在 Laravel-4 中加载外部库
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Loading external library in Laravel-4
提问by Patrick Reck
I am trying to load the Simple HTML DOM Parserin my Laravel-4project. However, I can't get it to find the class. I am getting this error:
我正在尝试在我的项目中加载Simple HTML DOM ParserLaravel-4。但是，我无法找到课程。我收到此错误：
Class 'Libraries\SimpleHtmlDom\simple_html_dom_node' not found
I've put simple_html_dom.phpin app\librariesand
我已经把simple_html_dom.php在app\libraries和
namespace Libraries\SimpleHtmlDom;
in the top of simple_html_dom.php.
在simple_html_dom.php.
In global.phpI've added the librariesfolder:
在global.php我添加了libraries文件夹：
ClassLoader::addDirectories(array(
app_path().'/commands',
app_path().'/controllers',
app_path().'/models',
app_path().'/database/seeds',
app_path().'/libraries',
));
And finally, in my controller, I am trying to instantiate it:
最后，在我的控制器中，我试图实例化它：
$parser = new Libraries\SimpleHtmlDom\simple_html_dom_node;
What am I doing wrong?
我究竟做错了什么？
回答by fideloper
Specific to your use case
特定于您的用例
To (hopefully) solve your problem without changing your current structure, you may just need to run:
要（希望）在不更改当前结构的情况下解决您的问题，您可能只需要运行：
$ composer dump-autoload
Or you may need to add an autoloaded section in composer.jsonalong with the others:
或者您可能需要composer.json与其他部分一起添加一个自动加载的部分：
"autoload": {
"classmap": [
"app/commands",
"app/controllers",
"app/models",
"app/database/migrations",
"app/database/seeds",
"app/tests/TestCase.php",
"app/libraries"
]
},
And then run composer dump-autoloadagain.
然后composer dump-autoload再次运行。
Packagist (better?) Solution
Packagist（更好？）解决方案
It looks like there's a Composer package you could be using instead: https://packagist.org/packages/sunra/php-simple-html-dom-parser
看起来您可以使用 Composer 包：https: //packagist.org/packages/sunra/php-simple-html-dom-parser
This makes adding it to your project easier:
这使它更容易添加到您的项目中：
A.Add dependency to composer.json(either via this CLI call or by adding manually to your composer.json file):
A.添加依赖项composer.json（通过此 CLI 调用或手动添加到您的 composer.json 文件）：
# Run this command:
$ composer require "sunra/php-simple-html-dom-parser": "1.5.0.*@dev"
B.Use new packagein your code
B.在你的代码中使用新的包
$dom = HtmlDomParser::file_get_html( $file_name );
