sqlite+php+ajax 即時聊天系統（ajax 長串連）一

最後更新：2015-02-09 來源：互聯網

上載者：User

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標籤：sqlite php

說點廢話：今天lol的時候碰到一個坑貨，技術確實不錯，到後面，被我說了一句，那傢伙居然說讓我求他，他就玩。我罵了他一句傻逼。我就掛機，看著他們輸了。有時候，看到別人要坑，我就先下手為強!

思路：sqlite:資料庫資料，用來儲存聊天記錄；php連結資料庫，接受ajax傳送資料，返回處理結果；ajax非同步擷取聊天資料，非同步更新聊天記錄；

所用的資料庫類，請參照前面blog。

一.登入

<?php session_start(); ?><!DOCTYPE html><html lang="zh-cn"><head><meta charset='utf-8'><link href="http://cdn.bootcss.com/bootstrap/3.3.2/css/bootstrap.min.css" rel="stylesheet"><!-- HTML5 shim and Respond.js for IE8 support of HTML5 elements and media queries --><!--[if lt IE 9]>  <script src="http://cdn.bootcss.com/html5shiv/3.7.2/html5shiv.min.js"></script>  <script src="http://cdn.bootcss.com/respond.js/1.4.2/respond.min.js"></script><![endif]--></head><style>.main{width: 500px;margin: 50px auto;}.info-list{border: 1px solid #dedede; height: 200px;overflow-y: scroll;}.info-list li{border: 0px;}</style><body onload="cycle();"><script>var xmlhttp;var a;//產生xmlhttp對象function create(){if(window.XMLHttpRequest){xmlhttp=new XMLHttpRequest();}else{xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");}}//回調方法function callback(){if(xmlhttp.readyState==4&&xmlhttp.status==200){document.getElementById("info_list").innerHTML=xmlhttp.responseText;//擷取php擷取到的聊天記錄}}//啟動function run(){create();xmlhttp.open("GET","/message/first.php",true);xmlhttp.onreadystatechange=callback;xmlhttp.send();}每隔500毫秒，便更新一次表中資料。function cycle(){setInterval("run()",500);}</script><div class="main"><div class="panel panel-default">  <div class="panel-heading">登入</div>  <div class="panel-body"><form method="POST" action="">  <div class="form-group">    <label for="exampleInputEmail1">帳號</label>    <input type="text" name="username" class="form-control" id="exampleInputEmail1" placeholder="Enter email">  </div>  <div class="form-group">    <label for="exampleInputPassword1">密碼</label>    <input type="password" name="password" class="form-control" id="exampleInputPassword1" placeholder="Password">  </div>    <input type="submit" name="submit" class="btn btn-default" value="登入">  <a type="button" class="btn btn-default" href="/message/register.php">註冊</a></form>    </div></div></div><?php if($_POST['submit']){//登入，並且擷取sessioninclude '../sqlite/sqlite_db.php';$db=new SqliteDb();$res=$db->query('user',' where username="'.$_POST['username'].'" and password="'.$_POST['password'].'"');if ($res) {foreach ($res as $key => $row) {$_SESSION['user']['username']=$row['username'];$_SESSION['user']['nickname']=$row['nickname'];}echo '<script>window.location.href="/message/";</script>';}}?>

<script src="my.js"></script><script src="http://cdn.bootcss.com/jquery/1.11.2/jquery.min.js"></script><script src="http://cdn.bootcss.com/bootstrap/3.3.2/js/bootstrap.min.js"></script></body></html>

sqlite+php+ajax 即時聊天系統（ajax 長串連）一

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