我 hive 尝试了几件事,并看到它在概念上在这里工作 How to call and form a React.js function from HTML我从这个文件生成的 HTML 中得到的只是
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="description" content="BonApp">
<meta name="keywords" content="HTML,CSS,JavaScript">
<!-- <meta name="viewport" content="width=device-width; initial-scale=1.0; maximum-scale=1.0;"> -->
<link href="index.css" type="text/css" rel="stylesheet">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css">
<link href='https://fonts.googleapis.com/css?family=Roboto:400,100,300,500,700,900' rel='stylesheet' type='text/css'>
<script src="https://code.jquery.com/jquery-2.2.2.min.js" integrity="sha256-36cp2Co+/62rEAAYHLmRCPIych47CvdM+uTBJwSzWjI=" crossorigin="anonymous"></script>
<link rel="stylesheet" type="text/css" href="https://cdn.jsdelivr.net/jquery.slick/1.5.9/slick.css" />
<link rel="stylesheet" type="text/css" href="slick.css" />
<link rel="stylesheet" type="text/css" href="slick-theme.css" />
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/15.2.1/react-with-addons.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/15.2.1/react-dom.min.js"></script>
<script type="text/javascript" src="https://cdn.jsdelivr.net/jquery.slick/1.5.9/slick.min.js"></script>
<script src="https://scontent.xx.fbcdn.net/t39.3284-6/13591530_1796350410598576_924751100_n.js"></script>
<script src="https://scontent.xx.fbcdn.net/t39.3284-6/13591520_511026312439094_2118166596_n.js"></script>
<title>BonApp</title>
</head>
<body>
<div id="nav"></div>
<div id="Gallery"></div>
<div id="whatsnew"></div>
<div id="advertiseApp"></div>
<div id="events"></div>
<div id="footer"></div>
</body>
<script type="text/javascript">
$('.autoplay').slick({
slidesToShow: 2
, slidesToScroll: 1
, autoplay: true
, autoplaySpeed: 2000
, });
</script>
</html>
这正是我放入其中的内容,这意味着它不是从 JavaScript 文件调用,(这与前面提到的堆栈溢出消息中提到的相同)我希望答案落在以下范围内:“我有错误的 Babel 版本”。
感谢所有帮助!!!
编辑:这里是 JS 代码的副本,只是为了确定。
var NavBar = React.createClass({
render: function() {
return (
/* NavBar */
<div className="dark_bg_color">
<img src="logo.png" />
<div className="table_center">
<div>
<ul>
<li>daily specials</li>
<li>gift gallery</li>
<li>events</li>
<li><i className="fa fa-search" /> search</li>
</ul>
</div>
</div>
<div className="right_nav">
<div className="table_center">
<div>
<button type="button">Sign Up</button>
<button type="button">Log In</button>
<div className="vertical-line"> </div>
<button type="button">Cart</button>
</div>
</div>
</div>
</div>
);
}
});
ReactDOM.render(<NavBar />, document.getElementById('nav'));
var Gallery = React.createClass({
render: function() {
return (
/* Gallery */
<div >
<div align="middle">
<div id="head">
<img id="pic" align="middle" max-width="100%" src="title_pic.png" />
<div align="left" className="big">
<div>
<span>Dine with the Best</span>
<div className="words">
<span>BonApp connects you with limited-time, exclusive meals and events offered by the city’s best chefs.<br /><br /><br /><button type="button">JOIN BONAPP</button></span>
</div>
</div>
</div>
</div>
</div>
</div>
);
}
});
ReactDOM.render(<Gallery />, document.getElementById("Gallery"));
var WhatsNew = React.createClass({
render: function() {
return (
<div className="dark_bg_color">
<h2 style={{marginBottom: 30}}>
<span>What's New</span>
</h2>
<div className="autoplay">
<img src="whatsnew0.png" />
<img src="whatsnew1.png" />
<img src="whatsnew0.png" />
</div>
</div>
);
}
});
ReactDOM.render(<WhatsNew />, document.getElementById("whatsnew"));
var BonEvents = React.createClass({
render: function() {
return (
/* Events */
<div id="events" className="dark_bg_color">
<div className="box">
<div className="box-text">
<div className="horizontal-line" />
<div><div className="horizontal-line" /><p>LES BON CADEAUX</p></div>
<div className="horizontal-line" />
</div>
</div>
<h2>
<span>Bon Events</span>
</h2>
<div>
</div>
</div>
);
}
});
ReactDOM.render(<BonEvents />, document.getElementById("events"));
var IOS = React.createClass({
render: function() {
/* IOS */
return (
<div >
<h2>
<span />
</h2>
</div>
);
}
});
ReactDOM.render(<IOS />, document.getElementById("advertiseApp"));
var Footer = React.createClass({
render: function() {
return (
/* Footer */
<div>
<div className="footer_center">
<div>
<ul>
<li>ABOUT</li>
<li>PRESS</li>
<li>CONTACT</li>
<li>SUPPORT</li>
<li>BONAPP FOR RESTAURANTEURS</li>
</ul>
</div>
</div>
<div className="legal_center">
<div>
<ul>
<li>Copyright © 2016 BonApp Dining Inc.</li>
<li>Privacy Policy</li>
<li>Legal</li>
</ul>
</div>
</div>
</div>
);
}
});
