flyxg 的web 学习笔记
3.1
<!DOCTYPE html> <html> <head> <title>自我介绍</title> </head> <body> <h1>标题,flyxg</h1> <p>段落，好好学习，天天向上</p> <br> </body> </html>
3.2
<!doctype html> <html> <head> <meta charset="UTF-8" /> <title>QQ空间-分享生活，留住感动</title> </head> <body> <img src="https://qzonestyle.gtimg.cn/qzone_v6/proj_qzonelogin/img/qzone-login-logo.32.png"> <p>账号密码登录</p> <form> <input type="text"> <br/> <input type="password"> <br/> <input type="submit" > </form> <a href="https://aq.qq.com/v2/uv_aq/html/reset_pwd/pc_reset_pwd_input_account.html?v=3.0&old_ver_account=" target="_blank">忘了密码？|</a> <a href="https://ssl.zc.qq.com/v3/index-chs.html" target="_blank">注册新账号|</a> <a href="https://support.qq.com/products/14800" target="_blank">意见反馈</a><br/> <ul> <li><a href="https://z.qzone.com/download.html" target="_blank">iPhone</a></li> <li><a href="https://z.qzone.com/download.html" target="_blank">iPad</a></li> <li><a href="https://z.qzone.com/download.html" target="_blank">Android</a></li> <li><a href="https://z.qzone.com/download.html" target="_blank">Windows Phone</a></li> <li><a href="https://z.qzone.com/download.html" target="_blank">其他手机</a></li> </ul> <a href="http://support.qq.com/discuss/46_1.shtml" target="_blank">反馈建议|</a> <a href="https://qzone.qzone.qq.com/" target="_blank">官方空间|</a> <a href="https://act.qzone.qq.com/" target="_blank">空间活动|</a> <a href="https://game.qzone.qq.com/?from=gameapp" target="_blank">空间应用|</a> <a href="https://user.qzone.qq.com/949589999/main" target="_blank">腾讯原创馆|</a> <a href="https://connect.qq.com/" target="_blank">QQ互联|</a> <a href="https://connect.qq.com/intro/login/" target="_blank">QQ登录|</a> <a href="https://connect.qq.com/intro/share/" target="_blank">社交组件|</a> <a href="http://wiki.open.qq.com/wiki/%E6%8A%95%E8%AF%89%E6%8C%87%E5%BC%95" target="_blank">应用侵权投诉||</a> <a href="http://wiki.open.qq.com/wiki/Tencent_Open_Platform_Complaint_Guidelines" target="_blank">Complaint Guidelines|</a><br/> <p>Copyright © 2005 - 2018 Tencent. <a href="https://www.tencent.com/en-us/statement.html" target="_blank">All Rights Reserved.</a></p> <p>腾讯公司 <a href="https://www.tencent.com/zh-cn/statement.html?/law/copyright.htm" target="_blank">版本所有</a> <a href="http://www.qq.com/culture.shtml" target="_blank">粤网文[2017]6138-1456号</a></p> </body> </html>
3.4
#使用的 if语句 和 循环语句 编写程序，求出1-10000中能被3或7整除的数字的和。
<?php
for ($i=1;$i <10000 ; $i++){
if ($i%3==0 || $i%7==0) {
echo $i+"\n";
}
}
?>3.5
<!-- 功能描述：有2个或多个字段的用户登录表单，点击按钮后提交到后端PHP，判断是否登陆成功。 Tips：尝试使用HTML编写一个Form表单，使用POST或GET方式提交。后端PHP接受提交的内容，然后去数据库查询。 Tips：尝试修复SQL注入漏洞 --> <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>用户等入></title> </head> <body> <h2>PHP 表单验证实例</h2> <form method="post" action="index.php" method="post"> username: <input type="text" name="name"> <br><br> password: <input type="password" name="password"> <br><br> <input type="submit" name="submit" value="Submit"> </form> </body>
?php
$name = $password = "";
if ($_SERVER["REQUEST_METHOD"] == "POST")
{
$name = test_input($_POST["name"]);
$password = test_input($_POST["password"]);
$con = mysqli_connect("127.0.0.1","root","123456","admin");
if(!$con) {
die("Connection failed: " . mysqli_connect_error());
}
$sql="select * from admin where user='$name' and password='$password' ";
$result =mysqli_query($con,$sql);
$row = mysqli_fetch_array($result);
if( $row >0 ){
echo "登入成功";
}else{
echo "登入失败";
}
mysqli_close($con);
}
function test_input($data)
{
$data = trim($data);
$data = stripslashes($data);
$data = htmlspecialchars($data);
return $data;
}
?>打赏我,让我更有动力~
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直到 2018-6-23 |
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