web-deployment-project 相关问题

<?php // print_r($_POST); $error = ""; $successMessage = ""; if($_POST){ if(!$_POST["email"]){ $error .= "An email address is required.<br>"; } if(!$_POST["content"]){ $error .= "An content address is required.<br>"; } if(!$_POST["sub"]){ $error .= "An subject address is required.<br>"; } if($_POST['email'] && filter_var($_POST,FILTER_VALIDATE_EMAIL) === false ){ $error .= "The email is invalid.<br>"; } if($error != ""){ $error = '<div class="alert alert-danger" role="alert"><p><strong>There were error(s) in your form</strong></p>'.$error.'</div>'; } else{ $emailto = "[email protected]"; $subject = $_POST['sub']; $content = $_POST['content']; $headers = "From: ".$_POST['email']; if(mail($emailto,$sub,$content,$headers)){ $successMessage = '<div class="alert alert-success" role="alert">Your message was sent we\'ll get back to you ASAP.</div>'; } else{ $error = '<div class="alert alert-danger" role="alert"><p><strong>Your message couldn\'t be sent please try again!</div>'; } } } ?> <!doctype html> <html lang="en"> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <title>Bootstrap demo</title> <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" integrity="sha384-GJzZqFGwb1QTTN6wy59ffF1BuGJpLSa9DkKMp0DgiMDm4iYMj70gZWKYbI706tWS" crossorigin="anonymous"> </head> <body> <div class="container"> <h1>Get in touch!</h1> <div id="error"><? echo $error.$successMessage; ?></div> <form method="post"> <div class="mb-3"> <label for="email" class="form-label">Email address</label> <input type="email" class="form-control" id="email" name="email" aria-describedby="emailHelp"> <div id="emailHelp" class="form-text">We'll never share your email with anyone else.</div> </div> <div class="mb-3"> <label for="subject" class="form-label">Subject</label> <input type="text" class="form-control" id="subject" name="sub"> </div> <div class="mb-3 form-check"> <input type="checkbox" class="form-check-input" id="exampleCheck1"> <label class="form-check-label" for="exampleCheck1">Check me out</label> </div> <div class="mb-3"> <label for="content" class="form-label">What would you like to ask us?</label> <textarea class="form-control" id="content" name="content" rows="3"></textarea> </div> <button type="submit" id="submit" class="btn btn-primary">Submit</button> </form> </div> <script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script> <script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/umd/popper.min.js" integrity="sha384-wHAiFfRlMFy6i5SRaxvfOCifBUQy1xHdJ/yoi7FRNXMRBu5WHdZYu1hA6ZOblgut" crossorigin="anonymous"></script> <script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.min.js" integrity="sha384-B0UglyR+jN6CkvvICOB2joaf5I4l3gm9GU6Hc1og6Ls7i6U/mkkaduKaBhlAXv9k" crossorigin="anonymous"></script>  </body> </html> 我创建了一个简单的表单，其中包含电子邮件、关于和主题字段以及一个提交按钮。当这些字段留空时，错误应该显示在屏幕顶部但错误没有出现。我已经注释掉了底部的 javascript 代码做同样的工作，但 PHP 代码不工作。有人可以帮我找出我的代码中的问题吗？

php jquery web-development-server web-deployment-project

回答 0 投票 0

web-deployment-project 相关问题

最新问题