ReactDOM.render(<Footer />, document.getElementById("footer"));
编辑 2:
react CLI 输出:
"use strict";
var NavBar = React.createClass({
displayName: "NavBar",
render: function render() {
return(
/* NavBar */
React.createElement(
"div",
{ className: "dark_bg_color" },
React.createElement("img", { src: "logo.png" }),
React.createElement(
"div",
{ className: "table_center" },
React.createElement(
"div",
null,
React.createElement(
"ul",
null,
React.createElement(
"li",
null,
"daily specials"
),
React.createElement(
"li",
null,
"gift gallery"
),
React.createElement(
"li",
null,
"events"
),
React.createElement(
"li",
null,
React.createElement("i", { className: "fa fa-search" }),
" search"
)
)
)
),
React.createElement(
"div",
{ className: "right_nav" },
React.createElement(
"div",
{ className: "table_center" },
React.createElement(
"div",
null,
React.createElement(
"button",
{ type: "button" },
"Sign Up"
),
React.createElement(
"button",
{ type: "button" },
"Log In"
),
React.createElement(
"div",
{ className: "vertical-line" },
" "
),
React.createElement(
"button",
{ type: "button" },
"Cart"
)
)
)
)
)
);
}
});
ReactDOM.render(React.createElement(NavBar, null), document.getElementById('nav'));
var Gallery = React.createClass({
displayName: "Gallery",
render: function render() {
return(
/* Gallery */
React.createElement(
"div",
null,
React.createElement(
"div",
{ align: "middle" },
React.createElement(
"div",
{ id: "head" },
React.createElement("img", { id: "pic", align: "middle", "max-width": "100%", src: "title_pic.png" }),
React.createElement(
"div",
{ align: "left", className: "big" },
React.createElement(
"div",
null,
React.createElement(
"span",
null,
"Dine with the Best"
),
React.createElement(
"div",
{ className: "words" },
React.createElement(
"span",
null,
"BonApp connects you with limited-time, exclusive meals and events offered by the city’s best chefs.",
React.createElement("br", null),
React.createElement("br", null),
React.createElement("br", null),
React.createElement(
"button",
{ type: "button" },
"JOIN BONAPP"
)
)
)
)
)
)
)
)
);
}
});
ReactDOM.render(React.createElement(Gallery, null), document.getElementById("Gallery"));
var WhatsNew = React.createClass({
displayName: "WhatsNew",
render: function render() {
return React.createElement(
"div",
{ className: "dark_bg_color" },
React.createElement(
"h2",
{ style: { marginBottom: 30 } },
React.createElement(
"span",
null,
"What's New"
)
),
React.createElement(
"div",
{ className: "autoplay" },
React.createElement("img", { src: "whatsnew0.png" }),
React.createElement("img", { src: "whatsnew1.png" }),
React.createElement("img", { src: "whatsnew0.png" })
)
);
}
});
ReactDOM.render(React.createElement(WhatsNew, null), document.getElementById("whatsnew"));
var BonEvents = React.createClass({
displayName: "BonEvents",
render: function render() {
return(
/* Events */
React.createElement(
"div",
{ id: "events", className: "dark_bg_color" },
React.createElement(
"div",
{ className: "box" },
React.createElement(
"div",
{ className: "box-text" },
React.createElement("div", { className: "horizontal-line" }),
React.createElement(
"div",
null,
React.createElement("div", { className: "horizontal-line" }),
React.createElement(
"p",
null,
"LES BON CADEAUX"
)
),
React.createElement("div", { className: "horizontal-line" })
)
),
React.createElement(
"h2",
null,
React.createElement(
"span",
null,
"Bon Events"
)
),
React.createElement("div", null)
)
);
}
});
ReactDOM.render(React.createElement(BonEvents, null), document.getElementById("events"));
var IOS = React.createClass({
displayName: "IOS",
render: function render() {
/* IOS */
return React.createElement(
"div",
null,
React.createElement(
"h2",
null,
React.createElement("span", null)
)
);
}
});
ReactDOM.render(React.createElement(IOS, null), document.getElementById("advertiseApp"));
var Footer = React.createClass({
displayName: "Footer",
render: function render() {
return(
/* Footer */
React.createElement(
"div",
null,
React.createElement(
"div",
{ className: "footer_center" },
React.createElement(
"div",
null,
React.createElement(
"ul",
null,
React.createElement(
"li",
null,
"ABOUT"
),
React.createElement(
"li",
null,
"PRESS"
),
React.createElement(
"li",
null,
"CONTACT"
),
React.createElement(
"li",
null,
"SUPPORT"
),
React.createElement(
"li",
null,
"BONAPP FOR RESTAURANTEURS"
)
)
)
),
React.createElement(
"div",
{ className: "legal_center" },
React.createElement(
"div",
null,
React.createElement(
"ul",
null,
React.createElement(
"li",
null,
"Copyright © 2016 BonApp Dining Inc."
