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html - 移动到不同页面时页脚闪烁

问题描述

我有以下标记在主布局中显示固定页脚：

<nav class="main-footer navbar navbar-expand navbar-white navbar-light" style="height: 40px;">
    <ul class="navbar-nav">
        <li class="nav-item d-none d-sm-inline-block">
            <a href="" class="nav-link"><strong>MySite</strong></a>
        </li>
        <li class="nav-item d-none d-sm-inline-block">
            <a asp-area="" asp-controller="Home" asp-action="About" class="nav-link">About</a>
        </li>
        <li class="nav-item d-none d-sm-inline-block">
            <a asp-area="" asp-controller="Home" asp-action="PrivacyPolicy" class="nav-link">Privacy Policy</a>
        </li>   
        <li class="nav-item d-none d-sm-inline-block">
            <a asp-area="" asp-controller="Home" asp-action="Terms" class="nav-link">Terms</a>
        </li>
    </ul>     
    <ul class="navbar-nav ml-auto">
        <li class="nav-item">
            Your IP: @(ipAddress)  
        </li>
    </ul>
</nav>

使用此标记，页脚在页面之间移动时会不断闪烁。

我以前使用的footer标签效果很好，但我更改为上面的代码以nav在标题中添加项目。

有没有办法解决这个问题？

标签： htmlasp.net-corebootstrap-4

解决方案

也许问题与nav' 高度属性有关。如果要设置页脚的高度，请尝试在元素中设置line-height属性。footer代码如下：

@{
    var ipAddress = "";
    if (ViewBag.ipAddress != null)
    {
        ipAddress = ViewBag.ipAddress;
    }
    else
    {
        ipAddress = "Null";
    }
}
<footer class="border-top footer text-muted" style="line-height:40px !important;" > 
        <nav class="main-footer navbar navbar-expand navbar-white navbar-light" >
            <ul class="navbar-nav flex-grow-1">
                <li class="nav-item d-none d-sm-inline-block">
                    <a href="" class="nav-link"><strong>MySite</strong></a>
                </li>
                <li class="nav-item d-none d-sm-inline-block">
                    <a asp-area="" asp-controller="Home" asp-action="About" class="nav-link">About</a>
                </li>
                <li class="nav-item d-none d-sm-inline-block">
                    <a asp-area="" asp-controller="Home" asp-action="PrivacyPolicy" class="nav-link">Privacy Policy</a>
                </li>
                <li class="nav-item d-none d-sm-inline-block">
                    <a asp-area="" asp-controller="Home" asp-action="Terms" class="nav-link">Terms</a>
                </li>
            </ul>
            <ul class="navbar-nav ml-auto">
                <li class="nav-item">
                    Your IP: @(ipAddress)
                </li>
            </ul>
        </nav> 
</footer>

然后，结果如下：

在此处输入图像描述

更新：

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>@ViewData["Title"] - WebApplication1</title>
    <link rel="stylesheet" href="~/lib/bootstrap/dist/css/bootstrap.min.css" />
    <link rel="stylesheet" href="~/css/site.css" />
</head>
<body>
    <header>
        <nav class="navbar navbar-expand-sm navbar-toggleable-sm navbar-light bg-white border-bottom box-shadow mb-3">
            <div class="container">
                <a class="navbar-brand" asp-area="" asp-controller="Home" asp-action="Index">WebApplication1</a>
                <button class="navbar-toggler" type="button" data-toggle="collapse" data-target=".navbar-collapse" aria-controls="navbarSupportedContent"
                        aria-expanded="false" aria-label="Toggle navigation">
                    <span class="navbar-toggler-icon"></span>
                </button>
                <div class="navbar-collapse collapse d-sm-inline-flex justify-content-between">
                    <ul class="navbar-nav flex-grow-1">
                        <li class="nav-item">
                            <a class="nav-link text-dark" asp-area="" asp-controller="Home" asp-action="Index">Home</a>
                        </li>
                        <li class="nav-item">
                            <a class="nav-link text-dark" asp-area="" asp-controller="Home" asp-action="Privacy">Privacy</a>
                        </li>
                    </ul>
                    <partial name="_LoginPartial" />
                </div>
            </div>
        </nav>
    </header>
    <div class="container">
        <main role="main" class="pb-3">
            @RenderBody()
        </main>
    </div>
    @{
        var ipAddress = "";
        if (ViewBag.ipAddress != null)
        {
            ipAddress = ViewBag.ipAddress;
        }
        else
        {
            ipAddress = "Null";
        }
    }
    <footer class="border-top footer text-muted" style="line-height:40px !important;" > 
            <nav class="main-footer navbar navbar-expand navbar-white navbar-light" >
                <ul class="navbar-nav flex-grow-1">
                    <li class="nav-item d-none d-sm-inline-block">
                        <a href="" class="nav-link"><strong>MySite</strong></a>
                    </li>
                    <li class="nav-item d-none d-sm-inline-block">
                        <a asp-area="" asp-controller="Home" asp-action="About" class="nav-link">About</a>
                    </li>
                    <li class="nav-item d-none d-sm-inline-block">
                        <a asp-area="" asp-controller="Home" asp-action="PrivacyPolicy" class="nav-link">Privacy Policy</a>
                    </li>
                    <li class="nav-item d-none d-sm-inline-block">
                        <a asp-area="" asp-controller="Home" asp-action="Terms" class="nav-link">Terms</a>
                    </li>
                </ul>
                <ul class="navbar-nav ml-auto">
                    <li class="nav-item">
                        Your IP: @(ipAddress)
                    </li>
                </ul>
            </nav> 
    </footer>
    @*<footer class="border-top footer text-muted">
            <div class="container">
                &copy; 2021 - WebApplication1 - <a asp-area="" asp-controller="Home" asp-action="Privacy">Privacy</a>
            </div>
        </footer>*@
    <script src="~/lib/jquery/dist/jquery.min.js"></script>
    <script src="~/lib/bootstrap/dist/js/bootstrap.bundle.min.js"></script>
    <script src="~/js/site.js" asp-append-version="true"></script>
    @await RenderSectionAsync("Scripts", required: false)
</body>
</html>

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