php apache

本文提供了一步一步指导如何在Windows系统中安装PHP5.4和Apache2.4,包括下载、配置、安装过程及环境变量设置,确保能够顺利运行应用程序。

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http://www.devraju.com/php/installing-php-5-4-with-apache-2-4-in-32-bit-of-windows/




nstalling AMP (Apache, MySQL and PHP) have become quite easier with single wizard based installations available as a packet these days. Like using XAMPP, WAMP you can just install them and use. But with these setups, you will have (or will not have) less knowledge about configuring them each in your own way because they will present some user interface where you can directly do configurations by one click. You will not know what exactly required for changing something in Apache, PHP or MySQL. So to have knowledge on configurations on them according to your requirement, you have to install each applications individually. I always recommend to do that and configure them for your purpose.

The installation and configurations of PHP, Apache and MySQL in Windows has also become quite easier these days because they provide some default configurations. As PHP, after its latest releases i.e.5.4, does not provide the downloads of VC6 version (the PHP compiled with Visual C++ 2006 compiler) these days because it is believed that the performance of the PHP compiled with VC9 (compiled with Visual C++ 2008 or later) has improved quite a lot than the compiled with VC6. So to work with the latest VC9 version of PHP, you must have installed PHP with VC9 compiled Apache as well or you use IIS as web server. VC9 compiled Apache is provided by Apache Lounge (apachelounge.com) not the original Apache (apache.org). Since I haven’t worked yet with IIS and always work with Apache in anyway, I don’t have knowledge about the IIS & PHP. Here I am going to explain few steps on how to install PHP 5.4 and Apache 2.4 in Windows.

Requirement

To run the applications compiled with VC8 or VC10, it is required to install the respective (or latest one is always better) Visual C++ redistributable packages. You can download the package from Microsoft’s official site for free.

Note: If you have any Visual Studio installed in your PC then you don’t have to install them separately.

Where to install?

Since I have not used any installers for both PHP and Apache, I will be downloading the pre compiled zipped packages and install them in my D drive. The folder structure will look like below:

  • d:/etc/apache                                   – Apache installation
  • d:/etc/php                                          – PHP installation
  • d:/etc/mysql                                      – MySQL installation
  • d:/etc/mysql/databases               – MySQL data folder
  • d:/etc/www                                       – document root folder

Note: You can change the drive and path for the installations in your own way.

Download

  1. Download the latest Apache 2.4.1 (as of writing this) from http://www.apachelounge.com/download/ (direct link for the current version – http://www.apachelounge.com/download/win32/bins/httpd-2.4.1-win32.zip) and unzip it in d:/etc/apache
  2. Download latest version 5.4 from http://windows.php.net/download and unzip it in d:/etc/php. While downloading PHP, choose the Thread Safe version for windows.
  3. Download the PHP and Apache connector DLL file from http://www.apachelounge.com/download/ (direct link: http://www.apachelounge.com/download/win32/mods-2.4/php5apache2_4.dll-php-5.4-win32.zip) and extract the file php5apache2_4.dll and copy it to d:/etc/php.

Configurations

Though the configurations may vary from individual’s requirement but here I will be discussing for some basic configurations in PHP and Apache.

Apache
  1. Open the file d:/etc/apache/conf/httpd.conf in any text editor (I use my lovely Notepad++) then find and make the following changes/configurations as per your installation path.
  2. Set the server root
    ServerRoot "D:/etc/apache"
    
  3. Enable required Apache modules. I just uncomment one more for mod_rewrite module.
  4. Add the following lines somewhere (I did just below the module enabling)
    LoadModule php5_module "d:/etc/php/php5apache2_4.dll"
    AddHandler application/x-httpd-php .php
    PHPIniDir "d:/etc/php"
    
  5. Change server admin email address
    ServerAdmin info@yoursite.com
    
  6. Change the document root:
    DocumentRoot "d:/etc/www"
    
  7. If you want to allow .htaccess to be used under document root do the following under
    AllowOverride All
    
  8. Find the follwoing and replace the path:
    ScriptAlias /cgi-bin/ "d:/etc/apache/cgi-bin/"
    
  9. Add index.php in directory index
    DirectoryIndex index.html index.php
    
PHP
  1. Rename php.ini-development to php.ini
  2. Find extension directory setting and set the path as per your installation.
    extension_dir = "d:\etc\php\ext"
    
  3. Uncomment (remove the simicolon ; from the beginning of the line) the extensions that you want to enable them. i.e.
    extension=php_curl.dll
    extension=php_mysql.dll
    extension=php_mysqli.dll
    extension=php_pdo_mysql.dll
    extension=php_soap.dll
    
  4. If you want to test email sending from the PHP in local system, then you need to set the SMTP. i.e.
    SMTP = smtp.yoursite.com
    smtp_port = 25
    sendmail_from = youremail@sender.com
    

Rest of the changes/configurations are totally depends on requirement project wise.

