HTML
首先我们在页面上放置“顶”和“踩”的按钮,即#dig_up和#dig_down,按钮上分别记录了投票的票数以及所占的百分比。
<div class="digg"> <div id="dig_up" class="digup"> <span id="num_up"></span> <p>很好,很强大!</p> <div id="bar_up" class="bar"><span></span><i></i></div> </div> <div id="dig_down" class="digdown"> <span id="num_down"></span> <p>太差劲了!</p> <div id="bar_down" class="bar"><span></span><i></i></div> </div> <div id="msg"></div> </div>
jQuery
$(function(){ //当鼠标悬浮和离开两个按钮时,切换按钮背景样式 $("#dig_up").hover(function(){ $(this).addClass("digup_on"); },function(){ $(this).removeClass("digup_on"); }); $("#dig_down").hover(function(){ $(this).addClass("digdown_on"); },function(){ $(this).removeClass("digdown_on"); }); //初始化数据 getdata("ajax.php",1); //单击“顶”时 $("#dig_up").click(function(){ getdata("ajax.php?action=like",1); }); //单击“踩”时 $("#dig_down").click(function(){ getdata("ajax.php?action=unlike",1); }); });
ajax.php
$action = $_GET['action']; $id = 1; $ip = get_client_ip();//获取当前ip if ($action == 'like') { likes(1, $id, $ip); } elseif ($action == 'unlike') { likes(0, $id, $ip); } else { echo jsons($id); }
最后附上投票的表结构,压缩包里也有哦!
CREATE TABLE IF NOT EXISTS `votes` ( `id` int(10) NOT NULL AUTO_INCREMENT, `likes` int(10) NOT NULL DEFAULT '0', `unlikes` int(10) NOT NULL DEFAULT '0', PRIMARY KEY (`id`) ) ENGINE=MyISAM DEFAULT CHARSET=utf8; INSERT INTO `votes` (`id`, `likes`, `unlikes`) VALUES (1, 5, 5);
CREATE TABLE IF NOT EXISTS `votes_ip` ( `id` int(11) NOT NULL AUTO_INCREMENT, `vid` int(11) NOT NULL, `ip` varchar(20) NOT NULL, PRIMARY KEY (`id`) ) ENGINE=MyISAM DEFAULT CHARSET=utf8 AUTO_INCREMENT=0 ;