此方法比其他方法麻烦了很多,不是很建议使用
<!DOCTYPE html>
<html>
<head>
<title>测试</title>
<meta charset="utf-8">
</head>
<body>
<p>请选择用户:</p>
<select id="user" name="user" onchange="getval(this);">
<option value="1">test</option>
<option value="2">test2</option>
</select>
<button id="save" name="save">保存</button>
<!--引入jquery-->
<script src="jquery.js"></script>
<script type="text/javascript">
var user = ' ';
function getval(sel){
user = sel.value;
}
$("#save").click(function(){
// console.log(user);
$.ajax({
type: "POST",
url: "save.php",
data: {
user: user
},
dataType: "json",
success: function(data){
if (data.success) {
$("#mod").html("成功");
} else {
$("#mod").html("出现错误");
}
},
error: function(jqXHR){
alert("发生错误:" + jqXHR.status);
},
});
});
</script>
</body>
</html>