如何在codeigniter中创建链接？ [英] How to create links in codeigniter?

问题描述

对不起我不会说好英语，使用翻译。
如何在codeigniter中创建链接？

如果我想使用固定链接，该怎么办？

每次更改固定链接时，我都必须更改整个系统代码。

有没有库从这些参数制造链接，并且动态配置？

例如，如果我要更改系统目录：

  http：//testing/webapp/index.php 
  

到：

  http：//production/index.php 
  

我需要更改所有代码吗？
这是最好的做法？

解决方案

您可以使用codeingiter的方法base_url（）和site_url（）。

首先，您需要在控制器中加载网址助手：

  $ this-> load-> help（'url'）; 
  

请参阅下面的定义（根据CI文档， http://ellislab.com/codeigniter/user-guide/helpers/url_helper.html ）

---

site_url（）

返回您的配置文件中指定的网站网址。 index.php
文件（或者您在config
文件中设置为您的网站index_page的任何内容）都将添加到URL中，将任何URI段传递给
函数，以及您的配置文件中设置的url_suffix。

您可以随时使用此函数生成
a本地网址，在您的
网址更改的情况下可移植。

段可以选择作为字符串或
数组传递到函数。这里是一个字符串示例：

echo site_url（news / local / 123）;上面的例子将返回
，例如：

  http://example.com/index.php/news/ local / 123 
  

这是一个作为数组传递的段的示例：

  $ segments = array（'news'，'local'，'123'）; 
 
 echo site_url（$ segments）; 
  

---

base_url（）

返回您的配置文件中指定的网站基址。示例：

  echo base_url（）; 
 

此函数返回与site_url相同的内容，不附加
index_page或url_suffix。

也像site_url一样，您可以以字符串或数组形式提供细分。
这里是一个字符串示例：

  echo base_url（blog / post / 123）;上面的例子将返回如下：
 
 
 pre>  http://example.com/blog/post/123 
  

这很有用，因为与site_url（）不同，您可以向
文件（例如图像或样式表）提供字符串。例如：

  echo base_url（/ _ user_guide_src_ci / images / icons / edit.png）; 
  

这会给你一些东西：

  http://example.com/images/icons/edit.png 
  




sorry I do not speak good English, use translator. How can I create links in codeigniter?

What if I want to use permalinks after?

I would have to change the whole system code every time you make a change in permalinks?

Is there a library that manufactures the links from these arguments and behave as configured dynamically?

For example if I want to change the system directory from:

http://testing/webapp/index.php

to:

http://production/index.php

Do I need to change all the code? What is the best practice for this?

解决方案

You can use codeingiter's methods base_url() and site_url().

At first, you need to load the URL helper in your controller:

$this->load->helper('url');

See their definitions below (According to CI documentation, http://ellislab.com/codeigniter/user-guide/helpers/url_helper.html)

---

site_url()

Returns your site URL, as specified in your config file. The index.php file (or whatever you have set as your site index_page in your config file) will be added to the URL, as will any URI segments you pass to the function, and the url_suffix as set in your config file.

You are encouraged to use this function any time you need to generate a local URL so that your pages become more portable in the event your URL changes.

Segments can be optionally passed to the function as a string or an array. Here is a string example:

echo site_url("news/local/123"); The above example would return something like:

http://example.com/index.php/news/local/123

Here is an example of segments passed as an array:

$segments = array('news', 'local', '123');

echo site_url($segments);

---

base_url()

Returns your site base URL, as specified in your config file. Example:

echo base_url();

This function returns the same thing as site_url, without the index_page or url_suffix being appended.

Also like site_url, you can supply segments as a string or an array. Here is a string example:

echo base_url("blog/post/123");

The above example would return something like:

http://example.com/blog/post/123

This is useful because unlike site_url(), you can supply a string to a file, such as an image or stylesheet. For example:

echo base_url("/_user_guide_src_ci/images/icons/edit.png");

This would give you something like:

http://example.com/images/icons/edit.png

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