利用就jquery修改下列代码
```html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>自动取票机取票</title>
<script src="jquery-3.7.1.min.js"></script>
</head>
<body>
<form id="form1"method="post"action="">
<table width="400"border="1px"cellspacing="0"style="border-color: blue">
<tr bgcolor="blue">
<td colspan="2"align="center">取票系统</td>
</tr>
<tr>
<td align="right">请输入兑换码:</td>
<td><input type="text"id="dhm"></td>
</tr>
<tr>
<td colspan="2"align="center">
<input type="submit"value="取票"name="submit"onclick="qp()">
<input type="button"value="重新输入"name="bottom"onclick="cxsr()">
</td>
</tr>
</table>
</form>
<script>
function qp(){
//获取id=“dhm"的输入字段的值
var x=form1.dhm.value;
if(x==""){
alert("请输入兑换码");
}else if(x=="99632570063166"){
alert("取票成功!")
}else{
alert("兑换码不正确!")
}
}
function cxsr(){
form1.dhm.value=null;
alert("请重新输入!");
}
var o=document.getElementsByTagName("input");
for(var i=0;i<o.length;i++){
o[i].onfocus=function(){
this.style.borderStyle="outset";
}
o[i].blur=function(){
input.blur();
}
}
</script>
</body>
</html>
```