代码如下:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<title>HTML5 Local Storage Example</title>
<!-- include Bootstrap CSS for layout -->
<link href="./bootstrap/css/bootstrap.css" rel="stylesheet" />
</head>
<body>
<div class="container">
<h1>HTML5 Local Storage Example</h1>
<form method="post" class="form-horizontal">
<fieldset>
<legend>Enquiry Form</legend>
<div class="control-group">
<label class="control-label" for="type">Type of enquiry</label>
<div class="controls">
<select name="type" id="type">
<option value="">Please select</option>
<option value="general">General</option>
<option value="sales">Sales</option>
<option value="support">Support</option>
</select>
</div>
</div>
<div class="control-group">
<label class="control-label" for="name">Name</label>
<div class="controls">
<input
class="input-xlarge"
type="text"
name="name"
id="name"
value=""
maxlength="50"
/>
</div>
</div>
<div class="control-group">
<label class="control-label" for="email">Email Address</label>
<div class="controls">
<input
class="input-xlarge"
type="text"
name="email"
id="email"
value=""
maxlength="150"
/>
</div>
</div>
<div class="control-group">
<label class="control-label" for="message">Message</label>
<div class="controls">
<textarea
class="input-xlarge"
name="message"
id="message"
></textarea>
</div>
</div>
<div class="control-group">
<div class="controls">
<label class="checkbox">
<input name="subscribe" id="subscribe" type="checkbox" />
Subscribe to our newsletter
</label>
</div>
</div>
</fieldset>
<div class="form-actions">
<input
type="submit"
name="submit"
id="submit"
value="Send"
class="btn btn-primary"
/>
</div>
</form>
</div>
<script src="./jquery/jquery-3.6.0.js"></script>
<script>
$(function () {
/*
* 判断是否支持localstorage
*/
if (localStorage) {
/*
* 读出localstorage中的值
*/
if (localStorage.type) {
$("#type")
.find("option[value=" + localStorage.type + "]")
.attr("selected", true);
}
if (localStorage.name) {
$("#name").val(localStorage.name);
}
if (localStorage.email) {
$("#email").val(localStorage.email);
}
if (localStorage.message) {
$("#message").val(localStorage.message);
}
if (localStorage.subscribe === "true") {
$("#subscribe").prop("checked", true);
} else {
$("#subscribe").prop("checked", false);
}
/*
* 当表单中的值改变时,localstorage的值也改变
*/
$("input[type=text],select,textarea").change(function () {
$this = $(this);
localStorage[$this.attr("name")] = $this.val();
});
$("input[type=checkbox]").change(function () {
$this = $(this);
localStorage[$this.attr("name")] = $this.prop("checked");
});
$("form")
/*
* 如果表单提交，则调用clear方法
*/
.submit(function () {
localStorage.clear();
})
.change(function () {
console.log("===========");
console.log(localStorage);
});
}
});
</script>
</body>
</html>