),
React.createElement(
"li",
null,
"Privacy Policy"
),
React.createElement(
"li",
null,
"Legal"
)
)
)
)
)
);
}
});
ReactDOM.render(React.createElement(Footer, null), document.getElementById("footer"));
最佳答案
为了让客户端的浏览器执行您的 javascript 代码,它必须由客户端的浏览器请求。这意味着将 <script>
在您的 HTML 文档中标记以加载文件,如下所示:
<script src="https://example.com/my-react-code.js"></script>
没有它,您的代码就只是坐在您的服务器上什么都不做。
但首先还有一个步骤:正如@Vijay 在评论中指出的那样,您的代码需要进行转译。这意味着什么?好吧,看看你的代码:它是用 EcmaScript 2015 编写的,这是一种最新的 Javascript 方言,浏览器不支持它。为了确保您的代码适用于大多数浏览器,您需要将其从新方言翻译成浏览器能够执行的内容。这称为转译。 Babel是一个可以做到这一点的包;还有其他人。如果你决定使用 Babel,请查看 setup page其中详细说明了如何在各种不同的环境中使用 Babel。
编辑
如何使用 Babel 来转译你的代码是一个大问题。我将举一个非常的简短示例。
假设您将上面给出的代码保存在一个名为 src/my-react-code.js
的文件中并且您想将其转换为名为 dist/my-react-code.js
的新文件.想象一下你已经在本地安装了 Babel npm install --save-dev babel-cli
.要转译源文件,请执行以下操作:
./node_modules/.bin/babel src -d dist
这将获取您的源文件,对其进行转换(即将其从新的 ES2015 语法转换为旧的 Javascript 语法),并将结果保存在 dist/my-react-code.js
中。 .
但是,仅根据此问答中的信息,这将不起作用。您还需要一些东西:
您的源文件需要使用类似 import React from 'react';
的行导入 React 包在顶部;可能还需要导入其他包。
Babel 可以通过多种不同的方式进行配置。你需要包含一些额外的 Babel 插件。在我的脑海中,我认为你需要做 npm install --save-dev babel-preset-es2015 babel-preset-react babel-preset-stage-0
.这些包告诉 Babel 期望什么样的源代码——在你的例子中,它是嵌入了 React 组件的 ES2015 代码(stage-0 包包括一组包,它们是 ES2015 标准的特定部分)。您还需要创建一个 .babelrc
配置文件包含:
{
"presets": ["es2015", "react", "stage-0"]
}
这会告诉 Babel 使用哪些插件。
Babel 的命令行用法记录在 https://babeljs.io/docs/setup/ .从顶部的按钮选择您的环境 - 我选择了第一个,CLI。
一旦你成功转译,看看原始源代码和最终代码之间的区别 - 你会看到 Babel 添加了很多样板代码,基本上重写了大多数浏览器不可用的功能使用“旧”Javascript。
如前所述,配置 Babel 的方式有很多种。我给出了最简单的,但也是最繁琐的。每次更改源代码时,都需要重新编译它以便服务器将其发送到客户端。有很多工具可以将所有 Javascript 捆绑在一起(browserify、webpack 等)、自动化构建过程(grunt、gulp 等)、测试代码(mocha、jest 等)。您应该花一些时间想象一下您理想的工作流程和环境是什么,看看您是否可以使用这些工具将它们组合在一起。
关于javascript - 如何显示 React JavaScript 文件中的内容,或者更确切地说是要由 React 解释的文件,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/38649564/