dongye9991
2015-12-21 18:31
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为什么我必须在安装我的包后运行Composer转储？

I have created a simple package on packagist for learning (tommytest/tommytest). It installs fine, but I have to run "composer dump-autoload -o" immediately after it is installed. Before manually running the dump-autoload I get this:

Fatal error: Class 'mysqlgridspace\Page' not found in C:\xampp\htdocs\simple\index.php on line 5

After manually running dump-autoload it works fine. Isn't it supposed to handle the autoload set-up automatically when the package is installed?

Here's my composer.json (located in: simple/vendor/tommytest/tommytest/composer.json)

 {
  "name": "tommytest/tommytest",
  "type": "library",
  "description": "Framework agnostic data grid",
  "keywords": ["datagrid","data grid"],
  "homepage": "https://github.com/escalibore/tommytest",
  "license": "MIT",
  "authors": [
    {
      "name": "Tommy Bert",
      "email": "tom@tberthold.com",
      "homepage": "http://tberthold.com",
      "role": "Developer"
    }
  ],
  "require": {
    "php": ">=5.3.0"
  },
  "autoload": {
    "psr-4": {
      "mysqlgridspace\\":"src/"
    }
  }
}

And my class file (located in: simple/vendor/tommytest/tommytest/src/Mysqlgridmain.class.php)

<?php
namespace mysqlgridspace;

class Page {
    public function __construct()
    {
        echo "hello, i am a page.<br>";
    }
}

class Book {
    public function __construct()
    {
    echo "hello, i am a book.<br>";
    }
}

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我在packagist上创建了一个用于学习的简单包（tommytest / tommytest）。 它安装得很好，但我必须在安装后立即运行“ composer dump-autoload -o ”。 在手动运行dump-autoload之前，我得到了这个：

致命错误：在C：\ xampp \ htdocs \ simple \ index.php中找不到类'mysqlgridspace \ Page' 第5行

手动运行dump-autoload后，它可以正常工作。 是不是应该在安装软件包时自动处理自动加载设置？

这是我的composer.json（位于： simple / vendor / tommytest / tommytest / composer.json ） 

  {
“name”：“tommytest / tommytest”，
“type”：“library”，
“description”  ：“框架无关数据网格”，
“关键字”：[“datagrid”，“数据网格”]，
“主页”：“https://github.com/escalibore/tommytest",
”license“  ：“麻省理工学院”，
“作者”：[
 {
“name”：“Tommy Bert”，
“email”：“tom@tberthold.com”，
“主页”：“http：/  /tberthold.com",n“角色”：“开发人员”
} 
 
，
“要求”：{
“php”：“＆gt; = 5.3.0”
}，
“  autoload“：{
”psr-4“：{
”mysqlgridspace \\“：”src /“
} 
} 
} 
   
 
 
我的班级文件（位于： simple / vendor / tommytest / tommytest / src / Mysqlgridmain.class.php ） 
 
 
 ＆lt;？php  
namespace mysqlgridspace; 
 
class Page {
 public function __construct（）
 {
  echo“你好，我是一个页面。＆lt; br＆gt;”; 
} 
} 
 
class Book {
 public function __construct（）
 {
 echo“hello，我是一本书。＆lt;  br＆gt;“; 
} 
}
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2条回答 默认 最新

  • dongyixun0634 2015-12-25 15:07
    最佳回答

    Those classes cannot be autoloaded with Composer's PSR-4 autoloader because it resolves the class name mysqlgridspace\Page to a file named Page.php, which should exist in src - it doesn't, though.

    First of all, there should only be one class declared in each file.

    You should have

    src/
    Book.php
    Page.php

    each declaring one class only.

    Then your PSR-4 autoloading should work.

    For reference, see http://www.php-fig.org/psr/psr-4/.

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