我正在尝试在自动填充文本框中滚动更多滚动数据 当用户向下滚动时,它将起作用 分页根据需要加载更多结果。
类似于this。
我已经找了很长一段时间而且我有 找到类似我的类似问题的问题。
<div class="ui-widget">
<label for="tags">Enter Company Name: </label>
<input id="tags" class="form-control">
</div>
<script>
$( function() {
$( "#tags" ).autocomplete({
source: 'function/all_company_auto.php'
});
} );
</script>
这是我的PHP代码。
<?php
$get_company = "SELECT DISTINCT companies.company
FROM companies
INNER JOIN target_details
ON companies.company_id = target_details.company_id
WHERE companies.company LIKE \"%$company%\"
LIMIT 100 OFFSET 10
";
if($run_company = $conn->query($get_company)){
while($row = $run_company->fetch_assoc()){
$data[] = $row['company'];
}
echo json_encode($data);
}
?>
答案 0 :(得分:0)
首先,您的PHP需要能够收集有条件数量的结果。
这可能如下所示:
<?php
$start = isset($_POST['o']) ? int($_POST['o']) : 0; // Offset
$count = isset($_POST['l']) ? int($_POST['l']) : 100; // Limit
$company = $conn->real_escape_string($_POST['term']); // Search Term, protected from SQL Injection
$get_company = "SELECT DISTINCT companies.company
FROM companies
INNER JOIN target_details
ON companies.company_id = target_details.company_id
WHERE companies.company LIKE \"%$company%\"
LIMIT $count OFFSET $start";
if($run_company = $conn->query($get_company)){
while($row = $run_company->fetch_assoc()){
$data[] = $row['company'];
}
echo json_encode($data);
}
?>
现在,当我们请求更多数据时,我们可以发送{ o: 10, l: 100, term: "app" }
为例。从您给出的示例中提取,可能看起来有点像这样:
_scrollMenu: function(ul, items) {
var self = this;
var startShow = 10;
var maxShow = 100;
var results = [];
var pages = Math.ceil(items.length / maxShow);
$.ajax({
url: "function/all_company_auto.php",
type: "POST",
data: {
o: startShow,
l: maxShow,
term: self.request.term
},
dataType: "json",
sucess: function(data);
$.each(data, function(k, v) {
results.push(v);
});
});
//results = items.slice(startShow, maxShow);
if (pages > 1) {
$(ul).scroll(function() {
if (isScrollbarBottom($(ul))) {
++window.pageIndex;
if (window.pageIndex >= pages) return;
results = items.slice(window.pageIndex * maxShow, window.pageIndex * maxShow + maxShow);
//append item to ul
$.each(results, function(index, item) {
self._renderItem(ul, item);
});
//refresh menu
self.menu.deactivate();
self.menu.refresh();
// size and position menu
ul.show();
self._resizeMenu();
ul.position($.extend({
of: self.element
}, self.options.position));
if (self.options.autoFocus) {
self.menu.next(new $.Event("mouseover"));
}
}
});
}
$.each(results, function(index, item) {
self._renderItem(ul, item);
});
}
此示例的问题是项目数量已知。您必须进行初步查询以收集可能的总结果。所以这将开始分崩离析。这也不是自动完成的最佳用法。
如果您可以澄清为什么要获得如此多的结果而不是限制它,那就更好了。