php网页版聊天软件实现代码
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>
<metacharset="utf-8"/>
<linkhref="http://libs.baidu.com/bootstrap/3.0.3/css/bootstrap.min.css"rel="stylesheet">
<scriptsrc="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>
<scriptsrc="http://libs.baidu.com/bootstrap/3.0.3/js/bootstrap.min.js"></script>
<linkhref="./css/style.css"rel="stylesheet"/>
<script>
varmaxid=0;
functionshowmessage(){
//创建ajax对象
varxhr=newXMLHttpRequest();
//监听
xhr.onreadystatechange=function(){
if(xhr.readyState===4){
eval("varinfo="+xhr.responseText);
vartext="";
for(vari=0;i<info.length;i++)
{
text+="<divclass='alertalert-success'>"+
"<spanclass='name'>"+info[i].send+":</span>"+
"<spanclass='message'>"+info[i].content+"</span>"+
"<span>("+info[i].time+")</span>"+
"</div>";
maxid=info[i].id;
}
varold=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);
}
);
functionsend(){
varpostData="content="+document.getElementById('content').value;
varxhr=newXMLHttpRequest();
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(){
varXMLHttpReq=xhr;
if(XMLHttpReq.readyState==4){
if(XMLHttpReq.status==200){
document.getElementById('content').value="";
}
}
};
xhr.send(postData);
}
</script>
</head>
<body>
<divclass="panelpanel-default"id="main">
<!--聊天室名字-->
<divclass="panel-heading">
<h3class="panel-title">
匿名者聊天室
</h3>
</div>
<!--聊天室名字-->
<!--聊天室消息框-->
<divclass="panel-body">
<divclass="wellno-bottom">
<!--消息框样式-->
<!--
<divclass="alertalert-success">成功！很好地完成了提交。</div>
<divclass="alertalert-info">信息！请注意这个信息。</div>
<divclass="alertalert-warning">警告！请不要提交。</div>
<divclass="alertalert-danger">错误！请进行一些更改。</div>
-->
<divid="msg"class="showmessage">
</div>
<!--聊天室消息框-->
<divclass="well">
<formrole="form">
<divclass="form-group">
<labelfor="name">发送消息</label>
<textareaclass="form-control"id="content"name="content"
style="resize:none;font-family:MicrosoftYaHei;"rows="3">
</textarea>
</div>
<divstyle="text-align:right">
<buttontype="button"class="btnbtn-primary"onclick="send()">
<spanclass="glyphiconglyphicon-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,'setnamesutf8');
$info=array();
header("Content-type:text/html;charset=utf-8");
$id=$_GET['maxid'];
$data=mysqli_query($link,"select*fromtalkwhereid>$id");
while($array=mysqli_fetch_assoc($data)){
$info[]=$array;
};
echojson_encode($info);
3.chat.sql
DROPTABLEIFEXISTS`talk`; CREATETABLE`talk`( `id`int(10)unsignedNOTNULLAUTO_INCREMENTCOMMENT'id', `send`varchar(10)CHARACTERSETutf8DEFAULTNULLCOMMENT'发送者昵称', `ip`varchar(12)CHARACTERSETutf8DEFAULTNULL, `content`varchar(500)CHARACTERSETutf8DEFAULTNULL, `time`varchar(50)DEFAULTNULL, PRIMARYKEY(`id`) )ENGINE=InnoDBAUTO_INCREMENT=52DEFAULTCHARSET=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-dH:i:s",time(0));
$link=mysqli_connect('localhost','root','123','test');
mysqli_query($link,'setnamesutf8');
$ip=$_SERVER["REMOTE_ADDR"];
$sql="INSERTINTOtalkVALUES(NULL,'匿名者','$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毛票票。