javascript - jQuery UI 自动完成功能不起作用

Question

这是我的 JavaScript 代码:

<script type="text/javascript">
//<![CDATA[
$(document).ready(function() {
    $("input#suggestZams").autocomplete({
        source: "content/prevadzky/zam/zam_json2.php?letter=all",
        minLength: 1,
        delay: 0,
        select: function(event, ui) {
            alert(1);
        }
    });
});
//]]>
</script>

这是我的 HTML:

<input id="suggestZams" class="input" size="10" />

URL zam_json2.php?letter=all 返回这个 json:

[
{ "id": "31440", "value": "Andrej\u010d\u00e1k, Ing." },
{ "id": "31690", "value": "Alexovi\u010d , Ing." },
{ "id": "31796", "value": "Antoni\u010d , Ing." },
{ "id": "31989", "value": "Antolik , Ing." },
{ "id": "32010", "value": "Ambrozov\u00e1 RNDr., PhD." },
{ "id": "32014", "value": "Aksam\u00edt" },
{ "id": "32024", "value": "Angelovi\u010d" },
{ "id": "32102", "value": "Andrej\u010d\u00e1k" },
{ "id": "32168", "value": "Avukov\u00e1 , Ing." },
{ "id": "32177", "value": "Andr\u00e1\u0161" },
{ "id": "32181", "value": "Andrej\u010d\u00e1kov\u00e1 , Mgr." },
{ "id": "32403", "value": "Arend\u00e1\u0161 , Bc." },
{ "id": "47379", "value": "An\u010fal" },
{ "id": "47399", "value": "Adam\u00edk , Ing." },
{ "id": "50022", "value": "Abo\u0161i" },
{ "id": "50085", "value": "Armer\u00eda Olmedo , Ing." },
{ "id": "53468", "value": "Anto\u0161" },
{ "id": "54837", "value": "Adamec , Ing." },
{ "id": "56659", "value": "Apostolou" },
{ "id": "57820", "value": "Alez\u00e1r" },
{ "id": "58576", "value": "Andrej\u010d\u00e1k , Bc." },
{ "id": "58587", "value": "Aronov\u00e1 , Ing." },
{ "id": "58595", "value": "Abaffy , Bc." },
{ "id": "58607", "value": "Adamec , Bc." },
{ "id": "58643", "value": "Antu\u0161 , Ing." },
{ "id": "62277", "value": "Adam\u010d\u00e1k , Mgr." },
{ "id": "62379", "value": "Andruch" },
{ "id": "63415", "value": "Adamkovi\u010d , Ing." }
]

Answer 1

引用:

Autocomplete can be customized to work with various data sources, by just specifying the source option. A data source can be:

• an Array with local data
• a String, specifying a URL
• a Callback

When a String is used, the Autocomplete plugin expects that string to point to a URL resource that will return JSON data. It can be on the same host or on a different one (must provide JSONP). The request parameter "term" gets added to that URL. The data itself can be in the same format as the local data described above.

我觉得你在做什么很奇怪。我认为您实际上需要编辑服务器端脚本，以便它期望查询字符串变量 term 而不是字母 and 返回字符串数组或 数组code>{label, value} 对象而不是 {value, id}。

如果 URL content/prevadzky/zam/zam_json2.php?letter=all 一次提供了“完整”的单词列表，您可以按照以下方式做一些事情:

$.getJSON("content/prevadzky/zam/zam_json2.php?letter=all", function(data) {
    var datacopy = $.map(data, function(item) {
        return {
            label: item.value,
            value: item.id
        };
    });
    $("input#suggestZams").autocomplete({
        source: datacopy,
        minLength: 1,
        delay: 0,
        select: function(event, ui) {
            alert(typeof ui);
        }
    });
});