multiple-Select源碼主頁:https://github.com/wenzhixin/multiple-select
multiple-Select文檔以及Demo:http://wenzhixin.net.cn/p/multiple-select/docs/index.html?locale=zh_CN
效果:

<select name='column' multiple="multiple" > <option value='1'> 選項一 </option> <option value='2'> 選項二 </option> <option value='3'> 選項三</option> </select>
<script>
// 初始化
$("select[name='column']").multipleSelect({
placeholder: "請選擇",
selectAllText:'全選',
allSelected:'選擇全部'
});
// 設置默認選中
$("select[name='column']").multipleSelect('setSelects', [1,2]);
</script>
