Select2 - 搜索通配符匹配 [英] Select2 - Searching wildcard matches

问题描述

我正在使用Select2来设置我的选择框并添加功能，我想知道如何使搜索规则更加宽松。目前，如果我在下拉列表中有新墨西哥，我可以搜索墨西哥或新墨西哥以匹配选择选项，但如果我输入mexico new，我会找不到结果。有没有办法扩展搜索功能以匹配搜索词而不管它们的顺序？

I am using Select2 to style my select box and add functionality and I am wondering how I can make the search rules more lenient. Currently if I have "New Mexico" in the dropdown, I can search for "mexico" or "new mexico" to match the select option, but if I enter "mexico new" I get "no results found." Is there a way to extend the search functionality to match search words regardless of their order?

$(document).ready(function() {
  $(".states").select2();
});

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/select2/4.0.3/js/select2.min.js"></script>
<link href="https://cdnjs.cloudflare.com/ajax/libs/select2/4.0.3/css/select2.min.css" rel="stylesheet"/>
<select class="states" style="width: 50%">
  <option value="NH">New Hampshire</option>
  <option value="NJ">New Jersey</option>
  <option value="NM">New Mexico</option>
  <option value="TB">Tshirt, Black</option>
</select>

推荐答案

好吧，显然你可以设置自定义匹配器来实现这一目标。我找到了这个，它似乎正在按预期工作：

Alright, apparently you can set custom matchers to accomplish this. I found this one and it seems to be working as desired:

$(function () { 
    $('.states').select2({
        matcher: function (params, data) {
            if ($.trim(params.term) === '') {
                return data;
            }

            keywords=(params.term).split(" ");

            for (var i = 0; i < keywords.length; i++) {
                if (((data.text).toUpperCase()).indexOf((keywords[i]).toUpperCase()) == -1) 
                return null;
            }
            return data;
        }
    });
});

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/select2/4.0.3/js/select2.min.js"></script>
<link href="https://cdnjs.cloudflare.com/ajax/libs/select2/4.0.3/css/select2.min.css" rel="stylesheet"/>
<select class="states" style="width: 50%">
  <option value="NH">New Hampshire</option>
  <option value="NJ">New Jersey</option>
  <option value="NM">New Mexico</option>
  <option value="TB">Tshirt, Black</option>
</select>

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