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在php mysql中使用类别自动完成功能无效

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我想要做的是通过jQueryUI的功能使用自动完成分类结果 . 经过一些谷歌搜索后,我发现它有一个内置函数(http://jqueryui.com/demos/autocomplete/#categories),但该示例仅适用于本地数据源(javascript中的数组) . 我正在处理远程数据源 . 我的代码是

<script>
$( function() {
 $.widget("custom.catcomplete", $.ui.autocomplete, {
_renderMenu: function(ul, items) {
    var self = this,
        currentCategory = "";
    $.each(items, function(index, item) {
        if (item.category != currentCategory) {
            ul.append("<li class='ui-autocomplete-category'>" + item.category + "</li>");
            currentCategory = item.category;
        }
        self._renderItem(ul, item);
    });
}
});
$( "#search" ).catcomplete({
    delay:0,
    source: "search.php",
    select: function(event, ui){
    alert(ui.item.label);
}
});
} );
 </script>
 </head>
 <body>
<label for="search">Search: </label>
<input id="search">
</body>

这是 search.php

<?php
 $conn = mysqli_connect("localhost","root","","test") or die(mysqli_error());
 $searchTerm = $_GET['term'];
 $sql = "select * from country_ref_table where country_code LIKE '%".$searchTerm."%' ORDER BY country_code ASC";
 $result = mysqli_query($conn,$sql) or die(mysqli_error($conn));
 $data = [];
 while($row = mysqli_fetch_array($result))
  {
   $data[] = $row['country_code'];
   $data[] = $row['country'];
  }
 echo json_encode($data);
  ?>

2 回答

  • 0

    代替:

    $searchTerm = $_GET['term'];
     $sql = "select * from country_ref_table";
    

    您需要在查询中包含 $searchTerm ,有点像:

    $searchTerm = $_GET['term'];
    
    $sql = "select * from country_ref_table WHERE `columnTerm` LIKE '%".$searchTerm ."%' ";
    

    要么

    $sql = "select * from country_ref_table WHERE `columnTerm` = '$searchTerm' ";
    
  • 0
    $searchTerm = $_GET['term'];
     $sql = "select * from country_ref_table";
    

    在$ sql中添加它

    $sql = "select * from country_ref_table where `term` LIKE '%".$searchTerm ."%'";
    

    然后使用这样的数据:

    $data=array();
    while($row = mysqli_fetch_array($result))
      {
       $data[]['id'] = $row['country_code'];
       $data[]['category'] = $row['country'];
      }
     echo json_encode($data);
    

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