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HTML

              
                <form method="post">
    <select class="user"></select>
</form>
              
            
!

CSS

              
                
              
            
!

JS

              
                $(function (){
    $(".user").select2({
        language: 'zh-TW',
        width: '100%',
        // 最多字元限制
        maximumInputLength: 10,
        // 最少字元才觸發尋找, 0 不指定
        minimumInputLength: 0,
        // 當找不到可以使用輸入的文字
        // tags: true,
        placeholder: '請輸入名稱...',
        // AJAX 相關操作
        ajax: {
            url: 'https://next.json-generator.com/api/json/get/E1SKlb7-r',
            type: 'get',
            // 要送出的資料
            data: function (params){
                // 在伺服器會得到一個 POST 'search' 
                return {
                    search: params.term 
                };
            },
            processResults: function (data, params){
                console.log(data)

                // 一定要返回 results 物件
                return {
                    results: data,
                    // 可以啟用無線捲軸做分頁
                    pagination: {
                        more: true
                    }
                }
            }
        }
    });
})
              
            
!
999px

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