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onlineOrder.html
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onlineOrder.html
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<html>
<head>
<meta charset = "utf-8">
<title>線上點餐系統</title>
<link rel = "stylesheet" type = "text/css" href = "style.css">
<script type="text/javascript" src="jquery-3.0.0.js" ></script>
<script>
menu = ["三隻小豬飯", "紐約洋基飯", "三國演義飯"];
menuExist = [ false, false, false, false, false, false, false, false ];
var selectArea;
var node = [];
var numberOfMeal = [];
var nodeIndex = 0;
function start()
{
document.getElementById("send").addEventListener("click", toSendEmail, false);
selectArea = document.getElementById("food");
newSelectArea();
}
function newSelectArea()
{
var index = nodeIndex;
node[nodeIndex] = document.createElement("select");
var option = document.createElement("option");
option.setAttribute("value", -1);
option.appendChild(document.createTextNode( "請選擇"));
node[nodeIndex].appendChild( option );
for(var i = 0; i<menu.length ; i++ )
{
var option = document.createElement("option");
option.setAttribute("value", menu[i]);
option.appendChild(document.createTextNode( menu[i]));
node[nodeIndex].appendChild( option );
}
numberOfMeal[nodeIndex] = document.createElement("input");
numberOfMeal[nodeIndex].setAttribute("type", "number");
numberOfMeal[nodeIndex].setAttribute("style", "width: 50px;");
document.createElement("p").appendChild(node[nodeIndex]);
node[nodeIndex].parentNode.appendChild( numberOfMeal[nodeIndex] );
selectArea.appendChild( node[nodeIndex].parentNode );
node[nodeIndex].addEventListener("change" ,
function(){ lastOne(index); } ,false);
nodeIndex++;
}
function toSendEmail()
{
var text = "姓名: ";
text += document.getElementById("name").value;
text += "\n電話: ";
text += document.getElementById("telephone").value;
text += "\n餐點:\n";
for(var i =0 ; i< (nodeIndex-1) ; i++)
{
text += node[i].value;
text += " ";
text += numberOfMeal[i].value;
text += "個\n"
}
text += "預計領取時間: ";
text += document.getElementById("time").value;
text += "\n";
console.log(text);
//use ajax call php
$.ajax({
url: 'sendEmail.php',
data: { content: text },
type:"POST",
dataType:'text',
success: function(sendEmail){
console.log('call php');
},
error: function(xhr) {
alert('Ajax request 發生錯誤');
$(e.target).attr('disabled', false);
},
});
}
function lastOne(index)
{
if( index == (nodeIndex-1))
{
newSelectArea();
}
}
window.addEventListener( "load", start, false);
</script>
</head>
<body>
<ul>
<li>
姓名 :
<input type = "text" id = "name" maxlength = "20">
</li>
<li>
電話 :
<input type = "text" id = "telephone" maxlength = "20">
</li>
<li>
餐點 :
<div id = "food"></div>
</li>
<li>
預計取餐時間 :
<input type = "time" id = "time" maxlength = "20">
</li>
</ul>
<button id = "send"> 訂餐</button>
</body>
</html>