JQuery MultiSelect(左右选择框)

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">  
<html xmlns="http://www.w3.org/1999/xhtml">
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
	<title>demo</title>
	<script src="jquery-1.4.4.min.js"></script>
	<script>
	$(function(){
		//选择一项
		$("#addOne").click(function(){
			$("#from option:selected").clone().appendTo("#to");
			$("#from option:selected").remove();
		});

		//选择全部
		$("#addAll").click(function(){
			$("#from option").clone().appendTo("#to");
			$("#from option").remove();
		});

		//移除一项
		$("#removeOne").click(function(){
			$("#to option:selected").clone().appendTo("#from");
			$("#to option:selected").remove();
		});

		//移除全部
		$("#removeAll").click(function(){
			$("#to option").clone().appendTo("#from");
			$("#to option").remove();
		});

		//移至顶部
		$("#Top").click(function(){
			var allOpts = $("#to option");
			var selected = $("#to option:selected");

			if(selected.get(0).index!=0){
				for(i=0;i<selected.length;i++){
				   var item = $(selected.get(i));
				   var top = $(allOpts.get(0));
				   item.insertBefore(top);
				}
			}
		});

		//上移一行
		$("#Up").click(function(){
			var selected = $("#to option:selected");
			if(selected.get(0).index!=0){
				selected.each(function(){
					$(this).prev().before($(this));
				});
			}
		});

		//下移一行
		$("#Down").click(function(){
			var allOpts = $("#to option");
			var selected = $("#to option:selected");

			if(selected.get(selected.length-1).index!=allOpts.length-1){
				for(i=selected.length-1;i>=0;i--){
				   var item = $(selected.get(i));
				   item.insertAfter(item.next());
				}
			}
		});

		//移至底部
		$("#Buttom").click(function(){
			var allOpts = $("#to option");
			var selected = $("#to option:selected");

			if(selected.get(selected.length-1).index!=allOpts.length-1){
				for(i=selected.length-1;i>=0;i--){
				   var item = $(selected.get(i));
				   var buttom = $(allOpts.get(length-1));
				   item.insertAfter(buttom);
				}
			}
		});
	});
	</script>
  </head>
<body>
<table align="center" width="288" border="0" cellpadding="0" cellspacing="0">
	<tr>
		<td colspan="4">
			<select name="from" id="from" multiple="multiple" size="10" style="width:100%">
				<option value="1">选项1</option>
				<option value="2">选项2</option>
				<option value="3">选项3</option>
				<option value="4">选项4</option>
				<option value="5">选项5</option>
				<option value="6">选项6</option>
				<option value="7">选项7</option>
			</select>
		</td>
		<td align="center">
			<input type="button" id="addAll" value=" >> " style="width:50px;" /><br />
			<input type="button" id="addOne" value=" > " style="width:50px;" /><br />
			<input type="button" id="removeOne" value="<" style="width:50px;" /><br />
			<input type="button" id="removeAll" value="<<" style="width:50px;" /><br />
		</td>
		<td colspan="4">
			<select name="to" id="to" multiple="multiple" size="10" style="width:100%">
			</select>
		</td>
		<td align="center">
			<input type="button" id="Top" value="置顶" style="width:50px;" /><br />
			<input type="button" id="Up" value="上移" style="width:50px;" /><br />
			<input type="button" id="Down" value="下移" style="width:50px;" /><br />
			<input type="button" id="Buttom" value="置底" style="width:50px;" /><br />
		</td>
	</tr>
</table>
</body>
</html>




还有一个插件     附上插件官网地址(multiselect2side plugin):http://www.senamion.com/blog/jmultiselect2side.html


转载来自 http://my.oschina.net/aki319/blog/73170


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