Blazor中的新手。需要尝试如何在Blazor中使用BS轮播。
我在Default Blazor应用程序中使用了以下代码。但这行不通。我需要做什么?
谢谢
我在Index.html
中添加了这一行
在“计数器”页面中。我添加了以下内容:
<div class="carousel-inner">
<div class="item active">
<img src="la.jpg" alt="Los Angeles" style="width:100%;">
<div class="carousel-caption">
<h3>Los Angeles</h3>
<p>LA is always so much fun!</p>
</div>
</div>
<div class="item">
<img src="chicago.jpg" alt="Chicago" style="width:100%;">
<div class="carousel-caption">
<h3>Chicago</h3>
<p>Thank you, Chicago!</p>
</div>
</div>
<div class="item">
<img src="ny.jpg" alt="New York" style="width:100%;">
<div class="carousel-caption">
<h3>New York</h3>
<p>We love the Big Apple!</p>
</div>
</div>
</div>
<a class="left carousel-control" href="#myCarousel" data-slide="prev">
<span class="glyphicon glyphicon-chevron-left"></span>
<span class="sr-only">Previous</span>
</a>
<a class="right carousel-control" href="#myCarousel" data-slide="next">
<span class="glyphicon glyphicon-chevron-right"></span>
<span class="sr-only">Next</span>
</a>
-更新:Index.html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width" />
<title>BlazorCarouselTest</title>
<base href="/" />
<link href="css/bootstrap/bootstrap.min.css" rel="stylesheet" />
<link href="css/site.css" rel="stylesheet" />
<script src="css/bootstrap/jquery-3.4.0.min.js" type="text/javascript"></script>
</head>
<body>
<app>Loading...</app>
<script src="_framework/blazor.webassembly.js"></script>
</body>
</html >
答案 0 :(得分:1)
Carousel需要一些javascript代码,需要在页面加载时进行配置,但是在blazor页面中,没有人调用该组件的初始化。好消息是,您可以通过代码完成。
三个简单步骤:
1.-创建并包含javascript on blazor(您可以复制此代码,将其粘贴到auction_umbrella/apps
页面的底部)
index.html
2.-稍微更改轮播的<script>
window.initializeCarousel = () =>
{
$('#carouselExampleIndicators').carousel({interval: 2000});
//see step 2 to understand these news id's:
$('#carouselExampleIndicators-prev').click (
() => $('#carouselExampleIndicators').carousel('prev') );
$('#carouselExampleIndicators-next').click (
() => $('#carouselExampleIndicators').carousel('next') );
}
</script>
(从html
div中删除href
。为上一个和下一个控件添加carousel-control-prev
):
id
3.-首次渲染后调用上一个代码:
<div id="carouselExampleIndicators"
class="carousel slide" data-ride="carousel">
<ol class="carousel-indicators">
<li data-target="#carouselExampleIndicators" data-slide-to="0" class="active"></li>
<li data-target="#carouselExampleIndicators" data-slide-to="1"></li>
</ol>
<div class="carousel-inner">
<div class="carousel-item active">
<img class="d-block w-50" src="..." alt="Pepa Pig">
</div>
<div class="carousel-item">
<img class="d-block w-50" src="..." alt="Sponge Bob">
</div>
</div>
<a id="carouselExampleIndicators-prev"
class="carousel-control-prev" role="button" data-slide="prev">
<span class="carousel-control-prev-icon" aria-hidden="true"></span>
<span class="sr-only">Previous</span>
</a>
<a id="carouselExampleIndicators-next"
class="carousel-control-next" role="button" data-slide="next">
<span class="carousel-control-next-icon" aria-hidden="true"></span>
<span class="sr-only">Next</span>
</a>
</div>
仅此而已
让我们知道您的转盘是否正在移动!
已编辑
记住要包括在index.html上运行引导轮播所需的所有js:
@page "/counter"
@inject IJSRuntime JsRuntime;
...
@functions {
int currentCount = 0;
bool firstRender = true;
...
protected async override Task OnAfterRenderAsync()
{
if (firstRender)
{
await JsRuntime.InvokeAsync<object>("initializeCarousel");
firstRender=false;
}
}
答案 1 :(得分:-1)
我可以在不使用 JavaScript 的情况下在 blazor 中自动滚动轮播。我还让 prev 和 next 按钮工作,当用户点击 prev 或 next 时,它进入手动模式并自动停止滚动。您可以在 https://stackoverflow.com/a/67172349/9203434
查看我的解决方案