PHP 개발을 위한 소스 코드 표시

소스 코드를 복사하여 직접 실행할 수 있습니다:

<!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>

.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;
}

<?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);
?>

지속적인 학습

새로운 파일

<?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！"." "; 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！"." "; echo"<a href='regedit.html'>返回</a>"; } else { echo"注册成功!"." "; echo"<a href='login.html'>立刻登录</a>"; } } } ?>

제출하다 코드 재설정

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