Javascript AJAX没有';在正常表单提交时不提交
我正在尝试使用AJAX提交表单。如果我使用提交按钮,它会保存它,但是如果我使用AJAX,表单不会保存 此操作有效(表单保存到数据库中)Javascript AJAX没有';在正常表单提交时不提交,javascript,php,html,ajax,Javascript,Php,Html,Ajax,我正在尝试使用AJAX提交表单。如果我使用提交按钮,它会保存它,但是如果我使用AJAX,表单不会保存 此操作有效(表单保存到数据库中) 热点 热点 要访问internet,请输入您的电子邮件。 这不起作用(数据不会保存到数据库中),但console.log会写入: 启动AJAX 成功 你的电子邮件是something@some.one. xHR24 XHR2200 阿贾克斯发送 <!DOCTYPE html> <html> <head> <me
热点
热点
要访问internet,请输入您的电子邮件。
这不起作用(数据不会保存到数据库中),但console.log会写入:
启动AJAX
成功
你的电子邮件是something@some.one.
xHR24
XHR2200
阿贾克斯发送
<!DOCTYPE html>
<html>
<head>
<meta content="text/html" />
<meta charset="utf-8" />
<title>HotSpot</title>
</head>
<body>
<form accept-charset="utf-8" name="mail" onsubmit="return false;" method="post" id="mail">
<h1>Hotspot</h1>
<h2>To gain internet access, enter your email.</h2>
<br />
<input type="text" id="email" name="email" autofocus="autofocus" />
<br />
<input type="button" value="Submit" id="submit_ok" name="submit_ok" /> <br />
</form>
<script>
document.getElementById("submit_ok").addEventListener("click", sendAjax);
async function sendAjax() {
console.log("Start AJAX!");
let ax2 = await Ajax2 ("POST", "http://10.30.20.30:8080/Site/anti-xss.php")
console.log("AJAX sent!");
}
function Ajax2 (method, url){
return new Promise (function (resolve, reject){
let xhr2 = new XMLHttpRequest();
xhr2.open('POST', 'http://10.30.20.30:8080/Site/anti-xss.php', true);
xhr2.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
xhr2.onload = function(){
if(this.status >= 200 && this.status < 300){
resolve(xhr2.response);
console.log("Success!");
console.log("You'r email is " + useremail + ".");
console.log("XHR2 " + xhr2.readyState);
console.log("XHR2 " + xhr2.status);
}else{
reject({
status: this.status,
statusText: xhr2.statusText
});
}
};
xhr2.onerror = function (){
reject({
status: this.status,
statusText: this.statusText
});
};
let useremail = document.getElementById("email").value;
xhr2.send("Email="+encodeURIComponent(useremail));
});
}
</script>
</body>
</html>
热点
热点
要访问internet,请输入您的电子邮件。
document.getElementById(“提交”\u确定”).addEventListener(“单击”,sendAjax);
异步函数sendAjax(){
log(“启动AJAX!”);
让ax2=等待Ajax2(“POST”http://10.30.20.30:8080/Site/anti-php)
log(“AJAX已发送!”);
}
函数Ajax2(方法、url){
返回新承诺(功能(解决、拒绝){
设xhr2=newXMLHttpRequest();
xhr2.open('POST','http://10.30.20.30:8080/Site/anti-php',true);
setRequestHeader(“内容类型”,“应用程序/x-www-form-urlencoded”);
xhr2.onload=函数(){
如果(this.status>=200&&this.status<300){
解析(xhr2.response);
console.log(“成功!”);
log(“你的电子邮件是”+useremail+”);
log(“XHR2”+XHR2.readyState);
console.log(“XHR2”+XHR2.status);
}否则{
拒绝({
状态:这个状态,
statusText:xhr2.statusText
});
}
};
xhr2.onerror=函数(){
拒绝({
状态:这个状态,
statusText:this.statusText
});
};
让useremail=document.getElementById(“email”).value;
xhr2.send(“Email=“+encodeURIComponent(useremail));
});
}
PHP-connect.PHP
<?php
header('Access-Control-Allow-Origin: *');
$host = "localhost";
$userName = "root";
$password = "";
$dbName = "baza";
// Create database connection
$DB = new mysqli ($host, $userName, $password, $dbName);
//$conn = new mysqli($host, $userName, $password, $dbName);
// Check connection
if ($DB->connect_error) {
die("Connection failed: " . $DB->connect_error);
}
?>
PHP-anti-xss.PHP
<?php
require ('connect.php');
$clean_email = "";
$cleaner_email = "";
if(isset($_POST['email']) && !empty($_POST['email'])){
//sanitize with filter
$clean_email = filter_var($_POST['email'], FILTER_SANITIZE_EMAIL);
//sanitize with test_input
$cleaner_email = test_input($clean_email);
//validate with filter
if (filter_var($cleaner_email,FILTER_VALIDATE_EMAIL)){
// email is valid and ready for use
echo "Email is valid";
//Email is a column in the DB
$stmt = $DB->prepare("INSERT INTO naslovi (Email) VALUES (?)");
$stmt->bind_param("s", $cleaner_email);
$stmt->execute();
$stmt->close();
} else {
// email is invalid and should be rejected
echo "Invalid email, try again";
}
} else {
echo "Please enter an email";
}
function test_input($data) {
$data = trim($data);
$data = stripslashes($data);
$data = htmlspecialchars($data);
return $data;
}
$DB->close();
?>
谢谢你的帮助。我认为这似乎是一个可变的问题。你拼错了
$clean_email = filter_var($_POST['email'], FILTER_SANITIZE_EMAIL);
到
你所说的“这不起作用”是什么意思?表单数据没有放在数据库中吗?是的,这就是我的意思。如果您看第一个示例,数据将保存到数据库中。在2cnd示例中,它没有保存到DB中。代码看起来正常。检查您的anti-xss.php最有可能的问题是在那里的某个地方,但是php可以正常提交(它正在保存到数据库中)。我还将上传php…@DrDoom thx。不需要:)最好的
$clean_email = filter_var($_POST['email'], FILTER_SANITIZE_EMAIL);
$clean_email = filter_var($_POST['Email'], FILTER_SANITIZE_EMAIL);