PHP   发布时间:2022-04-04  发布网站:大佬教程  code.js-code.com
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我有一个联系表单,该表单使用JavaScript验证字段,但是当我将表单链接PHP时,它不会发送电子邮件.如果有人可以帮助我,将不胜感激.我不太了解PHP及其与其他语言的交互方式.

这是live demo.

这是代码

*编辑*

当前的Java脚本:

<script type="text/javascript">
reEmail = /^[\w-|+|'|]+(\.[\w-|+|'|]+)*@([a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)*?\.[a-zA-Z]{2,6}|(\d{1,3}\.){3}\d{1,3})(:\d{4})?$/

function MyFunction()
{
var y;
y = document.getElementById('name');
var x;
x = document.getElementById('email');
var z;
z = document.getElementById('message');
var e;
e = 0;


if(y.value == "Full Name*"){
     alert("Full Name required");
     e = e + 1
     return false;
} 

if(!(reEmail.test(x.value))){
     alert("E-Mail Invalid");
     e = e + 1
     return false;
} 

if(z.value == "Your message*"){
    alert("Please write a message.");
    e = e + 1;
    return false;
}

if(e < 0){
    return false;   
} else {
    alert("Thank you. Your message has been sent!");
    return true;
}

}

</script>

*编辑*

当前HTML:

<body>
<div class="form" align="center">
<form onSubmit="MyFunction();" name="contact" action="sendform.PHP" method="post" >
    <span style="display:block;">
        <input name="name" type="text" id="name" class="txt" maxlength="50" value="Full Name*" onfocus="if(this.value==this.DefaultValuE)this.value='';" onblur="if(this.value=='')this.value=this.DefaultValue;">
    </span>
        <br />
    <span style="display:block">
        <input name="email" type="text" id="email" class="txt" maxlength="20" value="Your E-Mail*" onfocus="if(this.value==this.DefaultValuE)this.value='';" onblur="if(this.value=='')this.value=this.DefaultValue;" >
    </span>
        <br />
    <span style="display:block">
        <textarea name="message" type="text" id="message" class="txt" maxlength="500" value="Your message*" onfocus="if(this.value==this.DefaultValuE)this.value='';" onblur="if(this.value=='')this.value=this.DefaultValue;">Your message*</textarea>
    </span>
        </form>
        <br />
    <span id="required">* InDicates required Fields</span>
            <br />
    <input type="submit" onclick="MyFunction()" class="submit" value="Submit" >

</div>
</body>

PHP(sendform.PHP):

<?PHP
if(isset($_POST['email'])) {

// EDIT THE 2 LInes BELOW AS required
$email_to = "email@domain.com";
$email_subject = "Your email subject line";


function died($error) {
    // your error code can go here
    echo "We are very sorry, but there were error(s) found with the form you submitted. ";
    echo "these errors appear below.<br /><br />";
    echo $error."<br /><br />";
    echo "Please go BACk and fix these errors.<br /><br />";
    die();
}

// validation expected data exists
if(!isset($_POST['name']) ||
    !isset($_POST['email']) ||
    !isset($_POST['message'])) {
        died('We are sorry, but there appears to be a problem with the form you submitted.');       
}

$first_name = $_POST['name']; // required
$email_from = $_POST['email']; // required
$comments = $_POST['message']; // required

$error_message = "";
$email_exp = '/^[A-Za-z0-9._%-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,4}$/';
if(!preg_match($email_exp,$email_from)) {
    $error_message .= 'The Email Address you entered does not appear to be valid.<br />';
}
$String_exp = "/^[A-Za-z .'-]+$/";
if(!preg_match($String_exp,$first_name)) {
    $error_message .= 'The First Name you entered does not appear to be valid.<br />';
}
if(!preg_match($String_exp,$last_name)) {
    $error_message .= 'The last name you entered does not appear to be valid.<br />';
}
if(strlen($comments) < 2) {
    $error_message .= 'The Comments you entered do not appear to be valid.<br />';
}
if(strlen($error_messagE) > 0) {
    died($error_messagE);
}
$email_message = "Form details below.\n\n";

function clean_String($String) {
    $bad = array("content-type","bcc:","to:","cc:","href");
    return str_replace($bad,"",$String);
}

$email_message .= "Name: ".clean_String($first_name)."\n";
$email_message .= "Email: ".clean_String($email_from)."\n";
$email_message .= "message: ".clean_String($comments)."\n";


// create email headers
$headers = 'From: '.$email_from."\r\n".
'Reply-To: '.$email_from."\r\n" .
'X-Mailer: PHP/' . PHPversion();
mail($email_to, $email_subject, $email_message, $headers);  
?>

<!-- include your own success html here -->

Thank you for contacTing us. We will be in touch with you very soon.

<?PHP
}
?>

解决方法:

问题不在您的PHP中,而在您的HTML和Javascript中,因为页面没有重新加载:

HTML:

我认为最好写:

<form onSubmit="MyFunction();" name="contact" action="sendform.PHP" method="post" >

因为当您像这样使用它时,它减少了在提交按钮的onClick侦听器中编写MyFunction()而不是返回MyFunction()的错误.

JavaScript:

您编写了不带;的var e,var y,var z,var x.

当您检查z.value ==’requiredfield’是否在}之前写了return false.

e永远不会增加,因为您返回了false;在增加之前阻止它增加的原因.

如果您修复了这些错误并尝试了代码,则页面刷新并且电子邮件没有发送,然后回复评论,我们将很乐意为您提供帮助.

编辑:

现在我知道了那些问题之后的问题,因为您关闭表单然后添加提交,提交按钮不再是表单的一部分,因此只需将提交按钮移到< / form>之前.

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