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下拉選單多選

技術標籤:jquery

下拉選單多選

<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style type="text/css">
			.box{width: 500px;height: 500px;margin: 0 auto;font-size: 12px;}
			.select_more{width: 100px;height: 20px;position: relative;
border-color: #a2bac0 #b8d0d6 #b8d0d6 #a2bac0;border-style: solid;border-width: 1px;cursor: default;} .select_option_box{position: absolute;left: -1px;top: 19px;width: 100%;z-index: 1;background-color: #FFFFFF;border-color: #a2bac0 #b8d0d6 #b8d0d6 #a2bac0;border-style: solid;border-width: 1px;border-top: none;
display: none;cursor: default;} .select_item{width: 100%;line-height: 20px;padding: 1px 5px;box-sizing: border-box;} .select_item input,.select_item span{display: inline-block;vertical-align: top;} .select_item input{margin: 0;margin-right: 3px;margin-top: 3.5px;} .select_item span{line-height
: 23px;} .select_checked{height: 20px;white-space: nowrap;text-overflow: ellipsis;overflow: hidden;}
</style> <script src="js/jquery-3.3.1.min.js" type="text/javascript" charset="utf-8"></script> <script type="text/javascript"> $(function(){ var checkedIds = [], checkedArr = []; // 監測崗位名稱選擇 $(".select_item").each(function(e) { $(this).click(function(e) { e.stopPropagation(); // 神龍點睛之筆!!!!! if($(this).find('input').attr('checked')) { $(this).find('input').removeAttr('checked'); // 刪除 checkedArr.splice(checkedArr.indexOf($(this).find('span').text()), 1); checkedIds.splice(checkedIds.indexOf($(this).find('input').val()), 1); $('#selectChecked').text(checkedArr) $('#checkedStr').val(checkedIds); if(checkedArr.length == 0) { $('#selectChecked').text('請選擇') } }else { if($(this).find('span').text() != '請選擇' && $(this).find('span').text()) { $(this).find('input').attr('checked', 'checked') //新增 checkedArr.push($(this).find('span').text()); checkedIds.push($(this).find('input').val()); $('#selectChecked').text(checkedArr) $('#checkedStr').val(checkedIds); } } }) }) //崗位名稱請選擇點選事件 $('#selectChecked').click(function(){ if($('#selectBox').css('display') == 'block') { $('#selectBox').css('display', 'none'); }else { $('#selectBox').css('display', 'block'); } }) // 點選其他地方select消失 $('#body').click(function() { $('#selectBox').css('display', 'none'); }) }) </script> </head> <body id="body"> <div class="box"> <input type="text" name="" id="checkedStr" value="" /> <div class="select_more"> <div class="select_item select_checked" id="selectChecked">請選擇</div> <div class="select_option_box" id="selectBox"> <div class="select_item"> <input type="checkbox" value="1" /><span>團隊經理</span> </div> <div class="select_item"> <input type="checkbox" value="2" /><span>業務管理</span> </div> <div class="select_item"> <input type="checkbox" value="3" /><span>綜合事務</span> </div> <div class="select_item"> <input type="checkbox" value="4" /><span>授權審批</span> </div> </div> </div> </div> </body> </html>