PHP開発用のソースコード表示
ソース コードをコピーして自分で実行できます:
login.html
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no"> <meta name="format-detection" content="telephone=no" /> <title>登录页面实例展示</title> <link rel="stylesheet" type="text/css" href="/phpMyAdmin/login.css"/> </head> <body> <div> <img src="http://keep60.com/Project/SxgAdmin/Public/images/platform_login_header_bg.png"/> </div> <div class="mt70 w432 mar_auto re min_h400"> <form name="form1" id="form1" method="post" action="login.php"> <p><input type="text" class="pf_ipt_user" placeholder="请输入登录账号" autocomplete="off" name="username" id="_username" tabindex="1"/></p> <p><input type="password" class="pf_ipt_pass pass_bg_1" placeholder="请输入密码" autocomplete="off" name="password" id="_password" tabindex="2"/></p> <p> <span> <input type="text" name="code" id="code" class="pf_ipt_verify w230" placeholder="验证码" autocomplete="off" tabindex="3"/> <img src="/phpMyAdmin/code.php" onClick="this.src='/phpMyAdmin/code.php?nocache='+Math.random()" style="cursor:hand"> </span> </p> <!--<p><a href="javascript:void(0)" class="btn_1 w430">登录</a></p> --> <p> <button class="btn_1 w430">登录</button> </p> <p><a href="regedit.html">账号注册</a></p> </form> </div> </body> </html>
login.css
.mar_auto { margin-right: auto; margin-left: auto; } .re { position: relative; } .mt70 { margin-top: 70px; } .min_h400 { min-height: 400px; } .w432 { width: 432px; } .btn_1 { display: inline-block; line-height: 16px; padding: 15px 0; margin-bottom: 30px; border-radius: 3px; font-family: Microsoft YaHei,SimHei; background: #03a9f4; border: 1px solid #0398db; color: #fff; font-size: 20px; text-align: center; cursor: pointer; } .w430 { width: 430px; } .pf_ipt_user, .pf_ipt_pass, .pf_ipt_verify{ height: 20px; line-height: 20px; padding: 13px 20px; margin-bottom: 30px; width: 390px; border: 1px solid #d9d9d9; border-radius: 3px; color: #888; font-size: 16px; font-family: Microsoft YaHei,SimHei; } .w230{ width: 230px; }
login.php
<?php session_start(); header("content-type:text/html;charset=utf-8"); //连接数据库 $link = mysqli_connect("localhost","root","root","regedit"); if (!$link) { die("连接失败: " . mysqli_connect_error()); } if(isset($_POST)){ //用户名不能为空 if(!$_POST['username']){ echo('用户名不能为空'); return; } //密码不能为空 if(!$_POST['password']){ echo('密码不能为空'); return; } //判断验证码是否填写并且是否正确 if(!$_POST['code']){ echo('验证码不能为空'); return; }else if($_POST['code']!=$_SESSION['VCODE']){ echo('验证码不正确'); return; } $sql="select username,password from form where username = '{$_POST['username']}' and password='{$_POST['password']}'"; $rs=mysqli_query($link,$sql); //执行sql查询 $row=mysqli_fetch_assoc($rs); if($row) { // 用户存在; if ($username == $row['username'] && $pwd == $row['password']) { //对密码进行判断。 echo "登陆成功,正在为你跳转至后台页面"; //header("location:index.php"); } }else{ echo "账号或密码错误" . "<br/>"; echo "<a href='login.html'>返回登陆页面</a>"; } } ?>
regedit.html
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no"> <meta name="format-detection" content="telephone=no" /> <title>注册页面</title> <link rel="stylesheet" type="text/css" href="/phpMyAdmin/login.css"/> </head> <body> <div> <img src="http://keep60.com/Project/SxgAdmin/Public/images/platform_login_header_bg.png"/> </div> <div class="mt70 w432 mar_auto re min_h400"> <form name="form1" id="form1" method="post" action="regedit.php"> <p><input type="text" class="pf_ipt_user" placeholder="请输入账号" autocomplete="off" name="username" id="_username" tabindex="1"/></p> <p><input type="password" class="pf_ipt_pass pass_bg_1" placeholder="请输入密码" autocomplete="off" name="password" id="_password" tabindex="2"/></p> <p><input type="password" class="pf_ipt_pass pass_bg_1" placeholder="请再输入一次" autocomplete="off" name="pwd_again" id="_password1" tabindex="3"/></p> <p> <button class="btn_1 w430">注册</button> </p> </form> </div> </body> </html>
regedit.php
<?php header("content-type:text/html;charset=utf-8"); //连接数据库 $link = mysqli_connect("localhost","root","root","regedit"); if (!$link) { die("连接失败: " . mysqli_connect_error()); } $username=$_POST['username']; $password=$_POST['password']; $pwd_again=$_POST['pwd_again']; if($username == "" || $password == "" || $pwd_again == "") { echo "请确认信息完整性"; }else{ if($password!=$pwd_again) { echo"两次输入的密码不一致,请重新输入!"."<br/><br/>"; echo"<a href='regedit.html'>重新输入</a>"; } else { $sql="insert into form(username,password) values('$username','$password')"; $result=mysqli_query($link,$sql); if(!$result) { echo"注册不成功!"."<br/><br/>"; echo"<a href='regedit.html'>返回</a>"; } else { echo"注册成功!"."<br/><br/>"; echo"<a href='login.html'>立刻登录</a>"; } } } ?>
code.php
<?php session_start(); Header("Content-type:image/PNG"); $im = imagecreate(150,45); $back = imagecolorallocate($im, 245, 245, 245); imagefill($im, 0,0, $back); $vcodes = ""; for($i = 0; $i < 4; $i++){ $font = imagecolorallocate($im, rand(100, 255), rand(0, 100), rand(100, 255)); $authnum = rand(0, 9); $vcodes .= $authnum; imagestring($im, 5, 50 + $i * 10, 20, $authnum, $font); } $_SESSION['VCODE'] = $vcodes; for($i=0;$i<200;$i++) { $randcolor = imagecolorallocate($im, rand(0, 255), rand(0, 255), rand(0, 255)); imagesetpixel($im, rand()%150, rand()%150, $randcolor); // } imagepng($im); imagedestroy($im); ?>