Reactjs 引导程序4未完全呈现
我已经搜索了引导4登录导航栏模板,我遇到了。我已经转换了,代码如下:Reactjs 引导程序4未完全呈现,reactjs,bootstrap-4,Reactjs,Bootstrap 4,我已经搜索了引导4登录导航栏模板,我遇到了。我已经转换了,代码如下: import React, {Component} from 'react'; class HeaderComponent extends Component { render() { return ( <nav className="navbar navbar-expand-lg navbar-dark bg-dark fixed-top">
import React, {Component} from 'react';
class HeaderComponent extends Component {
render() {
return (
<nav className="navbar navbar-expand-lg navbar-dark bg-dark fixed-top">
<div className="container">
<a className="navbar-brand" href="/">Reddit</a>
<button className="navbar-toggler border-0" type="button" data-toggle="collapse" data-target="#exCollapsingNavbar">
☰
</button>
<div className="collapse navbar-collapse" id="exCollapsingNavbar">
<ul className="nav navbar-nav">
<li className="nav-item"><a href="/" className="nav-link">Home</a></li>
<li className="nav-item"><a href="/" className="nav-link">Popular</a></li>
<li className="nav-item"><a href="/" className="nav-link">All</a></li>
</ul>
<ul className="nav navbar-nav flex-row justify-content-between ml-auto">
<li className="nav-item order-2 order-md-1"><a href="/" className="nav-link" title="settings"><i className="fa fa-cog fa-fw fa-lg"></i></a></li>
<li className="dropdown order-1">
<button type="button" id="dropdownMenu1" data-toggle="dropdown" className="btn btn-outline-secondary dropdown-toggle">Login <span className="caret"></span></button>
<ul className="dropdown-menu dropdown-menu-right mt-2">
<li className="px-3 py-2">
<form className="form">
<div className="form-group">
<input id="emailInput" placeholder="Email" className="form-control form-control-sm" type="text" required="" />
</div>
<div className="form-group">
<input id="passwordInput" placeholder="Password" className="form-control form-control-sm" type="text" required="" />
</div>
<div className="form-group">
<button type="submit" className="btn btn-primary btn-block">Login</button>
</div>
<div className="form-group text-center">
<small><a href="/" data-toggle="modal" data-target="#modalPassword">Forgot password?</a></small>
</div>
</form>
</li>
</ul>
</li>
</ul>
</div>
</div>
</nav>
)
}
}
export default HeaderComponent;
import React,{Component}来自'React';
类HeaderComponent扩展组件{
render(){
返回(
☰
-
登录
-
登录
)
}
}
导出默认HeaderComponent;
这里的问题是没有呈现登录选项的下拉列表。当我最小化窗口时,所有选项都被隐藏,但按下按钮不会打开菜单。我认为可能您有更高的z索引,因为您的代码目前在中间工作: HTML:
我已经导入了所有引导脚本(可能会有帮助)
代码是组件渲染的复制和粘贴。我在
index.js
中以这种方式导入引导:import'bootstrap/dist/css/bootstrap.min.css'代码>现在我应该在哪里写这些语句。我应该把它们写在index.html
文件中吗?(添加index.html
没有帮助)。此外,我没有手动更改任何z索引值,所以我在哪里查找它们?您可以从源链接下载引导文件,也可以将链接和脚本粘贴到index.html中(从这里:)。使用浏览器查看网络请求,并确保这些链接没有问题。因此,我已将链接和脚本复制到index.html
中,并在django运行的localhost:8000
中正常工作,但在localhost:3000
中则没有。为什么?@SreekarMouli我不知道为什么:)确保您使用的是正确的index.html,并确保每个项目都有其链接和脚本(如您所见,存在完整性检查,请尝试从网站复制,并以新的完整性粘贴到react项目脚本和链接中)。确保网络请求中未阻止请求!
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" integrity="sha384-WskhaSGFgHYWDcbwN70/dfYBj47jz9qbsMId/iRN3ewGhXQFZCSftd1LZCfmhktB" crossorigin="anonymous">
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.3/umd/popper.min.js" integrity="sha384-ZMP7rVo3mIykV+2+9J3UJ46jBk0WLaUAdn689aCwoqbBJiSnjAK/l8WvCWPIPm49" crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js" integrity="sha384-smHYKdLADwkXOn1EmN1qk/HfnUcbVRZyYmZ4qpPea6sjB/pTJ0euyQp0Mk8ck+5T" crossorigin="anonymous"></script>
<div id="container">
<!-- This element's contents will be replaced with your component. -->
</div>