无法使用JQuery在数据库中插入数据

Question

我使用fieldset创建了一个多页表单。例如，三个表单包含具有三个字段集的下一个和上一个按钮。对于事件处理（对于下一个和上一个按钮），我使用了JQuery。最后一个表单有提交按钮。我想将这三个表单中的所有记录插入到数据库中。能否帮助我，提交按钮事件处理程序中包含的内容，以便我可以在数据库中查看数据。我还制作了一个连接文件。这是jquery和连接文件的代码：

<script type="text/javascript">
		$(document).ready(function(e) {
		var current_fs, next_fs, previous_fs; //fieldsets
var left, opacity, scale; //fieldset properties which we will animate
var animating; //flag to prevent quick multi-click glitches

$(".next").click(function(){
	if(animating) return false;
	animating = true;
	
	current_fs = $(this).parent();
	next_fs = $(this).parent().next();
	
	//activate next step on progressbar using the index of next_fs
	$("#progressbar li").eq($("fieldset").index(next_fs)).addClass("active");
	
	//show the next fieldset
	next_fs.show(); 
	//hide the current fieldset with style
	current_fs.animate({opacity: 0}, {
		step: function(now, mx) {
			//as the opacity of current_fs reduces to 0 - stored in "now"
			//1. scale current_fs down to 80%
			scale = 1 - (1 - now) * 0.2;
			//2. bring next_fs from the right(50%)
			left = (now * 50)+"%";
			//3. increase opacity of next_fs to 1 as it moves in
			opacity = 1 - now;
			current_fs.css({
				'transform': 'scale('+scale+')',
				'position': 'absolute'
			});
			next_fs.css({'left': left, 'opacity': opacity});
		}, 
		duration: 800, 
		complete: function(){
			current_fs.hide();
			animating = false;
		}, 
		//this comes from the custom easing plugin
		easing: 'easeInOutBack'
	});
});

$(".previous").click(function(){
	if(animating) return false;
	animating = true;
	
	current_fs = $(this).parent();
	previous_fs = $(this).parent().prev();
	
	//de-activate current step on progressbar
	//$("#progressbar li").eq($("fieldset").index(current_fs)).removeClass("active");
	
	//show the previous fieldset
	previous_fs.show(); 
	//hide the current fieldset with style
	current_fs.animate({opacity: 0}, {
		step: function(now, mx) {
			//as the opacity of current_fs reduces to 0 - stored in "now"
			//1. scale previous_fs from 80% to 100%
			scale = 0.8 + (1 - now) * 0.2;
			//2. take current_fs to the right(50%) - from 0%
			left = ((1-now) * 50)+"%";
			//3. increase opacity of previous_fs to 1 as it moves in
			opacity = 1 - now;
			current_fs.css({'left': left});
			previous_fs.css({'transform': 'scale('+scale+')', 'opacity': opacity});
		}, 
		duration: 800, 
		complete: function(){
			current_fs.hide();
			animating = false;
		}, 
		//this comes from the custom easing plugin
		easing: 'easeInOutBack'
	});
});
$(".submit").click(function(){
return false;
})


		});
	</script>

<?php
$servername="localhost"; // Host name
$username="root"; // Mysql username
$password=""; // Mysql password
$db_name="abc"; // Database name
$tbl_name="table"; // Table name

// Connect to server and select database.
@mysql_connect("$servername", "$username", "$password")or die("cannot connect");
@mysql_select_db("$db_name")or die("cannot select DB");
if(isset($_POST['submit'])){
$fname = $_POST['fname'];
$lname = $_POST['lname'];
$pwd = $_POST['pwd'];
$eml= $_POST['eml'];
$num = $_POST['num'];


$sql = "INSERT INTO form (fname, lname, pwd, eml, num) VALUES ('$fname', '$lname', '$pwd', '$eml', '$num')";

if (!mysql_query($sql)) {
    die('Error: ' . @mysql_error()); 
}
}
?>