我正在为我的项目构建一个ajax/php联系人表单,其中包含以下字段:
姓名(必填)、电子邮件(必填),主题(不必填)和网站(不必填
一切都很好,现在唯一的问题是,如果用户没有在主题和/或网站字段中键入任何内容,我收到的电子邮件会显示这两个字段,如下所示:
主题:(显示空白)
网站:(显示空白)
如果用户没有键入任何内容,那么是否可以完全不显示这两个字段?因此,在我收到的电子邮件中,我只收到:
名称:[用户名]
电子邮件:[用户电子邮件地址]
我只是发布PHP代码,因为我相信这只与PHP有关,而与Ajax脚本无关:
<?php
$errorMSG = "";
// NAME
if (empty($_POST["name"])) {
$errorMSG = "Name is required ";
} else {
$name = $_POST["name"];
}
// EMAIL
if (empty($_POST["email"])) {
$errorMSG .= "Email is required ";
} else {
$email = $_POST["email"];
}
// SUBJECT
$subject = $_POST["subject"];
// WEBSITE
$website = $_POST["website"];
// MESSAGE
if (empty($_POST["message"])) {
$errorMSG .= "Message is required ";
} else {
$message = $_POST["message"];
}
$EmailTo = "email@myemail.com";
$Subject = "New Message Received";
// prepare email body text
$Body = "";
$Body .= "Name: ";
$Body .= $name;
$Body .= "'n";
$Body .= "Email: ";
$Body .= $email;
$Body .= "'n";
$Body .= "Website: ";
$Body .= $website;
$Body .= "'n";
$Body .= "Subject: ";
$Body .= $subject;
$Body .= "'n";
$Body .= "Message: ";
$Body .= $message;
$Body .= "'n";
// send email
$success = mail($EmailTo, $Subject, $Body, "From:".$email);
// redirect to success page
if ($success && $errorMSG == ""){
echo "success";
}else{
if($errorMSG == ""){
echo "Something went wrong :(";
} else {
echo $errorMSG;
}
}
?>
谢谢大家!
您可以使用if
语句检查条件。类似这样的东西:
if (!empty($subject)) {
$Body .= "Subject: ";
$Body .= $subject;
$Body .= "'n";
}
您不使用formData
,因此disabling
字段不起作用。
如果你想去掉空变量,可以根据这样的条件构建数据
function submitForm() {
var data = {
name: $("#name").val(),
email: $("#email").val()
}
if($("#subject").val() !== "") {
data.subject = $("#subject").val()
}
if($("#website").val() !== "") {
data.website = $("#website").val()
}
$.ajax({
type: "POST",
url: "php/form-process.php",
data: data,
success: function(text) {
if (text == "success") {
formSuccess();
} else {
formError();
submitMSG(false, text);
}
}
});
}