编辑时的 <select> 标签内容回显，$("#idName").val(value).trigger('change')
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>选择框值更新</title>
<script src="https://code.jquery.com/jquery-3.6.4.min.js"></script>
</head>
<body>
<div class="demo">
<select id="idName">
<option value="option1" selected> Option 1 </option>
<option value="option2"> Option 2 </option>
<option value="option3"> Option 3 </option>
</select>
</div>
<script>
$(document).ready(function() {
// 设置选择框的值
$("#idName").val(value).trigger('change')
});
</script>
</body>
</html>
