防止使用select2插件（v4）重新加载数据

防止使用select2插件（v4）重新加载数据

由于您正在使用select2_v.4，因此必须使用

data-adapters

（

query

并且

initSelection

方法在V.4.0中已弃用）以下是

custom-data-adapter

通过名为方法使用的示例

AMD-Pattern

。我没有机会进行测试，但是我相信这会为您提供继续前进的方向。

<link href="https://cdnjs.cloudflare.com/ajax/libs/select2/4.0.0/css/select2.min.css" rel="stylesheet" /><script type="text/javascript" src="https://pre.jquery.com/jquery-2.1.4.js"></script><script src="https://cdnjs.cloudflare.com/ajax/libs/select2/4.0.0/js/select2.full.min.js"></script><script>    var cachedData;    $.fn.select2.amd.define('select2/data/customAdapter', ['select2/data/array', 'select2/utils'],       function (ArrayAdapter, Utils) {function CustomDataAdapter($element, options) {    CustomDataAdapter.__super__.constructor.call(this, $element, options);}Utils.Extend(CustomDataAdapter, ArrayAdapter);CustomDataAdapter.prototype.query = function (params, callback) {    var retData;    if (cachedData != undefined) // check if data existing in cachedData variable        retData = cachedData;    else {        $.ajax({ url: url, dataType: 'json', quietMillis: 250, data: function (params) {     return {         term: params.term,         page: params.page,         page_limit: default_page_size     }; }, success: function (data) {     retData = {         results: data.data,         pagination: {  more: (data.page * default_page_size) < data.count         }     };     cachedData = retData; // save the retData in a global variable }, error: function (er) {     debugger; }, cache: true        });    }    callback(retData);};return CustomDataAdapter;       });    $(document).ready(function () {        var customAdapter = $.fn.select2.amd.require('select2/data/customAdapter');        $("#select1").select2({ tags: true, dataAdapter: customAdapter, escapeMarkup: function (markup) {     return markup; }, minimumInputLength: 0, templateResult: formatTemplateResult, templateSelection: formatTemplateSelection        });    });</script>