匿名者聊天室
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
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 += "
"" + info[i].send + ":" +
"
" +"(" + info[i].time + ")" +
"
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);
}
匿名者聊天室
2. action.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
/**
* @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