此问题是 this question 的后续问题.
我创建了 this JSFiddle用于演示目的。
请注意,在 column1 中搜索值时,搜索会按预期进行。但是,当在 column2 中搜索值时(使用相同的“搜索字段”),data_table.search
似乎根本没有被调用,并且找不到相关行(按 F12 查看调试信息在控制台中)。
var data_table = $("#table").DataTable();
var search_term = null;
$.fn.DataTable.ext.search.push(
function(settings, row, index) {
if (search_term) {
search_term = search_term.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&');
search_term = search_term.toLowerCase();
}
console.log(`search_term is ${search_term}`)
var approver = $(data_table.cell(`:eq(${index})`, ':eq(0)').node()).find('.approver-select').val().toLowerCase();
console.log(`approver is ${approver}`)
var approver_match = approver.match(search_term);
console.log(`approver_match is ${approver_match}`)
var network_or_group = $(data_table.cell(`:eq(${index})`, ':eq(1)').node()).find('.network-or-group-text').val().toLowerCase();
console.log(`network_or_group is ${network_or_group}`)
var network_or_group_match = network_or_group.match(search_term);
console.log(`network_or_group_match is ${network_or_group_match}`)
console.log(`approver_match || network_or_group_match || !search_term is ${approver_match || network_or_group_match || !search_term}`)
console.log('')
console.log('')
return approver_match || network_or_group_match || !search_term;
}
);
$('#table_filter input', data_table.table().container()).on('keyup.DT cut.DT paste.DT input.DT search.DT', event => {
search_term = $(event.target).val();
data_table.draw();
});
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<html>
<body>
<table id="table">
<thead>
<th>column1</th>
<th>column2</th>
</thead>
<tbody>
<tr>
<td>
<select class="approver-select">
<option selected>user1</option>
<option>user2</option>
</select>
</td>
<td>
<input class="network-or-group-text" type="text" value="1.1.1.1/32">
</td>
</tr>
<tr>
<td>
<select class="approver-select">
<option>user1</option>
<option selected>user2</option>
</select>
</td>
<td>
<input class="network-or-group-text" type="text" value="2.2.2.0/24">
</td>
</tr>
</tbody>
</table>
</body>
<script src="https://cdn.datatables.net/1.10.19/js/jquery.dataTables.min.js"></script>
<link rel="stylesheet" type="text/css" href="https://cdn.datatables.net/1.10.19/css/jquery.dataTables.min.css">
</html>
最佳答案
使用 html-input
类型的一种更简单的方法如下所示。您定义要定位的列,并在搜索时返回值。它适用于选择和输入。
您不需要检查 keyup.DT cut.DT paste.DT input.DT search.DT
,因为数据表也会自动为您完成。
$.fn.dataTableExt.ofnSearch['html-input'] = function(value) {
return $(value).val();
};
var data_table = $("#table").DataTable({
columnDefs: [{
"type": "html-input",
"targets": [0, 1]
}]
});
<html>
<body>
<table id="table">
<thead>
<th>column1</th>
<th>column2</th>
</thead>
<tbody>
<tr>
<td>
<select class="approver-select">
<option selected>user1</option>
<option>user2</option>
</select>
</td>
<td>
<input class="network-or-group-text" type="text" value="1.1.1.1/32">
</td>
</tr>
<tr>
<td>
<select class="approver-select">
<option>user1</option>
<option selected>user2</option>
</select>
</td>
<td>
<input class="network-or-group-text" type="text" value="2.2.2.0/24">
</td>
</tr>
</tbody>
</table>
</body>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js"></script>
<script src="https://cdn.datatables.net/1.10.19/js/jquery.dataTables.min.js"></script>
<link rel="stylesheet" type="text/css" href="https://cdn.datatables.net/1.10.19/css/jquery.dataTables.min.css">
</html>
这更简洁并且使用了数据表的基本类型属性,而不是像您现在所做的那样在搜索时过滤所有数据。
关于javascript - datatables.search 函数修改后的奇怪行为,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/54687586/