user_data_form_use_ajax.html

	<script type="text/javascript">
		$(function () {
			$("#user_success").on('submit', function(){
				var message		= "";
				var emptyValue	= false;
				var name		= $('[name="name"]', $(this)).val();
				var area		= $('select[name="area"] option:selected', $(this)).val();
				var time 		= $('select[name="time"] option:selected', $(this)).val();
				var email 		= $('[name="email"]', $(this)).val();
				var phone 		= $('[name="phone"]', $(this)).val();

				if (area=='blank') {
					alert('請選擇區域');
					return false;
				};
				if (time=='blank') {
					alert('請選擇時段');
					return false;
				};
				if(name == "")
				{
					message = "請輸入姓名\n";
					emptyValue = true;
				}

				if(email == "")
				{
					message = message + "請輸入email\n";
					emptyValue = true;
				}
				else if (!/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(email))
				{
					message = message + "email輸入格式錯誤\n";
					emptyValue = true;			
				}		

				if(phone == "")
				{
					message = message + "請輸入電話\n";
					emptyValue = true;
				}
				else if(!/^[09]{2}[0-9]{8}$/.test(phone))
				{
					message = message + "手機號碼格式錯誤\n";
					emptyValue = true;
				}		
				
				if(emptyValue)
				{
					alert(message);
					return false;
				}
				else
				{
					var post_url = $(this).attr('action');
					$.ajax({
						type: "POST",
						cache: false,
						url: post_url, // preview.php
						data: $("#user_success").serializeArray(), // all form fields
						success: function (data) {
							alert(data);
						}
					});
					document.getElementById("user_success").reset();
				}
				return false;

			});
		});
	</script>

line: 55 ~ 65
就是為何送出表單不換頁的原因