<%--multiple 为多选--%><select multiple id="e1">        <option></option>        <option value="AL">Alabama</option>        <option value="WY">Wyoming</option></select>

 $(document).ready(function() {             $("#e1").select2({                placeholder: "Choose a person",                width:"200px",                closeOnSelect: false            });});

<input type="hidden" id="e2" />

var data = http://www.mamicode.com/[{id: 0, text:‘story‘},{id: 1, text:‘bug‘},{id: 2, text: ‘task‘}]; //或者一下形式都可，但必须是text属性//var data = http://www.mamicode.com/[{"id": "0", "text": "story"},{"id": "1", "text": "bug"},{"id": "2", "text": "task"}];$("#e2").select2({     width:"200px",     multiple:true,     data:data   });

//当数据源不是text属性时var source=[{id:0,tag:‘enhancement‘},{id:1,tag:‘bug‘},{id:2,tag:‘duplicate‘},{id:3,tag:‘invalid‘},{id:4,tag:‘wontfix‘}];function format(item) { return item.tag; }   
         $("#e2").select2({    width:"200px",    multiple:true,    data:source,    formatSelection: format,    formatResult: format});

alert(JSON.stringify($(‘#e3‘).select2(‘data‘)))