 18 | <html>
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| 19 | <head>
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| 20 | <title>Apache Tomcat WebSocket Examples: Chat</title>
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| 21 | <style type="text/css">
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| 22 | input#chat {
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| 23 | width: 410px
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| 24 | }
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| 25 |
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| 26 | #console-container {
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| 27 | width: 400px;
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| 28 | }
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| 29 |
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| 30 | #console {
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| 31 | border: 1px solid #CCCCCC;
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| 32 | border-right-color: #999999;
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| 33 | border-bottom-color: #999999;
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| 34 | height: 170px;
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| 35 | overflow-y: scroll;
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| 36 | padding: 5px;
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| 37 | width: 100%;
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| 38 | }
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| 39 |
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| 40 | #console p {
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| 41 | padding: 0;
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| 42 | margin: 0;
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| 43 | }
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| 44 | </style>
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| 45 | <script type="text/javascript">
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| 46 | var Chat = {};
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| 47 |
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| 48 | Chat.socket = null;
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| 49 |
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| 50 | Chat.connect = (function(host) {
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| 51 | if ('WebSocket' in window) {
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| 52 | Chat.socket = new WebSocket(host);
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| 53 | } else if ('MozWebSocket' in window) {
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| 54 | Chat.socket = new MozWebSocket(host);
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| 55 | } else {
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| 56 | Console.log('Error: WebSocket is not supported by this browser.');
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| 57 | return;
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| 58 | }
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| 59 |
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| 60 | Chat.socket.onopen = function () {
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| 61 | Console.log('Info: WebSocket connection opened.');
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| 62 | document.getElementById('chat').onkeydown = function(event) {
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| 63 | if (event.keyCode == 13) {
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| 64 | Chat.sendMessage();
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| 65 | }
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| 66 | };
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| 67 | };
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| 68 |
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| 69 | Chat.socket.onclose = function () {
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| 70 | document.getElementById('chat').onkeydown = null;
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| 71 | Console.log('Info: WebSocket closed.');
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| 72 | };
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| 73 |
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| 74 | Chat.socket.onmessage = function (message) {
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| 75 | Console.log(message.data);
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| 76 | };
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| 77 | });
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| 78 |
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| 79 | Chat.initialize = function() {
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| 80 | if (window.location.protocol == 'http:') {
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| 81 | Chat.connect('ws://' + window.location.host + '/examples/websocket/tc7/chat');
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| 82 | } else {
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| 83 | Chat.connect('wss://' + window.location.host + '/examples/websocket/tc7/chat');
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| 84 | }
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| 85 | };
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| 86 |
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| 87 | Chat.sendMessage = (function() {
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| 88 | var message = document.getElementById('chat').value;
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| 89 | if (message != '') {
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| 90 | Chat.socket.send(message);
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| 91 | document.getElementById('chat').value = '';
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| 92 | }
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| 93 | });
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| 94 |
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| 95 | var Console = {};
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| 96 |
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| 97 | Console.log = (function(message) {
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| 98 | var console = document.getElementById('console');
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| 99 | var p = document.createElement('p');
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| 100 | p.style.wordWrap = 'break-word';
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| 101 | p.innerHTML = message;
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| 102 | console.appendChild(p);
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| 103 | while (console.childNodes.length > 25) {
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| 104 | console.removeChild(console.firstChild);
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| 105 | }
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| 106 | console.scrollTop = console.scrollHeight;
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| 107 | });
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| 108 |
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| 109 | Chat.initialize();
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| 110 |
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| 111 | </script>
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| 112 | </head>
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| 113 | <body>
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| 114 | <noscript><h2 style="color: #ff0000">Seems your browser doesn't support Javascript! Websockets rely on Javascript being enabled. Please enable
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| 115 | Javascript and reload this page!</h2></noscript>
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| 116 | <div>
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| 117 | <p>
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| 118 | <input type="text" placeholder="type and press enter to chat" id="chat">
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| 119 | </p>
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| 120 | <div id="console-container">
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| 121 | <div id="console"></div>
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| 122 | </div>
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| 123 | </div>
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| 124 | </body>
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| 125 | </html> |