thinkphp 使每个模板页都包含一个header文件跟一个footer文件
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thinkphp 使每个模板页都包含一个header文件跟一个footer文件
在开发的过程中，经常遇到要使每个模板页都包含一个header文件和一个footer文件，thinkPHP的模板布局为我们提供了一个叫全局配置方式能够解决这个问题。
1. 在配置文件中开启LAYOUT_ON 参数（默认不开启），并且设置布局入口文件名LAYOUT_NAME（默认为layout）
'LAYOUT_ON'=>true, 'LAYOUT_NAME'=>'layout',
2. 在模板目录下建立一个layout.html文件，文件内代码如下：
<include file="Public:header"></include> {__CONTENT__} <include file="Public:footer"></include>{__CONTENT__} 为特定字替换符串，如果模板为User/add.html，thinkPHP先读取layout模板之后，会再解析User/add.html 模板文件，并把解析后的内容替换到layout布局模板文件的{__CONTENT__} 特定字符串。
3.
'TMPL_LAYOUT_ITEM' => '{__REPLACE__}' //通过设置来改变这个特定的替换字符串'LAYOUT_NAME'=>'Layout/layoutname', //指定其他位置的布局模板
更加详细的介绍：http://www.thinkphp.cn/info/183.html
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