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html - 溢出-y 滚动,子溢出

转载 作者:行者123 更新时间:2023-11-28 00:15:21 25 4
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我有一个宽度为 300 像素、高度为 100%、溢出-y:滚动的 div(父级)。在父 div 中,我有一个子 div,它呈现一个 Angular 组件。当前组件(子)在父级内部溢出。但我希望它位于一切之上。

当前工作示例

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<title>Angular accoridon</title>
<meta name="viewport" content="width=device-width, initial-scale=1" />
<script src="https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.7.8/angular.min.js"></script>
<style></style>
</head>
<body ng-app="app" ng-controller="controller">
<div style="overflow-y: scroll;width: 300px;height: 500px">
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>
<input type="text" ng-model="searchTerm" />
<div ng-if="searchTerm" style="width: 500px;">
<div
ng-click="onClick(item)"
ng-repeat="item in items | filter: searchTerm"
style="background: lightgray; padding: 20px;margin: 5px 0px;"
>
{{ item.name }}
</div>
</div>
</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<link href="https://cdnjs.cloudflare.com/ajax/libs/normalize/3.0.2/normalize.min.css" rel="stylesheet" type="text/css" />
<div>Hello World!!</div>
<div>Hello World!!</div>
</div>
<script>
angular.module('app', []).controller('controller', function($scope) {
$scope.searchTerm = '';
$scope.items = [
{name: 'First'},
{name: 'Second'},
{name: 'Third'},
{name: 'Fourth'},
{name: 'Fifth'},
{name: 'Sixth'},
{name: 'Seventh'},
{name: 'Eighth'},
{name: 'Ninth'},
{name: 'Tenth'},
{name: 'Eleventh'},
{name: 'Twelth'},
{name: 'Thirteenth'},
{name: 'Fourteenth'},
{name: 'Fifteenth'},
];
$scope.onClick = function(item) {
console.log(item.name);
$scope.searchTerm = '';
};
});
</script>
</body>
</html>

必需:

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<title>Angular accoridon</title>
<meta name="viewport" content="width=device-width, initial-scale=1" />
<script src="https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.7.8/angular.min.js"></script>
<style></style>
</head>
<body ng-app="app" ng-controller="controller">
<div style="overflow-y: scroll;width: 300px;height: 500px">
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>
<input type="text" ng-model="searchTerm" />
<div ng-if="searchTerm" style="width: 500px;position: fixed">
<div
ng-click="onClick(item)"
ng-repeat="item in items | filter: searchTerm"
style="background: lightgray; padding: 20px;margin: 5px 0px;"
>
{{ item.name }}
</div>
</div>
</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
</div>
<script>
angular.module('app', []).controller('controller', function($scope) {
$scope.searchTerm = '';
$scope.items = [
{name: 'First'},
{name: 'Second'},
{name: 'Third'},
{name: 'Fourth'},
{name: 'Fifth'},
{name: 'Sixth'},
{name: 'Seventh'},
{name: 'Eighth'},
{name: 'Ninth'},
{name: 'Tenth'},
{name: 'Eleventh'},
{name: 'Twelth'},
{name: 'Thirteenth'},
{name: 'Fourteenth'},
{name: 'Fifteenth'},
];
$scope.onClick = function(item) {
console.log(item.name);
$scope.searchTerm = '';
};
});
</script>
</body>
</html>

我能够让它工作它的位置:固定,结果出现在顶部,但是如果我开始滚动父级,那么结果会停留在它们所在的位置(因为它们是固定的)并且不要坚持输入。预期的行为是它们应该粘在父滚动条上的输入文本框上,并且结果必须在顶部。

最佳答案

使用 CSS 定位来正确放置元素。查看以下链接以了解您的选择 https://www.w3schools.com/css/css_positioning.asp .

在下面修改后的代码段中,第一个文本框出现在 div 的顶部,位置为:固定。即使页面滚动,它也会保持原样。

但是,位于底部的第二个 texbox 具有绝对位置,它相对于您的父容器(即您的父 div)是绝对的。

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<title>Angular accoridon</title>
<meta name="viewport" content="width=device-width, initial-scale=1" />
<script src="https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.7.8/angular.min.js"></script>
<style></style>
</head>
<body ng-app="app" ng-controller="controller">
<div style="overflow-y: scroll;width: 300px;height: 500px">
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div style="position:absolute; bottom:0">
<input type="text" ng-model="searchTerm" />
<div ng-if="searchTerm" style="width: 500px;position: fixed">
<div
ng-click="onClick(item)"
ng-repeat="item in items | filter: searchTerm"
style="background: lightgray; padding: 20px;margin: 5px 0px;"
>
{{ item.name }}
</div>
</div>
</div>
<div style="position:fixed; top:0">
<input type="text" ng-model="searchTerm" />
<div ng-if="searchTerm" style="width: 500px;position: fixed">
<div
ng-click="onClick(item)"
ng-repeat="item in items | filter: searchTerm"
style="background: lightgray; padding: 20px;margin: 5px 0px;"
>
{{ item.name }}
</div>
</div>
</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
<div>Hello World!!</div>
</div>
<script>
angular.module('app', []).controller('controller', function($scope) {
$scope.searchTerm = '';
$scope.items = [
{name: 'First'},
{name: 'Second'},
{name: 'Third'},
{name: 'Fourth'},
{name: 'Fifth'},
{name: 'Sixth'},
{name: 'Seventh'},
{name: 'Eighth'},
{name: 'Ninth'},
{name: 'Tenth'},
{name: 'Eleventh'},
{name: 'Twelth'},
{name: 'Thirteenth'},
{name: 'Fourteenth'},
{name: 'Fifteenth'},
];
$scope.onClick = function(item) {
console.log(item.name);
$scope.searchTerm = '';
};
});
</script>
</body>
</html>

关于html - 溢出-y 滚动,子溢出,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/55147304/

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