Set Environment Variables for PHP (Windows 7)

To be available PHP globally in Windows, the path of the PHP has to be set.

  1. Right click on Computer and click Properties
  2. Click on Advanced system settings on the left side (top).
  3. Click on the Environment variables
  4. Under System variables, double click the Path variable name and add ;d:\etc\php without double quotes at the end where semicolon (;) is the separator.
  5. Click OK to save. Sometimes you may need to restart the computer this to take it into effect.

Install Apache as Service

Since we have just copied the files in a folder, the Apache is not yet not a windows service. To install it as a service follow the steps.

  1. Run the command line (cmd.exe) As Administrator. Browse the folder c:\Windows\System32\ and right click on cmd.exe and select Run as Administrator.
  2. Change directory to d:\etc\apache\binin the command line
    cd d:\etc\apache\bin
    
  3. Run the command to install it
    httpd -k install (or sometimes httpd.exe -k install if that does not work)
    

Now restart the computer and test both PHP and Apache. To test both together create a PHP file phpinfo.php in d:\etc\www. Now browse in the browser as http://localhost/phpinfo.php.

If you can see the PHP information then now you are done !


<think>我们正在寻找替代大量使用` `来实现文本对齐的优雅方法。根据引用[1][2][3]的内容,过度使用` `可能导致布局问题,尤其是在响应式设计中。引用[4]提到了使用Flexbox布局的`align-content`属性,但这里我们更关注水平对齐问题。 优雅的替代方案: 1. 使用CSS的Flexbox布局:可以轻松实现元素的对齐,无需使用` `。 2. 使用CSS Grid布局:同样可以精确控制元素位置。 3. 使用text-align属性:对于文本对齐,使用text-align更合适。 4. 使用margin和padding:通过调整间距实现对齐。 5. 使用伪元素:在某些情况下,可以用伪元素来添加间隔。 具体到问题中的代码,原代码中使用了多个` `来分隔指令ID、类型和按钮。我们可以通过CSS布局来重构,避免使用` `。 重构步骤: 1. 将指令信息(ID和类型)和操作按钮(暂停、删除)分别放入两个容器中。 2. 使用Flexbox布局,让这两个容器分别占据左右两侧。 3. 在左侧信息容器内,也可以使用Flex布局来设置ID和类型的间距。 代码示例: 原代码结构(简化): ```html <div class="instruction-info"> <span class="cmd-id"> {{ cmd.id }}</span>         <span class="cmd-type">{{ cmd.type }}</span>        <el-button ...>暂停</el-button> <el-button ...>删除</el-button> </div> ``` 重构后: ```html <div class="instruction-info"> <div class="info-left"> <span class="cmd-id">{{ cmd.id }}</span> <span class="cmd-type">{{ cmd.type }}</span> </div> <div class="info-right"> <el-button ...>暂停</el-button> <el-button ...>删除</el-button> </div> </div> ``` 样式: ```css .instruction-info { display: flex; justify-content: space-between; /* 左右两侧分开 */ align-items: center; /* 垂直居中 */ } .info-left { display: flex; gap: 20px; /* 使用gap属性设置子元素之间的间距 */ } .info-right { display: flex; gap: 10px; /* 按钮之间的间距 */ } ``` 这样,我们完全移除了` `,使用Flex布局的gap属性(或者margin)来控制间距,更加清晰和易于维护。 另外,根据引用[3]提到的,在表格对齐等场景中,如果确实需要空格,可以考虑使用` `作为占位,但布局场景中应优先使用CSS。 总结:使用CSS布局技术(Flexbox或Grid)替代` `进行对齐是更优雅、更可维护的方式。 相关问题: 1. 在响应式设计中,如何调整Flexbox布局以适应不同屏幕尺寸? 2. 除了Flexbox,CSS Grid在实现复杂布局时有哪些优势? 3. 如何解决Flexbox布局中的浏览器兼容性问题? 4. 在文本排版中,如何实现首行缩进、段落间距等效果而不使用` `或` `?</think># 优雅的文本对齐方案:替代大量 的CSS布局方法 在HTML中使用大量` `来实现对齐不仅代码臃肿,还会导致维护困难和响应式问题。下面我将介绍几种更优雅的CSS替代方案。 ## 问题分析 使用` `的常见问题: - 代码可读性差,难以维护 - 无法适应不同屏幕尺寸 - 间距控制不精确 - 不利于响应式设计 ## 优雅的CSS替代方案 ### 1. Flexbox布局(推荐) ```html <div class="flex-container"> <div class="label">指令ID:</div> <div class="value">CMD-2023-001</div> <div class="label">类型:</div> <div class="value">类型A</div> <div class="actions"> <button>暂停</button> <button>删除</button> </div> </div> <style> .flex-container { display: flex; align-items: center; /* 垂直居中 */ gap: 15px; /* 元素间距 */ } .label { font-weight: bold; min-width: 70px; /* 固定标签宽度 */ } .actions { margin-left: auto; /* 自动将按钮推到右侧 */ display: flex; gap: 10px; } </style> ``` ### 2. Grid布局(复杂布局首选) ```html <div class="grid-container"> <div class="label">指令ID:</div> <div class="value">CMD-2023-001</div> <div class="label">类型:</div> <div class="value">类型A</div> <div class="actions"> <button>暂停</button> <button>删除</button> </div> </div> <style> .grid-container { display: grid; grid-template-columns: auto 1fr auto 1fr auto; /* 5列布局 */ align-items: center; gap: 15px; } .actions { grid-column: 5; /* 将按钮放在最后一列 */ display: flex; justify-content: flex-end; /* 右对齐 */ gap: 10px; } </style> ``` ### 3. 伪元素实现等宽间距 ```html <div class="spaced-container"> <span>指令ID: CMD-2023-001</span> <span>类型: 类型A</span> <div class="actions"> <button>暂停</button> <button>删除</button> </div> </div> <style> .spaced-container { display: flex; } .spaced-container > span:not(:last-child)::after { content: ""; display: inline-block; width: 30px; /* 自定义间距 */ } </style> ``` ### 4. 文本对齐与间距控制 ```css /* 替代   的文本对齐方案 */ .text-align-center { text-align: center; } .text-align-right { text-align: right; } /* 替代   的间距控制 */ .spacing-small { margin-right: 8px; } .spacing-medium { margin-right: 16px; } .spacing-large { margin-right: 24px; } ``` ## 实际应用示例 ```html <div class="command-card"> <div class="command-header"> <h3>任务标题</h3> </div> <div class="command-grid"> <div class="command-info"> <span class="label">指令ID:</span> <span class="value">CMD-2023-001</span> </div> <div class="command-info"> <span class="label">类型:</span> <span class="value">类型A</span> </div> <div class="command-actions"> <button class="btn-warning">暂停</button> <button class="btn-danger">删除</button> </div> </div> </div> <style> .command-card { border: 1px solid #e0e0e0; border-radius: 8px; padding: 20px; margin-bottom: 20px; box-shadow: 0 2px 8px rgba(0,0,0,0.1); } .command-header { margin-bottom: 15px; padding-bottom: 10px; border-bottom: 1px solid #eee; } .command-grid { display: grid; grid-template-columns: 1fr 1fr auto; gap: 15px; align-items: center; } .command-info { display: flex; gap: 10px; } .label { font-weight: bold; min-width: 60px; } .command-actions { display: flex; justify-content: flex-end; gap: 10px; } .btn-warning { background: #ffc107; border: none; padding: 6px 12px; border-radius: 4px; cursor: pointer; } .btn-danger { background: #dc3545; color: white; border: none; padding: 6px 12px; border-radius: 4px; cursor: pointer; } </style> ``` ## 最佳实践建议 1. **优先使用Flexbox/Grid布局**:现代CSS布局技术提供了更强大的对齐能力[^4] 2. **使用gap属性控制间距**:替代` `创建元素间距 3. **利用margin/padding进行微调**:精确控制元素间距 4. **避免使用固定宽度**:使用min-width/max-width实现响应式设计 5. **使用CSS变量统一间距**: ```css :root { --spacing-sm: 8px; --spacing-md: 16px; --spacing-lg: 24px; } .element { margin-right: var(--spacing-md); } ``` 6. **在必须使用空格时**:考虑使用` `(1/6em)或` `(1/2em)替代` `[^2][^3] 通过这些CSS技术,您可以完全避免使用` `进行布局控制,创建更干净、更可维护且响应式的设计。
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