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php传值，界面跳转，数据库连接，查询，读出，写入

2012-12-01 16:34 483 查看 
这里运用到了HTML5，所以如果浏览器不支持HTML5的话，视频无法播放
//登录界面<?phpheader("Content-type:text/html;charset=gb2312");   //处理乱码问题?><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312" /><title>Login Page</title><link rel="shortcut icon" href="/favicon.ico"><link rel="stylesheet" type="text/css" href="js/style.css" /></head><body><form id="login-form" action="b.php" method="post"><fieldset><legend>Log in</legend><label for="login">用户名</label><input type="text" id="login" name="username"/><div class="clear"></div><label for="password">密码</label><input type="password" id="password" name="password"/><div class="clear"></div><br /><br><br><input type="submit" style="margin: -20px 0 0 287px;" class="button" name="commit" value="登录"/></fieldset></form><br /><br /><br /><br /><br /><br /></body></html>
//登陆后跳转到此php界面判断是否登陆成功<?phpob_start();$username = $_POST['username'];$passwords = $_POST['password'];if($username==null||$passwords==null){//此处判断用户名和密码是否为空header("location:a.php");//进行跳转echo "请确定用户名和密码都已填写";}else {$sql="select * from userlist where username = '".$username."' and passwords = '".$passwords."'";//sql语句}class DataBase{public $dbhost = "localhost";//以下四行代码为与数据库取得链接public $dbuser = "zhanqingchun";public $dbpass = "12345679";public $dbname = "zhanqingchun";function conn(){//判断是否成功连接数据库$dbconn = mysql_connect($this->dbhost,$this->dbuser,$this->dbpass) or die("database error!".mysql_error());mysql_select_db($this->dbname) or die("can not connect database：".mysql_error());return $dbconn;}function indb($in_sql){//执行sql语句$result_indb = mysql_query($in_sql) or die("can not run the sql language:".mysql_error());return $result_indb;}}$db = new DataBase();$db->conn();$k= $db->indb($sql);if(mysql_fetch_row($k)){//判断用户是否登陆成功$kiss=mysql_fetch_array(mysql_query($sql));$sss=$kiss["username"];$ss="location:frontvideo.php?kk=".$sss;//设置连接header($ss);}else{header("location:music/musicbox.php");//进行跳转}?>
//循环打印出信息<?phpheader("Content-type:text/html;charset=gb2312");?><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><title>Insert title here</title></head><body><?phpfor($num=1;$num<=5;$num++){//使用for循环打印出5个视频$video = "<a href=\"video.php?id=".$num."\">视频".$num."</a></br>";echo $video;$k=$_GET["kk"];//得到用户名echo $k;//输出用户名}?><a href="racegame-master/racegame-master/car.php">赛车游戏</a><?php echo $showtime=date("Y-m-d H:i:s");//输出系统当前时间?></body></html>
//播放视频的界面<?php$video=$_GET['id'];$href = "<video src=\"video/mySQL/".$video.".mp4\" width=\"480\" height=\"480\" controls=\"loop\">video</video>";echo $href;?>

                                            

                                        

                        
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