请勿更改,我希望选择默认节目<option value = "content1" selected> content1 </ option>
请参阅my code
<select id="select123">
<option value="content1">content1</option>
<option value="content2">content2</option>
<option value="content3">content3</option>
<option value="content4">content4</option>
</select>
<div id="content"></div>
<img src="loading.gif" id="loadingImage" style="display: none;" />
MY-page.php文件 //my-page.php
<div id="content1" class="content123">text defult show</div>
<div id="content2" class="content123">contentttttttt</div>
<div id="content3" class="content123">content3</div>
<div id="content4" class="content123">content4</div>
我的jQuery(ajax)代码in jsfiddle
jQuery(function($) {
jQuery('#select123').change(function() {
jQuery("#loadingImage").show();
jQuery.ajax({ method: "POST",
url: "my-page.php",
data: { workselected1: jQuery(this).val() },
success: function(data){ console.log(data); }
jQuery("#loadingImage").hide();
}); }); });
答案 0 :(得分:0)
我希望其中一位教授会帮助 <?php
$array = array("A","B","C","D","E","F","G","H","I","J","K");
$items = old($field['name']) ? (old($field['name'])) : (isset($field['value']) ? ($field['value']) : (isset($field['default']) ? ($field['default']) : '' ));
?>