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javascript - laravel 回声 : "Uncaught ReferenceError: Echo is not defined"

转载 作者:行者123 更新时间:2023-12-04 15:27:09 29 4
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我正在尝试使用 pusher 来处理 laravel echo,我正在 windows localhost (wamp/laravel 5.8) 上工作

所以我已经安装了所需的库

我的包.json

{
"private": true,
"scripts": {
"dev": "npm run development",
"development": "cross-env NODE_ENV=development node_modules/webpack/bin/webpack.js --progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js",
"watch": "npm run development -- --watch",
"watch-poll": "npm run watch -- --watch-poll",
"hot": "cross-env NODE_ENV=development node_modules/webpack-dev-server/bin/webpack-dev-server.js --inline --hot --config=node_modules/laravel-mix/setup/webpack.config.js",
"prod": "npm run production",
"production": "cross-env NODE_ENV=production node_modules/webpack/bin/webpack.js --no-progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js"
},
"devDependencies": {
"axios": "^0.19",
"bootstrap": "^4.1.0",
"cross-env": "^5.1",
"jquery": "^3.2",
"laravel-echo": "^1.8.0",
"laravel-mix": "^4.0.7",
"lodash": "^4.17.13",
"popper.js": "^1.12",
"pusher-js": "^6.0.3",
"resolve-url-loader": "^2.3.1",
"sass": "^1.15.2",
"sass-loader": "^7.1.0",
"vue": "^2.5.17",
"vue-template-compiler": "^2.6.11"
}
}

资源/js/app.js

require('./bootstrap');

window.Vue = require('vue');

资源/js/bootstrap.js

window._ = require('lodash');
try {
window.Popper = require('popper.js').default;
window.$ = window.jQuery = require('jquery');

require('bootstrap');
} catch (e) {}

window.axios = require('axios');

window.axios.defaults.headers.common['X-Requested-With'] = 'XMLHttpRequest';
import Echo from 'laravel-echo';
window.xxx = 'xxx';
window.Pusher = require('pusher-js');

window.Echo = new Echo({
broadcaster: 'pusher',
key: process.env.MIX_PUSHER_APP_KEY,
cluster: process.env.MIX_PUSHER_APP_CLUSTER,
encrypted: true
});

我跑了

npm run dev

这是结果

enter image description here

在我看来我有

<!DOCTYPE html>
<html lang="{{ str_replace('_', '-', app()->getLocale()) }}">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">

<title>Laravel</title>
<meta name="csrf-token" content="{{ csrf_token() }}">
<script src="{{ asset('js/app.js') }}" defer></script>
<link href="{{ asset('css/app.css') }}" rel="stylesheet">
</head>
<body>

<script>
console.log(Echo);
</script>


</body>
</html>

我一直在努力

Uncaught ReferenceError: Echo is not defined

我什至添加了

window.xxx = 'xxx';

在 bootstrap.js 中查看我是否可以在我的 View 中获取 xxx 变量,但那也是未定义的(顺便说一句,我不确定它是不是这样工作的!!只是尝试一些东西)

有什么想法吗?

我的文件夹结构是这样的

/pusher (root folder)
+app
+vendor
+node_modules
+resources/js
-public
index.php
css/app.css
js/app.js

最佳答案

尝试删除 defer来自 <script ..部分。

关于javascript - laravel 回声 : "Uncaught ReferenceError: Echo is not defined",我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/62028955/

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