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超轻量级php框架startmvc

php网页版聊天软件实现代码

更新时间:2020-03-11 11:42:39 作者:startmvc
本文实例为大家分享了php匿名聊天室的具体实现代码,供大家参考,具体内容如下1.index.html

本文实例为大家分享了php匿名聊天室的具体实现代码,供大家参考,具体内容如下

1. index.html   


<html>
 <head>
 <title>聊天室</title>
 <meta charset="utf-8"/>
 <link href="http://libs.baidu.com/bootstrap/3.0.3/css/bootstrap.min.css" rel="stylesheet">
 <script src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>
 <script src="http://libs.baidu.com/bootstrap/3.0.3/js/bootstrap.min.js"></script>
 <link href="./css/style.css" rel="stylesheet"/>
 <script>
 var maxid = 0;
 function showmessage() {
 //创建ajax对象
 var xhr = new XMLHttpRequest();
 //监听
 xhr.onreadystatechange = function () {
 if (xhr.readyState === 4) {
 eval("var info=" + xhr.responseText);
 var text = "";
 for (var i = 0; i < info.length; i++)
 {
 text += "<div class='alert alert-success'>" +
 "<span class='name'>" + info[i].send + ":</span>" +
 "<span class='message'>" + info[i].content + "</span>" +
 "<span>(" + info[i].time + ")</span>" +
 "</div>";
 maxid = info[i].id;
 }
 
 var old = document.getElementById("msg").innerHTML;
 document.getElementById("msg").innerHTML = old + text;
 document.getElementById("msg").scrollTop = document.getElementById("msg").scrollHeight;
 }
 };
 //初始化
 xhr.open("get", "./action.php?maxid=" + maxid);
 //发送
 xhr.send();
 }
 
 $(document).ready(
 function ()
 {
 showmessage()
 self.setInterval("showmessage()", 2000);
 }
 );
 function send() {
 var postData ="content="+document.getElementById('content').value;
 var xhr = new XMLHttpRequest();
 xhr.open("POST", "./add.php", true);
 //一定要写头信息不然服务器接收不到
 xhr.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
 xhr.onreadystatechange = function () {
 var XMLHttpReq = xhr;
 if (XMLHttpReq.readyState == 4) {
 if (XMLHttpReq.status == 200) {
 document.getElementById('content').value="";
 }
 }
 };
 xhr.send(postData);
 }
 </script>
 </head>
 <body>
 
 <div class="panel panel-default" id="main">
 <!--聊天室名字--> 
 <div class="panel-heading">
 <h3 class="panel-title">
 匿名者聊天室
 </h3>
 </div>
 <!--聊天室名字-->
 <!--聊天室消息框-->
 <div class="panel-body ">
 <div class="well no-bottom ">
 <!-- 消息框样式-->
 <!--
 <div class="alert alert-success">成功!很好地完成了提交。</div>
 <div class="alert alert-info">信息!请注意这个信息。</div>
 <div class="alert alert-warning">警告!请不要提交。</div>
 <div class="alert alert-danger">错误!请进行一些更改。</div>
 -->
 <div id="msg" class="showmessage">
 </div>
 <!--聊天室消息框-->
 <div class="well" >
 <form role="form">
 <div class="form-group">
 <label for="name">发送消息</label>
 <textarea class="form-control" id="content" name="content"
 style="resize: none;font-family: Microsoft YaHei;" rows="3" >
 </textarea>
 </div>
 <div style="text-align: right">
 <button type="button" class="btn btn-primary" onclick="send()">
 <span class="glyphicon glyphicon-envelope"></span>
 发送
 </button>
 </div>
 </form>
 </div>
 <!--聊天室发送框-->
 </div>
 </div>
 </div>
 </body>
</html>

2. action.php


<?php
 
$link = mysqli_connect('localhost', 'root', '123', 'test');
mysqli_query($link, 'set names utf8');
$info= array();
header("Content-type: text/html; charset=utf-8");
$id=$_GET['maxid'];
$data = mysqli_query($link, "select * from talk where id>$id");
while ($array = mysqli_fetch_assoc($data)) {
 $info[] = $array;
};
 
 echo json_encode($info);

3. chat.sql


DROP TABLE IF EXISTS `talk`;
CREATE TABLE `talk` (
 `id` int(10) unsigned NOT NULL AUTO_INCREMENT COMMENT 'id',
 `send` varchar(10) CHARACTER SET utf8 DEFAULT NULL COMMENT '发送者昵称',
 `ip` varchar(12) CHARACTER SET utf8 DEFAULT NULL,
 `content` varchar(500) CHARACTER SET utf8 DEFAULT NULL,
 `time` varchar(50) DEFAULT NULL,
 PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=52 DEFAULT CHARSET=utf8;

4. add.php


<?php
 
/**
 * @功能 将表单插入数据库
 */
$content=$_POST['content'];
print_r($_POST);
$time= date("Y-m-d H:i:s", time(0));
$link = mysqli_connect('localhost', 'root', '123', 'test');
mysqli_query($link, 'set names utf8');
$ip = $_SERVER["REMOTE_ADDR"];
$sql="INSERT INTO talk VALUES(NULL,'匿名者','$ip','$content','$time')";
$data = mysqli_query($link,$sql);
echo "$content";
if($data)
 echo "1";
 else
 echo "0";

以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持脚本之家。

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